diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ecosboard.c | 4810 | ||||
| -rw-r--r-- | src/flash/at91sam7.c | 2048 | ||||
| -rw-r--r-- | src/flash/at91sam7.h | 145 | ||||
| -rw-r--r-- | src/flash/at91sam7_old.c | 1908 | ||||
| -rw-r--r-- | src/flash/at91sam7_old.h | 196 | ||||
| -rw-r--r-- | src/flash/flash.c | 32 | ||||
| -rw-r--r-- | src/flash/flash.h | 16 | ||||
| -rw-r--r-- | src/jtag/zy1000.c | 1478 | ||||
| -rw-r--r-- | src/target/cortex_m3.c | 60 |
9 files changed, 5341 insertions, 5352 deletions
diff --git a/src/ecosboard.c b/src/ecosboard.c index d1119003..182fc5c5 100644 --- a/src/ecosboard.c +++ b/src/ecosboard.c @@ -1,2405 +1,2405 @@ -/***************************************************************************
- * Copyright (C) 2007-2008 by Øyvind Harboe *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "log.h"
-#include "types.h"
-#include "jtag.h"
-#include "configuration.h"
-#include "xsvf.h"
-#include "target.h"
-#include "flash.h"
-#include "nand.h"
-#include "pld.h"
-
-#include "command.h"
-#include "server.h"
-#include "telnet_server.h"
-#include "gdb_server.h"
-
-#include <time_support.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <strings.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include <cyg/io/flash.h>
-#include <pkgconf/fs_jffs2.h> // Address of JFFS2
-#include <network.h>
-
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <cyg/fileio/fileio.h>
-#include <dirent.h>
-#include <cyg/athttpd/http.h>
-#include <cyg/athttpd/socket.h>
-#include <cyg/athttpd/handler.h>
-#include <cyg/athttpd/cgi.h>
-#include <cyg/athttpd/forms.h>
-#include <cyg/hal/hal_diag.h>
-#include <cyg/kernel/kapi.h>
-#include <cyg/io/serialio.h>
-#include <cyg/io/io.h>
-#include <netinet/tcp.h>
-#include "rom.h"
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <net/if.h>
-#include <arpa/inet.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netdb.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <arpa/inet.h>
-#include <stdio.h>
-#include <ifaddrs.h>
-#include <string.h>
-
-#include <unistd.h>
-#include <stdio.h>
-#define MAX_IFS 64
-#if defined(CYGPKG_NET_FREEBSD_STACK)
-#include <tftp_support.h>
-/* posix compatibility broken*/
-struct tftpd_fileops fileops =
-{
- (int (*)(const char *, int))open,
- close,
- (int (*)(int, const void *, int))write,
- ( int (*)(int, void *, int))read
-};
-
-#endif
-
-#define ZYLIN_VERSION "1.43"
-#define ZYLIN_DATE __DATE__
-#define ZYLIN_TIME __TIME__
-/* hmmm.... we can't pick up the right # during build if we've checked this out
- * in Eclipse... arrggghh...*/
-#define ZYLIN_OPENOCD 1005
-#define ZYLIN_OPENOCD_VERSION "Zylin JTAG ZY1000 " ZYLIN_VERSION " " ZYLIN_DATE " " ZYLIN_TIME
-#define ZYLIN_CONFIG_DIR "/config/settings"
-
-void diag_write(char *buf, int len)
-{
- int j;
- for (j = 0; j < len; j++)
- {
- diag_printf("%c", buf[j]);
- }
-}
-
-static bool serialLog = true;
-static bool writeLog = true;
-
-
-struct FastLoad
-{
- u32 address;
- u8 *data;
- int length;
-
-};
-
-static int fastload_num;
-static struct FastLoad *fastload;
-
-static void free_fastload()
-{
- if (fastload!=NULL)
- {
- int i;
- for (i=0; i<fastload_num; i++)
- {
- if (fastload[i].data)
- free(fastload[i].data);
- }
- free(fastload);
- fastload=NULL;
- }
-}
-
-
-int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- u8 *buffer;
- u32 buf_cnt;
- u32 image_size;
- u32 min_address=0;
- u32 max_address=0xffffffff;
- int i;
- int retval;
-
- image_t image;
-
- duration_t duration;
- char *duration_text;
-
- if ((argc < 1)||(argc > 5))
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
- if (argc >= 2)
- {
- image.base_address_set = 1;
- image.base_address = strtoul(args[1], NULL, 0);
- }
- else
- {
- image.base_address_set = 0;
- }
-
-
- image.start_address_set = 0;
-
- if (argc>=4)
- {
- min_address=strtoul(args[3], NULL, 0);
- }
- if (argc>=5)
- {
- max_address=strtoul(args[4], NULL, 0)+min_address;
- }
-
- if (min_address>max_address)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- duration_start_measure(&duration);
-
- if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
- {
- return ERROR_OK;
- }
-
- image_size = 0x0;
- retval = ERROR_OK;
- fastload_num=image.num_sections;
- fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
- if (fastload==NULL)
- {
- image_close(&image);
- return ERROR_FAIL;
- }
- memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
- for (i = 0; i < image.num_sections; i++)
- {
- buffer = malloc(image.sections[i].size);
- if (buffer == NULL)
- {
- command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
- break;
- }
-
- if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
- {
- free(buffer);
- break;
- }
-
- u32 offset=0;
- u32 length=buf_cnt;
-
-
- /* DANGER!!! beware of unsigned comparision here!!! */
-
- if ((image.sections[i].base_address+buf_cnt>=min_address)&&
- (image.sections[i].base_address<max_address))
- {
- if (image.sections[i].base_address<min_address)
- {
- /* clip addresses below */
- offset+=min_address-image.sections[i].base_address;
- length-=offset;
- }
-
- if (image.sections[i].base_address+buf_cnt>max_address)
- {
- length-=(image.sections[i].base_address+buf_cnt)-max_address;
- }
-
- fastload[i].address=image.sections[i].base_address+offset;
- fastload[i].data=malloc(length);
- if (fastload[i].data==NULL)
- {
- free(buffer);
- break;
- }
- memcpy(fastload[i].data, buffer+offset, length);
- fastload[i].length=length;
-
- image_size += length;
- command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
- }
-
- free(buffer);
- }
-
- duration_stop_measure(&duration, &duration_text);
- if (retval==ERROR_OK)
- {
- command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
- }
- free(duration_text);
-
- image_close(&image);
-
- if (retval!=ERROR_OK)
- {
- free_fastload();
- }
-
- return retval;
-}
-
-int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc>0)
- return ERROR_COMMAND_SYNTAX_ERROR;
- if (fastload==NULL)
- {
- LOG_ERROR("No image in memory");
- return ERROR_FAIL;
- }
- int i;
- int ms=timeval_ms();
- int size=0;
- for (i=0; i<fastload_num;i++)
- {
- int retval;
- target_t *target = get_current_target(cmd_ctx);
- if ((retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data)) != ERROR_OK)
- {
- return retval;
- }
- size+=fastload[i].length;
- }
- int after=timeval_ms();
- command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
- return ERROR_OK;
-}
-
-
-/* Give TELNET a way to find out what version this is */
-int handle_zy1000_version_command(struct command_context_s *cmd_ctx, char *cmd,
- char **args, int argc)
-{
- if (argc > 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
- if (argc == 0)
- {
- command_print(cmd_ctx, ZYLIN_OPENOCD_VERSION);
- } else if (strcmp("openocd", args[0])==0)
- {
- command_print(cmd_ctx, "%d", ZYLIN_OPENOCD);
- } else if (strcmp("zy1000", args[0])==0)
- {
- command_print(cmd_ctx, "%s", ZYLIN_VERSION);
- } else if (strcmp("date", args[0])==0)
- {
- command_print(cmd_ctx, "%s", ZYLIN_DATE);
- } else
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- return ERROR_OK;
-}
-
-extern flash_driver_t *flash_drivers[];
-extern target_type_t *target_types[];
-
-#ifdef CYGPKG_PROFILE_GPROF
-#include <cyg/profile/profile.h>
-
-extern char _stext, _etext; // Defined by the linker
-
-void start_profile(void)
-{
- // This starts up the system-wide profiling, gathering
- // profile information on all of the code, with a 16 byte
- // "bucket" size, at a rate of 100us/profile hit.
- // Note: a bucket size of 16 will give pretty good function
- // resolution. Much smaller and the buffer becomes
- // much too large for very little gain.
- // Note: a timer period of 100us is also a reasonable
- // compromise. Any smaller and the overhead of
- // handling the timter (profile) interrupt could
- // swamp the system. A fast processor might get
- // by with a smaller value, but a slow one could
- // even be swamped by this value. If the value is
- // too large, the usefulness of the profile is reduced.
-
- // no more interrupts than 1/10ms.
- // profile_on(&_stext, &_etext, 16, 10000); // DRAM
- //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
- profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
-}
-#endif
-
-// launch GDB server if a config file exists
-bool zylinjtag_parse_config_file(struct command_context_s *cmd_ctx, const char *config_file_name)
-{
- bool foundFile = false;
- FILE *config_file = NULL;
- command_print(cmd_ctx, "executing config file %s", config_file_name);
- config_file = fopen(config_file_name, "r");
- if (config_file)
- {
- fclose(config_file);
- int retval;
- retval = command_run_linef(cmd_ctx, "script %s", config_file_name);
- if (retval == ERROR_OK)
- {
- foundFile = true;
- }
- else
- {
- command_print(cmd_ctx, "Failed executing %s %d", config_file_name, retval);
- }
- }
- else
- {
- command_print(cmd_ctx, "No %s found", config_file_name);
- }
-
- return foundFile;
-}
-
-extern int eth0_up;
-static FILE *log;
-
-static char reboot_stack[2048];
-
-
-static void
-zylinjtag_reboot(cyg_addrword_t data)
-{
- serialLog = true;
- diag_printf("Rebooting in 100 ticks..\n");
- cyg_thread_delay(100);
- diag_printf("Unmounting /config..\n");
- umount("/config");
- diag_printf("Rebooting..\n");
- HAL_PLATFORM_RESET();
-}
-static cyg_thread zylinjtag_thread_object;
-static cyg_handle_t zylinjtag_thread_handle;
-
-void reboot(void)
-{
- cyg_thread_create(1,
- zylinjtag_reboot,
- (cyg_addrword_t)0,
- "reboot Thread",
- (void *)reboot_stack,
- sizeof(reboot_stack),
- &zylinjtag_thread_handle,
- &zylinjtag_thread_object);
- cyg_thread_resume(zylinjtag_thread_handle);
-}
-
-int configuration_output_handler(struct command_context_s *context, const char* line)
-{
- diag_printf("%s", line);
-
- return ERROR_OK;
-}
-
-int zy1000_configuration_output_handler_log(struct command_context_s *context, const char* line)
-{
- LOG_USER_N("%s", line);
-
- return ERROR_OK;
-}
-
-int handle_rm_command(struct command_context_s *cmd_ctx, char *cmd,
- char **args, int argc)
-{
- if (argc != 1)
- {
- command_print(cmd_ctx, "rm <filename>");
- return ERROR_INVALID_ARGUMENTS;
- }
-
- if (unlink(args[0]) != 0)
- {
- command_print(cmd_ctx, "failed: %d", errno);
- }
-
- return ERROR_OK;
-}
-
-int loadFile(const char *fileName, void **data, int *len);
-
-int handle_cat_command(struct command_context_s *cmd_ctx, char *cmd,
- char **args, int argc)
-{
- if (argc != 1)
- {
- command_print(cmd_ctx, "cat <filename>");
- return ERROR_INVALID_ARGUMENTS;
- }
-
- // NOTE!!! we only have line printing capability so we print the entire file as a single line.
- void *data;
- int len;
-
- int retval = loadFile(args[0], &data, &len);
- if (retval == ERROR_OK)
- {
- command_print(cmd_ctx, "%s", data);
- free(data);
- }
- else
- {
- command_print(cmd_ctx, "%s not found %d", args[0], retval);
- }
-
- return ERROR_OK;
-}
-int handle_trunc_command(struct command_context_s *cmd_ctx, char *cmd,
- char **args, int argc)
-{
- if (argc != 1)
- {
- command_print(cmd_ctx, "trunc <filename>");
- return ERROR_INVALID_ARGUMENTS;
- }
-
- FILE *config_file = NULL;
- config_file = fopen(args[0], "w");
- if (config_file != NULL)
- fclose(config_file);
-
- return ERROR_OK;
-}
-
-
-int handle_meminfo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- static int prev = 0;
- struct mallinfo info;
-
- if (argc != 0)
- {
- command_print(cmd_ctx, "meminfo");
- return ERROR_INVALID_ARGUMENTS;
- }
-
- info = mallinfo();
-
- if (prev > 0)
- {
- command_print(cmd_ctx, "Diff: %d", prev - info.fordblks);
- }
- prev = info.fordblks;
-
- command_print(cmd_ctx, "Available ram: %d", info.fordblks );
-
- return ERROR_OK;
-}
-
-static bool savePower;
-
-static void setPower(bool power)
-{
- savePower = power;
- if (power)
- {
- HAL_WRITE_UINT32(0x08000014, 0x8);
- } else
- {
- HAL_WRITE_UINT32(0x08000010, 0x8);
- }
-}
-
-int handle_power_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc > 1)
- {
- return ERROR_INVALID_ARGUMENTS;
- }
-
- if (argc == 1)
- {
- if (strcmp(args[0], "on") == 0)
- {
- setPower(1);
- }
- else if (strcmp(args[0], "off") == 0)
- {
- setPower(0);
- } else
- {
- command_print(cmd_ctx, "arg is \"on\" or \"off\"");
- return ERROR_INVALID_ARGUMENTS;
- }
- }
-
- command_print(cmd_ctx, "Target power %s", savePower ? "on" : "off");
-
- return ERROR_OK;
-}
-
-int handle_append_command(struct command_context_s *cmd_ctx, char *cmd,
- char **args, int argc)
-{
- if (argc < 1)
- {
- command_print(cmd_ctx,
- "append <filename> [<string1>, [<string2>, ...]]");
- return ERROR_INVALID_ARGUMENTS;
- }
-
- FILE *config_file = NULL;
- config_file = fopen(args[0], "a");
- if (config_file != NULL)
- {
- int i;
- fseek(config_file, 0, SEEK_END);
-
- for (i = 1; i < argc; i++)
- {
- fwrite(args[i], strlen(args[i]), 1, config_file);
- if (i != argc - 1)
- {
- fwrite(" ", 1, 1, config_file);
- }
- }
- fwrite("\n", 1, 1, config_file);
- fclose(config_file);
- }
-
- return ERROR_OK;
-}
-
-extern int telnet_socket;
-
-int readMore(int fd, void *data, int length)
-{
- /* used in select() */
- fd_set read_fds;
-
- /* monitor sockets for acitvity */
- int fd_max = 1;
- FD_ZERO(&read_fds);
- /* listen for new connections */
- FD_SET(fd, &read_fds);
-
- // Maximum 5 seconds.
- struct timeval tv;
- tv.tv_sec = 5;
- tv.tv_usec = 0;
-
- int retval = select(fd_max + 1, &read_fds, NULL, NULL, &tv);
- if (retval == 0)
- {
- diag_printf("Timed out waiting for binary payload\n");
- return -1;
- }
- if (retval != 1)
- return -1;
-
- return read_socket(fd, data, length);
-}
-
-int readAll(int fd, void *data, int length)
-{
- int pos = 0;
- for (;;)
- {
- int actual = readMore(fd, ((char *) data) + pos, length - pos);
- // diag_printf("Read %d bytes(pos=%d, length=%d)\n", actual, pos, length);
- if (actual <= 0)
- return -1;
- pos += actual;
- if (pos == length)
- break;
- }
- return length;
-}
-
-int handle_peek_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- cyg_uint32 value;
- if (argc != 1)
- {
- return ERROR_INVALID_ARGUMENTS;
- }
- HAL_READ_UINT32(strtoul(args[0], NULL, 0), value);
- command_print(cmd_ctx, "0x%x : 0x%x", strtoul(args[0], NULL, 0), value);
- return ERROR_OK;
-}
-
-int handle_poke_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc != 2)
- {
- return ERROR_INVALID_ARGUMENTS;
- }
- HAL_WRITE_UINT32(strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0));
- return ERROR_OK;
-}
-
-int handle_cp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc != 2)
- {
- return ERROR_INVALID_ARGUMENTS;
- }
-
- // NOTE!!! we only have line printing capability so we print the entire file as a single line.
- void *data;
- int len;
-
- int retval = loadFile(args[0], &data, &len);
- if (retval != ERROR_OK)
- return retval;
-
- FILE *f = fopen(args[1], "wb");
- if (f == NULL)
- retval = ERROR_INVALID_ARGUMENTS;
-
- int pos = 0;
- for (;;)
- {
- int chunk = len - pos;
- static const int maxChunk = 512 * 1024; // ~1/sec
- if (chunk > maxChunk)
- {
- chunk = maxChunk;
- }
-
- if ((retval==ERROR_OK)&&(fwrite(((char *)data)+pos, 1, chunk, f)!=chunk))
- retval = ERROR_INVALID_ARGUMENTS;
-
- if (retval != ERROR_OK)
- {
- break;
- }
-
- command_print(cmd_ctx, "%d", len - pos);
-
- pos += chunk;
-
- if (pos == len)
- break;
- }
-
- if (retval == ERROR_OK)
- {
- command_print(cmd_ctx, "Copied %s to %s", args[0], args[1]);
- } else
- {
- command_print(cmd_ctx, "Failed: %d", retval);
- }
-
- if (data != NULL)
- free(data);
- if (f != NULL)
- fclose(f);
-
- if (retval != ERROR_OK)
- unlink(args[1]);
-
- return retval;
-}
-
-#ifdef CYGPKG_PROFILE_GPROF
-extern void start_profile();
-
-int eCosBoard_handle_eCosBoard_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- command_print(cmd_ctx, "Profiling started");
- start_profile();
- return ERROR_OK;
-}
-
-#endif
-
-externC void phi_init_all_network_interfaces();
-
-command_context_t *cmd_ctx;
-
-static bool webRunning = false;
-
-void keep_webserver()
-{
- // Target initialisation is only attempted at startup, so we sleep forever and
- // let the http server bail us out(i.e. get config files set up).
- diag_printf("OpenOCD has invoked exit().\n"
- "Use web server to correct any configuration settings and reboot.\n");
- if (!webRunning)
- reboot();
-
- // exit() will terminate the current thread and we we'll then sleep eternally or
- // we'll have a reboot scheduled.
-}
-
-extern void printDccChar(char c);
-
-static char logBuffer[128 * 1024];
-static const int logSize = sizeof(logBuffer);
-int writePtr = 0;
-int logCount = 0;
-
-void _zylinjtag_diag_write_char(char c, void **param)
-{
- if (writeLog)
- {
- logBuffer[writePtr] = c;
- writePtr = (writePtr + 1) % logSize;
- logCount++;
- }
- if (serialLog)
- {
- if (c == '\n')
- {
- HAL_DIAG_WRITE_CHAR('\r');
- }
- HAL_DIAG_WRITE_CHAR(c);
- }
-
- printDccChar(c);
-}
-
-#define SHOW_RESULT(a, b) diag_printf(#a " failed %d\n", (int)b)
-
-#define IOSIZE 512
-static void copyfile(char *name2, char *name1)
-{
-
- int err;
- char buf[IOSIZE];
- int fd1, fd2;
- ssize_t done, wrote;
-
- fd1 = open(name1, O_WRONLY | O_CREAT);
- if (fd1 < 0)
- SHOW_RESULT( open, fd1 );
-
- fd2 = open(name2, O_RDONLY);
- if (fd2 < 0)
- SHOW_RESULT( open, fd2 );
-
- for (;;)
- {
- done = read(fd2, buf, IOSIZE );
- if (done < 0)
- {
- SHOW_RESULT( read, done );
- break;
- }
-
- if( done == 0 ) break;
-
- wrote = write(fd1, buf, done);
- if( wrote != done ) SHOW_RESULT( write, wrote );
-
- if( wrote != done ) break;
- }
-
- err = close(fd1);
- if( err < 0 ) SHOW_RESULT( close, err );
-
- err = close(fd2);
- if( err < 0 ) SHOW_RESULT( close, err );
-
-}
-static void copydir(char *name)
-{
- int err;
- DIR *dirp;
-
- mkdir("/ram/cgi", 0777);
-
- dirp = opendir(name);
- if( dirp == NULL ) SHOW_RESULT( opendir, -1 );
-
- for (;;)
- {
- struct dirent *entry = readdir(dirp);
-
- if (entry == NULL)
- break;
-
- if (strcmp(entry->d_name, ".") == 0)
- continue;
- if (strcmp(entry->d_name, "..") == 0)
- continue;
-
- bool isDir = false;
- struct stat buf;
- char fullPath[PATH_MAX];
- strncpy(fullPath, name, PATH_MAX);
- strcat(fullPath, "/");
- strncat(fullPath, entry->d_name, PATH_MAX - strlen(fullPath));
-
- if (stat(fullPath, &buf) == -1)
- {
- diag_printf("unable to read status from %s", fullPath);
- break;
- }
- isDir = S_ISDIR(buf.st_mode) != 0;
-
- if (isDir)
- continue;
-
- // diag_printf("<INFO>: entry %14s",entry->d_name);
- char fullname[PATH_MAX];
- char fullname2[PATH_MAX];
-
- strcpy(fullname, name);
- strcat(fullname, entry->d_name);
-
- strcpy(fullname2, "/ram/cgi/");
- strcat(fullname2, entry->d_name);
- // diag_printf("from %s to %s\n", fullname, fullname2);
- copyfile(fullname, fullname2);
-
- // diag_printf("\n");
- }
-
- err = closedir(dirp);
- if( err < 0 ) SHOW_RESULT( stat, err );
-}
-
-#if 0
-MTAB_ENTRY( romfs_mte1,
- "/rom",
- "romfs",
- "",
- (CYG_ADDRWORD) &filedata[0] );
-#endif
-
-void openocd_sleep_prelude()
-{
- cyg_mutex_unlock(&httpstate.jim_lock);
-}
-
-void openocd_sleep_postlude()
-{
- cyg_mutex_lock(&httpstate.jim_lock);
-}
-
-static int
-zylinjtag_Jim_Command_rm(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- int del;
- if (argc != 2)
- {
- Jim_WrongNumArgs(interp, 1, argv, "rm ?dirorfile?");
- return JIM_ERR;
- }
-
- del = 0;
- if (unlink(Jim_GetString(argv[1], NULL)) == 0)
- del = 1;
- if (rmdir(Jim_GetString(argv[1], NULL)) == 0)
- del = 1;
-
- return del ? JIM_OK : JIM_ERR;
-}
-
-static int
-zylinjtag_Jim_Command_ls(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- if (argc != 2)
- {
- Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
- return JIM_ERR;
- }
-
- char *name = (char*) Jim_GetString(argv[1], NULL);
-
- DIR *dirp = NULL;
- dirp = opendir(name);
- if (dirp == NULL)
- {
- return JIM_ERR;
- }
- Jim_Obj *objPtr = Jim_NewListObj(interp, NULL, 0);
-
- for (;;)
- {
- struct dirent *entry = NULL;
- entry = readdir(dirp);
- if (entry == NULL)
- break;
-
- if ((strcmp(".", entry->d_name)==0)||(strcmp("..", entry->d_name)==0))
- continue;
-
- Jim_ListAppendElement(interp, objPtr, Jim_NewStringObj(interp, entry->d_name, strlen(entry->d_name)));
- }
- closedir(dirp);
-
- Jim_SetResult(interp, objPtr);
-
- return JIM_OK;
-}
-
-
-static int
-zylinjtag_Jim_Command_getmem(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- if (argc != 3)
- {
- Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
- return JIM_ERR;
- }
-
- long address;
- long length;
- if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
- return JIM_ERR;
- if (Jim_GetLong(interp, argv[2], &length) != JIM_OK)
- return JIM_ERR;
-
- if (length < 0 && length > (4096 * 1024))
- {
- Jim_WrongNumArgs(interp, 1, argv, "getmem ?dir?");
- return JIM_ERR;
- }
-
- void *mem = malloc(length);
- if (mem == NULL)
- return JIM_ERR;
-
- target_t *target = get_current_target(cmd_ctx);
-
- int retval;
- int size = 1;
- int count = length;
- if ((address % 4 == 0) && (count % 4 == 0))
- {
- size = 4;
- count /= 4;
- }
-
- if ((retval = target->type->read_memory(target, address, size, count, mem)) != ERROR_OK)
- {
- free(mem);
- return JIM_ERR;
- }
-
- Jim_Obj *objPtr = Jim_NewStringObj(interp, mem, length);
- Jim_SetResult(interp, objPtr);
-
- free(mem);
-
- return JIM_OK;
-}
-
-static int
-zylinjtag_Jim_Command_peek(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- if (argc != 2)
- {
- Jim_WrongNumArgs(interp, 1, argv, "peek ?address?");
- return JIM_ERR;
- }
-
- long address;
- if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
- return JIM_ERR;
-
- int value = *((volatile int *) address);
-
- Jim_SetResult(interp, Jim_NewIntObj(interp, value));
-
- return JIM_OK;
-}
-
-static int
-zylinjtag_Jim_Command_poke(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- if (argc != 3)
- {
- Jim_WrongNumArgs(interp, 1, argv, "poke ?address? ?value?");
- return JIM_ERR;
- }
-
- long address;
- if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
- return JIM_ERR;
- long value;
- if (Jim_GetLong(interp, argv[2], &value) != JIM_OK)
- return JIM_ERR;
-
- *((volatile int *) address) = value;
-
- return JIM_OK;
-}
-
-
-
-static int
-zylinjtag_Jim_Command_flash(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- int retval;
- u32 base = 0;
- flash_bank_t *t = get_flash_bank_by_num_noprobe(0);
- if (t != NULL)
- {
- base = t->base;
- retval = JIM_OK;
- } else
- {
- retval = JIM_ERR;
- }
-
- if (retval == JIM_OK)
- {
- Jim_SetResult(interp, Jim_NewIntObj(interp, base));
- }
-
- return retval;
-}
-
-
-
-
-
-static int
-zylinjtag_Jim_Command_log(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
-
- if (logCount >= logSize)
- {
- Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer+logCount%logSize, logSize-logCount%logSize);
- }
- Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
-
- Jim_SetResult(interp, tclOutput);
- return JIM_OK;
-}
-
-static int
-zylinjtag_Jim_Command_reboot(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- reboot();
- return JIM_OK;
-}
-
-static int
-zylinjtag_Jim_Command_mac(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- int s;
- struct ifreq ifr;
- s = socket(AF_INET, SOCK_DGRAM, 0);
- if (s >= 0)
- {
- strcpy(ifr.ifr_name, "eth0");
- int res;
- res = ioctl(s, SIOCGIFHWADDR, &ifr);
- close(s);
-
- if (res < 0)
- {
- return JIM_OK;
- }
- }
-
- Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
-
- char hwaddr[512];
- sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
- (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
- (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
- (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
- (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
- (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
- (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
-
- Jim_AppendString(httpstate.jim_interp, tclOutput, hwaddr, strlen(hwaddr));
-
- Jim_SetResult(interp, tclOutput);
-
- return JIM_OK;
-}
-
-static int
-zylinjtag_Jim_Command_ip(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
-
- struct ifaddrs *ifa = NULL, *ifp = NULL;
-
- if (getifaddrs(&ifp) < 0)
- {
- return JIM_ERR;
- }
-
- for (ifa = ifp; ifa; ifa = ifa->ifa_next)
- {
- char ip[200];
- socklen_t salen;
-
- if (ifa->ifa_addr->sa_family == AF_INET)
- salen = sizeof(struct sockaddr_in);
- else if (ifa->ifa_addr->sa_family == AF_INET6)
- salen = sizeof(struct sockaddr_in6);
- else
- continue;
-
- if (getnameinfo(ifa->ifa_addr, salen, ip, sizeof(ip), NULL, 0,
- NI_NUMERICHOST) < 0)
- {
- continue;
- }
-
- Jim_AppendString(httpstate.jim_interp, tclOutput, ip, strlen(ip));
- break;
-
- }
-
- freeifaddrs(ifp);
-
- Jim_SetResult(interp, tclOutput);
-
- return JIM_OK;
-}
-
-extern Jim_Interp *interp;
-
-static void zylinjtag_startNetwork()
-{
- // Bring TCP/IP up immediately before we're ready to accept commands.
- //
- // That is as soon as a PING responds, we're accepting telnet sessions.
-#if defined(CYGPKG_NET_FREEBSD_STACK)
- phi_init_all_network_interfaces();
-#else
- lwip_init();
-#endif
- if (!eth0_up)
- {
- diag_printf("Network not up and running\n");
- exit(-1);
- }
-#if defined(CYGPKG_NET_FREEBSD_STACK)
- /*start TFTP*/
- tftpd_start(69, &fileops);
-#endif
-
- cyg_httpd_init_tcl_interpreter();
-
- interp = httpstate.jim_interp;
-
- Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log, NULL, NULL);
- Jim_CreateCommand(httpstate.jim_interp, "reboot", zylinjtag_Jim_Command_reboot, NULL, NULL);
- Jim_CreateCommand(httpstate.jim_interp, "peek", zylinjtag_Jim_Command_peek, NULL, NULL);
- Jim_CreateCommand(httpstate.jim_interp, "zy1000_flash", zylinjtag_Jim_Command_flash, NULL, NULL);
- Jim_CreateCommand(httpstate.jim_interp, "poke", zylinjtag_Jim_Command_poke, NULL, NULL);
- Jim_CreateCommand(httpstate.jim_interp, "ls", zylinjtag_Jim_Command_ls, NULL, NULL);
- Jim_CreateCommand(httpstate.jim_interp, "getmem", zylinjtag_Jim_Command_getmem, NULL, NULL);
- Jim_CreateCommand(httpstate.jim_interp, "mac", zylinjtag_Jim_Command_mac, NULL, NULL);
- Jim_CreateCommand(httpstate.jim_interp, "ip", zylinjtag_Jim_Command_ip, NULL, NULL);
- Jim_CreateCommand(httpstate.jim_interp, "rm", zylinjtag_Jim_Command_rm, NULL, NULL);
-
- cyg_httpd_start();
-
- webRunning = true;
-
- diag_printf("Web server running\n");
-}
-
-static bool readPowerDropout()
-{
- cyg_uint32 state;
- // sample and clear power dropout
- HAL_WRITE_UINT32(0x08000010, 0x80);
- HAL_READ_UINT32(0x08000010, state);
- bool powerDropout;
- powerDropout = (state & 0x80) != 0;
- return powerDropout;
-}
-
-bool readSRST()
-{
- cyg_uint32 state;
- // sample and clear SRST sensing
- HAL_WRITE_UINT32(0x08000010, 0x00000040);
- HAL_READ_UINT32(0x08000010, state);
- bool srstAsserted;
- srstAsserted = (state & 0x40) != 0;
- return srstAsserted;
-}
-
-// every 300ms we check for reset & powerdropout and issue a "reset halt" if
-// so.
-
-
-static int sense_handler(void *priv)
-{
- struct command_context_s *cmd_ctx;
- cmd_ctx = (struct command_context_s *) priv;
-
- static bool prevSrstAsserted = false;
- static bool prevPowerdropout = false;
-
- bool powerDropout;
- powerDropout = readPowerDropout();
-
- bool powerRestored;
- powerRestored = prevPowerdropout && !powerDropout;
- if (powerRestored)
- {
- LOG_USER("Sensed power restore.");
- }
-
- cyg_tick_count_t current = cyg_current_time();
- static cyg_tick_count_t lastPower = 0;
- bool waitMore = lastPower + 200 > current;
- if (powerDropout && !waitMore)
- {
- LOG_USER("Sensed power dropout.");
- lastPower = current;
- }
-
- bool srstAsserted = readSRST();
-
- bool srstDeasserted;
- srstDeasserted = prevSrstAsserted && !srstAsserted;
-
- static cyg_tick_count_t lastSrst = 0;
- waitMore = lastSrst + 200 > current;
- if (srstDeasserted && !waitMore)
- {
- LOG_USER("Sensed nSRST deasserted");
- lastSrst = current;
- }
-
- if (!prevSrstAsserted && srstAsserted)
- {
- LOG_USER("Sensed nSRST asserted");
- }
-
- prevSrstAsserted = srstAsserted;
- prevPowerdropout = powerDropout;
-
- if (srstDeasserted || powerRestored)
- {
- /* Other than logging the event we can't do anything here.
- * Issuing a reset is a particularly bad idea as we might
- * be inside a reset already.
- */
- }
-
- return ERROR_OK;
-}
-
-
-
-static void
-print_exception_handler(cyg_addrword_t data, cyg_code_t exception, cyg_addrword_t info)
-{
- writeLog = false;
- serialLog = true;
- char *infoStr = "unknown";
- switch (exception)
- {
- case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
- infoStr = "undefined instruction";
- break;
- case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
- infoStr = "software interrupt";
- break;
- case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
- infoStr = "abort prefetch";
- break;
- case CYGNUM_HAL_VECTOR_ABORT_DATA:
- infoStr = "abort data";
- break;
- default:
- break;
- }
-
- diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
-
- diag_printf("Dumping log\n---\n");
- if (logCount >= logSize)
- {
- diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
- }
- diag_write(logBuffer, writePtr);
-
- diag_printf("---\nLogdump complete.\n");
- diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
- diag_printf("\n---\nRebooting\n");
- HAL_PLATFORM_RESET();
-
-}
-
-static void setHandler(cyg_code_t exception)
-{
- cyg_exception_handler_t *old_handler;
- cyg_addrword_t old_data;
-
- cyg_exception_set_handler(exception,
- print_exception_handler,
- 0,
- &old_handler,
- &old_data);
-}
-
-static cyg_thread zylinjtag_uart_thread_object;
-static cyg_handle_t zylinjtag_uart_thread_handle;
-static char uart_stack[4096];
-
-static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
-static char backwardBuffer[1024];
-
-static cyg_io_handle_t serial_handle;
-
-void setNoDelay(int session, int flag)
-{
-#if 1
- // This decreases latency dramatically for e.g. GDB load which
- // does not have a sliding window protocol
- //
- // Can cause *lots* of TCP/IP packets to be sent and it would have
- // to be enabled/disabled on the fly to avoid the CPU being
- // overloaded...
- setsockopt(session, /* socket affected */
- IPPROTO_TCP, /* set option at TCP level */
- TCP_NODELAY, /* name of option */
- (char *) &flag, /* the cast is historical
- cruft */
- sizeof(int)); /* length of option value */
-#endif
-}
-
-struct
-{
- int req;
- int actual;
- int req2;
- int actual2;
-} tcpipSent[512 * 1024];
-int cur;
-
-static void
-zylinjtag_uart(cyg_addrword_t data)
-{
- int so_reuseaddr_option = 1;
-
- int fd;
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
- {
- LOG_ERROR("error creating socket: %s", strerror(errno));
- exit(-1);
- }
-
- setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&so_reuseaddr_option, sizeof(int));
-
- struct sockaddr_in sin;
- unsigned int address_size;
- address_size = sizeof(sin);
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = INADDR_ANY;
- sin.sin_port = htons(5555);
-
- if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
- {
- LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
- exit(-1);
- }
-
- if (listen(fd, 1) == -1)
- {
- LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
- exit(-1);
- }
- // socket_nonblock(fd);
-
-
- for (;;)
- {
- int session = accept(fd, (struct sockaddr *) &sin, &address_size);
- if (session < 0)
- {
- continue;
- }
-
- setNoDelay(session, 1);
- int oldopts = fcntl(session, F_GETFL, 0);
- fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
-
- int serHandle = open("/dev/ser0", O_RDWR | O_NONBLOCK);
- if (serHandle < 0)
- {
- close(session);
- continue;
- }
-
- start_profile();
- int actual = 0;
- int actual2 = 0;
- int pos, pos2;
- pos = 0;
- pos2 = 0;
- cur = 0;
- for (;;)
- {
- fd_set write_fds;
- fd_set read_fds;
- FD_ZERO(&write_fds);
- FD_ZERO(&read_fds);
- int fd_max = -1;
- FD_SET(session, &read_fds);
- fd_max = session;
- FD_SET(serHandle, &read_fds);
- if (serHandle > fd_max)
- {
- fd_max = serHandle;
- }
- /* Wait... */
-
- cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
- if ((actual == 0) && (actual2 == 0))
- {
- int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
- if (retval <= 0)
- {
- break;
- }
- }
-
- if (actual2 <= 0)
- {
- memset(backwardBuffer, 's', sizeof(backwardBuffer));
- actual2=read(serHandle, backwardBuffer, sizeof(backwardBuffer));
- if (actual2 < 0)
- {
- if (errno != EAGAIN)
- {
- goto closeSession;
- }
- actual2 = 0;
- }
- pos2 = 0;
- }
-
- int x = actual2;
- int y = 0;
- if (actual2 > 0)
- {
- int written = write(session, backwardBuffer + pos2, actual2);
- if (written <= 0)
- goto closeSession;
- actual2 -= written;
- pos2 += written;
- y = written;
- }
-
- if (FD_ISSET(session, &read_fds)&&(sizeof(forwardBuffer)>actual))
- {
- // NB! Here it is important that we empty the TCP/IP read buffer
- // to make transmission tick right
- memmove(forwardBuffer, forwardBuffer + pos, actual);
- pos = 0;
- int t;
- // this will block if there is no data at all
- t=read_socket(session, forwardBuffer+actual, sizeof(forwardBuffer)-actual);
- if (t <= 0)
- {
- goto closeSession;
- }
- actual += t;
- }
-
- int x2 = actual;
- int y2 = 0;
- if (actual > 0)
- {
- /* Do not put things into the serial buffer if it has something to send
- * as that can cause a single byte to be sent at the time.
- *
- *
- */
- int written = write(serHandle, forwardBuffer + pos, actual);
- if (written < 0)
- {
- if (errno != EAGAIN)
- {
- goto closeSession;
- }
- // The serial buffer is full
- written = 0;
- } else
- {
- actual -= written;
- pos += written;
- }
- y2 = written;
- }
- if (cur < 1024)
- {
- tcpipSent[cur].req = x;
- tcpipSent[cur].actual = y;
- tcpipSent[cur].req2 = x2;
- tcpipSent[cur].actual2 = y2;
- cur++;
- }
-
- }
- closeSession:
- close(session);
- close(serHandle);
-
- int i;
- for (i = 0; i < 1024; i++)
- {
- diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual, tcpipSent[i].req2, tcpipSent[i].actual2);
-
- }
- }
- close(fd);
-
-}
-
-void startUart(void)
-{
- cyg_thread_create(1,
- zylinjtag_uart,
- (cyg_addrword_t)0,
- "uart thread",
- (void *)uart_stack,
- sizeof(uart_stack),
- &zylinjtag_uart_thread_handle,
- &zylinjtag_uart_thread_object);
- cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
- cyg_thread_resume(zylinjtag_uart_thread_handle);
-}
-
-
-
-int handle_uart_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc != 1)
- {
- command_print(cmd_ctx, "usage: uart <baudrate>");
- return ERROR_INVALID_ARGUMENTS;
- }
-
- int baud = atol(args[0]);
-
- switch (baud)
- {
- case 9600:
- baud = CYGNUM_SERIAL_BAUD_9600;
- break;
- case 19200:
- baud = CYGNUM_SERIAL_BAUD_19200;
- break;
- case 38400:
- baud = CYGNUM_SERIAL_BAUD_38400;
- break;
- case 57600:
- baud = CYGNUM_SERIAL_BAUD_57600;
- break;
- case 115200:
- baud = CYGNUM_SERIAL_BAUD_115200;
- break;
- case 230400:
- baud = CYGNUM_SERIAL_BAUD_230400;
- break;
- default:
- command_print(cmd_ctx, "unsupported baudrate");
- return ERROR_INVALID_ARGUMENTS;
- }
-
- cyg_serial_info_t buf;
- cyg_uint32 len = 1;
- //get existing serial configuration
- len = sizeof(cyg_serial_info_t);
- int err;
- err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
- err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf, &len);
- if (err != ENOERR)
- {
- command_print(cmd_ctx, "Failed to get serial port settings %d", err);
- return ERROR_OK;
- }
- buf.baud = baud;
-
- err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf, &len);
- if (err != ENOERR)
- {
- command_print(cmd_ctx, "Failed to set serial port settings %d", err);
- return ERROR_OK;
- }
-
- return ERROR_OK;
-}
-
-bool logAllToSerial = false;
-
-/* boolean parameter stored on config */
-bool boolParam(char *var)
-{
- bool result = false;
- char *name = alloc_printf(ZYLIN_CONFIG_DIR "/%s", var);
- if (name == NULL)
- return result;
-
- void *data;
- int len;
- if (loadFile(name, &data, &len) == ERROR_OK)
- {
- if (len > 1)
- len = 1;
- result = strncmp((char *) data, "1", len) == 0;
- free(data);
- }
- free(name);
- return result;
-}
-
-command_context_t *setup_command_handler();
-
-int add_default_dirs(void)
-{
- add_script_search_dir(ZYLIN_CONFIG_DIR);
- add_script_search_dir("/rom/lib/openocd");
- add_script_search_dir("/rom");
- return ERROR_OK;
-}
-
-int main(int argc, char *argv[])
-{
- setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
- setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
- setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
-
- int err;
- err = cyg_io_lookup("/dev/ser0", &serial_handle);
- if (err != ENOERR)
- {
- diag_printf("/dev/ser0 not found\n");
- reboot();
- }
-
- setPower(true); // on by default
-
- atexit(keep_webserver);
-
- err = mount("", "/ram", "ramfs");
- if (err < 0)
- {
- diag_printf("unable to mount ramfs\n");
- }
- chdir("/ram");
-
- char address[16];
- sprintf(address, "%p", &filedata[0]);
- err = mount(address, "/rom", "romfs");
- if (err < 0)
- {
- diag_printf("unable to mount /rom\n");
- }
-
- err = mount("", "/log", "logfs");
- if (err < 0)
- {
- diag_printf("unable to mount logfs\n");
- }
-
- err = mount("", "/tftp", "tftpfs");
- if (err < 0)
- {
- diag_printf("unable to mount logfs\n");
- }
-
- log = fopen("/log/log", "w");
- if (log == NULL)
- {
- diag_printf("Could not open log file /ram/log\n");
- exit(-1);
- }
-
- diag_init_putc(_zylinjtag_diag_write_char);
-
- // We want this in the log.
- diag_printf("Zylin ZY1000. Copyright Zylin AS 2007-2008.\n");
- diag_printf("%s\n", ZYLIN_OPENOCD_VERSION);
-
- copydir("/rom/");
-
- err = mount("/dev/flash1", "/config", "jffs2");
- if (err < 0)
- {
- diag_printf("unable to mount jffs\n");
- }
-
-
- mkdir(ZYLIN_CONFIG_DIR, 0777);
- mkdir(ZYLIN_CONFIG_DIR "/target", 0777);
- mkdir(ZYLIN_CONFIG_DIR "/event", 0777);
-
- logAllToSerial = boolParam("logserial");
-
- // We need the network & web server in case there is something wrong with
- // the config files that invoke exit()
- zylinjtag_startNetwork();
-
- /* we're going to access the jim interpreter from here on... */
- openocd_sleep_postlude();
- startUart();
-
- add_default_dirs();
-
- /* initialize commandline interface */
- command_context_t *cmd_ctx;
- cmd_ctx = setup_command_handler();
- command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
- command_context_mode(cmd_ctx, COMMAND_CONFIG);
-
-
- register_command(cmd_ctx, NULL, "zy1000_version", handle_zy1000_version_command,
- COMMAND_EXEC, "show zy1000 version numbers");
-
- register_command(cmd_ctx, NULL, "rm", handle_rm_command, COMMAND_ANY,
- "rm <filname>");
-
- register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
- "same args as load_image, image stored in memory");
-
- register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
- "loads active fast load image to current target");
-
- register_command(cmd_ctx, NULL, "cat", handle_cat_command, COMMAND_ANY,
- "cat <filname>");
-
- register_command(cmd_ctx, NULL, "trunc", handle_trunc_command, COMMAND_ANY,
- "trunc <filname>");
-
- register_command(cmd_ctx, NULL, "append_file", handle_append_command,
- COMMAND_ANY, "append <filname>");
-
- register_command(cmd_ctx, NULL, "power", handle_power_command, COMMAND_ANY,
- "power <on/off> - turn power switch to target on/off. No arguments - print status.");
-
- register_command(cmd_ctx, NULL, "meminfo", handle_meminfo_command,
- COMMAND_ANY, "meminfo");
-
- register_command(cmd_ctx, NULL, "cp", handle_cp_command,
- COMMAND_ANY, "cp <from> <to>");
-
-#ifdef CYGPKG_PROFILE_GPROF
- register_command(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command,
- COMMAND_ANY, NULL);
-#endif
- register_command(cmd_ctx, NULL, "uart", handle_uart_command,
- COMMAND_ANY, "uart <baud> - forward uart on port 5555");
-
-
- int errVal;
- errVal = log_init(cmd_ctx);
- if (errVal != ERROR_OK)
- {
- diag_printf("log_init() failed %d\n", errVal);
- exit(-1);
- }
-
- set_log_output(cmd_ctx, log);
-
- LOG_DEBUG("log init complete");
-
- // diag_printf("Executing config files\n");
-
- if (logAllToSerial)
- {
- diag_printf(ZYLIN_CONFIG_DIR "/logserial=1 => sending log output to serial port using \"debug_level 3\" as default.\n");
- command_run_line(cmd_ctx, "debug_level 3");
- }
-
- zylinjtag_parse_config_file(cmd_ctx, "/rom/openocd.cfg");
-
- target_register_timer_callback(sense_handler, 200, 1, cmd_ctx);
-
- // FIX!!! Yuk!
- // diag_printf() is really invoked from many more places than we trust it
- // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
- //
- // Disabling it here is safe and gives us enough logged debug output for now. Crossing
- // fingers that it doesn't cause any crashes.
- diag_printf("Init complete, GDB & telnet servers launched.\n");
- command_set_output_handler(cmd_ctx, zy1000_configuration_output_handler_log, NULL);
- if (!logAllToSerial)
- {
- serialLog = false;
- }
-
- /* handle network connections */
- server_loop(cmd_ctx);
- openocd_sleep_prelude();
-
- /* shut server down */
- server_quit();
-
- /* free commandline interface */
- command_done(cmd_ctx);
- umount("/config");
-
- exit(0);
- for (;;);
-}
-
-
-
-cyg_int32
-cyg_httpd_exec_cgi_tcl(char *file_name);
-cyg_int32 homeForm(CYG_HTTPD_STATE *p)
-{
- cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
- return 0;
-}
-
-CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
-
-CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
-CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
-
-#include <pkgconf/system.h>
-#include <pkgconf/hal.h>
-#include <pkgconf/kernel.h>
-#include <pkgconf/io_fileio.h>
-#include <pkgconf/fs_rom.h>
-
-#include <cyg/kernel/ktypes.h> // base kernel types
-#include <cyg/infra/cyg_trac.h> // tracing macros
-#include <cyg/infra/cyg_ass.h> // assertion macros
-#include <unistd.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <dirent.h>
-
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <cyg/fileio/fileio.h>
-
-#include <cyg/kernel/kapi.h>
-#include <cyg/infra/diag.h>
-
-//==========================================================================
-// Eventually we want to eXecute In Place from the ROM in a protected
-// environment, so we'll need executables to be aligned to a boundary
-// suitable for MMU protection. A suitable boundary would be the 4k
-// boundary in all the CPU architectures I am currently aware of.
-
-// Forward definitions
-
-// Filesystem operations
-static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
-static int tftpfs_umount(cyg_mtab_entry *mte);
-static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
- int mode, cyg_file *fte);
-static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
-static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
-
-// File operations
-static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
-static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
-static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
-
-//==========================================================================
-// Filesystem table entries
-
-// -------------------------------------------------------------------------
-// Fstab entry.
-// This defines the entry in the filesystem table.
-// For simplicity we use _FILESYSTEM synchronization for all accesses since
-// we should never block in any filesystem operations.
-#if 1
-FSTAB_ENTRY( tftpfs_fste, "tftpfs", 0,
- CYG_SYNCMODE_NONE,
- tftpfs_mount,
- tftpfs_umount,
- tftpfs_open,
- (cyg_fsop_unlink *)cyg_fileio_erofs,
- (cyg_fsop_mkdir *)cyg_fileio_erofs,
- (cyg_fsop_rmdir *)cyg_fileio_erofs,
- (cyg_fsop_rename *)cyg_fileio_erofs,
- (cyg_fsop_link *)cyg_fileio_erofs,
- (cyg_fsop_opendir *)cyg_fileio_erofs,
- (cyg_fsop_chdir *)cyg_fileio_erofs,
- (cyg_fsop_stat *)cyg_fileio_erofs,
- (cyg_fsop_getinfo *)cyg_fileio_erofs,
- (cyg_fsop_setinfo *)cyg_fileio_erofs);
-#endif
-
-// -------------------------------------------------------------------------
-// mtab entry.
-// This defines a single ROMFS loaded into ROM at the configured address
-//
-// MTAB_ENTRY( rom_mte, // structure name
-// "/rom", // mount point
-// "romfs", // FIlesystem type
-// "", // hardware device
-// (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS // Address in ROM
-// );
-
-
-// -------------------------------------------------------------------------
-// File operations.
-// This set of file operations are used for normal open files.
-
-static cyg_fileops tftpfs_fileops =
-{
- tftpfs_fo_read,
- tftpfs_fo_write,
- tftpfs_fo_lseek,
- (cyg_fileop_ioctl *)cyg_fileio_erofs,
- cyg_fileio_seltrue,
- tftpfs_fo_fsync,
- tftpfs_fo_close,
- (cyg_fileop_fstat *) cyg_fileio_erofs,
- (cyg_fileop_getinfo *) cyg_fileio_erofs,
- (cyg_fileop_setinfo *)cyg_fileio_erofs,
-};
-
-// -------------------------------------------------------------------------
-// tftpfs_mount()
-// Process a mount request. This mainly finds root for the
-// filesystem.
-
-static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
-{
- return ENOERR;
-}
-
-static int tftpfs_umount(cyg_mtab_entry *mte)
-{
- return ENOERR;
-}
-
-struct Tftp
-{
- int write;
- int readFile;
- cyg_uint8 *mem;
- int actual;
- char *server;
- char *file;
-};
-
-static void freeTftp(struct Tftp *t)
-{
- if (t == NULL)
- return;
- if (t->mem)
- free(t->mem);
- if (t->server)
- free(t->server);
- if (t->file)
- free(t->file);
- free(t);
-}
-
-static const int tftpMaxSize = 8192 * 1024;
-static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
- int mode, cyg_file *file)
-{
- struct Tftp *tftp;
- tftp = malloc(sizeof(struct Tftp));
- if (tftp == NULL)
- return EMFILE;
- memset(tftp, 0, sizeof(struct Tftp));
-
- file->f_flag |= mode & CYG_FILE_MODE_MASK;
- file->f_type = CYG_FILE_TYPE_FILE;
- file->f_ops = &tftpfs_fileops;
- file->f_offset = 0;
- file->f_data = 0;
- file->f_xops = 0;
-
- tftp->mem = malloc(tftpMaxSize);
- if (tftp->mem == NULL)
- {
- freeTftp(tftp);
- return EMFILE;
- }
-
- char *server = strchr(name, '/');
- if (server == NULL)
- {
- freeTftp(tftp);
- return EMFILE;
- }
-
- tftp->server = malloc(server - name + 1);
- if (tftp->server == NULL)
- {
- freeTftp(tftp);
- return EMFILE;
- }
- strncpy(tftp->server, name, server - name);
- tftp->server[server - name] = 0;
-
- tftp->file = strdup(server + 1);
- if (tftp->file == NULL)
- {
- freeTftp(tftp);
- return EMFILE;
- }
-
- file->f_data = (CYG_ADDRWORD) tftp;
-
- return ENOERR;
-}
-
-static int fetchTftp(struct Tftp *tftp)
-{
- if (!tftp->readFile)
- {
- int err;
- tftp->actual = tftp_client_get( tftp->file, tftp->server, 0, tftp->mem, tftpMaxSize, TFTP_OCTET, &err);
-
- if (tftp->actual < 0)
- {
- return EMFILE;
- }
- tftp->readFile = 1;
- }
- return ENOERR;
-}
-
-// -------------------------------------------------------------------------
-// tftpfs_fo_write()
-// Read data from file.
-
-static int
-tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
-{
- struct Tftp *tftp = (struct Tftp *) fp->f_data;
-
- if (fetchTftp(tftp) != ENOERR)
- return EMFILE;
-
- int i;
- off_t pos = fp->f_offset;
- int resid = 0;
- for (i = 0; i < uio->uio_iovcnt; i++)
- {
- cyg_iovec *iov = &uio->uio_iov[i];
- char *buf = (char *) iov->iov_base;
- off_t len = iov->iov_len;
-
- if (len + pos > tftp->actual)
- {
- len = tftp->actual - pos;
- }
- resid += iov->iov_len - len;
-
- memcpy(buf, tftp->mem + pos, len);
- pos += len;
-
- }
- uio->uio_resid = resid;
- fp->f_offset = pos;
-
- return ENOERR;
-}
-
-
-static int
-tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
-{
- struct Tftp *tftp = (struct Tftp *) fp->f_data;
-
- int i;
- off_t pos = fp->f_offset;
- int resid = 0;
- for (i = 0; i < uio->uio_iovcnt; i++)
- {
- cyg_iovec *iov = &uio->uio_iov[i];
- char *buf = (char *) iov->iov_base;
- off_t len = iov->iov_len;
-
- if (len + pos > tftpMaxSize)
- {
- len = tftpMaxSize - pos;
- }
- resid += iov->iov_len - len;
-
- memcpy(tftp->mem + pos, buf, len);
- pos += len;
-
- }
- uio->uio_resid = resid;
- fp->f_offset = pos;
-
- tftp->write = 1;
-
- return ENOERR;
-}
-
-static int
-tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
-{
- int error = ENOERR;
- return error;
-}
-
-// -------------------------------------------------------------------------
-// romfs_fo_close()
-// Close a file. We just clear out the data pointer.
-
-static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
-{
- struct Tftp *tftp = (struct Tftp *) fp->f_data;
- int error = ENOERR;
-
- if (tftp->write)
- {
- tftp_client_put( tftp->file, tftp->server, 0, tftp->mem, fp->f_offset, TFTP_OCTET, &error);
- }
-
- freeTftp(tftp);
- fp->f_data = 0;
- return error;
-}
-
-// -------------------------------------------------------------------------
-// romfs_fo_lseek()
-// Seek to a new file position.
-
-static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
-{
- struct Tftp *tftp = (struct Tftp *) fp->f_data;
- off_t pos = *apos;
-
- if (fetchTftp(tftp) != ENOERR)
- return EMFILE;
-
- switch (whence)
- {
- case SEEK_SET:
- // Pos is already where we want to be.
- break;
-
- case SEEK_CUR:
- // Add pos to current offset.
- pos += fp->f_offset;
- break;
-
- case SEEK_END:
- // Add pos to file size.
- pos += tftp->actual;
- break;
-
- default:
- return EINVAL;
- }
-
- // Check that pos is still within current file size, or at the
- // very end.
- if (pos < 0 || pos > tftp->actual)
- return EINVAL;
-
- // All OK, set fp offset and return new position.
- *apos = fp->f_offset = pos;
-
- return ENOERR;
-}
-
-void usleep(int us)
-{
- if (us > 10000)
- cyg_thread_delay(us / 10000 + 1);
- else
- HAL_DELAY_US(us);
-}
-
-// Chunked version.
-cyg_int32
-show_log_entry(CYG_HTTPD_STATE *phttpstate)
-{
- cyg_httpd_start_chunked("text");
- if (logCount >= logSize)
- {
- cyg_httpd_write_chunked(logBuffer+logCount%logSize, logSize-logCount%logSize);
- }
- cyg_httpd_write_chunked(logBuffer, writePtr);
- cyg_httpd_end_chunked();
- return -1;
-}
-
-CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
-
-// Filesystem operations
-static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
-static int logfs_umount(cyg_mtab_entry *mte);
-static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
- int mode, cyg_file *fte);
-static int
-logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
-
-// File operations
-static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
-static int logfs_fo_close(struct CYG_FILE_TAG *fp);
-
-//==========================================================================
-// Filesystem table entries
-
-// -------------------------------------------------------------------------
-// Fstab entry.
-// This defines the entry in the filesystem table.
-// For simplicity we use _FILESYSTEM synchronization for all accesses since
-// we should never block in any filesystem operations.
-FSTAB_ENTRY( logfs_fste, "logfs", 0,
- CYG_SYNCMODE_FILE_FILESYSTEM|CYG_SYNCMODE_IO_FILESYSTEM,
- logfs_mount,
- logfs_umount,
- logfs_open,
- (cyg_fsop_unlink *)cyg_fileio_erofs,
- (cyg_fsop_mkdir *)cyg_fileio_erofs,
- (cyg_fsop_rmdir *)cyg_fileio_erofs,
- (cyg_fsop_rename *)cyg_fileio_erofs,
- (cyg_fsop_link *)cyg_fileio_erofs,
- (cyg_fsop_opendir *)cyg_fileio_erofs,
- (cyg_fsop_chdir *)cyg_fileio_erofs,
- (cyg_fsop_stat *)cyg_fileio_erofs,
- (cyg_fsop_getinfo *)cyg_fileio_erofs,
- (cyg_fsop_setinfo *)cyg_fileio_erofs);
-
-// -------------------------------------------------------------------------
-// File operations.
-// This set of file operations are used for normal open files.
-
-static cyg_fileops logfs_fileops =
-{
- (cyg_fileop_read *)cyg_fileio_erofs,
- (cyg_fileop_write *)logfs_fo_write,
- (cyg_fileop_lseek *) cyg_fileio_erofs,
- (cyg_fileop_ioctl *)cyg_fileio_erofs,
- cyg_fileio_seltrue,
- logfs_fo_fsync,
- logfs_fo_close,
- (cyg_fileop_fstat *)cyg_fileio_erofs,
- (cyg_fileop_getinfo *) cyg_fileio_erofs,
- (cyg_fileop_setinfo *)cyg_fileio_erofs,
-};
-
-// -------------------------------------------------------------------------
-// logfs_mount()
-// Process a mount request. This mainly finds root for the
-// filesystem.
-
-static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
-{
- return ENOERR;
-}
-
-static int logfs_umount(cyg_mtab_entry *mte)
-{
- return ENOERR;
-}
-
-static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
- int mode, cyg_file *file)
-{
- file->f_flag |= mode & CYG_FILE_MODE_MASK;
- file->f_type = CYG_FILE_TYPE_FILE;
- file->f_ops = &logfs_fileops;
- file->f_offset = 0;
- file->f_data = 0;
- file->f_xops = 0;
- return ENOERR;
-}
-
-// -------------------------------------------------------------------------
-// logfs_fo_write()
-// Write data to file.
-
-static int
-logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
-{
- int i;
- for (i = 0; i < uio->uio_iovcnt; i++)
- {
- cyg_iovec *iov = &uio->uio_iov[i];
- char *buf = (char *) iov->iov_base;
- off_t len = iov->iov_len;
-
- diag_write(buf, len);
- }
- uio->uio_resid = 0;
-
- return ENOERR;
-}
-static int
-logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
-{
- return ENOERR;
-}
-
-// -------------------------------------------------------------------------
-// romfs_fo_close()
-// Close a file. We just clear out the data pointer.
-
-static int logfs_fo_close(struct CYG_FILE_TAG *fp)
-{
- return ENOERR;
-}
+/*************************************************************************** + * Copyright (C) 2007-2008 by Øyvind Harboe * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "log.h" +#include "types.h" +#include "jtag.h" +#include "configuration.h" +#include "xsvf.h" +#include "target.h" +#include "flash.h" +#include "nand.h" +#include "pld.h" + +#include "command.h" +#include "server.h" +#include "telnet_server.h" +#include "gdb_server.h" + +#include <time_support.h> +#include <sys/time.h> +#include <sys/types.h> +#include <strings.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> + +#include <cyg/io/flash.h> +#include <pkgconf/fs_jffs2.h> // Address of JFFS2 +#include <network.h> + +#include <fcntl.h> +#include <sys/stat.h> +#include <cyg/fileio/fileio.h> +#include <dirent.h> +#include <cyg/athttpd/http.h> +#include <cyg/athttpd/socket.h> +#include <cyg/athttpd/handler.h> +#include <cyg/athttpd/cgi.h> +#include <cyg/athttpd/forms.h> +#include <cyg/hal/hal_diag.h> +#include <cyg/kernel/kapi.h> +#include <cyg/io/serialio.h> +#include <cyg/io/io.h> +#include <netinet/tcp.h> +#include "rom.h" +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <net/if.h> +#include <arpa/inet.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <netdb.h> +#include <netinet/in.h> +#include <unistd.h> +#include <arpa/inet.h> +#include <stdio.h> +#include <ifaddrs.h> +#include <string.h> + +#include <unistd.h> +#include <stdio.h> +#define MAX_IFS 64 +#if defined(CYGPKG_NET_FREEBSD_STACK) +#include <tftp_support.h> +/* posix compatibility broken*/ +struct tftpd_fileops fileops = +{ + (int (*)(const char *, int))open, + close, + (int (*)(int, const void *, int))write, + ( int (*)(int, void *, int))read +}; + +#endif + +#define ZYLIN_VERSION "1.43" +#define ZYLIN_DATE __DATE__ +#define ZYLIN_TIME __TIME__ +/* hmmm.... we can't pick up the right # during build if we've checked this out + * in Eclipse... arrggghh...*/ +#define ZYLIN_OPENOCD 1005 +#define ZYLIN_OPENOCD_VERSION "Zylin JTAG ZY1000 " ZYLIN_VERSION " " ZYLIN_DATE " " ZYLIN_TIME +#define ZYLIN_CONFIG_DIR "/config/settings" + +void diag_write(char *buf, int len) +{ + int j; + for (j = 0; j < len; j++) + { + diag_printf("%c", buf[j]); + } +} + +static bool serialLog = true; +static bool writeLog = true; + + +struct FastLoad +{ + u32 address; + u8 *data; + int length; + +}; + +static int fastload_num; +static struct FastLoad *fastload; + +static void free_fastload() +{ + if (fastload!=NULL) + { + int i; + for (i=0; i<fastload_num; i++) + { + if (fastload[i].data) + free(fastload[i].data); + } + free(fastload); + fastload=NULL; + } +} + + +int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + u8 *buffer; + u32 buf_cnt; + u32 image_size; + u32 min_address=0; + u32 max_address=0xffffffff; + int i; + int retval; + + image_t image; + + duration_t duration; + char *duration_text; + + if ((argc < 1)||(argc > 5)) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */ + if (argc >= 2) + { + image.base_address_set = 1; + image.base_address = strtoul(args[1], NULL, 0); + } + else + { + image.base_address_set = 0; + } + + + image.start_address_set = 0; + + if (argc>=4) + { + min_address=strtoul(args[3], NULL, 0); + } + if (argc>=5) + { + max_address=strtoul(args[4], NULL, 0)+min_address; + } + + if (min_address>max_address) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + duration_start_measure(&duration); + + if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK) + { + return ERROR_OK; + } + + image_size = 0x0; + retval = ERROR_OK; + fastload_num=image.num_sections; + fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections); + if (fastload==NULL) + { + image_close(&image); + return ERROR_FAIL; + } + memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections); + for (i = 0; i < image.num_sections; i++) + { + buffer = malloc(image.sections[i].size); + if (buffer == NULL) + { + command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size); + break; + } + + if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK) + { + free(buffer); + break; + } + + u32 offset=0; + u32 length=buf_cnt; + + + /* DANGER!!! beware of unsigned comparision here!!! */ + + if ((image.sections[i].base_address+buf_cnt>=min_address)&& + (image.sections[i].base_address<max_address)) + { + if (image.sections[i].base_address<min_address) + { + /* clip addresses below */ + offset+=min_address-image.sections[i].base_address; + length-=offset; + } + + if (image.sections[i].base_address+buf_cnt>max_address) + { + length-=(image.sections[i].base_address+buf_cnt)-max_address; + } + + fastload[i].address=image.sections[i].base_address+offset; + fastload[i].data=malloc(length); + if (fastload[i].data==NULL) + { + free(buffer); + break; + } + memcpy(fastload[i].data, buffer+offset, length); + fastload[i].length=length; + + image_size += length; + command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset); + } + + free(buffer); + } + + duration_stop_measure(&duration, &duration_text); + if (retval==ERROR_OK) + { + command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text); + } + free(duration_text); + + image_close(&image); + + if (retval!=ERROR_OK) + { + free_fastload(); + } + + return retval; +} + +int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc>0) + return ERROR_COMMAND_SYNTAX_ERROR; + if (fastload==NULL) + { + LOG_ERROR("No image in memory"); + return ERROR_FAIL; + } + int i; + int ms=timeval_ms(); + int size=0; + for (i=0; i<fastload_num;i++) + { + int retval; + target_t *target = get_current_target(cmd_ctx); + if ((retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data)) != ERROR_OK) + { + return retval; + } + size+=fastload[i].length; + } + int after=timeval_ms(); + command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0)); + return ERROR_OK; +} + + +/* Give TELNET a way to find out what version this is */ +int handle_zy1000_version_command(struct command_context_s *cmd_ctx, char *cmd, + char **args, int argc) +{ + if (argc > 1) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + if (argc == 0) + { + command_print(cmd_ctx, ZYLIN_OPENOCD_VERSION); + } else if (strcmp("openocd", args[0])==0) + { + command_print(cmd_ctx, "%d", ZYLIN_OPENOCD); + } else if (strcmp("zy1000", args[0])==0) + { + command_print(cmd_ctx, "%s", ZYLIN_VERSION); + } else if (strcmp("date", args[0])==0) + { + command_print(cmd_ctx, "%s", ZYLIN_DATE); + } else + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + return ERROR_OK; +} + +extern flash_driver_t *flash_drivers[]; +extern target_type_t *target_types[]; + +#ifdef CYGPKG_PROFILE_GPROF +#include <cyg/profile/profile.h> + +extern char _stext, _etext; // Defined by the linker + +void start_profile(void) +{ + // This starts up the system-wide profiling, gathering + // profile information on all of the code, with a 16 byte + // "bucket" size, at a rate of 100us/profile hit. + // Note: a bucket size of 16 will give pretty good function + // resolution. Much smaller and the buffer becomes + // much too large for very little gain. + // Note: a timer period of 100us is also a reasonable + // compromise. Any smaller and the overhead of + // handling the timter (profile) interrupt could + // swamp the system. A fast processor might get + // by with a smaller value, but a slow one could + // even be swamped by this value. If the value is + // too large, the usefulness of the profile is reduced. + + // no more interrupts than 1/10ms. + // profile_on(&_stext, &_etext, 16, 10000); // DRAM + //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM + profile_on(0, &_etext, 16, 10000); // SRAM & DRAM +} +#endif + +// launch GDB server if a config file exists +bool zylinjtag_parse_config_file(struct command_context_s *cmd_ctx, const char *config_file_name) +{ + bool foundFile = false; + FILE *config_file = NULL; + command_print(cmd_ctx, "executing config file %s", config_file_name); + config_file = fopen(config_file_name, "r"); + if (config_file) + { + fclose(config_file); + int retval; + retval = command_run_linef(cmd_ctx, "script %s", config_file_name); + if (retval == ERROR_OK) + { + foundFile = true; + } + else + { + command_print(cmd_ctx, "Failed executing %s %d", config_file_name, retval); + } + } + else + { + command_print(cmd_ctx, "No %s found", config_file_name); + } + + return foundFile; +} + +extern int eth0_up; +static FILE *log; + +static char reboot_stack[2048]; + + +static void +zylinjtag_reboot(cyg_addrword_t data) +{ + serialLog = true; + diag_printf("Rebooting in 100 ticks..\n"); + cyg_thread_delay(100); + diag_printf("Unmounting /config..\n"); + umount("/config"); + diag_printf("Rebooting..\n"); + HAL_PLATFORM_RESET(); +} +static cyg_thread zylinjtag_thread_object; +static cyg_handle_t zylinjtag_thread_handle; + +void reboot(void) +{ + cyg_thread_create(1, + zylinjtag_reboot, + (cyg_addrword_t)0, + "reboot Thread", + (void *)reboot_stack, + sizeof(reboot_stack), + &zylinjtag_thread_handle, + &zylinjtag_thread_object); + cyg_thread_resume(zylinjtag_thread_handle); +} + +int configuration_output_handler(struct command_context_s *context, const char* line) +{ + diag_printf("%s", line); + + return ERROR_OK; +} + +int zy1000_configuration_output_handler_log(struct command_context_s *context, const char* line) +{ + LOG_USER_N("%s", line); + + return ERROR_OK; +} + +int handle_rm_command(struct command_context_s *cmd_ctx, char *cmd, + char **args, int argc) +{ + if (argc != 1) + { + command_print(cmd_ctx, "rm <filename>"); + return ERROR_INVALID_ARGUMENTS; + } + + if (unlink(args[0]) != 0) + { + command_print(cmd_ctx, "failed: %d", errno); + } + + return ERROR_OK; +} + +int loadFile(const char *fileName, void **data, int *len); + +int handle_cat_command(struct command_context_s *cmd_ctx, char *cmd, + char **args, int argc) +{ + if (argc != 1) + { + command_print(cmd_ctx, "cat <filename>"); + return ERROR_INVALID_ARGUMENTS; + } + + // NOTE!!! we only have line printing capability so we print the entire file as a single line. + void *data; + int len; + + int retval = loadFile(args[0], &data, &len); + if (retval == ERROR_OK) + { + command_print(cmd_ctx, "%s", data); + free(data); + } + else + { + command_print(cmd_ctx, "%s not found %d", args[0], retval); + } + + return ERROR_OK; +} +int handle_trunc_command(struct command_context_s *cmd_ctx, char *cmd, + char **args, int argc) +{ + if (argc != 1) + { + command_print(cmd_ctx, "trunc <filename>"); + return ERROR_INVALID_ARGUMENTS; + } + + FILE *config_file = NULL; + config_file = fopen(args[0], "w"); + if (config_file != NULL) + fclose(config_file); + + return ERROR_OK; +} + + +int handle_meminfo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + static int prev = 0; + struct mallinfo info; + + if (argc != 0) + { + command_print(cmd_ctx, "meminfo"); + return ERROR_INVALID_ARGUMENTS; + } + + info = mallinfo(); + + if (prev > 0) + { + command_print(cmd_ctx, "Diff: %d", prev - info.fordblks); + } + prev = info.fordblks; + + command_print(cmd_ctx, "Available ram: %d", info.fordblks ); + + return ERROR_OK; +} + +static bool savePower; + +static void setPower(bool power) +{ + savePower = power; + if (power) + { + HAL_WRITE_UINT32(0x08000014, 0x8); + } else + { + HAL_WRITE_UINT32(0x08000010, 0x8); + } +} + +int handle_power_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc > 1) + { + return ERROR_INVALID_ARGUMENTS; + } + + if (argc == 1) + { + if (strcmp(args[0], "on") == 0) + { + setPower(1); + } + else if (strcmp(args[0], "off") == 0) + { + setPower(0); + } else + { + command_print(cmd_ctx, "arg is \"on\" or \"off\""); + return ERROR_INVALID_ARGUMENTS; + } + } + + command_print(cmd_ctx, "Target power %s", savePower ? "on" : "off"); + + return ERROR_OK; +} + +int handle_append_command(struct command_context_s *cmd_ctx, char *cmd, + char **args, int argc) +{ + if (argc < 1) + { + command_print(cmd_ctx, + "append <filename> [<string1>, [<string2>, ...]]"); + return ERROR_INVALID_ARGUMENTS; + } + + FILE *config_file = NULL; + config_file = fopen(args[0], "a"); + if (config_file != NULL) + { + int i; + fseek(config_file, 0, SEEK_END); + + for (i = 1; i < argc; i++) + { + fwrite(args[i], strlen(args[i]), 1, config_file); + if (i != argc - 1) + { + fwrite(" ", 1, 1, config_file); + } + } + fwrite("\n", 1, 1, config_file); + fclose(config_file); + } + + return ERROR_OK; +} + +extern int telnet_socket; + +int readMore(int fd, void *data, int length) +{ + /* used in select() */ + fd_set read_fds; + + /* monitor sockets for acitvity */ + int fd_max = 1; + FD_ZERO(&read_fds); + /* listen for new connections */ + FD_SET(fd, &read_fds); + + // Maximum 5 seconds. + struct timeval tv; + tv.tv_sec = 5; + tv.tv_usec = 0; + + int retval = select(fd_max + 1, &read_fds, NULL, NULL, &tv); + if (retval == 0) + { + diag_printf("Timed out waiting for binary payload\n"); + return -1; + } + if (retval != 1) + return -1; + + return read_socket(fd, data, length); +} + +int readAll(int fd, void *data, int length) +{ + int pos = 0; + for (;;) + { + int actual = readMore(fd, ((char *) data) + pos, length - pos); + // diag_printf("Read %d bytes(pos=%d, length=%d)\n", actual, pos, length); + if (actual <= 0) + return -1; + pos += actual; + if (pos == length) + break; + } + return length; +} + +int handle_peek_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + cyg_uint32 value; + if (argc != 1) + { + return ERROR_INVALID_ARGUMENTS; + } + HAL_READ_UINT32(strtoul(args[0], NULL, 0), value); + command_print(cmd_ctx, "0x%x : 0x%x", strtoul(args[0], NULL, 0), value); + return ERROR_OK; +} + +int handle_poke_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc != 2) + { + return ERROR_INVALID_ARGUMENTS; + } + HAL_WRITE_UINT32(strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0)); + return ERROR_OK; +} + +int handle_cp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc != 2) + { + return ERROR_INVALID_ARGUMENTS; + } + + // NOTE!!! we only have line printing capability so we print the entire file as a single line. + void *data; + int len; + + int retval = loadFile(args[0], &data, &len); + if (retval != ERROR_OK) + return retval; + + FILE *f = fopen(args[1], "wb"); + if (f == NULL) + retval = ERROR_INVALID_ARGUMENTS; + + int pos = 0; + for (;;) + { + int chunk = len - pos; + static const int maxChunk = 512 * 1024; // ~1/sec + if (chunk > maxChunk) + { + chunk = maxChunk; + } + + if ((retval==ERROR_OK)&&(fwrite(((char *)data)+pos, 1, chunk, f)!=chunk)) + retval = ERROR_INVALID_ARGUMENTS; + + if (retval != ERROR_OK) + { + break; + } + + command_print(cmd_ctx, "%d", len - pos); + + pos += chunk; + + if (pos == len) + break; + } + + if (retval == ERROR_OK) + { + command_print(cmd_ctx, "Copied %s to %s", args[0], args[1]); + } else + { + command_print(cmd_ctx, "Failed: %d", retval); + } + + if (data != NULL) + free(data); + if (f != NULL) + fclose(f); + + if (retval != ERROR_OK) + unlink(args[1]); + + return retval; +} + +#ifdef CYGPKG_PROFILE_GPROF +extern void start_profile(); + +int eCosBoard_handle_eCosBoard_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + command_print(cmd_ctx, "Profiling started"); + start_profile(); + return ERROR_OK; +} + +#endif + +externC void phi_init_all_network_interfaces(); + +command_context_t *cmd_ctx; + +static bool webRunning = false; + +void keep_webserver() +{ + // Target initialisation is only attempted at startup, so we sleep forever and + // let the http server bail us out(i.e. get config files set up). + diag_printf("OpenOCD has invoked exit().\n" + "Use web server to correct any configuration settings and reboot.\n"); + if (!webRunning) + reboot(); + + // exit() will terminate the current thread and we we'll then sleep eternally or + // we'll have a reboot scheduled. +} + +extern void printDccChar(char c); + +static char logBuffer[128 * 1024]; +static const int logSize = sizeof(logBuffer); +int writePtr = 0; +int logCount = 0; + +void _zylinjtag_diag_write_char(char c, void **param) +{ + if (writeLog) + { + logBuffer[writePtr] = c; + writePtr = (writePtr + 1) % logSize; + logCount++; + } + if (serialLog) + { + if (c == '\n') + { + HAL_DIAG_WRITE_CHAR('\r'); + } + HAL_DIAG_WRITE_CHAR(c); + } + + printDccChar(c); +} + +#define SHOW_RESULT(a, b) diag_printf(#a " failed %d\n", (int)b) + +#define IOSIZE 512 +static void copyfile(char *name2, char *name1) +{ + + int err; + char buf[IOSIZE]; + int fd1, fd2; + ssize_t done, wrote; + + fd1 = open(name1, O_WRONLY | O_CREAT); + if (fd1 < 0) + SHOW_RESULT( open, fd1 ); + + fd2 = open(name2, O_RDONLY); + if (fd2 < 0) + SHOW_RESULT( open, fd2 ); + + for (;;) + { + done = read(fd2, buf, IOSIZE ); + if (done < 0) + { + SHOW_RESULT( read, done ); + break; + } + + if( done == 0 ) break; + + wrote = write(fd1, buf, done); + if( wrote != done ) SHOW_RESULT( write, wrote ); + + if( wrote != done ) break; + } + + err = close(fd1); + if( err < 0 ) SHOW_RESULT( close, err ); + + err = close(fd2); + if( err < 0 ) SHOW_RESULT( close, err ); + +} +static void copydir(char *name) +{ + int err; + DIR *dirp; + + mkdir("/ram/cgi", 0777); + + dirp = opendir(name); + if( dirp == NULL ) SHOW_RESULT( opendir, -1 ); + + for (;;) + { + struct dirent *entry = readdir(dirp); + + if (entry == NULL) + break; + + if (strcmp(entry->d_name, ".") == 0) + continue; + if (strcmp(entry->d_name, "..") == 0) + continue; + + bool isDir = false; + struct stat buf; + char fullPath[PATH_MAX]; + strncpy(fullPath, name, PATH_MAX); + strcat(fullPath, "/"); + strncat(fullPath, entry->d_name, PATH_MAX - strlen(fullPath)); + + if (stat(fullPath, &buf) == -1) + { + diag_printf("unable to read status from %s", fullPath); + break; + } + isDir = S_ISDIR(buf.st_mode) != 0; + + if (isDir) + continue; + + // diag_printf("<INFO>: entry %14s",entry->d_name); + char fullname[PATH_MAX]; + char fullname2[PATH_MAX]; + + strcpy(fullname, name); + strcat(fullname, entry->d_name); + + strcpy(fullname2, "/ram/cgi/"); + strcat(fullname2, entry->d_name); + // diag_printf("from %s to %s\n", fullname, fullname2); + copyfile(fullname, fullname2); + + // diag_printf("\n"); + } + + err = closedir(dirp); + if( err < 0 ) SHOW_RESULT( stat, err ); +} + +#if 0 +MTAB_ENTRY( romfs_mte1, + "/rom", + "romfs", + "", + (CYG_ADDRWORD) &filedata[0] ); +#endif + +void openocd_sleep_prelude() +{ + cyg_mutex_unlock(&httpstate.jim_lock); +} + +void openocd_sleep_postlude() +{ + cyg_mutex_lock(&httpstate.jim_lock); +} + +static int +zylinjtag_Jim_Command_rm(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + int del; + if (argc != 2) + { + Jim_WrongNumArgs(interp, 1, argv, "rm ?dirorfile?"); + return JIM_ERR; + } + + del = 0; + if (unlink(Jim_GetString(argv[1], NULL)) == 0) + del = 1; + if (rmdir(Jim_GetString(argv[1], NULL)) == 0) + del = 1; + + return del ? JIM_OK : JIM_ERR; +} + +static int +zylinjtag_Jim_Command_ls(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + if (argc != 2) + { + Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?"); + return JIM_ERR; + } + + char *name = (char*) Jim_GetString(argv[1], NULL); + + DIR *dirp = NULL; + dirp = opendir(name); + if (dirp == NULL) + { + return JIM_ERR; + } + Jim_Obj *objPtr = Jim_NewListObj(interp, NULL, 0); + + for (;;) + { + struct dirent *entry = NULL; + entry = readdir(dirp); + if (entry == NULL) + break; + + if ((strcmp(".", entry->d_name)==0)||(strcmp("..", entry->d_name)==0)) + continue; + + Jim_ListAppendElement(interp, objPtr, Jim_NewStringObj(interp, entry->d_name, strlen(entry->d_name))); + } + closedir(dirp); + + Jim_SetResult(interp, objPtr); + + return JIM_OK; +} + + +static int +zylinjtag_Jim_Command_getmem(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + if (argc != 3) + { + Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?"); + return JIM_ERR; + } + + long address; + long length; + if (Jim_GetLong(interp, argv[1], &address) != JIM_OK) + return JIM_ERR; + if (Jim_GetLong(interp, argv[2], &length) != JIM_OK) + return JIM_ERR; + + if (length < 0 && length > (4096 * 1024)) + { + Jim_WrongNumArgs(interp, 1, argv, "getmem ?dir?"); + return JIM_ERR; + } + + void *mem = malloc(length); + if (mem == NULL) + return JIM_ERR; + + target_t *target = get_current_target(cmd_ctx); + + int retval; + int size = 1; + int count = length; + if ((address % 4 == 0) && (count % 4 == 0)) + { + size = 4; + count /= 4; + } + + if ((retval = target->type->read_memory(target, address, size, count, mem)) != ERROR_OK) + { + free(mem); + return JIM_ERR; + } + + Jim_Obj *objPtr = Jim_NewStringObj(interp, mem, length); + Jim_SetResult(interp, objPtr); + + free(mem); + + return JIM_OK; +} + +static int +zylinjtag_Jim_Command_peek(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + if (argc != 2) + { + Jim_WrongNumArgs(interp, 1, argv, "peek ?address?"); + return JIM_ERR; + } + + long address; + if (Jim_GetLong(interp, argv[1], &address) != JIM_OK) + return JIM_ERR; + + int value = *((volatile int *) address); + + Jim_SetResult(interp, Jim_NewIntObj(interp, value)); + + return JIM_OK; +} + +static int +zylinjtag_Jim_Command_poke(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + if (argc != 3) + { + Jim_WrongNumArgs(interp, 1, argv, "poke ?address? ?value?"); + return JIM_ERR; + } + + long address; + if (Jim_GetLong(interp, argv[1], &address) != JIM_OK) + return JIM_ERR; + long value; + if (Jim_GetLong(interp, argv[2], &value) != JIM_OK) + return JIM_ERR; + + *((volatile int *) address) = value; + + return JIM_OK; +} + + + +static int +zylinjtag_Jim_Command_flash(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + int retval; + u32 base = 0; + flash_bank_t *t = get_flash_bank_by_num_noprobe(0); + if (t != NULL) + { + base = t->base; + retval = JIM_OK; + } else + { + retval = JIM_ERR; + } + + if (retval == JIM_OK) + { + Jim_SetResult(interp, Jim_NewIntObj(interp, base)); + } + + return retval; +} + + + + + +static int +zylinjtag_Jim_Command_log(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0); + + if (logCount >= logSize) + { + Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer+logCount%logSize, logSize-logCount%logSize); + } + Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr); + + Jim_SetResult(interp, tclOutput); + return JIM_OK; +} + +static int +zylinjtag_Jim_Command_reboot(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + reboot(); + return JIM_OK; +} + +static int +zylinjtag_Jim_Command_mac(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + int s; + struct ifreq ifr; + s = socket(AF_INET, SOCK_DGRAM, 0); + if (s >= 0) + { + strcpy(ifr.ifr_name, "eth0"); + int res; + res = ioctl(s, SIOCGIFHWADDR, &ifr); + close(s); + + if (res < 0) + { + return JIM_OK; + } + } + + Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0); + + char hwaddr[512]; + sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x", + (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0], + (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1], + (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2], + (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3], + (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4], + (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]); + + Jim_AppendString(httpstate.jim_interp, tclOutput, hwaddr, strlen(hwaddr)); + + Jim_SetResult(interp, tclOutput); + + return JIM_OK; +} + +static int +zylinjtag_Jim_Command_ip(Jim_Interp *interp, + int argc, + Jim_Obj * const *argv) +{ + Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0); + + struct ifaddrs *ifa = NULL, *ifp = NULL; + + if (getifaddrs(&ifp) < 0) + { + return JIM_ERR; + } + + for (ifa = ifp; ifa; ifa = ifa->ifa_next) + { + char ip[200]; + socklen_t salen; + + if (ifa->ifa_addr->sa_family == AF_INET) + salen = sizeof(struct sockaddr_in); + else if (ifa->ifa_addr->sa_family == AF_INET6) + salen = sizeof(struct sockaddr_in6); + else + continue; + + if (getnameinfo(ifa->ifa_addr, salen, ip, sizeof(ip), NULL, 0, + NI_NUMERICHOST) < 0) + { + continue; + } + + Jim_AppendString(httpstate.jim_interp, tclOutput, ip, strlen(ip)); + break; + + } + + freeifaddrs(ifp); + + Jim_SetResult(interp, tclOutput); + + return JIM_OK; +} + +extern Jim_Interp *interp; + +static void zylinjtag_startNetwork() +{ + // Bring TCP/IP up immediately before we're ready to accept commands. + // + // That is as soon as a PING responds, we're accepting telnet sessions. +#if defined(CYGPKG_NET_FREEBSD_STACK) + phi_init_all_network_interfaces(); +#else + lwip_init(); +#endif + if (!eth0_up) + { + diag_printf("Network not up and running\n"); + exit(-1); + } +#if defined(CYGPKG_NET_FREEBSD_STACK) + /*start TFTP*/ + tftpd_start(69, &fileops); +#endif + + cyg_httpd_init_tcl_interpreter(); + + interp = httpstate.jim_interp; + + Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log, NULL, NULL); + Jim_CreateCommand(httpstate.jim_interp, "reboot", zylinjtag_Jim_Command_reboot, NULL, NULL); + Jim_CreateCommand(httpstate.jim_interp, "peek", zylinjtag_Jim_Command_peek, NULL, NULL); + Jim_CreateCommand(httpstate.jim_interp, "zy1000_flash", zylinjtag_Jim_Command_flash, NULL, NULL); + Jim_CreateCommand(httpstate.jim_interp, "poke", zylinjtag_Jim_Command_poke, NULL, NULL); + Jim_CreateCommand(httpstate.jim_interp, "ls", zylinjtag_Jim_Command_ls, NULL, NULL); + Jim_CreateCommand(httpstate.jim_interp, "getmem", zylinjtag_Jim_Command_getmem, NULL, NULL); + Jim_CreateCommand(httpstate.jim_interp, "mac", zylinjtag_Jim_Command_mac, NULL, NULL); + Jim_CreateCommand(httpstate.jim_interp, "ip", zylinjtag_Jim_Command_ip, NULL, NULL); + Jim_CreateCommand(httpstate.jim_interp, "rm", zylinjtag_Jim_Command_rm, NULL, NULL); + + cyg_httpd_start(); + + webRunning = true; + + diag_printf("Web server running\n"); +} + +static bool readPowerDropout() +{ + cyg_uint32 state; + // sample and clear power dropout + HAL_WRITE_UINT32(0x08000010, 0x80); + HAL_READ_UINT32(0x08000010, state); + bool powerDropout; + powerDropout = (state & 0x80) != 0; + return powerDropout; +} + +bool readSRST() +{ + cyg_uint32 state; + // sample and clear SRST sensing + HAL_WRITE_UINT32(0x08000010, 0x00000040); + HAL_READ_UINT32(0x08000010, state); + bool srstAsserted; + srstAsserted = (state & 0x40) != 0; + return srstAsserted; +} + +// every 300ms we check for reset & powerdropout and issue a "reset halt" if +// so. + + +static int sense_handler(void *priv) +{ + struct command_context_s *cmd_ctx; + cmd_ctx = (struct command_context_s *) priv; + + static bool prevSrstAsserted = false; + static bool prevPowerdropout = false; + + bool powerDropout; + powerDropout = readPowerDropout(); + + bool powerRestored; + powerRestored = prevPowerdropout && !powerDropout; + if (powerRestored) + { + LOG_USER("Sensed power restore."); + } + + cyg_tick_count_t current = cyg_current_time(); + static cyg_tick_count_t lastPower = 0; + bool waitMore = lastPower + 200 > current; + if (powerDropout && !waitMore) + { + LOG_USER("Sensed power dropout."); + lastPower = current; + } + + bool srstAsserted = readSRST(); + + bool srstDeasserted; + srstDeasserted = prevSrstAsserted && !srstAsserted; + + static cyg_tick_count_t lastSrst = 0; + waitMore = lastSrst + 200 > current; + if (srstDeasserted && !waitMore) + { + LOG_USER("Sensed nSRST deasserted"); + lastSrst = current; + } + + if (!prevSrstAsserted && srstAsserted) + { + LOG_USER("Sensed nSRST asserted"); + } + + prevSrstAsserted = srstAsserted; + prevPowerdropout = powerDropout; + + if (srstDeasserted || powerRestored) + { + /* Other than logging the event we can't do anything here. + * Issuing a reset is a particularly bad idea as we might + * be inside a reset already. + */ + } + + return ERROR_OK; +} + + + +static void +print_exception_handler(cyg_addrword_t data, cyg_code_t exception, cyg_addrword_t info) +{ + writeLog = false; + serialLog = true; + char *infoStr = "unknown"; + switch (exception) + { + case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION: + infoStr = "undefined instruction"; + break; + case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT: + infoStr = "software interrupt"; + break; + case CYGNUM_HAL_VECTOR_ABORT_PREFETCH: + infoStr = "abort prefetch"; + break; + case CYGNUM_HAL_VECTOR_ABORT_DATA: + infoStr = "abort data"; + break; + default: + break; + } + + diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info); + + diag_printf("Dumping log\n---\n"); + if (logCount >= logSize) + { + diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize); + } + diag_write(logBuffer, writePtr); + + diag_printf("---\nLogdump complete.\n"); + diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info); + diag_printf("\n---\nRebooting\n"); + HAL_PLATFORM_RESET(); + +} + +static void setHandler(cyg_code_t exception) +{ + cyg_exception_handler_t *old_handler; + cyg_addrword_t old_data; + + cyg_exception_set_handler(exception, + print_exception_handler, + 0, + &old_handler, + &old_data); +} + +static cyg_thread zylinjtag_uart_thread_object; +static cyg_handle_t zylinjtag_uart_thread_handle; +static char uart_stack[4096]; + +static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!! +static char backwardBuffer[1024]; + +static cyg_io_handle_t serial_handle; + +void setNoDelay(int session, int flag) +{ +#if 1 + // This decreases latency dramatically for e.g. GDB load which + // does not have a sliding window protocol + // + // Can cause *lots* of TCP/IP packets to be sent and it would have + // to be enabled/disabled on the fly to avoid the CPU being + // overloaded... + setsockopt(session, /* socket affected */ + IPPROTO_TCP, /* set option at TCP level */ + TCP_NODELAY, /* name of option */ + (char *) &flag, /* the cast is historical + cruft */ + sizeof(int)); /* length of option value */ +#endif +} + +struct +{ + int req; + int actual; + int req2; + int actual2; +} tcpipSent[512 * 1024]; +int cur; + +static void +zylinjtag_uart(cyg_addrword_t data) +{ + int so_reuseaddr_option = 1; + + int fd; + if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1) + { + LOG_ERROR("error creating socket: %s", strerror(errno)); + exit(-1); + } + + setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&so_reuseaddr_option, sizeof(int)); + + struct sockaddr_in sin; + unsigned int address_size; + address_size = sizeof(sin); + memset(&sin, 0, sizeof(sin)); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = INADDR_ANY; + sin.sin_port = htons(5555); + + if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1) + { + LOG_ERROR("couldn't bind to socket: %s", strerror(errno)); + exit(-1); + } + + if (listen(fd, 1) == -1) + { + LOG_ERROR("couldn't listen on socket: %s", strerror(errno)); + exit(-1); + } + // socket_nonblock(fd); + + + for (;;) + { + int session = accept(fd, (struct sockaddr *) &sin, &address_size); + if (session < 0) + { + continue; + } + + setNoDelay(session, 1); + int oldopts = fcntl(session, F_GETFL, 0); + fcntl(session, F_SETFL, oldopts | O_NONBLOCK); // + + int serHandle = open("/dev/ser0", O_RDWR | O_NONBLOCK); + if (serHandle < 0) + { + close(session); + continue; + } + + start_profile(); + int actual = 0; + int actual2 = 0; + int pos, pos2; + pos = 0; + pos2 = 0; + cur = 0; + for (;;) + { + fd_set write_fds; + fd_set read_fds; + FD_ZERO(&write_fds); + FD_ZERO(&read_fds); + int fd_max = -1; + FD_SET(session, &read_fds); + fd_max = session; + FD_SET(serHandle, &read_fds); + if (serHandle > fd_max) + { + fd_max = serHandle; + } + /* Wait... */ + + cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received + if ((actual == 0) && (actual2 == 0)) + { + int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL); + if (retval <= 0) + { + break; + } + } + + if (actual2 <= 0) + { + memset(backwardBuffer, 's', sizeof(backwardBuffer)); + actual2=read(serHandle, backwardBuffer, sizeof(backwardBuffer)); + if (actual2 < 0) + { + if (errno != EAGAIN) + { + goto closeSession; + } + actual2 = 0; + } + pos2 = 0; + } + + int x = actual2; + int y = 0; + if (actual2 > 0) + { + int written = write(session, backwardBuffer + pos2, actual2); + if (written <= 0) + goto closeSession; + actual2 -= written; + pos2 += written; + y = written; + } + + if (FD_ISSET(session, &read_fds)&&(sizeof(forwardBuffer)>actual)) + { + // NB! Here it is important that we empty the TCP/IP read buffer + // to make transmission tick right + memmove(forwardBuffer, forwardBuffer + pos, actual); + pos = 0; + int t; + // this will block if there is no data at all + t=read_socket(session, forwardBuffer+actual, sizeof(forwardBuffer)-actual); + if (t <= 0) + { + goto closeSession; + } + actual += t; + } + + int x2 = actual; + int y2 = 0; + if (actual > 0) + { + /* Do not put things into the serial buffer if it has something to send + * as that can cause a single byte to be sent at the time. + * + * + */ + int written = write(serHandle, forwardBuffer + pos, actual); + if (written < 0) + { + if (errno != EAGAIN) + { + goto closeSession; + } + // The serial buffer is full + written = 0; + } else + { + actual -= written; + pos += written; + } + y2 = written; + } + if (cur < 1024) + { + tcpipSent[cur].req = x; + tcpipSent[cur].actual = y; + tcpipSent[cur].req2 = x2; + tcpipSent[cur].actual2 = y2; + cur++; + } + + } + closeSession: + close(session); + close(serHandle); + + int i; + for (i = 0; i < 1024; i++) + { + diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual, tcpipSent[i].req2, tcpipSent[i].actual2); + + } + } + close(fd); + +} + +void startUart(void) +{ + cyg_thread_create(1, + zylinjtag_uart, + (cyg_addrword_t)0, + "uart thread", + (void *)uart_stack, + sizeof(uart_stack), + &zylinjtag_uart_thread_handle, + &zylinjtag_uart_thread_object); + cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop + cyg_thread_resume(zylinjtag_uart_thread_handle); +} + + + +int handle_uart_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc != 1) + { + command_print(cmd_ctx, "usage: uart <baudrate>"); + return ERROR_INVALID_ARGUMENTS; + } + + int baud = atol(args[0]); + + switch (baud) + { + case 9600: + baud = CYGNUM_SERIAL_BAUD_9600; + break; + case 19200: + baud = CYGNUM_SERIAL_BAUD_19200; + break; + case 38400: + baud = CYGNUM_SERIAL_BAUD_38400; + break; + case 57600: + baud = CYGNUM_SERIAL_BAUD_57600; + break; + case 115200: + baud = CYGNUM_SERIAL_BAUD_115200; + break; + case 230400: + baud = CYGNUM_SERIAL_BAUD_230400; + break; + default: + command_print(cmd_ctx, "unsupported baudrate"); + return ERROR_INVALID_ARGUMENTS; + } + + cyg_serial_info_t buf; + cyg_uint32 len = 1; + //get existing serial configuration + len = sizeof(cyg_serial_info_t); + int err; + err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len); + err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf, &len); + if (err != ENOERR) + { + command_print(cmd_ctx, "Failed to get serial port settings %d", err); + return ERROR_OK; + } + buf.baud = baud; + + err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf, &len); + if (err != ENOERR) + { + command_print(cmd_ctx, "Failed to set serial port settings %d", err); + return ERROR_OK; + } + + return ERROR_OK; +} + +bool logAllToSerial = false; + +/* boolean parameter stored on config */ +bool boolParam(char *var) +{ + bool result = false; + char *name = alloc_printf(ZYLIN_CONFIG_DIR "/%s", var); + if (name == NULL) + return result; + + void *data; + int len; + if (loadFile(name, &data, &len) == ERROR_OK) + { + if (len > 1) + len = 1; + result = strncmp((char *) data, "1", len) == 0; + free(data); + } + free(name); + return result; +} + +command_context_t *setup_command_handler(); + +int add_default_dirs(void) +{ + add_script_search_dir(ZYLIN_CONFIG_DIR); + add_script_search_dir("/rom/lib/openocd"); + add_script_search_dir("/rom"); + return ERROR_OK; +} + +int main(int argc, char *argv[]) +{ + setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION); + setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH); + setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA); + + int err; + err = cyg_io_lookup("/dev/ser0", &serial_handle); + if (err != ENOERR) + { + diag_printf("/dev/ser0 not found\n"); + reboot(); + } + + setPower(true); // on by default + + atexit(keep_webserver); + + err = mount("", "/ram", "ramfs"); + if (err < 0) + { + diag_printf("unable to mount ramfs\n"); + } + chdir("/ram"); + + char address[16]; + sprintf(address, "%p", &filedata[0]); + err = mount(address, "/rom", "romfs"); + if (err < 0) + { + diag_printf("unable to mount /rom\n"); + } + + err = mount("", "/log", "logfs"); + if (err < 0) + { + diag_printf("unable to mount logfs\n"); + } + + err = mount("", "/tftp", "tftpfs"); + if (err < 0) + { + diag_printf("unable to mount logfs\n"); + } + + log = fopen("/log/log", "w"); + if (log == NULL) + { + diag_printf("Could not open log file /ram/log\n"); + exit(-1); + } + + diag_init_putc(_zylinjtag_diag_write_char); + + // We want this in the log. + diag_printf("Zylin ZY1000. Copyright Zylin AS 2007-2008.\n"); + diag_printf("%s\n", ZYLIN_OPENOCD_VERSION); + + copydir("/rom/"); + + err = mount("/dev/flash1", "/config", "jffs2"); + if (err < 0) + { + diag_printf("unable to mount jffs\n"); + } + + + mkdir(ZYLIN_CONFIG_DIR, 0777); + mkdir(ZYLIN_CONFIG_DIR "/target", 0777); + mkdir(ZYLIN_CONFIG_DIR "/event", 0777); + + logAllToSerial = boolParam("logserial"); + + // We need the network & web server in case there is something wrong with + // the config files that invoke exit() + zylinjtag_startNetwork(); + + /* we're going to access the jim interpreter from here on... */ + openocd_sleep_postlude(); + startUart(); + + add_default_dirs(); + + /* initialize commandline interface */ + command_context_t *cmd_ctx; + cmd_ctx = setup_command_handler(); + command_set_output_handler(cmd_ctx, configuration_output_handler, NULL); + command_context_mode(cmd_ctx, COMMAND_CONFIG); + + + register_command(cmd_ctx, NULL, "zy1000_version", handle_zy1000_version_command, + COMMAND_EXEC, "show zy1000 version numbers"); + + register_command(cmd_ctx, NULL, "rm", handle_rm_command, COMMAND_ANY, + "rm <filname>"); + + register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY, + "same args as load_image, image stored in memory"); + + register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY, + "loads active fast load image to current target"); + + register_command(cmd_ctx, NULL, "cat", handle_cat_command, COMMAND_ANY, + "cat <filname>"); + + register_command(cmd_ctx, NULL, "trunc", handle_trunc_command, COMMAND_ANY, + "trunc <filname>"); + + register_command(cmd_ctx, NULL, "append_file", handle_append_command, + COMMAND_ANY, "append <filname>"); + + register_command(cmd_ctx, NULL, "power", handle_power_command, COMMAND_ANY, + "power <on/off> - turn power switch to target on/off. No arguments - print status."); + + register_command(cmd_ctx, NULL, "meminfo", handle_meminfo_command, + COMMAND_ANY, "meminfo"); + + register_command(cmd_ctx, NULL, "cp", handle_cp_command, + COMMAND_ANY, "cp <from> <to>"); + +#ifdef CYGPKG_PROFILE_GPROF + register_command(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command, + COMMAND_ANY, NULL); +#endif + register_command(cmd_ctx, NULL, "uart", handle_uart_command, + COMMAND_ANY, "uart <baud> - forward uart on port 5555"); + + + int errVal; + errVal = log_init(cmd_ctx); + if (errVal != ERROR_OK) + { + diag_printf("log_init() failed %d\n", errVal); + exit(-1); + } + + set_log_output(cmd_ctx, log); + + LOG_DEBUG("log init complete"); + + // diag_printf("Executing config files\n"); + + if (logAllToSerial) + { + diag_printf(ZYLIN_CONFIG_DIR "/logserial=1 => sending log output to serial port using \"debug_level 3\" as default.\n"); + command_run_line(cmd_ctx, "debug_level 3"); + } + + zylinjtag_parse_config_file(cmd_ctx, "/rom/openocd.cfg"); + + target_register_timer_callback(sense_handler, 200, 1, cmd_ctx); + + // FIX!!! Yuk! + // diag_printf() is really invoked from many more places than we trust it + // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*). + // + // Disabling it here is safe and gives us enough logged debug output for now. Crossing + // fingers that it doesn't cause any crashes. + diag_printf("Init complete, GDB & telnet servers launched.\n"); + command_set_output_handler(cmd_ctx, zy1000_configuration_output_handler_log, NULL); + if (!logAllToSerial) + { + serialLog = false; + } + + /* handle network connections */ + server_loop(cmd_ctx); + openocd_sleep_prelude(); + + /* shut server down */ + server_quit(); + + /* free commandline interface */ + command_done(cmd_ctx); + umount("/config"); + + exit(0); + for (;;); +} + + + +cyg_int32 +cyg_httpd_exec_cgi_tcl(char *file_name); +cyg_int32 homeForm(CYG_HTTPD_STATE *p) +{ + cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl"); + return 0; +} + +CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm); + +CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain"); +CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream"); + +#include <pkgconf/system.h> +#include <pkgconf/hal.h> +#include <pkgconf/kernel.h> +#include <pkgconf/io_fileio.h> +#include <pkgconf/fs_rom.h> + +#include <cyg/kernel/ktypes.h> // base kernel types +#include <cyg/infra/cyg_trac.h> // tracing macros +#include <cyg/infra/cyg_ass.h> // assertion macros +#include <unistd.h> +#include <sys/types.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <errno.h> +#include <dirent.h> + +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <cyg/fileio/fileio.h> + +#include <cyg/kernel/kapi.h> +#include <cyg/infra/diag.h> + +//========================================================================== +// Eventually we want to eXecute In Place from the ROM in a protected +// environment, so we'll need executables to be aligned to a boundary +// suitable for MMU protection. A suitable boundary would be the 4k +// boundary in all the CPU architectures I am currently aware of. + +// Forward definitions + +// Filesystem operations +static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte); +static int tftpfs_umount(cyg_mtab_entry *mte); +static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name, + int mode, cyg_file *fte); +static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio); +static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio); + +// File operations +static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode); +static int tftpfs_fo_close(struct CYG_FILE_TAG *fp); +static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence); + +//========================================================================== +// Filesystem table entries + +// ------------------------------------------------------------------------- +// Fstab entry. +// This defines the entry in the filesystem table. +// For simplicity we use _FILESYSTEM synchronization for all accesses since +// we should never block in any filesystem operations. +#if 1 +FSTAB_ENTRY( tftpfs_fste, "tftpfs", 0, + CYG_SYNCMODE_NONE, + tftpfs_mount, + tftpfs_umount, + tftpfs_open, + (cyg_fsop_unlink *)cyg_fileio_erofs, + (cyg_fsop_mkdir *)cyg_fileio_erofs, + (cyg_fsop_rmdir *)cyg_fileio_erofs, + (cyg_fsop_rename *)cyg_fileio_erofs, + (cyg_fsop_link *)cyg_fileio_erofs, + (cyg_fsop_opendir *)cyg_fileio_erofs, + (cyg_fsop_chdir *)cyg_fileio_erofs, + (cyg_fsop_stat *)cyg_fileio_erofs, + (cyg_fsop_getinfo *)cyg_fileio_erofs, + (cyg_fsop_setinfo *)cyg_fileio_erofs); +#endif + +// ------------------------------------------------------------------------- +// mtab entry. +// This defines a single ROMFS loaded into ROM at the configured address +// +// MTAB_ENTRY( rom_mte, // structure name +// "/rom", // mount point +// "romfs", // FIlesystem type +// "", // hardware device +// (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS // Address in ROM +// ); + + +// ------------------------------------------------------------------------- +// File operations. +// This set of file operations are used for normal open files. + +static cyg_fileops tftpfs_fileops = +{ + tftpfs_fo_read, + tftpfs_fo_write, + tftpfs_fo_lseek, + (cyg_fileop_ioctl *)cyg_fileio_erofs, + cyg_fileio_seltrue, + tftpfs_fo_fsync, + tftpfs_fo_close, + (cyg_fileop_fstat *) cyg_fileio_erofs, + (cyg_fileop_getinfo *) cyg_fileio_erofs, + (cyg_fileop_setinfo *)cyg_fileio_erofs, +}; + +// ------------------------------------------------------------------------- +// tftpfs_mount() +// Process a mount request. This mainly finds root for the +// filesystem. + +static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte) +{ + return ENOERR; +} + +static int tftpfs_umount(cyg_mtab_entry *mte) +{ + return ENOERR; +} + +struct Tftp +{ + int write; + int readFile; + cyg_uint8 *mem; + int actual; + char *server; + char *file; +}; + +static void freeTftp(struct Tftp *t) +{ + if (t == NULL) + return; + if (t->mem) + free(t->mem); + if (t->server) + free(t->server); + if (t->file) + free(t->file); + free(t); +} + +static const int tftpMaxSize = 8192 * 1024; +static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name, + int mode, cyg_file *file) +{ + struct Tftp *tftp; + tftp = malloc(sizeof(struct Tftp)); + if (tftp == NULL) + return EMFILE; + memset(tftp, 0, sizeof(struct Tftp)); + + file->f_flag |= mode & CYG_FILE_MODE_MASK; + file->f_type = CYG_FILE_TYPE_FILE; + file->f_ops = &tftpfs_fileops; + file->f_offset = 0; + file->f_data = 0; + file->f_xops = 0; + + tftp->mem = malloc(tftpMaxSize); + if (tftp->mem == NULL) + { + freeTftp(tftp); + return EMFILE; + } + + char *server = strchr(name, '/'); + if (server == NULL) + { + freeTftp(tftp); + return EMFILE; + } + + tftp->server = malloc(server - name + 1); + if (tftp->server == NULL) + { + freeTftp(tftp); + return EMFILE; + } + strncpy(tftp->server, name, server - name); + tftp->server[server - name] = 0; + + tftp->file = strdup(server + 1); + if (tftp->file == NULL) + { + freeTftp(tftp); + return EMFILE; + } + + file->f_data = (CYG_ADDRWORD) tftp; + + return ENOERR; +} + +static int fetchTftp(struct Tftp *tftp) +{ + if (!tftp->readFile) + { + int err; + tftp->actual = tftp_client_get( tftp->file, tftp->server, 0, tftp->mem, tftpMaxSize, TFTP_OCTET, &err); + + if (tftp->actual < 0) + { + return EMFILE; + } + tftp->readFile = 1; + } + return ENOERR; +} + +// ------------------------------------------------------------------------- +// tftpfs_fo_write() +// Read data from file. + +static int +tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio) +{ + struct Tftp *tftp = (struct Tftp *) fp->f_data; + + if (fetchTftp(tftp) != ENOERR) + return EMFILE; + + int i; + off_t pos = fp->f_offset; + int resid = 0; + for (i = 0; i < uio->uio_iovcnt; i++) + { + cyg_iovec *iov = &uio->uio_iov[i]; + char *buf = (char *) iov->iov_base; + off_t len = iov->iov_len; + + if (len + pos > tftp->actual) + { + len = tftp->actual - pos; + } + resid += iov->iov_len - len; + + memcpy(buf, tftp->mem + pos, len); + pos += len; + + } + uio->uio_resid = resid; + fp->f_offset = pos; + + return ENOERR; +} + + +static int +tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio) +{ + struct Tftp *tftp = (struct Tftp *) fp->f_data; + + int i; + off_t pos = fp->f_offset; + int resid = 0; + for (i = 0; i < uio->uio_iovcnt; i++) + { + cyg_iovec *iov = &uio->uio_iov[i]; + char *buf = (char *) iov->iov_base; + off_t len = iov->iov_len; + + if (len + pos > tftpMaxSize) + { + len = tftpMaxSize - pos; + } + resid += iov->iov_len - len; + + memcpy(tftp->mem + pos, buf, len); + pos += len; + + } + uio->uio_resid = resid; + fp->f_offset = pos; + + tftp->write = 1; + + return ENOERR; +} + +static int +tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode) +{ + int error = ENOERR; + return error; +} + +// ------------------------------------------------------------------------- +// romfs_fo_close() +// Close a file. We just clear out the data pointer. + +static int tftpfs_fo_close(struct CYG_FILE_TAG *fp) +{ + struct Tftp *tftp = (struct Tftp *) fp->f_data; + int error = ENOERR; + + if (tftp->write) + { + tftp_client_put( tftp->file, tftp->server, 0, tftp->mem, fp->f_offset, TFTP_OCTET, &error); + } + + freeTftp(tftp); + fp->f_data = 0; + return error; +} + +// ------------------------------------------------------------------------- +// romfs_fo_lseek() +// Seek to a new file position. + +static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence) +{ + struct Tftp *tftp = (struct Tftp *) fp->f_data; + off_t pos = *apos; + + if (fetchTftp(tftp) != ENOERR) + return EMFILE; + + switch (whence) + { + case SEEK_SET: + // Pos is already where we want to be. + break; + + case SEEK_CUR: + // Add pos to current offset. + pos += fp->f_offset; + break; + + case SEEK_END: + // Add pos to file size. + pos += tftp->actual; + break; + + default: + return EINVAL; + } + + // Check that pos is still within current file size, or at the + // very end. + if (pos < 0 || pos > tftp->actual) + return EINVAL; + + // All OK, set fp offset and return new position. + *apos = fp->f_offset = pos; + + return ENOERR; +} + +void usleep(int us) +{ + if (us > 10000) + cyg_thread_delay(us / 10000 + 1); + else + HAL_DELAY_US(us); +} + +// Chunked version. +cyg_int32 +show_log_entry(CYG_HTTPD_STATE *phttpstate) +{ + cyg_httpd_start_chunked("text"); + if (logCount >= logSize) + { + cyg_httpd_write_chunked(logBuffer+logCount%logSize, logSize-logCount%logSize); + } + cyg_httpd_write_chunked(logBuffer, writePtr); + cyg_httpd_end_chunked(); + return -1; +} + +CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry); + +// Filesystem operations +static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte); +static int logfs_umount(cyg_mtab_entry *mte); +static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name, + int mode, cyg_file *fte); +static int +logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio); + +// File operations +static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode); +static int logfs_fo_close(struct CYG_FILE_TAG *fp); + +//========================================================================== +// Filesystem table entries + +// ------------------------------------------------------------------------- +// Fstab entry. +// This defines the entry in the filesystem table. +// For simplicity we use _FILESYSTEM synchronization for all accesses since +// we should never block in any filesystem operations. +FSTAB_ENTRY( logfs_fste, "logfs", 0, + CYG_SYNCMODE_FILE_FILESYSTEM|CYG_SYNCMODE_IO_FILESYSTEM, + logfs_mount, + logfs_umount, + logfs_open, + (cyg_fsop_unlink *)cyg_fileio_erofs, + (cyg_fsop_mkdir *)cyg_fileio_erofs, + (cyg_fsop_rmdir *)cyg_fileio_erofs, + (cyg_fsop_rename *)cyg_fileio_erofs, + (cyg_fsop_link *)cyg_fileio_erofs, + (cyg_fsop_opendir *)cyg_fileio_erofs, + (cyg_fsop_chdir *)cyg_fileio_erofs, + (cyg_fsop_stat *)cyg_fileio_erofs, + (cyg_fsop_getinfo *)cyg_fileio_erofs, + (cyg_fsop_setinfo *)cyg_fileio_erofs); + +// ------------------------------------------------------------------------- +// File operations. +// This set of file operations are used for normal open files. + +static cyg_fileops logfs_fileops = +{ + (cyg_fileop_read *)cyg_fileio_erofs, + (cyg_fileop_write *)logfs_fo_write, + (cyg_fileop_lseek *) cyg_fileio_erofs, + (cyg_fileop_ioctl *)cyg_fileio_erofs, + cyg_fileio_seltrue, + logfs_fo_fsync, + logfs_fo_close, + (cyg_fileop_fstat *)cyg_fileio_erofs, + (cyg_fileop_getinfo *) cyg_fileio_erofs, + (cyg_fileop_setinfo *)cyg_fileio_erofs, +}; + +// ------------------------------------------------------------------------- +// logfs_mount() +// Process a mount request. This mainly finds root for the +// filesystem. + +static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte) +{ + return ENOERR; +} + +static int logfs_umount(cyg_mtab_entry *mte) +{ + return ENOERR; +} + +static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name, + int mode, cyg_file *file) +{ + file->f_flag |= mode & CYG_FILE_MODE_MASK; + file->f_type = CYG_FILE_TYPE_FILE; + file->f_ops = &logfs_fileops; + file->f_offset = 0; + file->f_data = 0; + file->f_xops = 0; + return ENOERR; +} + +// ------------------------------------------------------------------------- +// logfs_fo_write() +// Write data to file. + +static int +logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio) +{ + int i; + for (i = 0; i < uio->uio_iovcnt; i++) + { + cyg_iovec *iov = &uio->uio_iov[i]; + char *buf = (char *) iov->iov_base; + off_t len = iov->iov_len; + + diag_write(buf, len); + } + uio->uio_resid = 0; + + return ENOERR; +} +static int +logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode) +{ + return ENOERR; +} + +// ------------------------------------------------------------------------- +// romfs_fo_close() +// Close a file. We just clear out the data pointer. + +static int logfs_fo_close(struct CYG_FILE_TAG *fp) +{ + return ENOERR; +} diff --git a/src/flash/at91sam7.c b/src/flash/at91sam7.c index 3b51c07b..44bedd96 100644 --- a/src/flash/at91sam7.c +++ b/src/flash/at91sam7.c @@ -72,20 +72,19 @@ int at91sam7_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, flash_driver_t at91sam7_flash = { - .name = "at91sam7_new", - .register_commands = at91sam7_register_commands, - .flash_bank_command = at91sam7_flash_bank_command, - .erase = at91sam7_erase, - .protect = at91sam7_protect, - .write = at91sam7_write, - .probe = at91sam7_probe, - .auto_probe = at91sam7_probe, - .erase_check = at91sam7_erase_check, - .protect_check = at91sam7_protect_check, - .info = at91sam7_info + .name = "at91sam7_new", + .register_commands = at91sam7_register_commands, + .flash_bank_command = at91sam7_flash_bank_command, + .erase = at91sam7_erase, + .protect = at91sam7_protect, + .write = at91sam7_write, + .probe = at91sam7_probe, + .auto_probe = at91sam7_probe, + .erase_check = at91sam7_erase_check, + .protect_check = at91sam7_protect_check, + .info = at91sam7_info }; - u32 MC_FMR[4] = { 0xFFFFFF60, 0xFFFFFF70, 0xFFFFFF80, 0xFFFFFF90 }; u32 MC_FCR[4] = { 0xFFFFFF64, 0xFFFFFF74, 0xFFFFFF84, 0xFFFFFF94 }; u32 MC_FSR[4] = { 0xFFFFFF68, 0xFFFFFF78, 0xFFFFFF88, 0xFFFFFF98 }; @@ -93,657 +92,654 @@ u32 MC_FSR[4] = { 0xFFFFFF68, 0xFFFFFF78, 0xFFFFFF88, 0xFFFFFF98 }; char * EPROC[8]= {"Unknown","ARM946-E","ARM7TDMI","Unknown","ARM920T","ARM926EJ-S","Unknown","Unknown"}; long SRAMSIZ[16] = { - -1, - 0x0400, /* 1K */ - 0x0800, /* 2K */ - -1, - 0x1c000, /* 112K */ - 0x1000, /* 4K */ - 0x14000, /* 80K */ - 0x28000, /* 160K */ - 0x2000, /* 8K */ - 0x4000, /* 16K */ - 0x8000, /* 32K */ - 0x10000, /* 64K */ - 0x20000, /* 128K */ - 0x40000, /* 256K */ - 0x18000, /* 96K */ - 0x80000, /* 512K */ + -1, + 0x0400, /* 1K */ + 0x0800, /* 2K */ + -1, + 0x1c000, /* 112K */ + 0x1000, /* 4K */ + 0x14000, /* 80K */ + 0x28000, /* 160K */ + 0x2000, /* 8K */ + 0x4000, /* 16K */ + 0x8000, /* 32K */ + 0x10000, /* 64K */ + 0x20000, /* 128K */ + 0x40000, /* 256K */ + 0x18000, /* 96K */ + 0x80000, /* 512K */ }; int at91sam7_register_commands(struct command_context_s *cmd_ctx) { - command_t *at91sam7_cmd = register_command(cmd_ctx, NULL, "at91sam7_new", NULL, COMMAND_ANY, NULL); + command_t *at91sam7_cmd = register_command(cmd_ctx, NULL, "at91sam7_new", NULL, COMMAND_ANY, NULL); - register_command(cmd_ctx, at91sam7_cmd, "gpnvm", at91sam7_handle_gpnvm_command, COMMAND_EXEC, - "at91sam7 gpnvm <bit> set|clear, set or clear one gpnvm bit"); - return ERROR_OK; + register_command(cmd_ctx, at91sam7_cmd, "gpnvm", at91sam7_handle_gpnvm_command, COMMAND_EXEC, + "at91sam7 gpnvm <bit> set|clear, set or clear one gpnvm bit"); + return ERROR_OK; } u32 at91sam7_get_flash_status(target_t *target, int bank_number) { - u32 fsr; - target_read_u32(target, MC_FSR[bank_number], &fsr); + u32 fsr; + target_read_u32(target, MC_FSR[bank_number], &fsr); - return fsr; + return fsr; } /* Read clock configuration and set at91sam7_info->mck_freq */ void at91sam7_read_clock_info(flash_bank_t *bank) { - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - target_t *target = bank->target; - u32 mckr, mcfr, pllr, mor; - unsigned long tmp = 0, mainfreq; - - /* Read Clock Generator Main Oscillator Register */ - target_read_u32(target, CKGR_MOR, &mor); - /* Read Clock Generator Main Clock Frequency Register */ - target_read_u32(target, CKGR_MCFR, &mcfr); - /* Read Master Clock Register*/ - target_read_u32(target, PMC_MCKR, &mckr); - /* Read Clock Generator PLL Register */ - target_read_u32(target, CKGR_PLLR, &pllr); - - at91sam7_info->mck_valid = 0; - at91sam7_info->mck_freq = 0; - switch (mckr & PMC_MCKR_CSS) - { - case 0: /* Slow Clock */ - at91sam7_info->mck_valid = 1; - tmp = RC_FREQ; - break; - - case 1: /* Main Clock */ - if ((mcfr & CKGR_MCFR_MAINRDY) && - (at91sam7_info->ext_freq == 0)) - { - at91sam7_info->mck_valid = 1; - tmp = RC_FREQ / 16ul * (mcfr & 0xffff); - } - else if (at91sam7_info->ext_freq != 0) - { - at91sam7_info->mck_valid = 1; - tmp = at91sam7_info->ext_freq; - } - break; - - case 2: /* Reserved */ - break; - - case 3: /* PLL Clock */ - if ((mcfr & CKGR_MCFR_MAINRDY) && - (at91sam7_info->ext_freq == 0)) - { - target_read_u32(target, CKGR_PLLR, &pllr); - if (!(pllr & CKGR_PLLR_DIV)) - break; /* 0 Hz */ - at91sam7_info->mck_valid = 1; - mainfreq = RC_FREQ / 16ul * (mcfr & 0xffff); - /* Integer arithmetic should have sufficient precision - as long as PLL is properly configured. */ - tmp = mainfreq / (pllr & CKGR_PLLR_DIV)* - (((pllr & CKGR_PLLR_MUL) >> 16) + 1); - } - else if ((at91sam7_info->ext_freq != 0) && - ((pllr&CKGR_PLLR_DIV) != 0)) - { - at91sam7_info->mck_valid = 1; - tmp = at91sam7_info->ext_freq / (pllr&CKGR_PLLR_DIV)* - (((pllr & CKGR_PLLR_MUL) >> 16) + 1); - } - break; - } - - /* Prescaler adjust */ - if ( (((mckr & PMC_MCKR_PRES) >> 2) == 7) || (tmp == 0) ) - { - at91sam7_info->mck_valid = 0; - at91sam7_info->mck_freq = 0; - } - else if (((mckr & PMC_MCKR_PRES) >> 2) != 0) - at91sam7_info->mck_freq = tmp >> ((mckr & PMC_MCKR_PRES) >> 2); - else - at91sam7_info->mck_freq = tmp; + at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + target_t *target = bank->target; + u32 mckr, mcfr, pllr, mor; + unsigned long tmp = 0, mainfreq; + + /* Read Clock Generator Main Oscillator Register */ + target_read_u32(target, CKGR_MOR, &mor); + /* Read Clock Generator Main Clock Frequency Register */ + target_read_u32(target, CKGR_MCFR, &mcfr); + /* Read Master Clock Register*/ + target_read_u32(target, PMC_MCKR, &mckr); + /* Read Clock Generator PLL Register */ + target_read_u32(target, CKGR_PLLR, &pllr); + + at91sam7_info->mck_valid = 0; + at91sam7_info->mck_freq = 0; + switch (mckr & PMC_MCKR_CSS) + { + case 0: /* Slow Clock */ + at91sam7_info->mck_valid = 1; + tmp = RC_FREQ; + break; + + case 1: /* Main Clock */ + if ((mcfr & CKGR_MCFR_MAINRDY) && + (at91sam7_info->ext_freq == 0)) + { + at91sam7_info->mck_valid = 1; + tmp = RC_FREQ / 16ul * (mcfr & 0xffff); + } + else if (at91sam7_info->ext_freq != 0) + { + at91sam7_info->mck_valid = 1; + tmp = at91sam7_info->ext_freq; + } + break; + + case 2: /* Reserved */ + break; + + case 3: /* PLL Clock */ + if ((mcfr & CKGR_MCFR_MAINRDY) && + (at91sam7_info->ext_freq == 0)) + { + target_read_u32(target, CKGR_PLLR, &pllr); + if (!(pllr & CKGR_PLLR_DIV)) + break; /* 0 Hz */ + at91sam7_info->mck_valid = 1; + mainfreq = RC_FREQ / 16ul * (mcfr & 0xffff); + /* Integer arithmetic should have sufficient precision + * as long as PLL is properly configured. */ + tmp = mainfreq / (pllr & CKGR_PLLR_DIV)* + (((pllr & CKGR_PLLR_MUL) >> 16) + 1); + } + else if ((at91sam7_info->ext_freq != 0) && + ((pllr&CKGR_PLLR_DIV) != 0)) + { + at91sam7_info->mck_valid = 1; + tmp = at91sam7_info->ext_freq / (pllr&CKGR_PLLR_DIV)* + (((pllr & CKGR_PLLR_MUL) >> 16) + 1); + } + break; + } + + /* Prescaler adjust */ + if ( (((mckr & PMC_MCKR_PRES) >> 2) == 7) || (tmp == 0) ) + { + at91sam7_info->mck_valid = 0; + at91sam7_info->mck_freq = 0; + } + else if (((mckr & PMC_MCKR_PRES) >> 2) != 0) + at91sam7_info->mck_freq = tmp >> ((mckr & PMC_MCKR_PRES) >> 2); + else + at91sam7_info->mck_freq = tmp; } /* Setup the timimg registers for nvbits or normal flash */ void at91sam7_set_flash_mode(flash_bank_t *bank, int mode) { - u32 fmr, fmcn = 0, fws = 0; - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - target_t *target = bank->target; - - if (mode && (mode != at91sam7_info->flashmode)) - { - /* Always round up (ceil) */ - if (mode == FMR_TIMING_NVBITS) - { - if (at91sam7_info->cidr_arch == 0x60) - { - /* AT91SAM7A3 uses master clocks in 100 ns */ - fmcn = (at91sam7_info->mck_freq/10000000ul)+1; - } - else - { - /* master clocks in 1uS for ARCH 0x7 types */ - fmcn = (at91sam7_info->mck_freq/1000000ul)+1; - } - } - else if (mode == FMR_TIMING_FLASH) - { - /* main clocks in 1.5uS */ - fmcn = (at91sam7_info->mck_freq/1000000ul)+ - (at91sam7_info->mck_freq/2000000ul)+1; - } - - /* hard overclocking */ - if (fmcn > 0xFF) - fmcn = 0xFF; - - /* Only allow fmcn=0 if clock period is > 30 us = 33kHz. */ - if (at91sam7_info->mck_freq <= 33333ul) - fmcn = 0; - /* Only allow fws=0 if clock frequency is < 30 MHz. */ - if (at91sam7_info->mck_freq > 30000000ul) - fws = 1; - - LOG_DEBUG("fmcn[%i]: %i", bank->bank_number, fmcn); - fmr = fmcn << 16 | fws << 8; - target_write_u32(target, MC_FMR[bank->bank_number], fmr); - } - - at91sam7_info->flashmode = mode; + u32 fmr, fmcn = 0, fws = 0; + at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + target_t *target = bank->target; + + if (mode && (mode != at91sam7_info->flashmode)) + { + /* Always round up (ceil) */ + if (mode == FMR_TIMING_NVBITS) + { + if (at91sam7_info->cidr_arch == 0x60) + { + /* AT91SAM7A3 uses master clocks in 100 ns */ + fmcn = (at91sam7_info->mck_freq/10000000ul)+1; + } + else + { + /* master clocks in 1uS for ARCH 0x7 types */ + fmcn = (at91sam7_info->mck_freq/1000000ul)+1; + } + } + else if (mode == FMR_TIMING_FLASH) + { + /* main clocks in 1.5uS */ + fmcn = (at91sam7_info->mck_freq/1000000ul)+ + (at91sam7_info->mck_freq/2000000ul)+1; + } + + /* hard overclocking */ + if (fmcn > 0xFF) + fmcn = 0xFF; + + /* Only allow fmcn=0 if clock period is > 30 us = 33kHz. */ + if (at91sam7_info->mck_freq <= 33333ul) + fmcn = 0; + /* Only allow fws=0 if clock frequency is < 30 MHz. */ + if (at91sam7_info->mck_freq > 30000000ul) + fws = 1; + + LOG_DEBUG("fmcn[%i]: %i", bank->bank_number, fmcn); + fmr = fmcn << 16 | fws << 8; + target_write_u32(target, MC_FMR[bank->bank_number], fmr); + } + + at91sam7_info->flashmode = mode; } u32 at91sam7_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout) { - u32 status; - - while ((!((status = at91sam7_get_flash_status(bank->target, bank->bank_number)) & waitbits)) && (timeout-- > 0)) - { - LOG_DEBUG("status[%i]: 0x%x", bank->bank_number, status); - alive_sleep(1); - } - - LOG_DEBUG("status[%i]: 0x%x", bank->bank_number, status); - - if (status & 0x0C) - { - LOG_ERROR("status register: 0x%x", status); - if (status & 0x4) - LOG_ERROR("Lock Error Bit Detected, Operation Abort"); - if (status & 0x8) - LOG_ERROR("Invalid command and/or bad keyword, Operation Abort"); - if (status & 0x10) - LOG_ERROR("Security Bit Set, Operation Abort"); - } - - return status; + u32 status; + + while ((!((status = at91sam7_get_flash_status(bank->target, bank->bank_number)) & waitbits)) && (timeout-- > 0)) + { + LOG_DEBUG("status[%i]: 0x%x", bank->bank_number, status); + alive_sleep(1); + } + + LOG_DEBUG("status[%i]: 0x%x", bank->bank_number, status); + + if (status & 0x0C) + { + LOG_ERROR("status register: 0x%x", status); + if (status & 0x4) + LOG_ERROR("Lock Error Bit Detected, Operation Abort"); + if (status & 0x8) + LOG_ERROR("Invalid command and/or bad keyword, Operation Abort"); + if (status & 0x10) + LOG_ERROR("Security Bit Set, Operation Abort"); + } + + return status; } /* Send one command to the AT91SAM flash controller */ int at91sam7_flash_command(struct flash_bank_s *bank, u8 cmd, u16 pagen) { - u32 fcr; - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - target_t *target = bank->target; - - fcr = (0x5A<<24) | ((pagen&0x3FF)<<8) | cmd; - target_write_u32(target, MC_FCR[bank->bank_number], fcr); - LOG_DEBUG("Flash command: 0x%x, flash bank: %i, page number: %u", fcr, bank->bank_number+1, pagen); - - if ((at91sam7_info->cidr_arch == 0x60)&&((cmd==SLB)|(cmd==CLB))) - { - /* Lock bit manipulation on AT91SAM7A3 waits for FC_FSR bit 1, EOL */ - if (at91sam7_wait_status_busy(bank, MC_FSR_EOL, 10)&0x0C) - { - return ERROR_FLASH_OPERATION_FAILED; - } - return ERROR_OK; - } - - if (at91sam7_wait_status_busy(bank, MC_FSR_FRDY, 10)&0x0C) - { - return ERROR_FLASH_OPERATION_FAILED; - } - - return ERROR_OK; + u32 fcr; + at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + target_t *target = bank->target; + + fcr = (0x5A<<24) | ((pagen&0x3FF)<<8) | cmd; + target_write_u32(target, MC_FCR[bank->bank_number], fcr); + LOG_DEBUG("Flash command: 0x%x, flash bank: %i, page number: %u", fcr, bank->bank_number+1, pagen); + + if ((at91sam7_info->cidr_arch == 0x60)&&((cmd==SLB)|(cmd==CLB))) + { + /* Lock bit manipulation on AT91SAM7A3 waits for FC_FSR bit 1, EOL */ + if (at91sam7_wait_status_busy(bank, MC_FSR_EOL, 10)&0x0C) + { + return ERROR_FLASH_OPERATION_FAILED; + } + return ERROR_OK; + } + + if (at91sam7_wait_status_busy(bank, MC_FSR_FRDY, 10)&0x0C) + { + return ERROR_FLASH_OPERATION_FAILED; + } + + return ERROR_OK; } /* Read device id register, main clock frequency register and fill in driver info structure */ int at91sam7_read_part_info(struct flash_bank_s *bank) { - flash_bank_t *t_bank = bank; - at91sam7_flash_bank_t *at91sam7_info; - target_t *target = t_bank->target; - - u16 bnk, sec; - u16 arch; - u32 cidr, status; - u8 banks_num; - u16 num_nvmbits; - u16 sectors_num; - u16 pages_per_sector; - u16 page_size; - u32 ext_freq; - u32 bank_size; - u32 base_address = 0; - char *target_name = "Unknown"; - - at91sam7_info = t_bank->driver_priv; - - if (at91sam7_info->cidr != 0) - { - /* flash already configured, update clock and check for protected sectors */ - flash_bank_t *fb = bank; - t_bank = fb; - - while (t_bank) - { - /* re-calculate master clock frequency */ - at91sam7_read_clock_info(t_bank); - - /* no timming */ - at91sam7_set_flash_mode(t_bank, FMR_TIMING_NONE); - - /* check protect state */ - at91sam7_protect_check(t_bank); - - t_bank = fb->next; - fb = t_bank; - } - - return ERROR_OK; - } - - /* Read and parse chip identification register */ - target_read_u32(target, DBGU_CIDR, &cidr); - if (cidr == 0) - { - LOG_WARNING("Cannot identify target as an AT91SAM"); - return ERROR_FLASH_OPERATION_FAILED; - } - - if (at91sam7_info->flash_autodetection == 0) - { - /* banks and sectors are already created, based on data from input file */ - flash_bank_t *fb = bank; - t_bank = fb; - while (t_bank) - { - at91sam7_info = t_bank->driver_priv; - - at91sam7_info->cidr = cidr; - at91sam7_info->cidr_ext = (cidr>>31)&0x0001; - at91sam7_info->cidr_nvptyp = (cidr>>28)&0x0007; - at91sam7_info->cidr_arch = (cidr>>20)&0x00FF; - at91sam7_info->cidr_sramsiz = (cidr>>16)&0x000F; - at91sam7_info->cidr_nvpsiz2 = (cidr>>12)&0x000F; - at91sam7_info->cidr_nvpsiz = (cidr>>8)&0x000F; - at91sam7_info->cidr_eproc = (cidr>>5)&0x0007; - at91sam7_info->cidr_version = cidr&0x001F; - - /* calculate master clock frequency */ - at91sam7_read_clock_info(t_bank); - - /* no timming */ - at91sam7_set_flash_mode(t_bank, FMR_TIMING_NONE); - - /* check protect state */ - at91sam7_protect_check(t_bank); - - t_bank = fb->next; - fb = t_bank; - } - - return ERROR_OK; - } - - arch = (cidr>>20)&0x00FF; - - /* check flash size */ - switch ((cidr>>8)&0x000F) - { - case FLASH_SIZE_8KB: - break; - - case FLASH_SIZE_16KB: - banks_num = 1; - sectors_num = 8; - pages_per_sector = 32; - page_size = 64; - base_address = 0x00100000; - if (arch == 0x70) - { - num_nvmbits = 2; - target_name = "AT91SAM7S161/16"; - } - break; - - case FLASH_SIZE_32KB: - banks_num = 1; - sectors_num = 8; - pages_per_sector = 32; - page_size = 128; - base_address = 0x00100000; - if (arch == 0x70) - { - num_nvmbits = 2; - target_name = "AT91SAM7S321/32"; - } - if (arch == 0x72) - { - num_nvmbits = 3; - target_name = "AT91SAM7SE32"; - } - break; - - case FLASH_SIZE_64KB: - banks_num = 1; - sectors_num = 16; - pages_per_sector = 32; - page_size = 128; - base_address = 0x00100000; - if (arch == 0x70) - { - num_nvmbits = 2; - target_name = "AT91SAM7S64"; - } - break; - - case FLASH_SIZE_128KB: - banks_num = 1; - sectors_num = 8; - pages_per_sector = 64; - page_size = 256; - base_address = 0x00100000; - if (arch == 0x70) - { - num_nvmbits = 2; - target_name = "AT91SAM7S128"; - } - if (arch == 0x71) - { - num_nvmbits = 3; - target_name = "AT91SAM7XC128"; - } - if (arch == 0x72) - { - num_nvmbits = 3; - target_name = "AT91SAM7SE128"; - } - if (arch == 0x75) - { - num_nvmbits = 3; - target_name = "AT91SAM7X128"; - } - break; - - case FLASH_SIZE_256KB: - banks_num = 1; - sectors_num = 16; - pages_per_sector = 64; - page_size = 256; - base_address = 0x00100000; - if (arch == 0x60) - { - num_nvmbits = 3; - target_name = "AT91SAM7A3"; - } - if (arch == 0x70) - { - num_nvmbits = 2; - target_name = "AT91SAM7S256"; - } - if (arch == 0x71) - { - num_nvmbits = 3; - target_name = "AT91SAM7XC256"; - } - if (arch == 0x72) - { - num_nvmbits = 3; - target_name = "AT91SAM7SE256"; - } - if (arch == 0x75) - { - num_nvmbits = 3; - target_name = "AT91SAM7X256"; - } - break; - - case FLASH_SIZE_512KB: - banks_num = 2; - sectors_num = 16; - pages_per_sector = 64; - page_size = 256; - base_address = 0x00100000; - if (arch == 0x70) - { - num_nvmbits = 2; - target_name = "AT91SAM7S512"; - } - if (arch == 0x71) - { - num_nvmbits = 3; - target_name = "AT91SAM7XC512"; - } - if (arch == 0x72) - { - num_nvmbits = 3; - target_name = "AT91SAM7SE512"; - } - if (arch == 0x75) - { - num_nvmbits = 3; - target_name = "AT91SAM7X512"; - } - break; - - case FLASH_SIZE_1024KB: - break; - - case FLASH_SIZE_2048KB: - break; - } - - if (strcmp(target_name, "Unknown") == 0) - { - LOG_ERROR("Target autodetection failed! Please specify target parameters in configuration file"); - return ERROR_FLASH_OPERATION_FAILED; - } - - ext_freq = at91sam7_info->ext_freq; - - /* calculate bank size */ - bank_size = sectors_num * pages_per_sector * page_size; - - for (bnk=0; bnk<banks_num; bnk++) - { - if (bnk > 0) - { - /* create a new flash bank element */ - flash_bank_t *fb = malloc(sizeof(flash_bank_t)); - fb->target = target; - fb->driver = &at91sam7_flash; - fb->driver_priv = malloc(sizeof(at91sam7_flash_bank_t)); - fb->next = NULL; - - /* link created bank in 'flash_banks' list and redirect t_bank */ - t_bank->next = fb; - t_bank = fb; - } - - t_bank->bank_number = bnk; - t_bank->base = base_address + bnk * bank_size; - t_bank->size = bank_size; - t_bank->chip_width = 0; - t_bank->bus_width = 4; - t_bank->num_sectors = sectors_num; - - /* allocate sectors */ - t_bank->sectors = malloc(sectors_num * sizeof(flash_sector_t)); - for (sec=0; sec<sectors_num; sec++) - { - t_bank->sectors[sec].offset = sec * pages_per_sector * page_size; - t_bank->sectors[sec].size = pages_per_sector * page_size; - t_bank->sectors[sec].is_erased = -1; - t_bank->sectors[sec].is_protected = -1; - } - - at91sam7_info = t_bank->driver_priv; - - at91sam7_info->cidr = cidr; - at91sam7_info->cidr_ext = (cidr>>31)&0x0001; - at91sam7_info->cidr_nvptyp = (cidr>>28)&0x0007; - at91sam7_info->cidr_arch = (cidr>>20)&0x00FF; - at91sam7_info->cidr_sramsiz = (cidr>>16)&0x000F; - at91sam7_info->cidr_nvpsiz2 = (cidr>>12)&0x000F; - at91sam7_info->cidr_nvpsiz = (cidr>>8)&0x000F; - at91sam7_info->cidr_eproc = (cidr>>5)&0x0007; - at91sam7_info->cidr_version = cidr&0x001F; - - at91sam7_info->target_name = target_name; - at91sam7_info->flashmode = 0; - at91sam7_info->ext_freq = ext_freq; - at91sam7_info->num_nvmbits = num_nvmbits; - at91sam7_info->num_nvmbits_on = 0; - at91sam7_info->pagesize = page_size; - at91sam7_info->pages_per_sector = pages_per_sector; - - /* calculate master clock frequency */ - at91sam7_read_clock_info(t_bank); - - /* no timming */ - at91sam7_set_flash_mode(t_bank, FMR_TIMING_NONE); - - /* check protect state */ - at91sam7_protect_check(t_bank); - } - - LOG_DEBUG("nvptyp: 0x%3.3x, arch: 0x%4.4x", at91sam7_info->cidr_nvptyp, at91sam7_info->cidr_arch ); - - return ERROR_OK; + flash_bank_t *t_bank = bank; + at91sam7_flash_bank_t *at91sam7_info; + target_t *target = t_bank->target; + + u16 bnk, sec; + u16 arch; + u32 cidr; + u8 banks_num; + u16 num_nvmbits; + u16 sectors_num; + u16 pages_per_sector; + u16 page_size; + u32 ext_freq; + u32 bank_size; + u32 base_address = 0; + char *target_name = "Unknown"; + + at91sam7_info = t_bank->driver_priv; + + if (at91sam7_info->cidr != 0) + { + /* flash already configured, update clock and check for protected sectors */ + flash_bank_t *fb = bank; + t_bank = fb; + + while (t_bank) + { + /* re-calculate master clock frequency */ + at91sam7_read_clock_info(t_bank); + + /* no timming */ + at91sam7_set_flash_mode(t_bank, FMR_TIMING_NONE); + + /* check protect state */ + at91sam7_protect_check(t_bank); + + t_bank = fb->next; + fb = t_bank; + } + + return ERROR_OK; + } + + /* Read and parse chip identification register */ + target_read_u32(target, DBGU_CIDR, &cidr); + if (cidr == 0) + { + LOG_WARNING("Cannot identify target as an AT91SAM"); + return ERROR_FLASH_OPERATION_FAILED; + } + + if (at91sam7_info->flash_autodetection == 0) + { + /* banks and sectors are already created, based on data from input file */ + flash_bank_t *fb = bank; + t_bank = fb; + while (t_bank) + { + at91sam7_info = t_bank->driver_priv; + + at91sam7_info->cidr = cidr; + at91sam7_info->cidr_ext = (cidr>>31)&0x0001; + at91sam7_info->cidr_nvptyp = (cidr>>28)&0x0007; + at91sam7_info->cidr_arch = (cidr>>20)&0x00FF; + at91sam7_info->cidr_sramsiz = (cidr>>16)&0x000F; + at91sam7_info->cidr_nvpsiz2 = (cidr>>12)&0x000F; + at91sam7_info->cidr_nvpsiz = (cidr>>8)&0x000F; + at91sam7_info->cidr_eproc = (cidr>>5)&0x0007; + at91sam7_info->cidr_version = cidr&0x001F; + + /* calculate master clock frequency */ + at91sam7_read_clock_info(t_bank); + + /* no timming */ + at91sam7_set_flash_mode(t_bank, FMR_TIMING_NONE); + + /* check protect state */ + at91sam7_protect_check(t_bank); + + t_bank = fb->next; + fb = t_bank; + } + + return ERROR_OK; + } + + arch = (cidr>>20)&0x00FF; + + /* check flash size */ + switch ((cidr>>8)&0x000F) + { + case FLASH_SIZE_8KB: + break; + + case FLASH_SIZE_16KB: + banks_num = 1; + sectors_num = 8; + pages_per_sector = 32; + page_size = 64; + base_address = 0x00100000; + if (arch == 0x70) + { + num_nvmbits = 2; + target_name = "AT91SAM7S161/16"; + } + break; + + case FLASH_SIZE_32KB: + banks_num = 1; + sectors_num = 8; + pages_per_sector = 32; + page_size = 128; + base_address = 0x00100000; + if (arch == 0x70) + { + num_nvmbits = 2; + target_name = "AT91SAM7S321/32"; + } + if (arch == 0x72) + { + num_nvmbits = 3; + target_name = "AT91SAM7SE32"; + } + break; + + case FLASH_SIZE_64KB: + banks_num = 1; + sectors_num = 16; + pages_per_sector = 32; + page_size = 128; + base_address = 0x00100000; + if (arch == 0x70) + { + num_nvmbits = 2; + target_name = "AT91SAM7S64"; + } + break; + + case FLASH_SIZE_128KB: + banks_num = 1; + sectors_num = 8; + pages_per_sector = 64; + page_size = 256; + base_address = 0x00100000; + if (arch == 0x70) + { + num_nvmbits = 2; + target_name = "AT91SAM7S128"; + } + if (arch == 0x71) + { + num_nvmbits = 3; + target_name = "AT91SAM7XC128"; + } + if (arch == 0x72) + { + num_nvmbits = 3; + target_name = "AT91SAM7SE128"; + } + if (arch == 0x75) + { + num_nvmbits = 3; + target_name = "AT91SAM7X128"; + } + break; + + case FLASH_SIZE_256KB: + banks_num = 1; + sectors_num = 16; + pages_per_sector = 64; + page_size = 256; + base_address = 0x00100000; + if (arch == 0x60) + { + num_nvmbits = 3; + target_name = "AT91SAM7A3"; + } + if (arch == 0x70) + { + num_nvmbits = 2; + target_name = "AT91SAM7S256"; + } + if (arch == 0x71) + { + num_nvmbits = 3; + target_name = "AT91SAM7XC256"; + } + if (arch == 0x72) + { + num_nvmbits = 3; + target_name = "AT91SAM7SE256"; + } + if (arch == 0x75) + { + num_nvmbits = 3; + target_name = "AT91SAM7X256"; + } + break; + + case FLASH_SIZE_512KB: + banks_num = 2; + sectors_num = 16; + pages_per_sector = 64; + page_size = 256; + base_address = 0x00100000; + if (arch == 0x70) + { + num_nvmbits = 2; + target_name = "AT91SAM7S512"; + } + if (arch == 0x71) + { + num_nvmbits = 3; + target_name = "AT91SAM7XC512"; + } + if (arch == 0x72) + { + num_nvmbits = 3; + target_name = "AT91SAM7SE512"; + } + if (arch == 0x75) + { + num_nvmbits = 3; + target_name = "AT91SAM7X512"; + } + break; + + case FLASH_SIZE_1024KB: + break; + + case FLASH_SIZE_2048KB: + break; + } + + if (strcmp(target_name, "Unknown") == 0) + { + LOG_ERROR("Target autodetection failed! Please specify target parameters in configuration file"); + return ERROR_FLASH_OPERATION_FAILED; + } + + ext_freq = at91sam7_info->ext_freq; + + /* calculate bank size */ + bank_size = sectors_num * pages_per_sector * page_size; + + for (bnk=0; bnk<banks_num; bnk++) + { + if (bnk > 0) + { + /* create a new flash bank element */ + flash_bank_t *fb = malloc(sizeof(flash_bank_t)); + fb->target = target; + fb->driver = &at91sam7_flash; + fb->driver_priv = malloc(sizeof(at91sam7_flash_bank_t)); + fb->next = NULL; + + /* link created bank in 'flash_banks' list and redirect t_bank */ + t_bank->next = fb; + t_bank = fb; + } + + t_bank->bank_number = bnk; + t_bank->base = base_address + bnk * bank_size; + t_bank->size = bank_size; + t_bank->chip_width = 0; + t_bank->bus_width = 4; + t_bank->num_sectors = sectors_num; + + /* allocate sectors */ + t_bank->sectors = malloc(sectors_num * sizeof(flash_sector_t)); + for (sec=0; sec<sectors_num; sec++) + { + t_bank->sectors[sec].offset = sec * pages_per_sector * page_size; + t_bank->sectors[sec].size = pages_per_sector * page_size; + t_bank->sectors[sec].is_erased = -1; + t_bank->sectors[sec].is_protected = -1; + } + + at91sam7_info = t_bank->driver_priv; + + at91sam7_info->cidr = cidr; + at91sam7_info->cidr_ext = (cidr>>31)&0x0001; + at91sam7_info->cidr_nvptyp = (cidr>>28)&0x0007; + at91sam7_info->cidr_arch = (cidr>>20)&0x00FF; + at91sam7_info->cidr_sramsiz = (cidr>>16)&0x000F; + at91sam7_info->cidr_nvpsiz2 = (cidr>>12)&0x000F; + at91sam7_info->cidr_nvpsiz = (cidr>>8)&0x000F; + at91sam7_info->cidr_eproc = (cidr>>5)&0x0007; + at91sam7_info->cidr_version = cidr&0x001F; + + at91sam7_info->target_name = target_name; + at91sam7_info->flashmode = 0; + at91sam7_info->ext_freq = ext_freq; + at91sam7_info->num_nvmbits = num_nvmbits; + at91sam7_info->num_nvmbits_on = 0; + at91sam7_info->pagesize = page_size; + at91sam7_info->pages_per_sector = pages_per_sector; + + /* calculate master clock frequency */ + at91sam7_read_clock_info(t_bank); + + /* no timming */ + at91sam7_set_flash_mode(t_bank, FMR_TIMING_NONE); + + /* check protect state */ + at91sam7_protect_check(t_bank); + } + + LOG_DEBUG("nvptyp: 0x%3.3x, arch: 0x%4.4x", at91sam7_info->cidr_nvptyp, at91sam7_info->cidr_arch ); + + return ERROR_OK; } int at91sam7_erase_check(struct flash_bank_s *bank) { - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - - target_t *target = bank->target; - u16 retval; - u32 blank; - u16 fast_check; - u8 *buffer; - u16 nSector; - u16 nByte; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - /* Configure the flash controller timing */ - at91sam7_read_clock_info(bank); - at91sam7_set_flash_mode(bank, FMR_TIMING_FLASH); - - fast_check = 1; - for (nSector=0; nSector<bank->num_sectors; nSector++) - { - retval = target_blank_check_memory(target, bank->base+bank->sectors[nSector].offset, - bank->sectors[nSector].size, &blank); - if (retval != ERROR_OK) - { - fast_check = 0; - break; - } - if (blank == 0xFF) - bank->sectors[nSector].is_erased = 1; - else - bank->sectors[nSector].is_erased = 0; - } - - if (fast_check) - { - return ERROR_OK; - } - - LOG_USER("Running slow fallback erase check - add working memory"); - - buffer = malloc(bank->sectors[0].size); - for (nSector=0; nSector<bank->num_sectors; nSector++) - { - - bank->sectors[nSector].is_erased = 1; - retval = target->type->read_memory(target, bank->base+bank->sectors[nSector].offset, 4, - bank->sectors[nSector].size/4, buffer); - if (retval != ERROR_OK) - return retval; - - for (nByte=0; nByte<bank->sectors[nSector].size; nByte++) - { - if (buffer[nByte] != 0xFF) - { - bank->sectors[nSector].is_erased = 0; - break; - } - } - } - free(buffer); - - return ERROR_OK; + target_t *target = bank->target; + u16 retval; + u32 blank; + u16 fast_check; + u8 *buffer; + u16 nSector; + u16 nByte; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + /* Configure the flash controller timing */ + at91sam7_read_clock_info(bank); + at91sam7_set_flash_mode(bank, FMR_TIMING_FLASH); + + fast_check = 1; + for (nSector=0; nSector<bank->num_sectors; nSector++) + { + retval = target_blank_check_memory(target, bank->base+bank->sectors[nSector].offset, + bank->sectors[nSector].size, &blank); + if (retval != ERROR_OK) + { + fast_check = 0; + break; + } + if (blank == 0xFF) + bank->sectors[nSector].is_erased = 1; + else + bank->sectors[nSector].is_erased = 0; + } + + if (fast_check) + { + return ERROR_OK; + } + + LOG_USER("Running slow fallback erase check - add working memory"); + + buffer = malloc(bank->sectors[0].size); + for (nSector=0; nSector<bank->num_sectors; nSector++) + { + bank->sectors[nSector].is_erased = 1; + retval = target->type->read_memory(target, bank->base+bank->sectors[nSector].offset, 4, + bank->sectors[nSector].size/4, buffer); + if (retval != ERROR_OK) + return retval; + + for (nByte=0; nByte<bank->sectors[nSector].size; nByte++) + { + if (buffer[nByte] != 0xFF) + { + bank->sectors[nSector].is_erased = 0; + break; + } + } + } + free(buffer); + + return ERROR_OK; } int at91sam7_protect_check(struct flash_bank_s *bank) { - u8 lock_pos, gpnvm_pos; - u32 status; - - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - - if (at91sam7_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - status = at91sam7_get_flash_status(bank->target, bank->bank_number); - at91sam7_info->lockbits = (status>>16); - - at91sam7_info->num_lockbits_on = 0; - for (lock_pos=0; lock_pos<bank->num_sectors; lock_pos++) - { - if ( ((status>>(16+lock_pos))&(0x0001)) == 1) - { - at91sam7_info->num_lockbits_on++; - bank->sectors[lock_pos].is_protected = 1; - } - else - bank->sectors[lock_pos].is_protected = 0; - } - - /* GPNVM and SECURITY bits apply only for MC_FSR of EFC0 */ - status = at91sam7_get_flash_status(bank->target, 0); - - at91sam7_info->securitybit = (status>>4)&0x01; - at91sam7_info->nvmbits = (status>>8)&0xFF; - - at91sam7_info->num_nvmbits_on = 0; - for (gpnvm_pos=0; gpnvm_pos<at91sam7_info->num_nvmbits; gpnvm_pos++) - { - if ( ((status>>(8+gpnvm_pos))&(0x01)) == 1) - { - at91sam7_info->num_nvmbits_on++; - } - } - - return ERROR_OK; + u8 lock_pos, gpnvm_pos; + u32 status; + + at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + + if (at91sam7_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + status = at91sam7_get_flash_status(bank->target, bank->bank_number); + at91sam7_info->lockbits = (status>>16); + + at91sam7_info->num_lockbits_on = 0; + for (lock_pos=0; lock_pos<bank->num_sectors; lock_pos++) + { + if ( ((status>>(16+lock_pos))&(0x0001)) == 1) + { + at91sam7_info->num_lockbits_on++; + bank->sectors[lock_pos].is_protected = 1; + } + else + bank->sectors[lock_pos].is_protected = 0; + } + + /* GPNVM and SECURITY bits apply only for MC_FSR of EFC0 */ + status = at91sam7_get_flash_status(bank->target, 0); + + at91sam7_info->securitybit = (status>>4)&0x01; + at91sam7_info->nvmbits = (status>>8)&0xFF; + + at91sam7_info->num_nvmbits_on = 0; + for (gpnvm_pos=0; gpnvm_pos<at91sam7_info->num_nvmbits; gpnvm_pos++) + { + if ( ((status>>(8+gpnvm_pos))&(0x01)) == 1) + { + at91sam7_info->num_nvmbits_on++; + } + } + + return ERROR_OK; } /*************************************************************************************************************************************************************************************** @@ -758,368 +754,366 @@ int at91sam7_protect_check(struct flash_bank_s *bank) ****************************************************************************************************************************************************************************************/ int at91sam7_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank) { - flash_bank_t *t_bank = bank; - at91sam7_flash_bank_t *at91sam7_info; - target_t *target = t_bank->target; - - u32 base_address; - u32 bank_size; - u32 ext_freq; - - int chip_width; - int bus_width; - int banks_num; - int num_sectors; - - u16 pages_per_sector; - u16 page_size; - u16 num_nvmbits; - - char *target_name; - - int bnk, sec; - - at91sam7_info = malloc(sizeof(at91sam7_flash_bank_t)); - t_bank->driver_priv = at91sam7_info; - - /* part wasn't probed for info yet */ - at91sam7_info->cidr = 0; - at91sam7_info->flashmode = 0; - at91sam7_info->ext_freq = 0; - at91sam7_info->flash_autodetection = 0; - - if (argc == 14) - { - ext_freq = atol(args[13]) * 1000; - at91sam7_info->ext_freq = ext_freq; - } - - if ((argc != 14) || - (atoi(args[4]) == 0) || /* bus width */ - (atoi(args[8]) == 0) || /* banks number */ - (atoi(args[9]) == 0) || /* sectors per bank */ - (atoi(args[10]) == 0) || /* pages per sector */ - (atoi(args[11]) == 0) || /* page size */ - (atoi(args[12]) == 0)) /* nvmbits number */ - { - at91sam7_info->flash_autodetection = 1; - return ERROR_OK; - } - - base_address = strtoul(args[1], NULL, 0); - chip_width = atoi(args[3]); - bus_width = atoi(args[4]); - banks_num = atoi(args[8]); - num_sectors = atoi(args[9]); - pages_per_sector = atoi(args[10]); - page_size = atoi(args[11]); - num_nvmbits = atoi(args[12]); - - target_name = calloc(strlen(args[7])+1, sizeof(char)); - strcpy(target_name, args[7]); - - /* calculate bank size */ - bank_size = num_sectors * pages_per_sector * page_size; - - for (bnk=0; bnk<banks_num; bnk++) - { - if (bnk > 0) - { - /* create a new bank element */ - flash_bank_t *fb = malloc(sizeof(flash_bank_t)); - fb->target = target; - fb->driver = &at91sam7_flash; - fb->driver_priv = malloc(sizeof(at91sam7_flash_bank_t)); - fb->next = NULL; - - /* link created bank in 'flash_banks' list and redirect t_bank */ - t_bank->next = fb; - t_bank = fb; - } - - t_bank->bank_number = bnk; - t_bank->base = base_address + bnk * bank_size; - t_bank->size = bank_size; - t_bank->chip_width = chip_width; - t_bank->bus_width = bus_width; - t_bank->num_sectors = num_sectors; - - /* allocate sectors */ - t_bank->sectors = malloc(num_sectors * sizeof(flash_sector_t)); - for (sec=0; sec<num_sectors; sec++) - { - t_bank->sectors[sec].offset = sec * pages_per_sector * page_size; - t_bank->sectors[sec].size = pages_per_sector * page_size; - t_bank->sectors[sec].is_erased = -1; - t_bank->sectors[sec].is_protected = -1; - } - - at91sam7_info = t_bank->driver_priv; - - at91sam7_info->target_name = target_name; - at91sam7_info->flashmode = 0; - at91sam7_info->ext_freq = ext_freq; - at91sam7_info->num_nvmbits = num_nvmbits; - at91sam7_info->num_nvmbits_on = 0; - at91sam7_info->pagesize = page_size; - at91sam7_info->pages_per_sector = pages_per_sector; - } - - return ERROR_OK; + flash_bank_t *t_bank = bank; + at91sam7_flash_bank_t *at91sam7_info; + target_t *target = t_bank->target; + + u32 base_address; + u32 bank_size; + u32 ext_freq; + + int chip_width; + int bus_width; + int banks_num; + int num_sectors; + + u16 pages_per_sector; + u16 page_size; + u16 num_nvmbits; + + char *target_name; + + int bnk, sec; + + at91sam7_info = malloc(sizeof(at91sam7_flash_bank_t)); + t_bank->driver_priv = at91sam7_info; + + /* part wasn't probed for info yet */ + at91sam7_info->cidr = 0; + at91sam7_info->flashmode = 0; + at91sam7_info->ext_freq = 0; + at91sam7_info->flash_autodetection = 0; + + if (argc == 14) + { + ext_freq = atol(args[13]) * 1000; + at91sam7_info->ext_freq = ext_freq; + } + + if ((argc != 14) || + (atoi(args[4]) == 0) || /* bus width */ + (atoi(args[8]) == 0) || /* banks number */ + (atoi(args[9]) == 0) || /* sectors per bank */ + (atoi(args[10]) == 0) || /* pages per sector */ + (atoi(args[11]) == 0) || /* page size */ + (atoi(args[12]) == 0)) /* nvmbits number */ + { + at91sam7_info->flash_autodetection = 1; + return ERROR_OK; + } + + base_address = strtoul(args[1], NULL, 0); + chip_width = atoi(args[3]); + bus_width = atoi(args[4]); + banks_num = atoi(args[8]); + num_sectors = atoi(args[9]); + pages_per_sector = atoi(args[10]); + page_size = atoi(args[11]); + num_nvmbits = atoi(args[12]); + + target_name = calloc(strlen(args[7])+1, sizeof(char)); + strcpy(target_name, args[7]); + + /* calculate bank size */ + bank_size = num_sectors * pages_per_sector * page_size; + + for (bnk=0; bnk<banks_num; bnk++) + { + if (bnk > 0) + { + /* create a new bank element */ + flash_bank_t *fb = malloc(sizeof(flash_bank_t)); + fb->target = target; + fb->driver = &at91sam7_flash; + fb->driver_priv = malloc(sizeof(at91sam7_flash_bank_t)); + fb->next = NULL; + + /* link created bank in 'flash_banks' list and redirect t_bank */ + t_bank->next = fb; + t_bank = fb; + } + + t_bank->bank_number = bnk; + t_bank->base = base_address + bnk * bank_size; + t_bank->size = bank_size; + t_bank->chip_width = chip_width; + t_bank->bus_width = bus_width; + t_bank->num_sectors = num_sectors; + + /* allocate sectors */ + t_bank->sectors = malloc(num_sectors * sizeof(flash_sector_t)); + for (sec=0; sec<num_sectors; sec++) + { + t_bank->sectors[sec].offset = sec * pages_per_sector * page_size; + t_bank->sectors[sec].size = pages_per_sector * page_size; + t_bank->sectors[sec].is_erased = -1; + t_bank->sectors[sec].is_protected = -1; + } + + at91sam7_info = t_bank->driver_priv; + + at91sam7_info->target_name = target_name; + at91sam7_info->flashmode = 0; + at91sam7_info->ext_freq = ext_freq; + at91sam7_info->num_nvmbits = num_nvmbits; + at91sam7_info->num_nvmbits_on = 0; + at91sam7_info->pagesize = page_size; + at91sam7_info->pages_per_sector = pages_per_sector; + } + + return ERROR_OK; } int at91sam7_erase(struct flash_bank_s *bank, int first, int last) { - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - int sec; - u32 nbytes, pos; - u8 *buffer; - u8 erase_all; - - if (at91sam7_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if ((first < 0) || (last < first) || (last >= bank->num_sectors)) - { - return ERROR_FLASH_SECTOR_INVALID; - } - - erase_all = 0; - if ((first == 0) && (last == (bank->num_sectors-1))) - { - erase_all = 1; - } - - /* Configure the flash controller timing */ - at91sam7_read_clock_info(bank); - at91sam7_set_flash_mode(bank, FMR_TIMING_FLASH); - - if(erase_all) - { - if (at91sam7_flash_command(bank, EA, 0) != ERROR_OK) - { - return ERROR_FLASH_OPERATION_FAILED; - } - } - else - { - /* allocate and clean buffer */ - nbytes = (last - first + 1) * bank->sectors[first].size; - buffer = malloc(nbytes * sizeof(u8)); - for (pos=0; pos<nbytes; pos++) - { - buffer[pos] = 0xFF; - } - - if ( at91sam7_write(bank, buffer, bank->sectors[first].offset, nbytes) != ERROR_OK) - { - return ERROR_FLASH_OPERATION_FAILED; - } - - free(buffer); - } - - /* mark erased sectors */ - for (sec=first; sec<=last; sec++) - { - bank->sectors[sec].is_erased = 1; - } - - return ERROR_OK; + at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + int sec; + u32 nbytes, pos; + u8 *buffer; + u8 erase_all; + + if (at91sam7_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + if ((first < 0) || (last < first) || (last >= bank->num_sectors)) + { + return ERROR_FLASH_SECTOR_INVALID; + } + + erase_all = 0; + if ((first == 0) && (last == (bank->num_sectors-1))) + { + erase_all = 1; + } + + /* Configure the flash controller timing */ + at91sam7_read_clock_info(bank); + at91sam7_set_flash_mode(bank, FMR_TIMING_FLASH); + + if(erase_all) + { + if (at91sam7_flash_command(bank, EA, 0) != ERROR_OK) + { + return ERROR_FLASH_OPERATION_FAILED; + } + } + else + { + /* allocate and clean buffer */ + nbytes = (last - first + 1) * bank->sectors[first].size; + buffer = malloc(nbytes * sizeof(u8)); + for (pos=0; pos<nbytes; pos++) + { + buffer[pos] = 0xFF; + } + + if ( at91sam7_write(bank, buffer, bank->sectors[first].offset, nbytes) != ERROR_OK) + { + return ERROR_FLASH_OPERATION_FAILED; + } + + free(buffer); + } + + /* mark erased sectors */ + for (sec=first; sec<=last; sec++) + { + bank->sectors[sec].is_erased = 1; + } + + return ERROR_OK; } int at91sam7_protect(struct flash_bank_s *bank, int set, int first, int last) { - u32 cmd; - u32 sector, pagen; - - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - - if (at91sam7_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if ((first < 0) || (last < first) || (last >= bank->num_sectors)) - { - return ERROR_FLASH_SECTOR_INVALID; - } - - /* Configure the flash controller timing */ - at91sam7_read_clock_info(bank); - at91sam7_set_flash_mode(bank, FMR_TIMING_NVBITS); - - for (sector=first; sector<=last; sector++) - { - if (set) - cmd = SLB; - else - cmd = CLB; - - /* if we lock a page from one sector then entire sector will be locked, also, - if we unlock a page from a locked sector, entire sector will be unlocked */ - pagen = sector * at91sam7_info->pages_per_sector; - - if (at91sam7_flash_command(bank, cmd, pagen) != ERROR_OK) - { - return ERROR_FLASH_OPERATION_FAILED; - } - } - - at91sam7_protect_check(bank); - - return ERROR_OK; + u32 cmd; + u32 sector, pagen; + + at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + + if (at91sam7_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + if ((first < 0) || (last < first) || (last >= bank->num_sectors)) + { + return ERROR_FLASH_SECTOR_INVALID; + } + + /* Configure the flash controller timing */ + at91sam7_read_clock_info(bank); + at91sam7_set_flash_mode(bank, FMR_TIMING_NVBITS); + + for (sector=first; sector<=last; sector++) + { + if (set) + cmd = SLB; + else + cmd = CLB; + + /* if we lock a page from one sector then entire sector will be locked, also, + * if we unlock a page from a locked sector, entire sector will be unlocked */ + pagen = sector * at91sam7_info->pages_per_sector; + + if (at91sam7_flash_command(bank, cmd, pagen) != ERROR_OK) + { + return ERROR_FLASH_OPERATION_FAILED; + } + } + + at91sam7_protect_check(bank); + + return ERROR_OK; } int at91sam7_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) { - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - target_t *target = bank->target; - u32 dst_min_alignment, wcount, bytes_remaining = count; - u32 first_page, last_page, pagen, buffer_pos; - - if (at91sam7_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if (offset + count > bank->size) - return ERROR_FLASH_DST_OUT_OF_BANK; - - dst_min_alignment = at91sam7_info->pagesize; - - if (offset % dst_min_alignment) - { - LOG_WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment); - return ERROR_FLASH_DST_BREAKS_ALIGNMENT; - } - - if (at91sam7_info->cidr_arch == 0) - return ERROR_FLASH_BANK_NOT_PROBED; - - first_page = offset/dst_min_alignment; - last_page = CEIL(offset + count, dst_min_alignment); - - LOG_DEBUG("first_page: %i, last_page: %i, count %i", first_page, last_page, count); - - /* Configure the flash controller timing */ - at91sam7_read_clock_info(bank); - at91sam7_set_flash_mode(bank, FMR_TIMING_FLASH); - - for (pagen=first_page; pagen<last_page; pagen++) - { - if (bytes_remaining<dst_min_alignment) - count = bytes_remaining; - else - count = dst_min_alignment; - bytes_remaining -= count; - - /* Write one block to the PageWriteBuffer */ - buffer_pos = (pagen-first_page)*dst_min_alignment; - wcount = CEIL(count,4); - target->type->write_memory(target, bank->base+pagen*dst_min_alignment, 4, wcount, buffer+buffer_pos); - - /* Send Write Page command to Flash Controller */ - if (at91sam7_flash_command(bank, WP, pagen) != ERROR_OK) - { - return ERROR_FLASH_OPERATION_FAILED; - } - LOG_DEBUG("Write flash bank:%i page number:%i", bank->bank_number, pagen); - } - - return ERROR_OK; + at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + target_t *target = bank->target; + u32 dst_min_alignment, wcount, bytes_remaining = count; + u32 first_page, last_page, pagen, buffer_pos; + + if (at91sam7_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + if (offset + count > bank->size) + return ERROR_FLASH_DST_OUT_OF_BANK; + + dst_min_alignment = at91sam7_info->pagesize; + + if (offset % dst_min_alignment) + { + LOG_WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment); + return ERROR_FLASH_DST_BREAKS_ALIGNMENT; + } + + if (at91sam7_info->cidr_arch == 0) + return ERROR_FLASH_BANK_NOT_PROBED; + + first_page = offset/dst_min_alignment; + last_page = CEIL(offset + count, dst_min_alignment); + + LOG_DEBUG("first_page: %i, last_page: %i, count %i", first_page, last_page, count); + + /* Configure the flash controller timing */ + at91sam7_read_clock_info(bank); + at91sam7_set_flash_mode(bank, FMR_TIMING_FLASH); + + for (pagen=first_page; pagen<last_page; pagen++) + { + if (bytes_remaining<dst_min_alignment) + count = bytes_remaining; + else + count = dst_min_alignment; + bytes_remaining -= count; + + /* Write one block to the PageWriteBuffer */ + buffer_pos = (pagen-first_page)*dst_min_alignment; + wcount = CEIL(count,4); + target->type->write_memory(target, bank->base+pagen*dst_min_alignment, 4, wcount, buffer+buffer_pos); + + /* Send Write Page command to Flash Controller */ + if (at91sam7_flash_command(bank, WP, pagen) != ERROR_OK) + { + return ERROR_FLASH_OPERATION_FAILED; + } + LOG_DEBUG("Write flash bank:%i page number:%i", bank->bank_number, pagen); + } + + return ERROR_OK; } int at91sam7_probe(struct flash_bank_s *bank) { - /* we can't probe on an at91sam7 - * if this is an at91sam7, it has the configured flash - */ - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - int retval; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - retval = at91sam7_read_part_info(bank); - if (retval != ERROR_OK) - return retval; - - return ERROR_OK; + /* we can't probe on an at91sam7 + * if this is an at91sam7, it has the configured flash */ + int retval; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + retval = at91sam7_read_part_info(bank); + if (retval != ERROR_OK) + return retval; + + return ERROR_OK; } int at91sam7_info(struct flash_bank_s *bank, char *buf, int buf_size) { - int printed; - at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; + int printed; + at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; - if (at91sam7_info->cidr == 0) - { - return ERROR_FLASH_BANK_NOT_PROBED; - } + if (at91sam7_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } - printed = snprintf(buf, buf_size, - "\n at91sam7 driver information: Chip is %s\n", - at91sam7_info->target_name); + printed = snprintf(buf, buf_size, + "\n at91sam7 driver information: Chip is %s\n", + at91sam7_info->target_name); - buf += printed; - buf_size -= printed; + buf += printed; + buf_size -= printed; - printed = snprintf(buf, buf_size, - " Cidr: 0x%8.8x | Arch: 0x%4.4x | Eproc: %s | Version: 0x%3.3x | Flashsize: 0x%8.8x\n", - at91sam7_info->cidr, at91sam7_info->cidr_arch, EPROC[at91sam7_info->cidr_eproc], - at91sam7_info->cidr_version, bank->size); + printed = snprintf(buf, buf_size, + " Cidr: 0x%8.8x | Arch: 0x%4.4x | Eproc: %s | Version: 0x%3.3x | Flashsize: 0x%8.8x\n", + at91sam7_info->cidr, at91sam7_info->cidr_arch, EPROC[at91sam7_info->cidr_eproc], + at91sam7_info->cidr_version, bank->size); - buf += printed; - buf_size -= printed; + buf += printed; + buf_size -= printed; - printed = snprintf(buf, buf_size, - " Master clock (estimated): %li KHz | External clock: %li KHz\n", - at91sam7_info->mck_freq / 1000, at91sam7_info->ext_freq / 1000); + printed = snprintf(buf, buf_size, + " Master clock (estimated): %li KHz | External clock: %li KHz\n", + at91sam7_info->mck_freq / 1000, at91sam7_info->ext_freq / 1000); - buf += printed; - buf_size -= printed; + buf += printed; + buf_size -= printed; - printed = snprintf(buf, buf_size, - " Pagesize: %i bytes | Lockbits(%i): %i 0x%4.4x | Pages in lock region: %i \n", - at91sam7_info->pagesize, bank->num_sectors, at91sam7_info->num_lockbits_on, - at91sam7_info->lockbits, at91sam7_info->pages_per_sector*at91sam7_info->num_lockbits_on); + printed = snprintf(buf, buf_size, + " Pagesize: %i bytes | Lockbits(%i): %i 0x%4.4x | Pages in lock region: %i \n", + at91sam7_info->pagesize, bank->num_sectors, at91sam7_info->num_lockbits_on, + at91sam7_info->lockbits, at91sam7_info->pages_per_sector*at91sam7_info->num_lockbits_on); - buf += printed; - buf_size -= printed; + buf += printed; + buf_size -= printed; - printed = snprintf(buf, buf_size, - " Securitybit: %i | Nvmbits(%i): %i 0x%1.1x\n", - at91sam7_info->securitybit, at91sam7_info->num_nvmbits, - at91sam7_info->num_nvmbits_on, at91sam7_info->nvmbits); + printed = snprintf(buf, buf_size, + " Securitybit: %i | Nvmbits(%i): %i 0x%1.1x\n", + at91sam7_info->securitybit, at91sam7_info->num_nvmbits, + at91sam7_info->num_nvmbits_on, at91sam7_info->nvmbits); - buf += printed; - buf_size -= printed; + buf += printed; + buf_size -= printed; - return ERROR_OK; + return ERROR_OK; } /* @@ -1134,80 +1128,80 @@ int at91sam7_info(struct flash_bank_s *bank, char *buf, int buf_size) */ int at91sam7_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { - flash_bank_t *bank; - int bit; - u8 flashcmd; - u32 status; - at91sam7_flash_bank_t *at91sam7_info; - int retval; - - if (argc != 2) - { - command_print(cmd_ctx, "at91sam7 gpnvm <bit> <set|clear>"); - return ERROR_OK; - } - - bank = get_flash_bank_by_num_noprobe(0); - if (bank == NULL) - { - return ERROR_FLASH_BANK_INVALID; - } - if (bank->driver != &at91sam7_flash) - { - command_print(cmd_ctx, "not an at91sam7 flash bank '%s'", args[0]); - return ERROR_FLASH_BANK_INVALID; - } - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("target has to be halted to perform flash operation"); - return ERROR_TARGET_NOT_HALTED; - } - - if (strcmp(args[1], "set") == 0) - { - flashcmd = SGPB; - } - else if (strcmp(args[1], "clear") == 0) - { - flashcmd = CGPB; - } - else - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - at91sam7_info = bank->driver_priv; - if (at91sam7_info->cidr == 0) - { - retval = at91sam7_read_part_info(bank); - if (retval != ERROR_OK) - { - return retval; - } - } - - bit = atoi(args[0]); - if ((bit < 0) || (bit >= at91sam7_info->num_nvmbits)) - { - command_print(cmd_ctx, "gpnvm bit '#%s' is out of bounds for target %s", args[0], at91sam7_info->target_name); - return ERROR_OK; - } - - /* Configure the flash controller timing */ - at91sam7_read_clock_info(bank); - at91sam7_set_flash_mode(bank, FMR_TIMING_NVBITS); - - if (at91sam7_flash_command(bank, flashcmd, bit) != ERROR_OK) - { - return ERROR_FLASH_OPERATION_FAILED; - } - - /* GPNVM and SECURITY bits apply only for MC_FSR of EFC0 */ - status = at91sam7_get_flash_status(bank->target, 0); - LOG_DEBUG("at91sam7_handle_gpnvm_command: cmd 0x%x, value 0x%x, status 0x%x \n", flashcmd, bit, status); - - /* check protect state */ - at91sam7_protect_check(bank); - - return ERROR_OK; + flash_bank_t *bank; + int bit; + u8 flashcmd; + u32 status; + at91sam7_flash_bank_t *at91sam7_info; + int retval; + + if (argc != 2) + { + command_print(cmd_ctx, "at91sam7 gpnvm <bit> <set|clear>"); + return ERROR_OK; + } + + bank = get_flash_bank_by_num_noprobe(0); + if (bank == NULL) + { + return ERROR_FLASH_BANK_INVALID; + } + if (bank->driver != &at91sam7_flash) + { + command_print(cmd_ctx, "not an at91sam7 flash bank '%s'", args[0]); + return ERROR_FLASH_BANK_INVALID; + } + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("target has to be halted to perform flash operation"); + return ERROR_TARGET_NOT_HALTED; + } + + if (strcmp(args[1], "set") == 0) + { + flashcmd = SGPB; + } + else if (strcmp(args[1], "clear") == 0) + { + flashcmd = CGPB; + } + else + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + at91sam7_info = bank->driver_priv; + if (at91sam7_info->cidr == 0) + { + retval = at91sam7_read_part_info(bank); + if (retval != ERROR_OK) + { + return retval; + } + } + + bit = atoi(args[0]); + if ((bit < 0) || (bit >= at91sam7_info->num_nvmbits)) + { + command_print(cmd_ctx, "gpnvm bit '#%s' is out of bounds for target %s", args[0], at91sam7_info->target_name); + return ERROR_OK; + } + + /* Configure the flash controller timing */ + at91sam7_read_clock_info(bank); + at91sam7_set_flash_mode(bank, FMR_TIMING_NVBITS); + + if (at91sam7_flash_command(bank, flashcmd, bit) != ERROR_OK) + { + return ERROR_FLASH_OPERATION_FAILED; + } + + /* GPNVM and SECURITY bits apply only for MC_FSR of EFC0 */ + status = at91sam7_get_flash_status(bank->target, 0); + LOG_DEBUG("at91sam7_handle_gpnvm_command: cmd 0x%x, value 0x%x, status 0x%x \n", flashcmd, bit, status); + + /* check protect state */ + at91sam7_protect_check(bank); + + return ERROR_OK; } diff --git a/src/flash/at91sam7.h b/src/flash/at91sam7.h index efc669e3..f57f36ec 100644 --- a/src/flash/at91sam7.h +++ b/src/flash/at91sam7.h @@ -26,95 +26,94 @@ #include "flash.h" #include "target.h" - typedef struct at91sam7_flash_bank_s { - /* chip id register */ - u32 cidr; - u16 cidr_ext; - u16 cidr_nvptyp; - u16 cidr_arch; - u16 cidr_sramsiz; - u16 cidr_nvpsiz; - u16 cidr_nvpsiz2; - u16 cidr_eproc; - u16 cidr_version; - char *target_name; - - /* flash auto-detection */ - u8 flash_autodetection; - - /* flash geometry */ - u16 pages_per_sector; - u16 pagesize; - u16 pages_in_lockregion; - - /* nv memory bits */ - u16 num_lockbits_on; - u16 lockbits; - u16 num_nvmbits; - u16 num_nvmbits_on; - u16 nvmbits; - u8 securitybit; - - /* 0: not init - 1: fmcn for nvbits (1uS) - 2: fmcn for flash (1.5uS) */ - u8 flashmode; - - /* main clock status */ - u8 mck_valid; - u32 mck_freq; - - /* external clock frequency */ - u32 ext_freq; + /* chip id register */ + u32 cidr; + u16 cidr_ext; + u16 cidr_nvptyp; + u16 cidr_arch; + u16 cidr_sramsiz; + u16 cidr_nvpsiz; + u16 cidr_nvpsiz2; + u16 cidr_eproc; + u16 cidr_version; + char *target_name; + + /* flash auto-detection */ + u8 flash_autodetection; + + /* flash geometry */ + u16 pages_per_sector; + u16 pagesize; + u16 pages_in_lockregion; + + /* nv memory bits */ + u16 num_lockbits_on; + u16 lockbits; + u16 num_nvmbits; + u16 num_nvmbits_on; + u16 nvmbits; + u8 securitybit; + + /* 0: not init + * 1: fmcn for nvbits (1uS) + * 2: fmcn for flash (1.5uS) */ + u8 flashmode; + + /* main clock status */ + u8 mck_valid; + u32 mck_freq; + + /* external clock frequency */ + u32 ext_freq; } at91sam7_flash_bank_t; /* AT91SAM7 control registers */ -#define DBGU_CIDR 0xFFFFF240 -#define CKGR_MCFR 0xFFFFFC24 -#define CKGR_MOR 0xFFFFFC20 -#define CKGR_MCFR_MAINRDY 0x10000 -#define CKGR_PLLR 0xFFFFFC2c -#define CKGR_PLLR_DIV 0xff -#define CKGR_PLLR_MUL 0x07ff0000 -#define PMC_MCKR 0xFFFFFC30 -#define PMC_MCKR_CSS 0x03 -#define PMC_MCKR_PRES 0x1c +#define DBGU_CIDR 0xFFFFF240 +#define CKGR_MCFR 0xFFFFFC24 +#define CKGR_MOR 0xFFFFFC20 +#define CKGR_MCFR_MAINRDY 0x10000 +#define CKGR_PLLR 0xFFFFFC2c +#define CKGR_PLLR_DIV 0xff +#define CKGR_PLLR_MUL 0x07ff0000 +#define PMC_MCKR 0xFFFFFC30 +#define PMC_MCKR_CSS 0x03 +#define PMC_MCKR_PRES 0x1c /* Flash Controller Commands */ -#define WP 0x01 -#define SLB 0x02 -#define WPL 0x03 -#define CLB 0x04 -#define EA 0x08 -#define SGPB 0x0B -#define CGPB 0x0D -#define SSB 0x0F +#define WP 0x01 +#define SLB 0x02 +#define WPL 0x03 +#define CLB 0x04 +#define EA 0x08 +#define SGPB 0x0B +#define CGPB 0x0D +#define SSB 0x0F /* MC_FSR bit definitions */ -#define MC_FSR_FRDY 1 -#define MC_FSR_EOL 2 +#define MC_FSR_FRDY 1 +#define MC_FSR_EOL 2 /* AT91SAM7 constants */ -#define RC_FREQ 32000 +#define RC_FREQ 32000 /* Flash timing modes */ -#define FMR_TIMING_NONE 0 -#define FMR_TIMING_NVBITS 1 -#define FMR_TIMING_FLASH 2 +#define FMR_TIMING_NONE 0 +#define FMR_TIMING_NVBITS 1 +#define FMR_TIMING_FLASH 2 /* Flash size constants */ -#define FLASH_SIZE_8KB 1 -#define FLASH_SIZE_16KB 2 -#define FLASH_SIZE_32KB 3 -#define FLASH_SIZE_64KB 5 -#define FLASH_SIZE_128KB 7 -#define FLASH_SIZE_256KB 9 -#define FLASH_SIZE_512KB 10 -#define FLASH_SIZE_1024KB 12 -#define FLASH_SIZE_2048KB 14 +#define FLASH_SIZE_8KB 1 +#define FLASH_SIZE_16KB 2 +#define FLASH_SIZE_32KB 3 +#define FLASH_SIZE_64KB 5 +#define FLASH_SIZE_128KB 7 +#define FLASH_SIZE_256KB 9 +#define FLASH_SIZE_512KB 10 +#define FLASH_SIZE_1024KB 12 +#define FLASH_SIZE_2048KB 14 #endif /* AT91SAM7_H */ diff --git a/src/flash/at91sam7_old.c b/src/flash/at91sam7_old.c index db14da6e..aa17e73d 100644 --- a/src/flash/at91sam7_old.c +++ b/src/flash/at91sam7_old.c @@ -1,954 +1,954 @@ -/***************************************************************************
- * Copyright (C) 2006 by Magnus Lundin *
- * lundin@mlu.mine.nu *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
-/***************************************************************************
-There are some things to notice
-
-* AT91SAM7S64 is tested
-* All AT91SAM7Sxx and AT91SAM7Xxx should work but is not tested
-* All parameters are identified from onchip configuartion registers
-*
-* The flash controller handles erases automatically on a page (128/265 byte) basis
-* Only an EraseAll command is supported by the controller
-* Partial erases can be implemented in software by writing one 0xFFFFFFFF word to
-* some location in every page in the region to be erased
-*
-* Lock regions (sectors) are 32 or 64 pages
-*
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "replacements.h"
-
-#include "at91sam7_old.h"
-
-#include "flash.h"
-#include "target.h"
-#include "log.h"
-#include "binarybuffer.h"
-#include "types.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-int at91sam7_old_register_commands(struct command_context_s *cmd_ctx);
-int at91sam7_old_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-int at91sam7_old_erase(struct flash_bank_s *bank, int first, int last);
-int at91sam7_old_protect(struct flash_bank_s *bank, int set, int first, int last);
-int at91sam7_old_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
-int at91sam7_old_probe(struct flash_bank_s *bank);
-int at91sam7_old_auto_probe(struct flash_bank_s *bank);
-int at91sam7_old_erase_check(struct flash_bank_s *bank);
-int at91sam7_old_protect_check(struct flash_bank_s *bank);
-int at91sam7_old_info(struct flash_bank_s *bank, char *buf, int buf_size);
-
-u32 at91sam7_old_get_flash_status(flash_bank_t *bank, u8 flashplane);
-void at91sam7_old_set_flash_mode(flash_bank_t *bank, u8 flashplane, int mode);
-u32 at91sam7_old_wait_status_busy(flash_bank_t *bank, u8 flashplane, u32 waitbits, int timeout);
-int at91sam7_old_flash_command(struct flash_bank_s *bank, u8 flashplane, u8 cmd, u16 pagen);
-int at91sam7_old_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-flash_driver_t at91sam7_old_flash =
-{
- .name = "at91sam7",
- .register_commands = at91sam7_old_register_commands,
- .flash_bank_command = at91sam7_old_flash_bank_command,
- .erase = at91sam7_old_erase,
- .protect = at91sam7_old_protect,
- .write = at91sam7_old_write,
- .probe = at91sam7_old_probe,
- .auto_probe = at91sam7_old_probe,
- .erase_check = at91sam7_old_erase_check,
- .protect_check = at91sam7_old_protect_check,
- .info = at91sam7_old_info
-};
-
-u32 MC_FMR_old[4] = { 0xFFFFFF60, 0xFFFFFF70, 0xFFFFFF80, 0xFFFFFF90 };
-u32 MC_FCR_old[4] = { 0xFFFFFF64, 0xFFFFFF74, 0xFFFFFF84, 0xFFFFFF94 };
-u32 MC_FSR_old[4] = { 0xFFFFFF68, 0xFFFFFF78, 0xFFFFFF88, 0xFFFFFF98 };
-
-char * EPROC_old[8]= {"Unknown","ARM946-E","ARM7TDMI","Unknown","ARM920T","ARM926EJ-S","Unknown","Unknown"};
-long NVPSIZ_old[16] = {
- 0,
- 0x2000, /* 8K */
- 0x4000, /* 16K */
- 0x8000, /* 32K */
- -1,
- 0x10000, /* 64K */
- -1,
- 0x20000, /* 128K */
- -1,
- 0x40000, /* 256K */
- 0x80000, /* 512K */
- -1,
- 0x100000, /* 1024K */
- -1,
- 0x200000, /* 2048K */
- -1
-};
-
-long SRAMSIZ_old[16] = {
- -1,
- 0x0400, /* 1K */
- 0x0800, /* 2K */
- -1,
- 0x1c000, /* 112K */
- 0x1000, /* 4K */
- 0x14000, /* 80K */
- 0x28000, /* 160K */
- 0x2000, /* 8K */
- 0x4000, /* 16K */
- 0x8000, /* 32K */
- 0x10000, /* 64K */
- 0x20000, /* 128K */
- 0x40000, /* 256K */
- 0x18000, /* 96K */
- 0x80000, /* 512K */
-};
-
-int at91sam7_old_register_commands(struct command_context_s *cmd_ctx)
-{
- command_t *at91sam7_old_cmd = register_command(cmd_ctx, NULL, "at91sam7", NULL, COMMAND_ANY, NULL);
- register_command(cmd_ctx, at91sam7_old_cmd, "gpnvm", at91sam7_old_handle_gpnvm_command, COMMAND_EXEC,
- "at91sam7 gpnvm <num> <bit> set|clear, set or clear at91sam7 gpnvm bit");
-
- return ERROR_OK;
-}
-
-u32 at91sam7_old_get_flash_status(flash_bank_t *bank, u8 flashplane)
-{
- target_t *target = bank->target;
- u32 fsr;
-
- target_read_u32(target, MC_FSR_old[flashplane], &fsr);
-
- return fsr;
-}
-
-/* Read clock configuration and set at91sam7_old_info->usec_clocks*/
-void at91sam7_old_read_clock_info(flash_bank_t *bank)
-{
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
- target_t *target = bank->target;
- u32 mckr, mcfr, pllr;
- unsigned long tmp = 0, mainfreq;
- int flashplane;
-
- /* Read main clock freqency register */
- target_read_u32(target, CKGR_MCFR_old, &mcfr);
- /* Read master clock register */
- target_read_u32(target, PMC_MCKR_old, &mckr);
- /* Read Clock Generator PLL Register */
- target_read_u32(target, CKGR_PLLR_old, &pllr);
-
- at91sam7_old_info->mck_valid = 0;
- switch (mckr & PMC_MCKR_CSS_old)
- {
- case 0: /* Slow Clock */
- at91sam7_old_info->mck_valid = 1;
- mainfreq = RC_FREQ_old / 16ul * (mcfr & 0xffff);
- tmp = mainfreq;
- break;
- case 1: /* Main Clock */
- if (mcfr & CKGR_MCFR_MAINRDY_old)
- {
- at91sam7_old_info->mck_valid = 1;
- mainfreq = RC_FREQ_old / 16ul * (mcfr & 0xffff);
- tmp = mainfreq;
- }
- break;
-
- case 2: /* Reserved */
- break;
- case 3: /* PLL Clock */
- if (mcfr & CKGR_MCFR_MAINRDY_old)
- {
- target_read_u32(target, CKGR_PLLR_old, &pllr);
- if (!(pllr & CKGR_PLLR_DIV_old))
- break; /* 0 Hz */
- at91sam7_old_info->mck_valid = 1;
- mainfreq = RC_FREQ_old / 16ul * (mcfr & 0xffff);
- /* Integer arithmetic should have sufficient precision
- as long as PLL is properly configured. */
- tmp = mainfreq / (pllr & CKGR_PLLR_DIV_old) *
- (((pllr & CKGR_PLLR_MUL_old) >> 16) + 1);
- }
- break;
- }
-
- /* Prescaler adjust */
- if (((mckr & PMC_MCKR_PRES_old) >> 2) == 7)
- at91sam7_old_info->mck_valid = 0;
- else
- at91sam7_old_info->mck_freq = tmp >> ((mckr & PMC_MCKR_PRES_old) >> 2);
-
- /* Forget old flash timing */
- for (flashplane = 0; flashplane<at91sam7_old_info->num_planes; flashplane++)
- {
- at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_NONE_old);
- }
-}
-
-/* Setup the timimg registers for nvbits or normal flash */
-void at91sam7_old_set_flash_mode(flash_bank_t *bank, u8 flashplane, int mode)
-{
- u32 fmr, fmcn = 0, fws = 0;
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
- target_t *target = bank->target;
-
- if (mode && (mode != at91sam7_old_info->flashmode[flashplane]))
- {
- /* Always round up (ceil) */
- if (mode==FMR_TIMING_NVBITS_old)
- {
- if (at91sam7_old_info->cidr_arch == 0x60)
- {
- /* AT91SAM7A3 uses master clocks in 100 ns */
- fmcn = (at91sam7_old_info->mck_freq/10000000ul)+1;
- }
- else
- {
- /* master clocks in 1uS for ARCH 0x7 types */
- fmcn = (at91sam7_old_info->mck_freq/1000000ul)+1;
- }
- }
- else if (mode==FMR_TIMING_FLASH_old)
- /* main clocks in 1.5uS */
- fmcn = (at91sam7_old_info->mck_freq/666666ul)+1;
-
- /* Only allow fmcn=0 if clock period is > 30 us = 33kHz. */
- if (at91sam7_old_info->mck_freq <= 33333ul)
- fmcn = 0;
- /* Only allow fws=0 if clock frequency is < 30 MHz. */
- if (at91sam7_old_info->mck_freq > 30000000ul)
- fws = 1;
-
- LOG_DEBUG("fmcn[%i]: %i", flashplane, fmcn);
- fmr = fmcn << 16 | fws << 8;
- target_write_u32(target, MC_FMR_old[flashplane], fmr);
- }
-
- at91sam7_old_info->flashmode[flashplane] = mode;
-}
-
-u32 at91sam7_old_wait_status_busy(flash_bank_t *bank, u8 flashplane, u32 waitbits, int timeout)
-{
- u32 status;
-
- while ((!((status = at91sam7_old_get_flash_status(bank,flashplane)) & waitbits)) && (timeout-- > 0))
- {
- LOG_DEBUG("status[%i]: 0x%x", flashplane, status);
- alive_sleep(1);
- }
-
- LOG_DEBUG("status[%i]: 0x%x", flashplane, status);
-
- if (status & 0x0C)
- {
- LOG_ERROR("status register: 0x%x", status);
- if (status & 0x4)
- LOG_ERROR("Lock Error Bit Detected, Operation Abort");
- if (status & 0x8)
- LOG_ERROR("Invalid command and/or bad keyword, Operation Abort");
- if (status & 0x10)
- LOG_ERROR("Security Bit Set, Operation Abort");
- }
-
- return status;
-}
-
-
-/* Send one command to the AT91SAM flash controller */
-int at91sam7_old_flash_command(struct flash_bank_s *bank, u8 flashplane, u8 cmd, u16 pagen)
-{
- u32 fcr;
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
- target_t *target = bank->target;
-
- fcr = (0x5A<<24) | ((pagen&0x3FF)<<8) | cmd;
- target_write_u32(target, MC_FCR_old[flashplane], fcr);
- LOG_DEBUG("Flash command: 0x%x, flashplane: %i, pagenumber:%u", fcr, flashplane, pagen);
-
- if ((at91sam7_old_info->cidr_arch == 0x60)&&((cmd==SLB_old)|(cmd==CLB_old)))
- {
- /* Lock bit manipulation on AT91SAM7A3 waits for FC_FSR bit 1, EOL */
- if (at91sam7_old_wait_status_busy(bank, flashplane, MC_FSR_EOL_old, 10)&0x0C)
- {
- return ERROR_FLASH_OPERATION_FAILED;
- }
- return ERROR_OK;
- }
-
- if (at91sam7_old_wait_status_busy(bank, flashplane, MC_FSR_FRDY_old, 10)&0x0C)
- {
- return ERROR_FLASH_OPERATION_FAILED;
- }
- return ERROR_OK;
-}
-
-/* Read device id register, main clock frequency register and fill in driver info structure */
-int at91sam7_old_read_part_info(struct flash_bank_s *bank)
-{
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
- target_t *target = bank->target;
- u32 cidr, status;
- int sectornum;
-
- if (at91sam7_old_info->cidr != 0)
- return ERROR_OK; /* already probed, multiple probes may cause memory leak, not allowed */
-
- /* Read and parse chip identification register */
- target_read_u32(target, DBGU_CIDR_old, &cidr);
-
- if (cidr == 0)
- {
- LOG_WARNING("Cannot identify target as an AT91SAM");
- return ERROR_FLASH_OPERATION_FAILED;
- }
-
- at91sam7_old_info->cidr = cidr;
- at91sam7_old_info->cidr_ext = (cidr>>31)&0x0001;
- at91sam7_old_info->cidr_nvptyp = (cidr>>28)&0x0007;
- at91sam7_old_info->cidr_arch = (cidr>>20)&0x00FF;
- at91sam7_old_info->cidr_sramsiz = (cidr>>16)&0x000F;
- at91sam7_old_info->cidr_nvpsiz2 = (cidr>>12)&0x000F;
- at91sam7_old_info->cidr_nvpsiz = (cidr>>8)&0x000F;
- at91sam7_old_info->cidr_eproc = (cidr>>5)&0x0007;
- at91sam7_old_info->cidr_version = cidr&0x001F;
- bank->size = NVPSIZ_old[at91sam7_old_info->cidr_nvpsiz];
- at91sam7_old_info->target_name = "Unknown";
-
- /* Support just for bulk erase of a single flash plane, whole device if flash size <= 256k */
- if (NVPSIZ_old[at91sam7_old_info->cidr_nvpsiz]<0x80000) /* Flash size less than 512K, one flash plane */
- {
- bank->num_sectors = 1;
- bank->sectors = malloc(sizeof(flash_sector_t));
- bank->sectors[0].offset = 0;
- bank->sectors[0].size = bank->size;
- bank->sectors[0].is_erased = -1;
- bank->sectors[0].is_protected = -1;
- }
- else /* Flash size 512K or larger, several flash planes */
- {
- bank->num_sectors = NVPSIZ_old[at91sam7_old_info->cidr_nvpsiz]/0x40000;
- bank->sectors = malloc(bank->num_sectors*sizeof(flash_sector_t));
- for (sectornum=0; sectornum<bank->num_sectors; sectornum++)
- {
- bank->sectors[sectornum].offset = sectornum*0x40000;
- bank->sectors[sectornum].size = 0x40000;
- bank->sectors[sectornum].is_erased = -1;
- bank->sectors[sectornum].is_protected = -1;
- }
- }
-
-
-
- LOG_DEBUG("nvptyp: 0x%3.3x, arch: 0x%4.4x", at91sam7_old_info->cidr_nvptyp, at91sam7_old_info->cidr_arch );
-
- /* Read main and master clock freqency register */
- at91sam7_old_read_clock_info(bank);
-
- at91sam7_old_info->num_planes = 1;
- status = at91sam7_old_get_flash_status(bank, 0);
- at91sam7_old_info->securitybit = (status>>4)&0x01;
- at91sam7_old_protect_check(bank); /* TODO Check the protect check */
-
- if (at91sam7_old_info->cidr_arch == 0x70 )
- {
- at91sam7_old_info->num_nvmbits = 2;
- at91sam7_old_info->nvmbits = (status>>8)&0x03;
- bank->base = 0x100000;
- bank->bus_width = 4;
- if (bank->size==0x80000) /* AT91SAM7S512 */
- {
- at91sam7_old_info->target_name = "AT91SAM7S512";
- at91sam7_old_info->num_planes = 2;
- if (at91sam7_old_info->num_planes != bank->num_sectors)
- LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");;
- at91sam7_old_info->num_lockbits = 2*16;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 2*16*64;
- }
- if (bank->size==0x40000) /* AT91SAM7S256 */
- {
- at91sam7_old_info->target_name = "AT91SAM7S256";
- at91sam7_old_info->num_lockbits = 16;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 16*64;
- }
- if (bank->size==0x20000) /* AT91SAM7S128 */
- {
- at91sam7_old_info->target_name = "AT91SAM7S128";
- at91sam7_old_info->num_lockbits = 8;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 8*64;
- }
- if (bank->size==0x10000) /* AT91SAM7S64 */
- {
- at91sam7_old_info->target_name = "AT91SAM7S64";
- at91sam7_old_info->num_lockbits = 16;
- at91sam7_old_info->pagesize = 128;
- at91sam7_old_info->pages_in_lockregion = 32;
- at91sam7_old_info->num_pages = 16*32;
- }
- if (bank->size==0x08000) /* AT91SAM7S321/32 */
- {
- at91sam7_old_info->target_name = "AT91SAM7S321/32";
- at91sam7_old_info->num_lockbits = 8;
- at91sam7_old_info->pagesize = 128;
- at91sam7_old_info->pages_in_lockregion = 32;
- at91sam7_old_info->num_pages = 8*32;
- }
-
- return ERROR_OK;
- }
-
- if (at91sam7_old_info->cidr_arch == 0x71 )
- {
- at91sam7_old_info->num_nvmbits = 3;
- at91sam7_old_info->nvmbits = (status>>8)&0x07;
- bank->base = 0x100000;
- bank->bus_width = 4;
- if (bank->size==0x80000) /* AT91SAM7XC512 */
- {
- at91sam7_old_info->target_name = "AT91SAM7XC512";
- at91sam7_old_info->num_planes = 2;
- if (at91sam7_old_info->num_planes != bank->num_sectors)
- LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");;
- at91sam7_old_info->num_lockbits = 2*16;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 2*16*64;
- }
- if (bank->size==0x40000) /* AT91SAM7XC256 */
- {
- at91sam7_old_info->target_name = "AT91SAM7XC256";
- at91sam7_old_info->num_lockbits = 16;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 16*64;
- }
- if (bank->size==0x20000) /* AT91SAM7XC128 */
- {
- at91sam7_old_info->target_name = "AT91SAM7XC128";
- at91sam7_old_info->num_lockbits = 8;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 8*64;
- }
-
- return ERROR_OK;
- }
-
- if (at91sam7_old_info->cidr_arch == 0x72 )
- {
- at91sam7_old_info->num_nvmbits = 3;
- at91sam7_old_info->nvmbits = (status>>8)&0x07;
- bank->base = 0x100000;
- bank->bus_width = 4;
- if (bank->size==0x80000) /* AT91SAM7SE512 */
- {
- at91sam7_old_info->target_name = "AT91SAM7SE512";
- at91sam7_old_info->num_planes = 2;
- if (at91sam7_old_info->num_planes != bank->num_sectors)
- LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");;
- at91sam7_old_info->num_lockbits = 32;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 32*64;
- }
- if (bank->size==0x40000)
- {
- at91sam7_old_info->target_name = "AT91SAM7SE256";
- at91sam7_old_info->num_lockbits = 16;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 16*64;
- }
- if (bank->size==0x08000)
- {
- at91sam7_old_info->target_name = "AT91SAM7SE32";
- at91sam7_old_info->num_lockbits = 8;
- at91sam7_old_info->pagesize = 128;
- at91sam7_old_info->pages_in_lockregion = 32;
- at91sam7_old_info->num_pages = 8*32;
- }
-
- return ERROR_OK;
- }
-
- if (at91sam7_old_info->cidr_arch == 0x75 )
- {
- at91sam7_old_info->num_nvmbits = 3;
- at91sam7_old_info->nvmbits = (status>>8)&0x07;
- bank->base = 0x100000;
- bank->bus_width = 4;
- if (bank->size==0x80000) /* AT91SAM7X512 */
- {
- at91sam7_old_info->target_name = "AT91SAM7X512";
- at91sam7_old_info->num_planes = 2;
- if (at91sam7_old_info->num_planes != bank->num_sectors)
- LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");;
- at91sam7_old_info->num_lockbits = 32;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 2*16*64;
- LOG_DEBUG("Support for AT91SAM7X512 is experimental in this version!");
- }
- if (bank->size==0x40000) /* AT91SAM7X256 */
- {
- at91sam7_old_info->target_name = "AT91SAM7X256";
- at91sam7_old_info->num_lockbits = 16;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 16*64;
- }
- if (bank->size==0x20000) /* AT91SAM7X128 */
- {
- at91sam7_old_info->target_name = "AT91SAM7X128";
- at91sam7_old_info->num_lockbits = 8;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 64;
- at91sam7_old_info->num_pages = 8*64;
- }
-
- return ERROR_OK;
- }
-
- if (at91sam7_old_info->cidr_arch == 0x60 )
- {
- at91sam7_old_info->num_nvmbits = 3;
- at91sam7_old_info->nvmbits = (status>>8)&0x07;
- bank->base = 0x100000;
- bank->bus_width = 4;
-
- if (bank->size == 0x40000) /* AT91SAM7A3 */
- {
- at91sam7_old_info->target_name = "AT91SAM7A3";
- at91sam7_old_info->num_lockbits = 16;
- at91sam7_old_info->pagesize = 256;
- at91sam7_old_info->pages_in_lockregion = 16;
- at91sam7_old_info->num_pages = 16*64;
- }
- return ERROR_OK;
- }
-
- LOG_WARNING("at91sam7_old flash only tested for AT91SAM7Sxx series");
- return ERROR_OK;
-}
-
-int at91sam7_old_erase_check(struct flash_bank_s *bank)
-{
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
-
- if (!at91sam7_old_info->working_area_size)
- {
- }
- else
- {
- }
-
- return ERROR_OK;
-}
-
-int at91sam7_old_protect_check(struct flash_bank_s *bank)
-{
- u32 status;
- int flashplane;
-
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
-
- if (at91sam7_old_info->cidr == 0)
- {
- return ERROR_FLASH_BANK_NOT_PROBED;
- }
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- for (flashplane=0;flashplane<at91sam7_old_info->num_planes;flashplane++)
- {
- status = at91sam7_old_get_flash_status(bank, flashplane);
- at91sam7_old_info->lockbits[flashplane] = (status >> 16);
- }
-
- return ERROR_OK;
-}
-
-/* flash_bank at91sam7_old 0 0 0 0 <target#>
- */
-int at91sam7_old_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
-{
- at91sam7_old_flash_bank_t *at91sam7_old_info;
- int i;
-
- if (argc < 6)
- {
- LOG_WARNING("incomplete flash_bank at91sam7_old configuration");
- return ERROR_FLASH_BANK_INVALID;
- }
-
- at91sam7_old_info = malloc(sizeof(at91sam7_old_flash_bank_t));
- bank->driver_priv = at91sam7_old_info;
-
- /* part wasn't probed for info yet */
- at91sam7_old_info->cidr = 0;
- for (i=0;i<4;i++)
- at91sam7_old_info->flashmode[i]=0;
-
- return ERROR_OK;
-}
-
-int at91sam7_old_erase(struct flash_bank_s *bank, int first, int last)
-{
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
- u8 flashplane;
-
- if (at91sam7_old_info->cidr == 0)
- {
- return ERROR_FLASH_BANK_NOT_PROBED;
- }
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- if ((first < 0) || (last < first) || (last >= bank->num_sectors))
- {
- if ((first == 0) && (last == (at91sam7_old_info->num_lockbits-1)))
- {
- LOG_WARNING("Sector numbers based on lockbit count, probably a deprecated script");
- last = bank->num_sectors-1;
- }
- else return ERROR_FLASH_SECTOR_INVALID;
- }
-
- /* Configure the flash controller timing */
- at91sam7_old_read_clock_info(bank);
- for (flashplane = first; flashplane<=last; flashplane++)
- {
- /* Configure the flash controller timing */
- at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_FLASH_old);
- if (at91sam7_old_flash_command(bank, flashplane, EA_old, 0) != ERROR_OK)
- {
- return ERROR_FLASH_OPERATION_FAILED;
- }
- }
- return ERROR_OK;
-
-}
-
-int at91sam7_old_protect(struct flash_bank_s *bank, int set, int first, int last)
-{
- u32 cmd, pagen;
- u8 flashplane;
- int lockregion;
-
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
-
- if (at91sam7_old_info->cidr == 0)
- {
- return ERROR_FLASH_BANK_NOT_PROBED;
- }
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- if ((first < 0) || (last < first) || (last >= at91sam7_old_info->num_lockbits))
- {
- return ERROR_FLASH_SECTOR_INVALID;
- }
-
- at91sam7_old_read_clock_info(bank);
-
- for (lockregion=first;lockregion<=last;lockregion++)
- {
- pagen = lockregion*at91sam7_old_info->pages_in_lockregion;
- flashplane = (pagen>>10)&0x03;
- /* Configure the flash controller timing */
- at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_NVBITS_old);
-
- if (set)
- cmd = SLB_old;
- else
- cmd = CLB_old;
-
- if (at91sam7_old_flash_command(bank, flashplane, cmd, pagen) != ERROR_OK)
- {
- return ERROR_FLASH_OPERATION_FAILED;
- }
- }
-
- at91sam7_old_protect_check(bank);
-
- return ERROR_OK;
-}
-
-
-int at91sam7_old_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
-{
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
- target_t *target = bank->target;
- u32 dst_min_alignment, wcount, bytes_remaining = count;
- u32 first_page, last_page, pagen, buffer_pos;
- u8 flashplane;
-
- if (at91sam7_old_info->cidr == 0)
- {
- return ERROR_FLASH_BANK_NOT_PROBED;
- }
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- if (offset + count > bank->size)
- return ERROR_FLASH_DST_OUT_OF_BANK;
-
- dst_min_alignment = at91sam7_old_info->pagesize;
-
- if (offset % dst_min_alignment)
- {
- LOG_WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);
- return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
- }
-
- if (at91sam7_old_info->cidr_arch == 0)
- return ERROR_FLASH_BANK_NOT_PROBED;
-
- first_page = offset/dst_min_alignment;
- last_page = CEIL(offset + count, dst_min_alignment);
-
- LOG_DEBUG("first_page: %i, last_page: %i, count %i", first_page, last_page, count);
-
- at91sam7_old_read_clock_info(bank);
-
- for (pagen=first_page; pagen<last_page; pagen++)
- {
- if (bytes_remaining<dst_min_alignment)
- count = bytes_remaining;
- else
- count = dst_min_alignment;
- bytes_remaining -= count;
-
- /* Write one block to the PageWriteBuffer */
- buffer_pos = (pagen-first_page)*dst_min_alignment;
- wcount = CEIL(count,4);
- target->type->write_memory(target, bank->base+pagen*dst_min_alignment, 4, wcount, buffer+buffer_pos);
- flashplane = (pagen>>10)&0x3;
-
- /* Configure the flash controller timing */
- at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_FLASH_old);
- /* Send Write Page command to Flash Controller */
- if (at91sam7_old_flash_command(bank, flashplane, WP_old, pagen) != ERROR_OK)
- {
- return ERROR_FLASH_OPERATION_FAILED;
- }
- LOG_DEBUG("Write flash plane:%i page number:%i", flashplane, pagen);
- }
-
- return ERROR_OK;
-}
-
-
-int at91sam7_old_probe(struct flash_bank_s *bank)
-{
- /* we can't probe on an at91sam7_old
- * if this is an at91sam7_old, it has the configured flash
- */
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
- int retval;
-
- if (at91sam7_old_info->cidr != 0)
- {
- return ERROR_OK; /* already probed */
- }
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- retval = at91sam7_old_read_part_info(bank);
- if (retval != ERROR_OK)
- return retval;
-
- return ERROR_OK;
-}
-
-
-int at91sam7_old_info(struct flash_bank_s *bank, char *buf, int buf_size)
-{
- int printed, flashplane;
- at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv;
-
- if (at91sam7_old_info->cidr == 0)
- {
- return ERROR_FLASH_BANK_NOT_PROBED;
- }
-
- printed = snprintf(buf, buf_size, "\nat91sam7_old information: Chip is %s\n",at91sam7_old_info->target_name);
- buf += printed;
- buf_size -= printed;
-
- printed = snprintf(buf, buf_size, "cidr: 0x%8.8x, arch: 0x%4.4x, eproc: %s, version:0x%3.3x, flashsize: 0x%8.8x\n",
- at91sam7_old_info->cidr, at91sam7_old_info->cidr_arch, EPROC_old[at91sam7_old_info->cidr_eproc], at91sam7_old_info->cidr_version, bank->size);
- buf += printed;
- buf_size -= printed;
-
- printed = snprintf(buf, buf_size, "master clock(estimated): %ikHz \n", at91sam7_old_info->mck_freq / 1000);
- buf += printed;
- buf_size -= printed;
-
- if (at91sam7_old_info->num_planes>1) {
- printed = snprintf(buf, buf_size, "flashplanes: %i, pagesize: %i, lock regions: %i, pages in lock region: %i \n",
- at91sam7_old_info->num_planes, at91sam7_old_info->pagesize, at91sam7_old_info->num_lockbits, at91sam7_old_info->num_pages/at91sam7_old_info->num_lockbits);
- buf += printed;
- buf_size -= printed;
- for (flashplane=0; flashplane<at91sam7_old_info->num_planes; flashplane++)
- {
- printed = snprintf(buf, buf_size, "lockbits[%i]: 0x%4.4x, ", flashplane, at91sam7_old_info->lockbits[flashplane]);
- buf += printed;
- buf_size -= printed;
- }
- }
- else
- if (at91sam7_old_info->num_lockbits>0) {
- printed = snprintf(buf, buf_size, "pagesize: %i, lockbits: %i 0x%4.4x, pages in lock region: %i \n",
- at91sam7_old_info->pagesize, at91sam7_old_info->num_lockbits, at91sam7_old_info->lockbits[0], at91sam7_old_info->num_pages/at91sam7_old_info->num_lockbits);
- buf += printed;
- buf_size -= printed;
- }
-
- printed = snprintf(buf, buf_size, "securitybit: %i, nvmbits(%i): 0x%1.1x\n", at91sam7_old_info->securitybit, at91sam7_old_info->num_nvmbits, at91sam7_old_info->nvmbits);
- buf += printed;
- buf_size -= printed;
-
- return ERROR_OK;
-}
-
-/*
-* On AT91SAM7S: When the gpnvm bits are set with
-* > at91sam7_old gpnvm 0 bitnr set
-* the changes are not visible in the flash controller status register MC_FSR_old
-* until the processor has been reset.
-* On the Olimex board this requires a power cycle.
-* Note that the AT91SAM7S has the following errata (doc6175.pdf sec 14.1.3):
-* The maximum number of write/erase cycles for Non Volatile Memory bits is 100. This includes
-* Lock Bits (LOCKx), General Purpose NVM bits (GPNVMx) and the Security Bit.
-*/
-int at91sam7_old_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- flash_bank_t *bank;
- int bit;
- u8 flashcmd;
- u32 status;
- char *value;
- at91sam7_old_flash_bank_t *at91sam7_old_info;
- int retval;
-
- if (argc < 3)
- {
- command_print(cmd_ctx, "at91sam7_old gpnvm <num> <bit> <set|clear>");
- return ERROR_OK;
- }
-
- bank = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
- bit = atoi(args[1]);
- value = args[2];
-
- if (bank == NULL)
- {
- return ERROR_FLASH_BANK_INVALID;
- }
-
- if (bank->driver != &at91sam7_old_flash)
- {
- command_print(cmd_ctx, "not an at91sam7_old flash bank '%s'", args[0]);
- return ERROR_FLASH_BANK_INVALID;
- }
-
- if (strcmp(value, "set") == 0)
- {
- flashcmd = SGPB_old;
- }
- else if (strcmp(value, "clear") == 0)
- {
- flashcmd = CGPB_old;
- }
- else
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- at91sam7_old_info = bank->driver_priv;
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("target has to be halted to perform flash operation");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- if (at91sam7_old_info->cidr == 0)
- {
- retval = at91sam7_old_read_part_info(bank);
- if (retval != ERROR_OK) {
- return retval;
- }
- }
-
- if ((bit<0) || (at91sam7_old_info->num_nvmbits <= bit))
- {
- command_print(cmd_ctx, "gpnvm bit '#%s' is out of bounds for target %s", args[1],at91sam7_old_info->target_name);
- return ERROR_OK;
- }
-
- /* Configure the flash controller timing */
- at91sam7_old_read_clock_info(bank);
- at91sam7_old_set_flash_mode(bank, 0, FMR_TIMING_NVBITS_old);
-
- if (at91sam7_old_flash_command(bank, 0, flashcmd, (u16)(bit)) != ERROR_OK)
- {
- return ERROR_FLASH_OPERATION_FAILED;
- }
-
- status = at91sam7_old_get_flash_status(bank, 0);
- LOG_DEBUG("at91sam7_handle_gpnvm_command: cmd 0x%x, value 0x%x, status 0x%x \n",flashcmd,bit,status);
- at91sam7_old_info->nvmbits = (status>>8)&((1<<at91sam7_old_info->num_nvmbits)-1);
-
- return ERROR_OK;
-}
+/*************************************************************************** + * Copyright (C) 2006 by Magnus Lundin * + * lundin@mlu.mine.nu * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +/*************************************************************************** +There are some things to notice + +* AT91SAM7S64 is tested +* All AT91SAM7Sxx and AT91SAM7Xxx should work but is not tested +* All parameters are identified from onchip configuartion registers +* +* The flash controller handles erases automatically on a page (128/265 byte) basis +* Only an EraseAll command is supported by the controller +* Partial erases can be implemented in software by writing one 0xFFFFFFFF word to +* some location in every page in the region to be erased +* +* Lock regions (sectors) are 32 or 64 pages +* + ***************************************************************************/ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "replacements.h" + +#include "at91sam7_old.h" + +#include "flash.h" +#include "target.h" +#include "log.h" +#include "binarybuffer.h" +#include "types.h" + +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +int at91sam7_old_register_commands(struct command_context_s *cmd_ctx); +int at91sam7_old_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank); +int at91sam7_old_erase(struct flash_bank_s *bank, int first, int last); +int at91sam7_old_protect(struct flash_bank_s *bank, int set, int first, int last); +int at91sam7_old_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count); +int at91sam7_old_probe(struct flash_bank_s *bank); +int at91sam7_old_auto_probe(struct flash_bank_s *bank); +int at91sam7_old_erase_check(struct flash_bank_s *bank); +int at91sam7_old_protect_check(struct flash_bank_s *bank); +int at91sam7_old_info(struct flash_bank_s *bank, char *buf, int buf_size); + +u32 at91sam7_old_get_flash_status(flash_bank_t *bank, u8 flashplane); +void at91sam7_old_set_flash_mode(flash_bank_t *bank, u8 flashplane, int mode); +u32 at91sam7_old_wait_status_busy(flash_bank_t *bank, u8 flashplane, u32 waitbits, int timeout); +int at91sam7_old_flash_command(struct flash_bank_s *bank, u8 flashplane, u8 cmd, u16 pagen); +int at91sam7_old_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); + +flash_driver_t at91sam7_old_flash = +{ + .name = "at91sam7", + .register_commands = at91sam7_old_register_commands, + .flash_bank_command = at91sam7_old_flash_bank_command, + .erase = at91sam7_old_erase, + .protect = at91sam7_old_protect, + .write = at91sam7_old_write, + .probe = at91sam7_old_probe, + .auto_probe = at91sam7_old_probe, + .erase_check = at91sam7_old_erase_check, + .protect_check = at91sam7_old_protect_check, + .info = at91sam7_old_info +}; + +u32 MC_FMR_old[4] = { 0xFFFFFF60, 0xFFFFFF70, 0xFFFFFF80, 0xFFFFFF90 }; +u32 MC_FCR_old[4] = { 0xFFFFFF64, 0xFFFFFF74, 0xFFFFFF84, 0xFFFFFF94 }; +u32 MC_FSR_old[4] = { 0xFFFFFF68, 0xFFFFFF78, 0xFFFFFF88, 0xFFFFFF98 }; + +char * EPROC_old[8]= {"Unknown","ARM946-E","ARM7TDMI","Unknown","ARM920T","ARM926EJ-S","Unknown","Unknown"}; +long NVPSIZ_old[16] = { + 0, + 0x2000, /* 8K */ + 0x4000, /* 16K */ + 0x8000, /* 32K */ + -1, + 0x10000, /* 64K */ + -1, + 0x20000, /* 128K */ + -1, + 0x40000, /* 256K */ + 0x80000, /* 512K */ + -1, + 0x100000, /* 1024K */ + -1, + 0x200000, /* 2048K */ + -1 +}; + +long SRAMSIZ_old[16] = { + -1, + 0x0400, /* 1K */ + 0x0800, /* 2K */ + -1, + 0x1c000, /* 112K */ + 0x1000, /* 4K */ + 0x14000, /* 80K */ + 0x28000, /* 160K */ + 0x2000, /* 8K */ + 0x4000, /* 16K */ + 0x8000, /* 32K */ + 0x10000, /* 64K */ + 0x20000, /* 128K */ + 0x40000, /* 256K */ + 0x18000, /* 96K */ + 0x80000, /* 512K */ +}; + +int at91sam7_old_register_commands(struct command_context_s *cmd_ctx) +{ + command_t *at91sam7_old_cmd = register_command(cmd_ctx, NULL, "at91sam7", NULL, COMMAND_ANY, NULL); + register_command(cmd_ctx, at91sam7_old_cmd, "gpnvm", at91sam7_old_handle_gpnvm_command, COMMAND_EXEC, + "at91sam7 gpnvm <num> <bit> set|clear, set or clear at91sam7 gpnvm bit"); + + return ERROR_OK; +} + +u32 at91sam7_old_get_flash_status(flash_bank_t *bank, u8 flashplane) +{ + target_t *target = bank->target; + u32 fsr; + + target_read_u32(target, MC_FSR_old[flashplane], &fsr); + + return fsr; +} + +/* Read clock configuration and set at91sam7_old_info->usec_clocks*/ +void at91sam7_old_read_clock_info(flash_bank_t *bank) +{ + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + target_t *target = bank->target; + u32 mckr, mcfr, pllr; + unsigned long tmp = 0, mainfreq; + int flashplane; + + /* Read main clock freqency register */ + target_read_u32(target, CKGR_MCFR_old, &mcfr); + /* Read master clock register */ + target_read_u32(target, PMC_MCKR_old, &mckr); + /* Read Clock Generator PLL Register */ + target_read_u32(target, CKGR_PLLR_old, &pllr); + + at91sam7_old_info->mck_valid = 0; + switch (mckr & PMC_MCKR_CSS_old) + { + case 0: /* Slow Clock */ + at91sam7_old_info->mck_valid = 1; + mainfreq = RC_FREQ_old / 16ul * (mcfr & 0xffff); + tmp = mainfreq; + break; + case 1: /* Main Clock */ + if (mcfr & CKGR_MCFR_MAINRDY_old) + { + at91sam7_old_info->mck_valid = 1; + mainfreq = RC_FREQ_old / 16ul * (mcfr & 0xffff); + tmp = mainfreq; + } + break; + + case 2: /* Reserved */ + break; + case 3: /* PLL Clock */ + if (mcfr & CKGR_MCFR_MAINRDY_old) + { + target_read_u32(target, CKGR_PLLR_old, &pllr); + if (!(pllr & CKGR_PLLR_DIV_old)) + break; /* 0 Hz */ + at91sam7_old_info->mck_valid = 1; + mainfreq = RC_FREQ_old / 16ul * (mcfr & 0xffff); + /* Integer arithmetic should have sufficient precision + as long as PLL is properly configured. */ + tmp = mainfreq / (pllr & CKGR_PLLR_DIV_old) * + (((pllr & CKGR_PLLR_MUL_old) >> 16) + 1); + } + break; + } + + /* Prescaler adjust */ + if (((mckr & PMC_MCKR_PRES_old) >> 2) == 7) + at91sam7_old_info->mck_valid = 0; + else + at91sam7_old_info->mck_freq = tmp >> ((mckr & PMC_MCKR_PRES_old) >> 2); + + /* Forget old flash timing */ + for (flashplane = 0; flashplane<at91sam7_old_info->num_planes; flashplane++) + { + at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_NONE_old); + } +} + +/* Setup the timimg registers for nvbits or normal flash */ +void at91sam7_old_set_flash_mode(flash_bank_t *bank, u8 flashplane, int mode) +{ + u32 fmr, fmcn = 0, fws = 0; + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + target_t *target = bank->target; + + if (mode && (mode != at91sam7_old_info->flashmode[flashplane])) + { + /* Always round up (ceil) */ + if (mode==FMR_TIMING_NVBITS_old) + { + if (at91sam7_old_info->cidr_arch == 0x60) + { + /* AT91SAM7A3 uses master clocks in 100 ns */ + fmcn = (at91sam7_old_info->mck_freq/10000000ul)+1; + } + else + { + /* master clocks in 1uS for ARCH 0x7 types */ + fmcn = (at91sam7_old_info->mck_freq/1000000ul)+1; + } + } + else if (mode==FMR_TIMING_FLASH_old) + /* main clocks in 1.5uS */ + fmcn = (at91sam7_old_info->mck_freq/666666ul)+1; + + /* Only allow fmcn=0 if clock period is > 30 us = 33kHz. */ + if (at91sam7_old_info->mck_freq <= 33333ul) + fmcn = 0; + /* Only allow fws=0 if clock frequency is < 30 MHz. */ + if (at91sam7_old_info->mck_freq > 30000000ul) + fws = 1; + + LOG_DEBUG("fmcn[%i]: %i", flashplane, fmcn); + fmr = fmcn << 16 | fws << 8; + target_write_u32(target, MC_FMR_old[flashplane], fmr); + } + + at91sam7_old_info->flashmode[flashplane] = mode; +} + +u32 at91sam7_old_wait_status_busy(flash_bank_t *bank, u8 flashplane, u32 waitbits, int timeout) +{ + u32 status; + + while ((!((status = at91sam7_old_get_flash_status(bank,flashplane)) & waitbits)) && (timeout-- > 0)) + { + LOG_DEBUG("status[%i]: 0x%x", flashplane, status); + alive_sleep(1); + } + + LOG_DEBUG("status[%i]: 0x%x", flashplane, status); + + if (status & 0x0C) + { + LOG_ERROR("status register: 0x%x", status); + if (status & 0x4) + LOG_ERROR("Lock Error Bit Detected, Operation Abort"); + if (status & 0x8) + LOG_ERROR("Invalid command and/or bad keyword, Operation Abort"); + if (status & 0x10) + LOG_ERROR("Security Bit Set, Operation Abort"); + } + + return status; +} + + +/* Send one command to the AT91SAM flash controller */ +int at91sam7_old_flash_command(struct flash_bank_s *bank, u8 flashplane, u8 cmd, u16 pagen) +{ + u32 fcr; + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + target_t *target = bank->target; + + fcr = (0x5A<<24) | ((pagen&0x3FF)<<8) | cmd; + target_write_u32(target, MC_FCR_old[flashplane], fcr); + LOG_DEBUG("Flash command: 0x%x, flashplane: %i, pagenumber:%u", fcr, flashplane, pagen); + + if ((at91sam7_old_info->cidr_arch == 0x60)&&((cmd==SLB_old)|(cmd==CLB_old))) + { + /* Lock bit manipulation on AT91SAM7A3 waits for FC_FSR bit 1, EOL */ + if (at91sam7_old_wait_status_busy(bank, flashplane, MC_FSR_EOL_old, 10)&0x0C) + { + return ERROR_FLASH_OPERATION_FAILED; + } + return ERROR_OK; + } + + if (at91sam7_old_wait_status_busy(bank, flashplane, MC_FSR_FRDY_old, 10)&0x0C) + { + return ERROR_FLASH_OPERATION_FAILED; + } + return ERROR_OK; +} + +/* Read device id register, main clock frequency register and fill in driver info structure */ +int at91sam7_old_read_part_info(struct flash_bank_s *bank) +{ + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + target_t *target = bank->target; + u32 cidr, status; + int sectornum; + + if (at91sam7_old_info->cidr != 0) + return ERROR_OK; /* already probed, multiple probes may cause memory leak, not allowed */ + + /* Read and parse chip identification register */ + target_read_u32(target, DBGU_CIDR_old, &cidr); + + if (cidr == 0) + { + LOG_WARNING("Cannot identify target as an AT91SAM"); + return ERROR_FLASH_OPERATION_FAILED; + } + + at91sam7_old_info->cidr = cidr; + at91sam7_old_info->cidr_ext = (cidr>>31)&0x0001; + at91sam7_old_info->cidr_nvptyp = (cidr>>28)&0x0007; + at91sam7_old_info->cidr_arch = (cidr>>20)&0x00FF; + at91sam7_old_info->cidr_sramsiz = (cidr>>16)&0x000F; + at91sam7_old_info->cidr_nvpsiz2 = (cidr>>12)&0x000F; + at91sam7_old_info->cidr_nvpsiz = (cidr>>8)&0x000F; + at91sam7_old_info->cidr_eproc = (cidr>>5)&0x0007; + at91sam7_old_info->cidr_version = cidr&0x001F; + bank->size = NVPSIZ_old[at91sam7_old_info->cidr_nvpsiz]; + at91sam7_old_info->target_name = "Unknown"; + + /* Support just for bulk erase of a single flash plane, whole device if flash size <= 256k */ + if (NVPSIZ_old[at91sam7_old_info->cidr_nvpsiz]<0x80000) /* Flash size less than 512K, one flash plane */ + { + bank->num_sectors = 1; + bank->sectors = malloc(sizeof(flash_sector_t)); + bank->sectors[0].offset = 0; + bank->sectors[0].size = bank->size; + bank->sectors[0].is_erased = -1; + bank->sectors[0].is_protected = -1; + } + else /* Flash size 512K or larger, several flash planes */ + { + bank->num_sectors = NVPSIZ_old[at91sam7_old_info->cidr_nvpsiz]/0x40000; + bank->sectors = malloc(bank->num_sectors*sizeof(flash_sector_t)); + for (sectornum=0; sectornum<bank->num_sectors; sectornum++) + { + bank->sectors[sectornum].offset = sectornum*0x40000; + bank->sectors[sectornum].size = 0x40000; + bank->sectors[sectornum].is_erased = -1; + bank->sectors[sectornum].is_protected = -1; + } + } + + + + LOG_DEBUG("nvptyp: 0x%3.3x, arch: 0x%4.4x", at91sam7_old_info->cidr_nvptyp, at91sam7_old_info->cidr_arch ); + + /* Read main and master clock freqency register */ + at91sam7_old_read_clock_info(bank); + + at91sam7_old_info->num_planes = 1; + status = at91sam7_old_get_flash_status(bank, 0); + at91sam7_old_info->securitybit = (status>>4)&0x01; + at91sam7_old_protect_check(bank); /* TODO Check the protect check */ + + if (at91sam7_old_info->cidr_arch == 0x70 ) + { + at91sam7_old_info->num_nvmbits = 2; + at91sam7_old_info->nvmbits = (status>>8)&0x03; + bank->base = 0x100000; + bank->bus_width = 4; + if (bank->size==0x80000) /* AT91SAM7S512 */ + { + at91sam7_old_info->target_name = "AT91SAM7S512"; + at91sam7_old_info->num_planes = 2; + if (at91sam7_old_info->num_planes != bank->num_sectors) + LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");; + at91sam7_old_info->num_lockbits = 2*16; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 2*16*64; + } + if (bank->size==0x40000) /* AT91SAM7S256 */ + { + at91sam7_old_info->target_name = "AT91SAM7S256"; + at91sam7_old_info->num_lockbits = 16; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 16*64; + } + if (bank->size==0x20000) /* AT91SAM7S128 */ + { + at91sam7_old_info->target_name = "AT91SAM7S128"; + at91sam7_old_info->num_lockbits = 8; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 8*64; + } + if (bank->size==0x10000) /* AT91SAM7S64 */ + { + at91sam7_old_info->target_name = "AT91SAM7S64"; + at91sam7_old_info->num_lockbits = 16; + at91sam7_old_info->pagesize = 128; + at91sam7_old_info->pages_in_lockregion = 32; + at91sam7_old_info->num_pages = 16*32; + } + if (bank->size==0x08000) /* AT91SAM7S321/32 */ + { + at91sam7_old_info->target_name = "AT91SAM7S321/32"; + at91sam7_old_info->num_lockbits = 8; + at91sam7_old_info->pagesize = 128; + at91sam7_old_info->pages_in_lockregion = 32; + at91sam7_old_info->num_pages = 8*32; + } + + return ERROR_OK; + } + + if (at91sam7_old_info->cidr_arch == 0x71 ) + { + at91sam7_old_info->num_nvmbits = 3; + at91sam7_old_info->nvmbits = (status>>8)&0x07; + bank->base = 0x100000; + bank->bus_width = 4; + if (bank->size==0x80000) /* AT91SAM7XC512 */ + { + at91sam7_old_info->target_name = "AT91SAM7XC512"; + at91sam7_old_info->num_planes = 2; + if (at91sam7_old_info->num_planes != bank->num_sectors) + LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");; + at91sam7_old_info->num_lockbits = 2*16; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 2*16*64; + } + if (bank->size==0x40000) /* AT91SAM7XC256 */ + { + at91sam7_old_info->target_name = "AT91SAM7XC256"; + at91sam7_old_info->num_lockbits = 16; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 16*64; + } + if (bank->size==0x20000) /* AT91SAM7XC128 */ + { + at91sam7_old_info->target_name = "AT91SAM7XC128"; + at91sam7_old_info->num_lockbits = 8; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 8*64; + } + + return ERROR_OK; + } + + if (at91sam7_old_info->cidr_arch == 0x72 ) + { + at91sam7_old_info->num_nvmbits = 3; + at91sam7_old_info->nvmbits = (status>>8)&0x07; + bank->base = 0x100000; + bank->bus_width = 4; + if (bank->size==0x80000) /* AT91SAM7SE512 */ + { + at91sam7_old_info->target_name = "AT91SAM7SE512"; + at91sam7_old_info->num_planes = 2; + if (at91sam7_old_info->num_planes != bank->num_sectors) + LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");; + at91sam7_old_info->num_lockbits = 32; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 32*64; + } + if (bank->size==0x40000) + { + at91sam7_old_info->target_name = "AT91SAM7SE256"; + at91sam7_old_info->num_lockbits = 16; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 16*64; + } + if (bank->size==0x08000) + { + at91sam7_old_info->target_name = "AT91SAM7SE32"; + at91sam7_old_info->num_lockbits = 8; + at91sam7_old_info->pagesize = 128; + at91sam7_old_info->pages_in_lockregion = 32; + at91sam7_old_info->num_pages = 8*32; + } + + return ERROR_OK; + } + + if (at91sam7_old_info->cidr_arch == 0x75 ) + { + at91sam7_old_info->num_nvmbits = 3; + at91sam7_old_info->nvmbits = (status>>8)&0x07; + bank->base = 0x100000; + bank->bus_width = 4; + if (bank->size==0x80000) /* AT91SAM7X512 */ + { + at91sam7_old_info->target_name = "AT91SAM7X512"; + at91sam7_old_info->num_planes = 2; + if (at91sam7_old_info->num_planes != bank->num_sectors) + LOG_WARNING("Internal error: Number of flash planes and erase sectors does not match, please report");; + at91sam7_old_info->num_lockbits = 32; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 2*16*64; + LOG_DEBUG("Support for AT91SAM7X512 is experimental in this version!"); + } + if (bank->size==0x40000) /* AT91SAM7X256 */ + { + at91sam7_old_info->target_name = "AT91SAM7X256"; + at91sam7_old_info->num_lockbits = 16; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 16*64; + } + if (bank->size==0x20000) /* AT91SAM7X128 */ + { + at91sam7_old_info->target_name = "AT91SAM7X128"; + at91sam7_old_info->num_lockbits = 8; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 64; + at91sam7_old_info->num_pages = 8*64; + } + + return ERROR_OK; + } + + if (at91sam7_old_info->cidr_arch == 0x60 ) + { + at91sam7_old_info->num_nvmbits = 3; + at91sam7_old_info->nvmbits = (status>>8)&0x07; + bank->base = 0x100000; + bank->bus_width = 4; + + if (bank->size == 0x40000) /* AT91SAM7A3 */ + { + at91sam7_old_info->target_name = "AT91SAM7A3"; + at91sam7_old_info->num_lockbits = 16; + at91sam7_old_info->pagesize = 256; + at91sam7_old_info->pages_in_lockregion = 16; + at91sam7_old_info->num_pages = 16*64; + } + return ERROR_OK; + } + + LOG_WARNING("at91sam7_old flash only tested for AT91SAM7Sxx series"); + return ERROR_OK; +} + +int at91sam7_old_erase_check(struct flash_bank_s *bank) +{ + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + + if (!at91sam7_old_info->working_area_size) + { + } + else + { + } + + return ERROR_OK; +} + +int at91sam7_old_protect_check(struct flash_bank_s *bank) +{ + u32 status; + int flashplane; + + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + + if (at91sam7_old_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + for (flashplane=0;flashplane<at91sam7_old_info->num_planes;flashplane++) + { + status = at91sam7_old_get_flash_status(bank, flashplane); + at91sam7_old_info->lockbits[flashplane] = (status >> 16); + } + + return ERROR_OK; +} + +/* flash_bank at91sam7_old 0 0 0 0 <target#> + */ +int at91sam7_old_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank) +{ + at91sam7_old_flash_bank_t *at91sam7_old_info; + int i; + + if (argc < 6) + { + LOG_WARNING("incomplete flash_bank at91sam7_old configuration"); + return ERROR_FLASH_BANK_INVALID; + } + + at91sam7_old_info = malloc(sizeof(at91sam7_old_flash_bank_t)); + bank->driver_priv = at91sam7_old_info; + + /* part wasn't probed for info yet */ + at91sam7_old_info->cidr = 0; + for (i=0;i<4;i++) + at91sam7_old_info->flashmode[i]=0; + + return ERROR_OK; +} + +int at91sam7_old_erase(struct flash_bank_s *bank, int first, int last) +{ + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + u8 flashplane; + + if (at91sam7_old_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + if ((first < 0) || (last < first) || (last >= bank->num_sectors)) + { + if ((first == 0) && (last == (at91sam7_old_info->num_lockbits-1))) + { + LOG_WARNING("Sector numbers based on lockbit count, probably a deprecated script"); + last = bank->num_sectors-1; + } + else return ERROR_FLASH_SECTOR_INVALID; + } + + /* Configure the flash controller timing */ + at91sam7_old_read_clock_info(bank); + for (flashplane = first; flashplane<=last; flashplane++) + { + /* Configure the flash controller timing */ + at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_FLASH_old); + if (at91sam7_old_flash_command(bank, flashplane, EA_old, 0) != ERROR_OK) + { + return ERROR_FLASH_OPERATION_FAILED; + } + } + return ERROR_OK; + +} + +int at91sam7_old_protect(struct flash_bank_s *bank, int set, int first, int last) +{ + u32 cmd, pagen; + u8 flashplane; + int lockregion; + + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + + if (at91sam7_old_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + if ((first < 0) || (last < first) || (last >= at91sam7_old_info->num_lockbits)) + { + return ERROR_FLASH_SECTOR_INVALID; + } + + at91sam7_old_read_clock_info(bank); + + for (lockregion=first;lockregion<=last;lockregion++) + { + pagen = lockregion*at91sam7_old_info->pages_in_lockregion; + flashplane = (pagen>>10)&0x03; + /* Configure the flash controller timing */ + at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_NVBITS_old); + + if (set) + cmd = SLB_old; + else + cmd = CLB_old; + + if (at91sam7_old_flash_command(bank, flashplane, cmd, pagen) != ERROR_OK) + { + return ERROR_FLASH_OPERATION_FAILED; + } + } + + at91sam7_old_protect_check(bank); + + return ERROR_OK; +} + + +int at91sam7_old_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) +{ + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + target_t *target = bank->target; + u32 dst_min_alignment, wcount, bytes_remaining = count; + u32 first_page, last_page, pagen, buffer_pos; + u8 flashplane; + + if (at91sam7_old_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + if (offset + count > bank->size) + return ERROR_FLASH_DST_OUT_OF_BANK; + + dst_min_alignment = at91sam7_old_info->pagesize; + + if (offset % dst_min_alignment) + { + LOG_WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment); + return ERROR_FLASH_DST_BREAKS_ALIGNMENT; + } + + if (at91sam7_old_info->cidr_arch == 0) + return ERROR_FLASH_BANK_NOT_PROBED; + + first_page = offset/dst_min_alignment; + last_page = CEIL(offset + count, dst_min_alignment); + + LOG_DEBUG("first_page: %i, last_page: %i, count %i", first_page, last_page, count); + + at91sam7_old_read_clock_info(bank); + + for (pagen=first_page; pagen<last_page; pagen++) + { + if (bytes_remaining<dst_min_alignment) + count = bytes_remaining; + else + count = dst_min_alignment; + bytes_remaining -= count; + + /* Write one block to the PageWriteBuffer */ + buffer_pos = (pagen-first_page)*dst_min_alignment; + wcount = CEIL(count,4); + target->type->write_memory(target, bank->base+pagen*dst_min_alignment, 4, wcount, buffer+buffer_pos); + flashplane = (pagen>>10)&0x3; + + /* Configure the flash controller timing */ + at91sam7_old_set_flash_mode(bank, flashplane, FMR_TIMING_FLASH_old); + /* Send Write Page command to Flash Controller */ + if (at91sam7_old_flash_command(bank, flashplane, WP_old, pagen) != ERROR_OK) + { + return ERROR_FLASH_OPERATION_FAILED; + } + LOG_DEBUG("Write flash plane:%i page number:%i", flashplane, pagen); + } + + return ERROR_OK; +} + + +int at91sam7_old_probe(struct flash_bank_s *bank) +{ + /* we can't probe on an at91sam7_old + * if this is an at91sam7_old, it has the configured flash + */ + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + int retval; + + if (at91sam7_old_info->cidr != 0) + { + return ERROR_OK; /* already probed */ + } + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + retval = at91sam7_old_read_part_info(bank); + if (retval != ERROR_OK) + return retval; + + return ERROR_OK; +} + + +int at91sam7_old_info(struct flash_bank_s *bank, char *buf, int buf_size) +{ + int printed, flashplane; + at91sam7_old_flash_bank_t *at91sam7_old_info = bank->driver_priv; + + if (at91sam7_old_info->cidr == 0) + { + return ERROR_FLASH_BANK_NOT_PROBED; + } + + printed = snprintf(buf, buf_size, "\nat91sam7_old information: Chip is %s\n",at91sam7_old_info->target_name); + buf += printed; + buf_size -= printed; + + printed = snprintf(buf, buf_size, "cidr: 0x%8.8x, arch: 0x%4.4x, eproc: %s, version:0x%3.3x, flashsize: 0x%8.8x\n", + at91sam7_old_info->cidr, at91sam7_old_info->cidr_arch, EPROC_old[at91sam7_old_info->cidr_eproc], at91sam7_old_info->cidr_version, bank->size); + buf += printed; + buf_size -= printed; + + printed = snprintf(buf, buf_size, "master clock(estimated): %ikHz \n", at91sam7_old_info->mck_freq / 1000); + buf += printed; + buf_size -= printed; + + if (at91sam7_old_info->num_planes>1) { + printed = snprintf(buf, buf_size, "flashplanes: %i, pagesize: %i, lock regions: %i, pages in lock region: %i \n", + at91sam7_old_info->num_planes, at91sam7_old_info->pagesize, at91sam7_old_info->num_lockbits, at91sam7_old_info->num_pages/at91sam7_old_info->num_lockbits); + buf += printed; + buf_size -= printed; + for (flashplane=0; flashplane<at91sam7_old_info->num_planes; flashplane++) + { + printed = snprintf(buf, buf_size, "lockbits[%i]: 0x%4.4x, ", flashplane, at91sam7_old_info->lockbits[flashplane]); + buf += printed; + buf_size -= printed; + } + } + else + if (at91sam7_old_info->num_lockbits>0) { + printed = snprintf(buf, buf_size, "pagesize: %i, lockbits: %i 0x%4.4x, pages in lock region: %i \n", + at91sam7_old_info->pagesize, at91sam7_old_info->num_lockbits, at91sam7_old_info->lockbits[0], at91sam7_old_info->num_pages/at91sam7_old_info->num_lockbits); + buf += printed; + buf_size -= printed; + } + + printed = snprintf(buf, buf_size, "securitybit: %i, nvmbits(%i): 0x%1.1x\n", at91sam7_old_info->securitybit, at91sam7_old_info->num_nvmbits, at91sam7_old_info->nvmbits); + buf += printed; + buf_size -= printed; + + return ERROR_OK; +} + +/* +* On AT91SAM7S: When the gpnvm bits are set with +* > at91sam7_old gpnvm 0 bitnr set +* the changes are not visible in the flash controller status register MC_FSR_old +* until the processor has been reset. +* On the Olimex board this requires a power cycle. +* Note that the AT91SAM7S has the following errata (doc6175.pdf sec 14.1.3): +* The maximum number of write/erase cycles for Non Volatile Memory bits is 100. This includes +* Lock Bits (LOCKx), General Purpose NVM bits (GPNVMx) and the Security Bit. +*/ +int at91sam7_old_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + flash_bank_t *bank; + int bit; + u8 flashcmd; + u32 status; + char *value; + at91sam7_old_flash_bank_t *at91sam7_old_info; + int retval; + + if (argc < 3) + { + command_print(cmd_ctx, "at91sam7_old gpnvm <num> <bit> <set|clear>"); + return ERROR_OK; + } + + bank = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0)); + bit = atoi(args[1]); + value = args[2]; + + if (bank == NULL) + { + return ERROR_FLASH_BANK_INVALID; + } + + if (bank->driver != &at91sam7_old_flash) + { + command_print(cmd_ctx, "not an at91sam7_old flash bank '%s'", args[0]); + return ERROR_FLASH_BANK_INVALID; + } + + if (strcmp(value, "set") == 0) + { + flashcmd = SGPB_old; + } + else if (strcmp(value, "clear") == 0) + { + flashcmd = CGPB_old; + } + else + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + at91sam7_old_info = bank->driver_priv; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("target has to be halted to perform flash operation"); + return ERROR_TARGET_NOT_HALTED; + } + + if (at91sam7_old_info->cidr == 0) + { + retval = at91sam7_old_read_part_info(bank); + if (retval != ERROR_OK) { + return retval; + } + } + + if ((bit<0) || (at91sam7_old_info->num_nvmbits <= bit)) + { + command_print(cmd_ctx, "gpnvm bit '#%s' is out of bounds for target %s", args[1],at91sam7_old_info->target_name); + return ERROR_OK; + } + + /* Configure the flash controller timing */ + at91sam7_old_read_clock_info(bank); + at91sam7_old_set_flash_mode(bank, 0, FMR_TIMING_NVBITS_old); + + if (at91sam7_old_flash_command(bank, 0, flashcmd, (u16)(bit)) != ERROR_OK) + { + return ERROR_FLASH_OPERATION_FAILED; + } + + status = at91sam7_old_get_flash_status(bank, 0); + LOG_DEBUG("at91sam7_handle_gpnvm_command: cmd 0x%x, value 0x%x, status 0x%x \n",flashcmd,bit,status); + at91sam7_old_info->nvmbits = (status>>8)&((1<<at91sam7_old_info->num_nvmbits)-1); + + return ERROR_OK; +} diff --git a/src/flash/at91sam7_old.h b/src/flash/at91sam7_old.h index 08504565..75c881c2 100644 --- a/src/flash/at91sam7_old.h +++ b/src/flash/at91sam7_old.h @@ -1,98 +1,98 @@ -/***************************************************************************
- * Copyright (C) 2006 by Magnus Lundin *
- * lundin@mlu.mine.nu *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-#ifndef AT91SAM7_OLD_H
-#define AT91SAM7_OLD_H
-
-#include "flash.h"
-#include "target.h"
-
-typedef struct at91sam7_old_flash_bank_s
-{
- u32 working_area;
- u32 working_area_size;
-
- /* chip id register */
- u32 cidr;
- u16 cidr_ext;
- u16 cidr_nvptyp;
- u16 cidr_arch;
- u16 cidr_sramsiz;
- u16 cidr_nvpsiz;
- u16 cidr_nvpsiz2;
- u16 cidr_eproc;
- u16 cidr_version;
- char * target_name;
-
- /* flash geometry */
- u16 num_pages;
- u16 pagesize;
- u16 pages_in_lockregion;
- u8 num_erase_regions;
- u8 num_planes;
- u32 *erase_region_info;
-
- /* nv memory bits */
- u16 num_lockbits;
- u16 lockbits[4];
- u16 num_nvmbits;
- u16 nvmbits;
- u8 securitybit;
- u8 flashmode[4]; /* 0: not init, 1: fmcn for nvbits (1uS), 2: fmcn for flash (1.5uS) */
-
- /* main clock status */
- u8 mck_valid;
- u32 mck_freq;
-
-} at91sam7_old_flash_bank_t;
-
-/* AT91SAM7 control registers */
-#define DBGU_CIDR_old 0xFFFFF240
-#define CKGR_MCFR_old 0xFFFFFC24
-#define CKGR_MCFR_MAINRDY_old 0x10000
-#define CKGR_PLLR_old 0xFFFFFC2c
-#define CKGR_PLLR_DIV_old 0xff
-#define CKGR_PLLR_MUL_old 0x07ff0000
-#define PMC_MCKR_old 0xFFFFFC30
-#define PMC_MCKR_CSS_old 0x03
-#define PMC_MCKR_PRES_old 0x1c
-
-/* Flash Controller Commands */
-#define WP_old 0x01
-#define SLB_old 0x02
-#define WPL_old 0x03
-#define CLB_old 0x04
-#define EA_old 0x08
-#define SGPB_old 0x0B
-#define CGPB_old 0x0D
-#define SSB_old 0x0F
-
-/* MC_FSR bit definitions */
-#define MC_FSR_FRDY_old 1
-#define MC_FSR_EOL_old 2
-
-/* AT91SAM7 constants */
-#define RC_FREQ_old 32000
-
-/* FLASH_TIMING_MODES */
-#define FMR_TIMING_NONE_old 0
-#define FMR_TIMING_NVBITS_old 1
-#define FMR_TIMING_FLASH_old 2
-
-#endif /* AT91SAM7_OLD_H */
+/*************************************************************************** + * Copyright (C) 2006 by Magnus Lundin * + * lundin@mlu.mine.nu * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ +#ifndef AT91SAM7_OLD_H +#define AT91SAM7_OLD_H + +#include "flash.h" +#include "target.h" + +typedef struct at91sam7_old_flash_bank_s +{ + u32 working_area; + u32 working_area_size; + + /* chip id register */ + u32 cidr; + u16 cidr_ext; + u16 cidr_nvptyp; + u16 cidr_arch; + u16 cidr_sramsiz; + u16 cidr_nvpsiz; + u16 cidr_nvpsiz2; + u16 cidr_eproc; + u16 cidr_version; + char * target_name; + + /* flash geometry */ + u16 num_pages; + u16 pagesize; + u16 pages_in_lockregion; + u8 num_erase_regions; + u8 num_planes; + u32 *erase_region_info; + + /* nv memory bits */ + u16 num_lockbits; + u16 lockbits[4]; + u16 num_nvmbits; + u16 nvmbits; + u8 securitybit; + u8 flashmode[4]; /* 0: not init, 1: fmcn for nvbits (1uS), 2: fmcn for flash (1.5uS) */ + + /* main clock status */ + u8 mck_valid; + u32 mck_freq; + +} at91sam7_old_flash_bank_t; + +/* AT91SAM7 control registers */ +#define DBGU_CIDR_old 0xFFFFF240 +#define CKGR_MCFR_old 0xFFFFFC24 +#define CKGR_MCFR_MAINRDY_old 0x10000 +#define CKGR_PLLR_old 0xFFFFFC2c +#define CKGR_PLLR_DIV_old 0xff +#define CKGR_PLLR_MUL_old 0x07ff0000 +#define PMC_MCKR_old 0xFFFFFC30 +#define PMC_MCKR_CSS_old 0x03 +#define PMC_MCKR_PRES_old 0x1c + +/* Flash Controller Commands */ +#define WP_old 0x01 +#define SLB_old 0x02 +#define WPL_old 0x03 +#define CLB_old 0x04 +#define EA_old 0x08 +#define SGPB_old 0x0B +#define CGPB_old 0x0D +#define SSB_old 0x0F + +/* MC_FSR bit definitions */ +#define MC_FSR_FRDY_old 1 +#define MC_FSR_EOL_old 2 + +/* AT91SAM7 constants */ +#define RC_FREQ_old 32000 + +/* FLASH_TIMING_MODES */ +#define FMR_TIMING_NONE_old 0 +#define FMR_TIMING_NVBITS_old 1 +#define FMR_TIMING_FLASH_old 2 + +#endif /* AT91SAM7_OLD_H */ diff --git a/src/flash/flash.c b/src/flash/flash.c index b2ebe0b7..5f09c72d 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -80,25 +80,23 @@ extern flash_driver_t lpc288x_flash; extern flash_driver_t ocl_flash; flash_driver_t *flash_drivers[] = { - &lpc2000_flash, - &cfi_flash, - &at91sam7_flash, - &at91sam7_old_flash, - &str7x_flash, - &str9x_flash, - &aduc702x_flash, - &stellaris_flash, - &str9xpec_flash, - &stm32x_flash, - &tms470_flash, - &ecosflash_flash, - &lpc288x_flash, - &ocl_flash, - NULL, + &lpc2000_flash, + &cfi_flash, + &at91sam7_flash, + &at91sam7_old_flash, + &str7x_flash, + &str9x_flash, + &aduc702x_flash, + &stellaris_flash, + &str9xpec_flash, + &stm32x_flash, + &tms470_flash, + &ecosflash_flash, + &lpc288x_flash, + &ocl_flash, + NULL, }; - - flash_bank_t *flash_banks; static command_t *flash_cmd; diff --git a/src/flash/flash.h b/src/flash/flash.h index 4ccbc047..817c6062 100644 --- a/src/flash/flash.h +++ b/src/flash/flash.h @@ -92,13 +92,13 @@ extern flash_bank_t *get_flash_bank_by_num(int num); extern flash_bank_t *get_flash_bank_by_num_noprobe(int num); extern flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr); -#define ERROR_FLASH_BANK_INVALID (-900) -#define ERROR_FLASH_SECTOR_INVALID (-901) -#define ERROR_FLASH_OPERATION_FAILED (-902) -#define ERROR_FLASH_DST_OUT_OF_BANK (-903) -#define ERROR_FLASH_DST_BREAKS_ALIGNMENT (-904) -#define ERROR_FLASH_BUSY (-905) -#define ERROR_FLASH_SECTOR_NOT_ERASED (-906) -#define ERROR_FLASH_BANK_NOT_PROBED (-907) +#define ERROR_FLASH_BANK_INVALID (-900) +#define ERROR_FLASH_SECTOR_INVALID (-901) +#define ERROR_FLASH_OPERATION_FAILED (-902) +#define ERROR_FLASH_DST_OUT_OF_BANK (-903) +#define ERROR_FLASH_DST_BREAKS_ALIGNMENT (-904) +#define ERROR_FLASH_BUSY (-905) +#define ERROR_FLASH_SECTOR_NOT_ERASED (-906) +#define ERROR_FLASH_BANK_NOT_PROBED (-907) #endif /* FLASH_H */ diff --git a/src/jtag/zy1000.c b/src/jtag/zy1000.c index 8c10a9ff..55830323 100644 --- a/src/jtag/zy1000.c +++ b/src/jtag/zy1000.c @@ -1,739 +1,739 @@ -/***************************************************************************
- * Copyright (C) 2007-2008 by Øyvind Harboe *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-
-#include "log.h"
-#include "jtag.h"
-#include "bitbang.h"
-#include "../target/embeddedice.h"
-
-
-#include <cyg/hal/hal_io.h> // low level i/o
-#include <cyg/hal/var_io.h> // common registers
-#include <cyg/hal/plf_io.h> // platform registers
-#include <cyg/hal/hal_diag.h>
-
-#include <stdlib.h>
-
-
-extern int jtag_error;
-
-/* low level command set
- */
-int eCosBoard_read(void);
-static void eCosBoard_write(int tck, int tms, int tdi);
-void eCosBoard_reset(int trst, int srst);
-
-
-int eCosBoard_speed(int speed);
-int eCosBoard_register_commands(struct command_context_s *cmd_ctx);
-int eCosBoard_init(void);
-int eCosBoard_quit(void);
-
-/* interface commands */
-int eCosBoard_handle_eCosBoard_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-static int eCosBoard_khz(int khz, int *jtag_speed)
-{
- if (khz==0)
- {
- *jtag_speed=0;
- }
- else
- {
- *jtag_speed=64000/khz;
- }
- return ERROR_OK;
-}
-
-static int eCosBoard_speed_div(int speed, int *khz)
-{
- if (speed==0)
- {
- *khz = 0;
- }
- else
- {
- *khz=64000/speed;
- }
-
- return ERROR_OK;
-}
-
-
-jtag_interface_t eCosBoard_interface =
-{
- .name = "ZY1000",
- .execute_queue = bitbang_execute_queue,
- .speed = eCosBoard_speed,
- .register_commands = eCosBoard_register_commands,
- .init = eCosBoard_init,
- .quit = eCosBoard_quit,
- .khz = eCosBoard_khz,
- .speed_div = eCosBoard_speed_div,
-};
-
-bitbang_interface_t eCosBoard_bitbang =
-{
- .read = eCosBoard_read,
- .write = eCosBoard_write,
- .reset = eCosBoard_reset
-};
-
-
-
-static void eCosBoard_write(int tck, int tms, int tdi)
-{
-
-}
-
-int eCosBoard_read(void)
-{
- return -1;
-}
-
-extern bool readSRST();
-
-void eCosBoard_reset(int trst, int srst)
-{
- LOG_DEBUG("zy1000 trst=%d, srst=%d", trst, srst);
- if(!srst)
- {
- ZY1000_POKE(0x08000014, 0x00000001);
- }
- else
- {
- /* Danger!!! if clk!=0 when in
- * idle in TAP_RTI, reset halt on str912 will fail.
- */
- ZY1000_POKE(0x08000010, 0x00000001);
- }
-
- if(!trst)
- {
- ZY1000_POKE(0x08000014, 0x00000002);
- }
- else
- {
- /* assert reset */
- ZY1000_POKE(0x08000010, 0x00000002);
- }
-
- if (trst||(srst&&(jtag_reset_config & RESET_SRST_PULLS_TRST)))
- {
- waitIdle();
- /* we're now in the TLR state until trst is deasserted */
- ZY1000_POKE(0x08000020, TAP_TLR);
- } else
- {
- /* We'll get RCLK failure when we assert TRST, so clear any false positives here */
- ZY1000_POKE(0x08000014, 0x400);
- }
-
- /* wait for srst to float back up */
- if (!srst)
- {
- int i;
- for (i=0; i<1000; i++)
- {
- // We don't want to sense our own reset, so we clear here.
- // There is of course a timing hole where we could loose
- // a "real" reset.
- if (!readSRST())
- break;
-
- /* wait 1ms */
- alive_sleep(1);
- }
-
- if (i==1000)
- {
- LOG_USER("SRST didn't deassert after %dms", i);
- } else if (i>1)
- {
- LOG_USER("SRST took %dms to deassert", i);
- }
- }
-}
-
-int eCosBoard_speed(int speed)
-{
- if(speed == 0)
- {
- /*0 means RCLK*/
- speed = 0;
- ZY1000_POKE(0x08000010, 0x100);
- LOG_DEBUG("jtag_speed using RCLK");
- }
- else
- {
- if(speed > 8190 || speed < 2)
- {
- LOG_ERROR("valid ZY1000 jtag_speed=[8190,2]. Divisor is 64MHz / even values between 8190-2, i.e. min 7814Hz, max 32MHz");
- return ERROR_INVALID_ARGUMENTS;
- }
-
- LOG_USER("jtag_speed %d => JTAG clk=%f", speed, 64.0/(float)speed);
- ZY1000_POKE(0x08000014, 0x100);
- ZY1000_POKE(0x0800001c, speed&~1);
- }
- return ERROR_OK;
-}
-
-int eCosBoard_register_commands(struct command_context_s *cmd_ctx)
-{
- return ERROR_OK;
-}
-
-
-int eCosBoard_init(void)
-{
- ZY1000_POKE(0x08000010, 0x30); // Turn on LED1 & LED2
-
- /* deassert resets. Important to avoid infinite loop waiting for SRST to deassert */
- eCosBoard_reset(0, 0);
- eCosBoard_speed(jtag_speed);
-
- bitbang_interface = &eCosBoard_bitbang;
-
- return ERROR_OK;
-}
-
-int eCosBoard_quit(void)
-{
-
- return ERROR_OK;
-}
-
-
-
-/* loads a file and returns a pointer to it in memory. The file contains
- * a 0 byte(sentinel) after len bytes - the length of the file. */
-int loadFile(const char *fileName, void **data, int *len)
-{
- FILE * pFile;
- pFile = fopen (fileName,"rb");
- if (pFile==NULL)
- {
- LOG_ERROR("Can't open %s\n", fileName);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- if (fseek (pFile, 0, SEEK_END)!=0)
- {
- LOG_ERROR("Can't open %s\n", fileName);
- fclose(pFile);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- *len=ftell (pFile);
- if (*len==-1)
- {
- LOG_ERROR("Can't open %s\n", fileName);
- fclose(pFile);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if (fseek (pFile, 0, SEEK_SET)!=0)
- {
- LOG_ERROR("Can't open %s\n", fileName);
- fclose(pFile);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- *data=malloc(*len+1);
- if (*data==NULL)
- {
- LOG_ERROR("Can't open %s\n", fileName);
- fclose(pFile);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if (fread(*data, 1, *len, pFile)!=*len)
- {
- fclose(pFile);
- free(*data);
- LOG_ERROR("Can't open %s\n", fileName);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- fclose (pFile);
- *(((char *)(*data))+*len)=0; /* sentinel */
-
- return ERROR_OK;
-
-
-
-}
-
-
-
-
-int interface_jtag_execute_queue(void)
-{
- cyg_uint32 empty;
-
- waitIdle();
- ZY1000_PEEK(0x08000010, empty);
- /* clear JTAG error register */
- ZY1000_POKE(0x08000014, 0x400);
-
- if ((empty&0x400)!=0)
- {
- LOG_WARNING("RCLK timeout");
- /* the error is informative only as we don't want to break the firmware if there
- * is a false positive.
- */
-// return ERROR_FAIL;
- }
- return ERROR_OK;
-}
-
-
-
-
-
-static cyg_uint32 getShiftValue()
-{
- cyg_uint32 value;
- waitIdle();
- ZY1000_PEEK(0x0800000c, value);
- VERBOSE(LOG_INFO("getShiftValue %08x", value));
- return value;
-}
-#if 0
-static cyg_uint32 getShiftValueFlip()
-{
- cyg_uint32 value;
- waitIdle();
- ZY1000_PEEK(0x08000018, value);
- VERBOSE(LOG_INFO("getShiftValue %08x (flipped)", value));
- return value;
-}
-#endif
-
-#if 0
-static void shiftValueInnerFlip(const enum tap_state state, const enum tap_state endState, int repeat, cyg_uint32 value)
-{
- VERBOSE(LOG_INFO("shiftValueInner %s %s %d %08x (flipped)", tap_state_strings[state], tap_state_strings[endState], repeat, value));
- cyg_uint32 a,b;
- a=state;
- b=endState;
- ZY1000_POKE(0x0800000c, value);
- ZY1000_POKE(0x08000008, (1<<15)|(repeat<<8)|(a<<4)|b);
- VERBOSE(getShiftValueFlip());
-}
-#endif
-
-extern int jtag_check_value(u8 *captured, void *priv);
-
-static void gotoEndState()
-{
- setCurrentState(cmd_queue_end_state);
-}
-
-static __inline void scanFields(int num_fields, scan_field_t *fields, enum tap_state shiftState, int pause)
-{
- int i;
- int j;
- int k;
-
- for (i = 0; i < num_fields; i++)
- {
- cyg_uint32 value;
-
- static u8 *in_buff=NULL; /* pointer to buffer for scanned data */
- static int in_buff_size=0;
- u8 *inBuffer=NULL;
-
-
- // figure out where to store the input data
- int num_bits=fields[i].num_bits;
- if (fields[i].in_value!=NULL)
- {
- inBuffer=fields[i].in_value;
- } else if (fields[i].in_handler!=NULL)
- {
- if (in_buff_size*8<num_bits)
- {
- // we need more space
- if (in_buff!=NULL)
- free(in_buff);
- in_buff=NULL;
- in_buff_size=(num_bits+7)/8;
- in_buff=malloc(in_buff_size);
- if (in_buff==NULL)
- {
- LOG_ERROR("Out of memory");
- jtag_error=ERROR_JTAG_QUEUE_FAILED;
- return;
- }
- }
- inBuffer=in_buff;
- }
-
- // here we shuffle N bits out/in
- j=0;
- while (j<num_bits)
- {
- enum tap_state pause_state;
- int l;
- k=num_bits-j;
- pause_state=(shiftState==TAP_SD)?TAP_SD:TAP_SI;
- if (k>32)
- {
- k=32;
- /* we have more to shift out */
- } else if (pause&&(i == num_fields-1))
- {
- /* this was the last to shift out this time */
- pause_state=(shiftState==TAP_SD)?TAP_PD:TAP_PI;
- }
-
- // we have (num_bits+7)/8 bytes of bits to toggle out.
- // bits are pushed out LSB to MSB
- value=0;
- if (fields[i].out_value!=NULL)
- {
- for (l=0; l<k; l+=8)
- {
- value|=fields[i].out_value[(j+l)/8]<<l;
- }
- }
- /* mask away unused bits for easier debugging */
- value&=~(((u32)0xffffffff)<<k);
-
- shiftValueInner(shiftState, pause_state, k, value);
-
- if (inBuffer!=NULL)
- {
- // data in, LSB to MSB
- value=getShiftValue();
- // we're shifting in data to MSB, shift data to be aligned for returning the value
- value >>= 32-k;
-
- for (l=0; l<k; l+=8)
- {
- inBuffer[(j+l)/8]=(value>>l)&0xff;
- }
- }
- j+=k;
- }
-
- if (fields[i].in_handler!=NULL)
- {
- // invoke callback
- int r=fields[i].in_handler(inBuffer, fields[i].in_handler_priv, fields+i);
- if (r!=ERROR_OK)
- {
- /* this will cause jtag_execute_queue() to return an error */
- jtag_error=r;
- }
- }
- }
-}
-
-int interface_jtag_add_end_state(enum tap_state state)
-{
- return ERROR_OK;
-}
-
-
-int interface_jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
-{
-
- int i, j;
- int scan_size = 0;
- jtag_device_t *device;
-
- for (i=0; i < jtag_num_devices; i++)
- {
- int pause=i==(jtag_num_devices-1);
- int found = 0;
- device = jtag_get_device(i);
- scan_size = device->ir_length;
-
- /* search the list */
- for (j=0; j < num_fields; j++)
- {
- if (i == fields[j].device)
- {
- found = 1;
-
- if ((jtag_verify_capture_ir)&&(fields[j].in_handler==NULL))
- {
- jtag_set_check_value(fields+j, device->expected, device->expected_mask, NULL);
- } else if (jtag_verify_capture_ir)
- {
- fields[j].in_check_value = device->expected;
- fields[j].in_check_mask = device->expected_mask;
- }
-
- scanFields(1, fields+j, TAP_SI, pause);
- /* update device information */
- buf_cpy(fields[j].out_value, jtag_get_device(i)->cur_instr, scan_size);
-
- device->bypass = 0;
- break;
- }
- }
-
- if (!found)
- {
- /* if a device isn't listed, set it to BYPASS */
- u8 ones[]={0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
-
- scan_field_t tmp;
- memset(&tmp, 0, sizeof(tmp));
- tmp.out_value = ones;
- tmp.num_bits = scan_size;
- scanFields(1, &tmp, TAP_SI, pause);
- /* update device information */
- buf_cpy(tmp.out_value, jtag_get_device(i)->cur_instr, scan_size);
- device->bypass = 1;
- }
- }
- gotoEndState();
-
- return ERROR_OK;
-}
-
-
-
-
-
-int interface_jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
-{
- scanFields(num_fields, fields, TAP_SI, 1);
- gotoEndState();
-
- return ERROR_OK;
-}
-
-/*extern jtag_command_t **jtag_get_last_command_p(void);*/
-
-int interface_jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
-{
- int i, j;
- for (i=0; i < jtag_num_devices; i++)
- {
- int found = 0;
- int pause = (i==(jtag_num_devices-1));
-
- for (j=0; j < num_fields; j++)
- {
- if (i == fields[j].device)
- {
- found = 1;
-
- scanFields(1, fields+j, TAP_SD, pause);
- }
- }
- if (!found)
- {
-#ifdef _DEBUG_JTAG_IO_
- /* if a device isn't listed, the BYPASS register should be selected */
- if (!jtag_get_device(i)->bypass)
- {
- LOG_ERROR("BUG: no scan data for a device not in BYPASS");
- exit(-1);
- }
-#endif
-
- scan_field_t tmp;
- /* program the scan field to 1 bit length, and ignore it's value */
- tmp.num_bits = 1;
- tmp.out_value = NULL;
- tmp.out_mask = NULL;
- tmp.in_value = NULL;
- tmp.in_check_value = NULL;
- tmp.in_check_mask = NULL;
- tmp.in_handler = NULL;
- tmp.in_handler_priv = NULL;
-
- scanFields(1, &tmp, TAP_SD, pause);
- }
- else
- {
-#ifdef _DEBUG_JTAG_IO_
- /* if a device is listed, the BYPASS register must not be selected */
- if (jtag_get_device(i)->bypass)
- {
- LOG_WARNING("scan data for a device in BYPASS");
- }
-#endif
- }
- }
- gotoEndState();
- return ERROR_OK;
-}
-
-int interface_jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
-{
- scanFields(num_fields, fields, TAP_SD, 1);
- gotoEndState();
- return ERROR_OK;
-}
-
-
-int interface_jtag_add_tlr()
-{
- setCurrentState(TAP_TLR);
- return ERROR_OK;
-}
-
-
-
-
-extern int jtag_nsrst_delay;
-extern int jtag_ntrst_delay;
-
-int interface_jtag_add_reset(int req_trst, int req_srst)
-{
- eCosBoard_reset(req_trst, req_srst);
- return ERROR_OK;
-}
-
-int interface_jtag_add_runtest(int num_cycles, enum tap_state state)
-{
- /* num_cycles can be 0 */
- setCurrentState(TAP_RTI);
-
- /* execute num_cycles, 32 at the time. */
- int i;
- for (i=0; i<num_cycles; i+=32)
- {
- int num;
- num=32;
- if (num_cycles-i<num)
- {
- num=num_cycles-i;
- }
- shiftValueInner(TAP_RTI, TAP_RTI, num, 0);
- }
-
-#if !TEST_MANUAL()
- /* finish in end_state */
- setCurrentState(state);
-#else
- enum tap_state t=TAP_RTI;
- /* test manual drive code on any target */
- int tms;
- u8 tms_scan = TAP_MOVE(t, state);
-
- for (i = 0; i < 7; i++)
- {
- tms = (tms_scan >> i) & 1;
- waitIdle();
- ZY1000_POKE(0x08000028, tms);
- }
- waitIdle();
- ZY1000_POKE(0x08000020, state);
-#endif
-
-
- return ERROR_OK;
-}
-
-int interface_jtag_add_sleep(u32 us)
-{
- jtag_sleep(us);
- return ERROR_OK;
-}
-
-int interface_jtag_add_pathmove(int num_states, enum tap_state *path)
-{
- int state_count;
- int tms = 0;
-
- /*wait for the fifo to be empty*/
- waitIdle();
-
- state_count = 0;
-
- enum tap_state cur_state=cmd_queue_cur_state;
-
- while (num_states)
- {
- if (tap_transitions[cur_state].low == path[state_count])
- {
- tms = 0;
- }
- else if (tap_transitions[cur_state].high == path[state_count])
- {
- tms = 1;
- }
- else
- {
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[path[state_count]]);
- exit(-1);
- }
-
- waitIdle();
- ZY1000_POKE(0x08000028, tms);
-
- cur_state = path[state_count];
- state_count++;
- num_states--;
- }
-
- waitIdle();
- ZY1000_POKE(0x08000020, cur_state);
- return ERROR_OK;
-}
-
-
-
-void embeddedice_write_dcc(int chain_pos, int reg_addr, u8 *buffer, int little, int count)
-{
-// static int const reg_addr=0x5;
- enum tap_state end_state=cmd_queue_end_state;
- if (jtag_num_devices==1)
- {
- /* better performance via code duplication */
- if (little)
- {
- int i;
- for (i = 0; i < count; i++)
- {
- shiftValueInner(TAP_SD, TAP_SD, 32, fast_target_buffer_get_u32(buffer, 1));
- shiftValueInner(TAP_SD, end_state, 6, reg_addr|(1<<5));
- buffer+=4;
- }
- } else
- {
- int i;
- for (i = 0; i < count; i++)
- {
- shiftValueInner(TAP_SD, TAP_SD, 32, fast_target_buffer_get_u32(buffer, 0));
- shiftValueInner(TAP_SD, end_state, 6, reg_addr|(1<<5));
- buffer+=4;
- }
- }
- }
- else
- {
- int i;
- for (i = 0; i < count; i++)
- {
- embeddedice_write_reg_inner(chain_pos, reg_addr, fast_target_buffer_get_u32(buffer, little));
- buffer += 4;
- }
- }
-}
-
+/*************************************************************************** + * Copyright (C) 2007-2008 by Øyvind Harboe * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + + +#include "log.h" +#include "jtag.h" +#include "bitbang.h" +#include "../target/embeddedice.h" + + +#include <cyg/hal/hal_io.h> // low level i/o +#include <cyg/hal/var_io.h> // common registers +#include <cyg/hal/plf_io.h> // platform registers +#include <cyg/hal/hal_diag.h> + +#include <stdlib.h> + + +extern int jtag_error; + +/* low level command set + */ +int eCosBoard_read(void); +static void eCosBoard_write(int tck, int tms, int tdi); +void eCosBoard_reset(int trst, int srst); + + +int eCosBoard_speed(int speed); +int eCosBoard_register_commands(struct command_context_s *cmd_ctx); +int eCosBoard_init(void); +int eCosBoard_quit(void); + +/* interface commands */ +int eCosBoard_handle_eCosBoard_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); + +static int eCosBoard_khz(int khz, int *jtag_speed) +{ + if (khz==0) + { + *jtag_speed=0; + } + else + { + *jtag_speed=64000/khz; + } + return ERROR_OK; +} + +static int eCosBoard_speed_div(int speed, int *khz) +{ + if (speed==0) + { + *khz = 0; + } + else + { + *khz=64000/speed; + } + + return ERROR_OK; +} + + +jtag_interface_t eCosBoard_interface = +{ + .name = "ZY1000", + .execute_queue = bitbang_execute_queue, + .speed = eCosBoard_speed, + .register_commands = eCosBoard_register_commands, + .init = eCosBoard_init, + .quit = eCosBoard_quit, + .khz = eCosBoard_khz, + .speed_div = eCosBoard_speed_div, +}; + +bitbang_interface_t eCosBoard_bitbang = +{ + .read = eCosBoard_read, + .write = eCosBoard_write, + .reset = eCosBoard_reset +}; + + + +static void eCosBoard_write(int tck, int tms, int tdi) +{ + +} + +int eCosBoard_read(void) +{ + return -1; +} + +extern bool readSRST(); + +void eCosBoard_reset(int trst, int srst) +{ + LOG_DEBUG("zy1000 trst=%d, srst=%d", trst, srst); + if(!srst) + { + ZY1000_POKE(0x08000014, 0x00000001); + } + else + { + /* Danger!!! if clk!=0 when in + * idle in TAP_RTI, reset halt on str912 will fail. + */ + ZY1000_POKE(0x08000010, 0x00000001); + } + + if(!trst) + { + ZY1000_POKE(0x08000014, 0x00000002); + } + else + { + /* assert reset */ + ZY1000_POKE(0x08000010, 0x00000002); + } + + if (trst||(srst&&(jtag_reset_config & RESET_SRST_PULLS_TRST))) + { + waitIdle(); + /* we're now in the TLR state until trst is deasserted */ + ZY1000_POKE(0x08000020, TAP_TLR); + } else + { + /* We'll get RCLK failure when we assert TRST, so clear any false positives here */ + ZY1000_POKE(0x08000014, 0x400); + } + + /* wait for srst to float back up */ + if (!srst) + { + int i; + for (i=0; i<1000; i++) + { + // We don't want to sense our own reset, so we clear here. + // There is of course a timing hole where we could loose + // a "real" reset. + if (!readSRST()) + break; + + /* wait 1ms */ + alive_sleep(1); + } + + if (i==1000) + { + LOG_USER("SRST didn't deassert after %dms", i); + } else if (i>1) + { + LOG_USER("SRST took %dms to deassert", i); + } + } +} + +int eCosBoard_speed(int speed) +{ + if(speed == 0) + { + /*0 means RCLK*/ + speed = 0; + ZY1000_POKE(0x08000010, 0x100); + LOG_DEBUG("jtag_speed using RCLK"); + } + else + { + if(speed > 8190 || speed < 2) + { + LOG_ERROR("valid ZY1000 jtag_speed=[8190,2]. Divisor is 64MHz / even values between 8190-2, i.e. min 7814Hz, max 32MHz"); + return ERROR_INVALID_ARGUMENTS; + } + + LOG_USER("jtag_speed %d => JTAG clk=%f", speed, 64.0/(float)speed); + ZY1000_POKE(0x08000014, 0x100); + ZY1000_POKE(0x0800001c, speed&~1); + } + return ERROR_OK; +} + +int eCosBoard_register_commands(struct command_context_s *cmd_ctx) +{ + return ERROR_OK; +} + + +int eCosBoard_init(void) +{ + ZY1000_POKE(0x08000010, 0x30); // Turn on LED1 & LED2 + + /* deassert resets. Important to avoid infinite loop waiting for SRST to deassert */ + eCosBoard_reset(0, 0); + eCosBoard_speed(jtag_speed); + + bitbang_interface = &eCosBoard_bitbang; + + return ERROR_OK; +} + +int eCosBoard_quit(void) +{ + + return ERROR_OK; +} + + + +/* loads a file and returns a pointer to it in memory. The file contains + * a 0 byte(sentinel) after len bytes - the length of the file. */ +int loadFile(const char *fileName, void **data, int *len) +{ + FILE * pFile; + pFile = fopen (fileName,"rb"); + if (pFile==NULL) + { + LOG_ERROR("Can't open %s\n", fileName); + return ERROR_JTAG_DEVICE_ERROR; + } + if (fseek (pFile, 0, SEEK_END)!=0) + { + LOG_ERROR("Can't open %s\n", fileName); + fclose(pFile); + return ERROR_JTAG_DEVICE_ERROR; + } + *len=ftell (pFile); + if (*len==-1) + { + LOG_ERROR("Can't open %s\n", fileName); + fclose(pFile); + return ERROR_JTAG_DEVICE_ERROR; + } + + if (fseek (pFile, 0, SEEK_SET)!=0) + { + LOG_ERROR("Can't open %s\n", fileName); + fclose(pFile); + return ERROR_JTAG_DEVICE_ERROR; + } + *data=malloc(*len+1); + if (*data==NULL) + { + LOG_ERROR("Can't open %s\n", fileName); + fclose(pFile); + return ERROR_JTAG_DEVICE_ERROR; + } + + if (fread(*data, 1, *len, pFile)!=*len) + { + fclose(pFile); + free(*data); + LOG_ERROR("Can't open %s\n", fileName); + return ERROR_JTAG_DEVICE_ERROR; + } + fclose (pFile); + *(((char *)(*data))+*len)=0; /* sentinel */ + + return ERROR_OK; + + + +} + + + + +int interface_jtag_execute_queue(void) +{ + cyg_uint32 empty; + + waitIdle(); + ZY1000_PEEK(0x08000010, empty); + /* clear JTAG error register */ + ZY1000_POKE(0x08000014, 0x400); + + if ((empty&0x400)!=0) + { + LOG_WARNING("RCLK timeout"); + /* the error is informative only as we don't want to break the firmware if there + * is a false positive. + */ +// return ERROR_FAIL; + } + return ERROR_OK; +} + + + + + +static cyg_uint32 getShiftValue() +{ + cyg_uint32 value; + waitIdle(); + ZY1000_PEEK(0x0800000c, value); + VERBOSE(LOG_INFO("getShiftValue %08x", value)); + return value; +} +#if 0 +static cyg_uint32 getShiftValueFlip() +{ + cyg_uint32 value; + waitIdle(); + ZY1000_PEEK(0x08000018, value); + VERBOSE(LOG_INFO("getShiftValue %08x (flipped)", value)); + return value; +} +#endif + +#if 0 +static void shiftValueInnerFlip(const enum tap_state state, const enum tap_state endState, int repeat, cyg_uint32 value) +{ + VERBOSE(LOG_INFO("shiftValueInner %s %s %d %08x (flipped)", tap_state_strings[state], tap_state_strings[endState], repeat, value)); + cyg_uint32 a,b; + a=state; + b=endState; + ZY1000_POKE(0x0800000c, value); + ZY1000_POKE(0x08000008, (1<<15)|(repeat<<8)|(a<<4)|b); + VERBOSE(getShiftValueFlip()); +} +#endif + +extern int jtag_check_value(u8 *captured, void *priv); + +static void gotoEndState() +{ + setCurrentState(cmd_queue_end_state); +} + +static __inline void scanFields(int num_fields, scan_field_t *fields, enum tap_state shiftState, int pause) +{ + int i; + int j; + int k; + + for (i = 0; i < num_fields; i++) + { + cyg_uint32 value; + + static u8 *in_buff=NULL; /* pointer to buffer for scanned data */ + static int in_buff_size=0; + u8 *inBuffer=NULL; + + + // figure out where to store the input data + int num_bits=fields[i].num_bits; + if (fields[i].in_value!=NULL) + { + inBuffer=fields[i].in_value; + } else if (fields[i].in_handler!=NULL) + { + if (in_buff_size*8<num_bits) + { + // we need more space + if (in_buff!=NULL) + free(in_buff); + in_buff=NULL; + in_buff_size=(num_bits+7)/8; + in_buff=malloc(in_buff_size); + if (in_buff==NULL) + { + LOG_ERROR("Out of memory"); + jtag_error=ERROR_JTAG_QUEUE_FAILED; + return; + } + } + inBuffer=in_buff; + } + + // here we shuffle N bits out/in + j=0; + while (j<num_bits) + { + enum tap_state pause_state; + int l; + k=num_bits-j; + pause_state=(shiftState==TAP_SD)?TAP_SD:TAP_SI; + if (k>32) + { + k=32; + /* we have more to shift out */ + } else if (pause&&(i == num_fields-1)) + { + /* this was the last to shift out this time */ + pause_state=(shiftState==TAP_SD)?TAP_PD:TAP_PI; + } + + // we have (num_bits+7)/8 bytes of bits to toggle out. + // bits are pushed out LSB to MSB + value=0; + if (fields[i].out_value!=NULL) + { + for (l=0; l<k; l+=8) + { + value|=fields[i].out_value[(j+l)/8]<<l; + } + } + /* mask away unused bits for easier debugging */ + value&=~(((u32)0xffffffff)<<k); + + shiftValueInner(shiftState, pause_state, k, value); + + if (inBuffer!=NULL) + { + // data in, LSB to MSB + value=getShiftValue(); + // we're shifting in data to MSB, shift data to be aligned for returning the value + value >>= 32-k; + + for (l=0; l<k; l+=8) + { + inBuffer[(j+l)/8]=(value>>l)&0xff; + } + } + j+=k; + } + + if (fields[i].in_handler!=NULL) + { + // invoke callback + int r=fields[i].in_handler(inBuffer, fields[i].in_handler_priv, fields+i); + if (r!=ERROR_OK) + { + /* this will cause jtag_execute_queue() to return an error */ + jtag_error=r; + } + } + } +} + +int interface_jtag_add_end_state(enum tap_state state) +{ + return ERROR_OK; +} + + +int interface_jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state) +{ + + int i, j; + int scan_size = 0; + jtag_device_t *device; + + for (i=0; i < jtag_num_devices; i++) + { + int pause=i==(jtag_num_devices-1); + int found = 0; + device = jtag_get_device(i); + scan_size = device->ir_length; + + /* search the list */ + for (j=0; j < num_fields; j++) + { + if (i == fields[j].device) + { + found = 1; + + if ((jtag_verify_capture_ir)&&(fields[j].in_handler==NULL)) + { + jtag_set_check_value(fields+j, device->expected, device->expected_mask, NULL); + } else if (jtag_verify_capture_ir) + { + fields[j].in_check_value = device->expected; + fields[j].in_check_mask = device->expected_mask; + } + + scanFields(1, fields+j, TAP_SI, pause); + /* update device information */ + buf_cpy(fields[j].out_value, jtag_get_device(i)->cur_instr, scan_size); + + device->bypass = 0; + break; + } + } + + if (!found) + { + /* if a device isn't listed, set it to BYPASS */ + u8 ones[]={0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}; + + scan_field_t tmp; + memset(&tmp, 0, sizeof(tmp)); + tmp.out_value = ones; + tmp.num_bits = scan_size; + scanFields(1, &tmp, TAP_SI, pause); + /* update device information */ + buf_cpy(tmp.out_value, jtag_get_device(i)->cur_instr, scan_size); + device->bypass = 1; + } + } + gotoEndState(); + + return ERROR_OK; +} + + + + + +int interface_jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state) +{ + scanFields(num_fields, fields, TAP_SI, 1); + gotoEndState(); + + return ERROR_OK; +} + +/*extern jtag_command_t **jtag_get_last_command_p(void);*/ + +int interface_jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state) +{ + int i, j; + for (i=0; i < jtag_num_devices; i++) + { + int found = 0; + int pause = (i==(jtag_num_devices-1)); + + for (j=0; j < num_fields; j++) + { + if (i == fields[j].device) + { + found = 1; + + scanFields(1, fields+j, TAP_SD, pause); + } + } + if (!found) + { +#ifdef _DEBUG_JTAG_IO_ + /* if a device isn't listed, the BYPASS register should be selected */ + if (!jtag_get_device(i)->bypass) + { + LOG_ERROR("BUG: no scan data for a device not in BYPASS"); + exit(-1); + } +#endif + + scan_field_t tmp; + /* program the scan field to 1 bit length, and ignore it's value */ + tmp.num_bits = 1; + tmp.out_value = NULL; + tmp.out_mask = NULL; + tmp.in_value = NULL; + tmp.in_check_value = NULL; + tmp.in_check_mask = NULL; + tmp.in_handler = NULL; + tmp.in_handler_priv = NULL; + + scanFields(1, &tmp, TAP_SD, pause); + } + else + { +#ifdef _DEBUG_JTAG_IO_ + /* if a device is listed, the BYPASS register must not be selected */ + if (jtag_get_device(i)->bypass) + { + LOG_WARNING("scan data for a device in BYPASS"); + } +#endif + } + } + gotoEndState(); + return ERROR_OK; +} + +int interface_jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state) +{ + scanFields(num_fields, fields, TAP_SD, 1); + gotoEndState(); + return ERROR_OK; +} + + +int interface_jtag_add_tlr() +{ + setCurrentState(TAP_TLR); + return ERROR_OK; +} + + + + +extern int jtag_nsrst_delay; +extern int jtag_ntrst_delay; + +int interface_jtag_add_reset(int req_trst, int req_srst) +{ + eCosBoard_reset(req_trst, req_srst); + return ERROR_OK; +} + +int interface_jtag_add_runtest(int num_cycles, enum tap_state state) +{ + /* num_cycles can be 0 */ + setCurrentState(TAP_RTI); + + /* execute num_cycles, 32 at the time. */ + int i; + for (i=0; i<num_cycles; i+=32) + { + int num; + num=32; + if (num_cycles-i<num) + { + num=num_cycles-i; + } + shiftValueInner(TAP_RTI, TAP_RTI, num, 0); + } + +#if !TEST_MANUAL() + /* finish in end_state */ + setCurrentState(state); +#else + enum tap_state t=TAP_RTI; + /* test manual drive code on any target */ + int tms; + u8 tms_scan = TAP_MOVE(t, state); + + for (i = 0; i < 7; i++) + { + tms = (tms_scan >> i) & 1; + waitIdle(); + ZY1000_POKE(0x08000028, tms); + } + waitIdle(); + ZY1000_POKE(0x08000020, state); +#endif + + + return ERROR_OK; +} + +int interface_jtag_add_sleep(u32 us) +{ + jtag_sleep(us); + return ERROR_OK; +} + +int interface_jtag_add_pathmove(int num_states, enum tap_state *path) +{ + int state_count; + int tms = 0; + + /*wait for the fifo to be empty*/ + waitIdle(); + + state_count = 0; + + enum tap_state cur_state=cmd_queue_cur_state; + + while (num_states) + { + if (tap_transitions[cur_state].low == path[state_count]) + { + tms = 0; + } + else if (tap_transitions[cur_state].high == path[state_count]) + { + tms = 1; + } + else + { + LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[path[state_count]]); + exit(-1); + } + + waitIdle(); + ZY1000_POKE(0x08000028, tms); + + cur_state = path[state_count]; + state_count++; + num_states--; + } + + waitIdle(); + ZY1000_POKE(0x08000020, cur_state); + return ERROR_OK; +} + + + +void embeddedice_write_dcc(int chain_pos, int reg_addr, u8 *buffer, int little, int count) +{ +// static int const reg_addr=0x5; + enum tap_state end_state=cmd_queue_end_state; + if (jtag_num_devices==1) + { + /* better performance via code duplication */ + if (little) + { + int i; + for (i = 0; i < count; i++) + { + shiftValueInner(TAP_SD, TAP_SD, 32, fast_target_buffer_get_u32(buffer, 1)); + shiftValueInner(TAP_SD, end_state, 6, reg_addr|(1<<5)); + buffer+=4; + } + } else + { + int i; + for (i = 0; i < count; i++) + { + shiftValueInner(TAP_SD, TAP_SD, 32, fast_target_buffer_get_u32(buffer, 0)); + shiftValueInner(TAP_SD, end_state, 6, reg_addr|(1<<5)); + buffer+=4; + } + } + } + else + { + int i; + for (i = 0; i < count; i++) + { + embeddedice_write_reg_inner(chain_pos, reg_addr, fast_target_buffer_get_u32(buffer, little)); + buffer += 4; + } + } +} + diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c index 14a781ce..7b65c8bd 100644 --- a/src/target/cortex_m3.c +++ b/src/target/cortex_m3.c @@ -106,14 +106,14 @@ int cortex_m3_clear_halt(target_t *target) armv7m_common_t *armv7m = target->arch_info; cortex_m3_common_t *cortex_m3 = armv7m->arch_info; swjdp_common_t *swjdp = &cortex_m3->swjdp_info; - - /* Read Debug Fault Status Register */ - ahbap_read_system_atomic_u32(swjdp, NVIC_DFSR, &cortex_m3->nvic_dfsr); - /* Write Debug Fault Status Register to enable processing to resume ?? Try with and without this !! */ - ahbap_write_system_atomic_u32(swjdp, NVIC_DFSR, cortex_m3->nvic_dfsr); - LOG_DEBUG(" NVIC_DFSR 0x%x", cortex_m3->nvic_dfsr); - - return ERROR_OK; + + /* Read Debug Fault Status Register */ + ahbap_read_system_atomic_u32(swjdp, NVIC_DFSR, &cortex_m3->nvic_dfsr); + /* Write Debug Fault Status Register to enable processing to resume ?? Try with and without this !! */ + ahbap_write_system_atomic_u32(swjdp, NVIC_DFSR, cortex_m3->nvic_dfsr); + LOG_DEBUG(" NVIC_DFSR 0x%x", cortex_m3->nvic_dfsr); + + return ERROR_OK; } int cortex_m3_single_step_core(target_t *target) @@ -287,8 +287,8 @@ int cortex_m3_examine_exception_reason(target_t *target) break; } swjdp_transaction_endcheck(swjdp); - LOG_DEBUG("%s SHCSR 0x%x, SR 0x%x, CFSR 0x%x, AR 0x%x", armv7m_exception_string(armv7m->exception_number), \ - shcsr, except_sr, cfsr, except_ar); + LOG_DEBUG("%s SHCSR 0x%x, SR 0x%x, CFSR 0x%x, AR 0x%x", armv7m_exception_string(armv7m->exception_number), \ + shcsr, except_sr, cfsr, except_ar); return ERROR_OK; } @@ -363,9 +363,9 @@ int cortex_m3_debug_entry(target_t *target) } LOG_DEBUG("entered debug state in core mode: %s at PC 0x%x, target->state: %s", - armv7m_mode_strings[armv7m->core_mode], - *(u32*)(armv7m->core_cache->reg_list[15].value), - Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name); + armv7m_mode_strings[armv7m->core_mode], + *(u32*)(armv7m->core_cache->reg_list[15].value), + Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name); if (armv7m->post_debug_entry) armv7m->post_debug_entry(target); @@ -439,7 +439,7 @@ int cortex_m3_poll(target_t *target) */ #if 0 - /* Read Debug Fault Status Register, added to figure out the lockup when running flashtest.script */ + /* Read Debug Fault Status Register, added to figure out the lockup when running flashtest.script */ ahbap_read_system_atomic_u32(swjdp, NVIC_DFSR, &cortex_m3->nvic_dfsr); LOG_DEBUG("dcb_dhcsr 0x%x, nvic_dfsr 0x%x, target->state: %s", cortex_m3->dcb_dhcsr, cortex_m3->nvic_dfsr, Jim_Nvp_value2name( nvp_target_state, target->state )->name ); #endif @@ -455,7 +455,7 @@ int cortex_m3_halt(target_t *target) swjdp_common_t *swjdp = &cortex_m3->swjdp_info; LOG_DEBUG("target->state: %s", - Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name ); + Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name ); if (target->state == TARGET_HALTED) { @@ -518,7 +518,7 @@ int cortex_m3_soft_reset_halt(struct target_s *target) retval = ahbap_read_system_atomic_u32(swjdp, DCB_DHCSR, &dcb_dhcsr); if (retval == ERROR_OK) { - ahbap_read_system_atomic_u32(swjdp, NVIC_DFSR, &cortex_m3->nvic_dfsr); + ahbap_read_system_atomic_u32(swjdp, NVIC_DFSR, &cortex_m3->nvic_dfsr); if ((dcb_dhcsr & S_HALT) && (cortex_m3->nvic_dfsr & DFSR_VCATCH)) { LOG_DEBUG("system reset-halted, dcb_dhcsr 0x%x, nvic_dfsr 0x%x", dcb_dhcsr, cortex_m3->nvic_dfsr); @@ -563,11 +563,9 @@ int cortex_m3_resume(struct target_s *target, int current, u32 address, int hand if (debug_execution) { /* Disable interrupts */ - /* - We disable interrupts in the PRIMASK register instead of masking with C_MASKINTS, - This is probably the same inssue as Cortex-M3 Errata 377493: - C_MASKINTS in parallel with disabled interrupts can cause local faults to not be taken. - */ + /* We disable interrupts in the PRIMASK register instead of masking with C_MASKINTS, + * This is probably the same inssue as Cortex-M3 Errata 377493: + * C_MASKINTS in parallel with disabled interrupts can cause local faults to not be taken. */ buf_set_u32(armv7m->core_cache->reg_list[ARMV7M_PRIMASK].value, 0, 32, 1); /* Make sure we are in Thumb mode */ buf_set_u32(armv7m->core_cache->reg_list[ARMV7M_xPSR].value, 0, 32, @@ -654,7 +652,7 @@ int cortex_m3_step(struct target_s *target, int current, u32 address, int handle armv7m_restore_context(target); target_call_event_callbacks(target, TARGET_EVENT_RESUMED); - + if (cortex_m3->dcb_dhcsr & C_MASKINTS) ahbap_write_system_atomic_u32(swjdp, DCB_DHCSR, DBGKEY | C_HALT | C_DEBUGEN ); ahbap_write_system_atomic_u32(swjdp, DCB_DHCSR, DBGKEY| C_STEP | C_DEBUGEN); @@ -683,7 +681,7 @@ int cortex_m3_assert_reset(target_t *target) int assert_srst = 1; LOG_DEBUG("target->state: %s", - Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name ); + Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name ); if (!(jtag_reset_config & RESET_HAS_SRST)) { @@ -765,10 +763,10 @@ int cortex_m3_assert_reset(target_t *target) { /* I do not know why this is necessary, but it fixes strange effects - (step/resume cause a NMI after reset) on LM3S6918 -- Michael Schwingen */ + * (step/resume cause a NMI after reset) on LM3S6918 -- Michael Schwingen */ u32 tmp; ahbap_read_system_atomic_u32(swjdp, NVIC_AIRCR, &tmp ); - } + } } target->state = TARGET_RESET; @@ -776,12 +774,12 @@ int cortex_m3_assert_reset(target_t *target) armv7m_invalidate_core_regs(target); - if (target->reset_halt) - { - int retval; + if (target->reset_halt) + { + int retval; if ((retval = target_halt(target))!=ERROR_OK) return retval; - } + } return ERROR_OK; } @@ -789,7 +787,7 @@ int cortex_m3_assert_reset(target_t *target) int cortex_m3_deassert_reset(target_t *target) { LOG_DEBUG("target->state: %s", - Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name); + Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name); /* deassert reset lines */ jtag_add_reset(0, 0); @@ -826,7 +824,7 @@ int cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) LOG_WARNING("breakpoint already set"); return ERROR_OK; } - + if (cortex_m3->auto_bp_type) { breakpoint->type = (breakpoint->address < 0x20000000) ? BKPT_HARD : BKPT_SOFT; |