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authorZachary T Welch <zw@superlucidity.net>2009-12-02 17:18:05 -0800
committerZachary T Welch <zw@superlucidity.net>2009-12-02 23:27:09 -0800
commit865efd828a267992db0f2a92a731c5ce23a34236 (patch)
treec504af3f912c13c32ffd5f75ad98081008051c7a /src/jtag/parport.c
parentfe9228a32db930be297d4d3b35ffb94d6de1b9ab (diff)
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move jtag drivers to src/jtag/drivers
Moves JTAG interface drivers to src/jtag/drivers/, Adds src/jtag/drivers/Makefile.am. Builds libocdjtagdrivers.la. Flattens the rlink driver files into the drivers/ directory, adding the 'rlink_' prefix or '.rlink' suffix as appropriate.
Diffstat (limited to 'src/jtag/parport.c')
-rw-r--r--src/jtag/parport.c533
1 files changed, 0 insertions, 533 deletions
diff --git a/src/jtag/parport.c b/src/jtag/parport.c
deleted file mode 100644
index e5f56113..00000000
--- a/src/jtag/parport.c
+++ /dev/null
@@ -1,533 +0,0 @@
-/***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * 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 "interface.h"
-#include "bitbang.h"
-
-/* -ino: 060521-1036 */
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-#include <machine/sysarch.h>
-#include <machine/cpufunc.h>
-#define ioperm(startport,length,enable)\
- i386_set_ioperm((startport), (length), (enable))
-#endif /* __FreeBSD__ */
-
-#if PARPORT_USE_PPDEV == 1
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-#include <dev/ppbus/ppi.h>
-#include <dev/ppbus/ppbconf.h>
-#define PPRSTATUS PPIGSTATUS
-#define PPWDATA PPISDATA
-#else
-#include <linux/parport.h>
-#include <linux/ppdev.h>
-#endif
-#include <sys/ioctl.h>
-#else /* not PARPORT_USE_PPDEV */
-#ifndef _WIN32
-#include <sys/io.h>
-#endif
-#endif
-
-#if PARPORT_USE_GIVEIO == 1 && IS_CYGWIN == 1
-#include <windows.h>
-#endif
-
-
-/* parallel port cable description
- */
-struct cable {
- char* name;
- uint8_t TDO_MASK; /* status port bit containing current TDO value */
- uint8_t TRST_MASK; /* data port bit for TRST */
- uint8_t TMS_MASK; /* data port bit for TMS */
- uint8_t TCK_MASK; /* data port bit for TCK */
- uint8_t TDI_MASK; /* data port bit for TDI */
- uint8_t SRST_MASK; /* data port bit for SRST */
- uint8_t OUTPUT_INVERT; /* data port bits that should be inverted */
- uint8_t INPUT_INVERT; /* status port that should be inverted */
- uint8_t PORT_INIT; /* initialize data port with this value */
- uint8_t PORT_EXIT; /* de-initialize data port with this value */
- uint8_t LED_MASK; /* data port bit for LED */
-};
-
-static struct cable cables[] =
-{
- /* name tdo trst tms tck tdi srst o_inv i_inv init exit led */
- { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x80, 0x00 },
- { "wiggler2", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x00, 0x20 },
- { "wiggler_ntrst_inverted",
- 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x11, 0x80, 0x80, 0x80, 0x00 },
- { "old_amt_wiggler", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x11, 0x80, 0x80, 0x80, 0x00 },
- { "arm-jtag", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x01, 0x80, 0x80, 0x80, 0x00 },
- { "chameleon", 0x80, 0x00, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 },
- { "dlc5", 0x10, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00 },
- { "triton", 0x80, 0x08, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 },
- { "lattice", 0x40, 0x10, 0x04, 0x02, 0x01, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00 },
- { "flashlink", 0x20, 0x10, 0x02, 0x01, 0x04, 0x20, 0x30, 0x20, 0x00, 0x00, 0x00 },
-/* Altium Universal JTAG cable. Set the cable to Xilinx Mode and wire to target as follows:
- HARD TCK - Target TCK
- HARD TMS - Target TMS
- HARD TDI - Target TDI
- HARD TDO - Target TDO
- SOFT TCK - Target TRST
- SOFT TDI - Target SRST
-*/
- { "altium", 0x10, 0x20, 0x04, 0x02, 0x01, 0x80, 0x00, 0x00, 0x10, 0x00, 0x08 },
- { NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
-};
-
-/* configuration */
-static char* parport_cable = NULL;
-static uint16_t parport_port;
-static bool parport_exit = 0;
-static uint32_t parport_toggling_time_ns = 1000;
-static int wait_states;
-
-/* interface variables
- */
-static struct cable* cable;
-static uint8_t dataport_value = 0x0;
-
-#if PARPORT_USE_PPDEV == 1
-static int device_handle;
-#else
-static unsigned long dataport;
-static unsigned long statusport;
-#endif
-
-static int parport_read(void)
-{
- int data = 0;
-
-#if PARPORT_USE_PPDEV == 1
- ioctl(device_handle, PPRSTATUS, & data);
-#else
- data = inb(statusport);
-#endif
-
- if ((data ^ cable->INPUT_INVERT) & cable->TDO_MASK)
- return 1;
- else
- return 0;
-}
-
-static __inline__ void parport_write_data(void)
-{
- uint8_t output;
- output = dataport_value ^ cable->OUTPUT_INVERT;
-
-#if PARPORT_USE_PPDEV == 1
- ioctl(device_handle, PPWDATA, &output);
-#else
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- outb(dataport, output);
-#else
- outb(output, dataport);
-#endif
-#endif
-}
-
-static void parport_write(int tck, int tms, int tdi)
-{
- int i = wait_states + 1;
-
- if (tck)
- dataport_value |= cable->TCK_MASK;
- else
- dataport_value &= ~cable->TCK_MASK;
-
- if (tms)
- dataport_value |= cable->TMS_MASK;
- else
- dataport_value &= ~cable->TMS_MASK;
-
- if (tdi)
- dataport_value |= cable->TDI_MASK;
- else
- dataport_value &= ~cable->TDI_MASK;
-
- while (i-- > 0)
- parport_write_data();
-}
-
-/* (1) assert or (0) deassert reset lines */
-static void parport_reset(int trst, int srst)
-{
- LOG_DEBUG("trst: %i, srst: %i", trst, srst);
-
- if (trst == 0)
- dataport_value |= cable->TRST_MASK;
- else if (trst == 1)
- dataport_value &= ~cable->TRST_MASK;
-
- if (srst == 0)
- dataport_value |= cable->SRST_MASK;
- else if (srst == 1)
- dataport_value &= ~cable->SRST_MASK;
-
- parport_write_data();
-}
-
-/* turn LED on parport adapter on (1) or off (0) */
-static void parport_led(int on)
-{
- if (on)
- dataport_value |= cable->LED_MASK;
- else
- dataport_value &= ~cable->LED_MASK;
-
- parport_write_data();
-}
-
-static int parport_speed(int speed)
-{
- wait_states = speed;
- return ERROR_OK;
-}
-
-static int parport_khz(int khz, int* jtag_speed)
-{
- if (khz == 0) {
- LOG_DEBUG("RCLK not supported");
- return ERROR_FAIL;
- }
-
- *jtag_speed = 499999 / (khz * parport_toggling_time_ns);
- return ERROR_OK;
-}
-
-static int parport_speed_div(int speed, int* khz)
-{
- uint32_t denominator = (speed + 1) * parport_toggling_time_ns;
-
- *khz = (499999 + denominator) / denominator;
- return ERROR_OK;
-}
-
-#if PARPORT_USE_GIVEIO == 1
-static int parport_get_giveio_access(void)
-{
- HANDLE h;
- OSVERSIONINFO version;
-
- version.dwOSVersionInfoSize = sizeof version;
- if (!GetVersionEx(&version)) {
- errno = EINVAL;
- return -1;
- }
- if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
- return 0;
-
- h = CreateFile("\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
- if (h == INVALID_HANDLE_VALUE) {
- errno = ENODEV;
- return -1;
- }
-
- CloseHandle(h);
-
- return 0;
-}
-#endif
-
-static struct bitbang_interface parport_bitbang = {
- .read = &parport_read,
- .write = &parport_write,
- .reset = &parport_reset,
- .blink = &parport_led,
- };
-
-static int parport_init(void)
-{
- struct cable *cur_cable;
-#if PARPORT_USE_PPDEV == 1
- char buffer[256];
- int i = 0;
-#endif
-
- cur_cable = cables;
-
- if ((parport_cable == NULL) || (parport_cable[0] == 0))
- {
- parport_cable = "wiggler";
- LOG_WARNING("No parport cable specified, using default 'wiggler'");
- }
-
- while (cur_cable->name)
- {
- if (strcmp(cur_cable->name, parport_cable) == 0)
- {
- cable = cur_cable;
- break;
- }
- cur_cable++;
- }
-
- if (!cable)
- {
- LOG_ERROR("No matching cable found for %s", parport_cable);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- dataport_value = cable->PORT_INIT;
-
-#if PARPORT_USE_PPDEV == 1
- if (device_handle > 0)
- {
- LOG_ERROR("device is already opened");
- return ERROR_JTAG_INIT_FAILED;
- }
-
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- LOG_DEBUG("opening /dev/ppi%d...", parport_port);
-
- snprintf(buffer, 256, "/dev/ppi%d", parport_port);
- device_handle = open(buffer, O_WRONLY);
-#else /* not __FreeBSD__, __FreeBSD_kernel__ */
- LOG_DEBUG("opening /dev/parport%d...", parport_port);
-
- snprintf(buffer, 256, "/dev/parport%d", parport_port);
- device_handle = open(buffer, O_WRONLY);
-#endif /* __FreeBSD__, __FreeBSD_kernel__ */
-
- if (device_handle < 0)
- {
- int err = errno;
- LOG_ERROR("cannot open device. check it exists and that user read and write rights are set. errno=%d", err);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- LOG_DEBUG("...open");
-
-#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__)
- i = ioctl(device_handle, PPCLAIM);
- if (i < 0)
- {
- LOG_ERROR("cannot claim device");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- i = PARPORT_MODE_COMPAT;
- i= ioctl(device_handle, PPSETMODE, & i);
- if (i < 0)
- {
- LOG_ERROR(" cannot set compatible mode to device");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- i = IEEE1284_MODE_COMPAT;
- i = ioctl(device_handle, PPNEGOT, & i);
- if (i < 0)
- {
- LOG_ERROR("cannot set compatible 1284 mode to device");
- return ERROR_JTAG_INIT_FAILED;
- }
-#endif /* not __FreeBSD__, __FreeBSD_kernel__ */
-
-#else /* not PARPORT_USE_PPDEV */
- if (parport_port == 0)
- {
- parport_port = 0x378;
- LOG_WARNING("No parport port specified, using default '0x378' (LPT1)");
- }
-
- dataport = parport_port;
- statusport = parport_port + 1;
-
- LOG_DEBUG("requesting privileges for parallel port 0x%lx...", dataport);
-#if PARPORT_USE_GIVEIO == 1
- if (parport_get_giveio_access() != 0)
-#else /* PARPORT_USE_GIVEIO */
- if (ioperm(dataport, 3, 1) != 0)
-#endif /* PARPORT_USE_GIVEIO */
- {
- LOG_ERROR("missing privileges for direct i/o");
- return ERROR_JTAG_INIT_FAILED;
- }
- LOG_DEBUG("...privileges granted");
-
- /* make sure parallel port is in right mode (clear tristate and interrupt */
- #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- outb(parport_port + 2, 0x0);
- #else
- outb(0x0, parport_port + 2);
- #endif
-
-#endif /* PARPORT_USE_PPDEV */
-
- parport_reset(0, 0);
- parport_write(0, 0, 0);
- parport_led(1);
-
- bitbang_interface = &parport_bitbang;
-
- wait_states = jtag_get_speed();
-
- return ERROR_OK;
-}
-
-static int parport_quit(void)
-{
- parport_led(0);
-
- if (parport_exit)
- {
- dataport_value = cable->PORT_EXIT;
- parport_write_data();
- }
-
- if (parport_cable)
- {
- free(parport_cable);
- parport_cable = NULL;
- }
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(parport_handle_parport_port_command)
-{
- if (CMD_ARGC == 1)
- {
- /* only if the port wasn't overwritten by cmdline */
- if (parport_port == 0)
- {
- COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], parport_port);
- }
- else
- {
- LOG_ERROR("The parport port was already configured!");
- return ERROR_FAIL;
- }
- }
-
- command_print(CMD_CTX, "parport port = %u", parport_port);
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(parport_handle_parport_cable_command)
-{
- if (CMD_ARGC == 0)
- return ERROR_OK;
-
- /* only if the cable name wasn't overwritten by cmdline */
- if (parport_cable == 0)
- {
- parport_cable = malloc(strlen(CMD_ARGV[0]) + sizeof(char));
- strcpy(parport_cable, CMD_ARGV[0]);
- }
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(parport_handle_write_on_exit_command)
-{
- if (CMD_ARGC != 1)
- {
- command_print(CMD_CTX, "usage: parport_write_on_exit <on | off>");
- return ERROR_OK;
- }
-
- COMMAND_PARSE_ON_OFF(CMD_ARGV[0], parport_exit);
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(parport_handle_parport_toggling_time_command)
-{
- if (CMD_ARGC == 1) {
- uint32_t ns;
- int retval = parse_u32(CMD_ARGV[0], &ns);
-
- if (ERROR_OK != retval)
- return retval;
-
- if (ns == 0) {
- LOG_ERROR("0 ns is not a valid parport toggling time");
- return ERROR_FAIL;
- }
-
- parport_toggling_time_ns = ns;
- wait_states = jtag_get_speed();
- }
-
- command_print(CMD_CTX, "parport toggling time = %" PRIu32 " ns",
- parport_toggling_time_ns);
-
- return ERROR_OK;
-}
-
-static const struct command_registration parport_command_handlers[] = {
- {
- .name = "parport_port",
- .handler = &parport_handle_parport_port_command,
- .mode = COMMAND_CONFIG,
- .help = "either the address of the I/O port "
- "or the number of the '/dev/parport' device",
- .usage = "[<port|devname>]",
- },
- {
- .name = "parport_cable",
- .handler = &parport_handle_parport_cable_command,
- .mode = COMMAND_CONFIG,
- .help = "the layout of the parallel port cable "
- "used to connect to the target",
- .usage = "[<layout>]",
- },
- {
- .name = "parport_write_on_exit",
- .handler = &parport_handle_write_on_exit_command,
- .mode = COMMAND_CONFIG,
- .help = "configure the parallel driver to write "
- "a known value to the parallel interface",
- .usage = "[<on|off>]",
- },
- {
- .name = "parport_toggling_time",
- .handler = &parport_handle_parport_toggling_time_command,
- .mode = COMMAND_CONFIG,
- .help = "time <ns> it takes for the hardware to toggle TCK",
- .usage = "[<ns>]",
- },
- COMMAND_REGISTRATION_DONE
-};
-
-struct jtag_interface parport_interface = {
- .name = "parport",
-
- .commands = parport_command_handlers,
-
- .init = &parport_init,
- .quit = &parport_quit,
-
- .khz = &parport_khz,
- .speed_div = &parport_speed_div,
- .speed = &parport_speed,
-
- .execute_queue = &bitbang_execute_queue,
- };