From 3245a0cd5fdfcf27cc08a173e5c29abfd66882ee Mon Sep 17 00:00:00 2001 From: oharboe Date: Mon, 8 Jun 2009 14:13:32 +0000 Subject: update zy1000 to latest minidriver work git-svn-id: svn://svn.berlios.de/openocd/trunk@2132 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/jtag/zy1000.c | 809 ------------------------------------------------------ 1 file changed, 809 deletions(-) delete mode 100644 src/jtag/zy1000.c (limited to 'src/jtag/zy1000.c') diff --git a/src/jtag/zy1000.c b/src/jtag/zy1000.c deleted file mode 100644 index ad148f1d..00000000 --- a/src/jtag/zy1000.c +++ /dev/null @@ -1,809 +0,0 @@ -/*************************************************************************** - * 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 "embeddedice.h" -#include "minidriver.h" -#include "interface.h" - -#include // low level i/o -#include - - -#define ZYLIN_VERSION "1.52" -#define ZYLIN_DATE __DATE__ -#define ZYLIN_TIME __TIME__ -#define ZYLIN_OPENOCD "$Revision$" -#define ZYLIN_OPENOCD_VERSION "Zylin JTAG ZY1000 " ZYLIN_VERSION " " ZYLIN_DATE " " ZYLIN_TIME -const char *zylin_config_dir="/config/settings"; - -/* low level command set - */ -int zy1000_read(void); -static void zy1000_write(int tck, int tms, int tdi); -void zy1000_reset(int trst, int srst); - - -int zy1000_speed(int speed); -int zy1000_register_commands(struct command_context_s *cmd_ctx); -int zy1000_init(void); -int zy1000_quit(void); - -/* interface commands */ -int zy1000_handle_zy1000_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); - -static int zy1000_khz(int khz, int *jtag_speed) -{ - if (khz==0) - { - *jtag_speed=0; - } - else - { - *jtag_speed=64000/khz; - } - return ERROR_OK; -} - -static int zy1000_speed_div(int speed, int *khz) -{ - if (speed==0) - { - *khz = 0; - } - else - { - *khz=64000/speed; - } - - return ERROR_OK; -} - -static bool readPowerDropout(void) -{ - cyg_uint32 state; - // sample and clear power dropout - HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x10, 0x80); - HAL_READ_UINT32(ZY1000_JTAG_BASE+0x10, state); - bool powerDropout; - powerDropout = (state & 0x80) != 0; - return powerDropout; -} - - -static bool readSRST(void) -{ - cyg_uint32 state; - // sample and clear SRST sensing - HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x10, 0x00000040); - HAL_READ_UINT32(ZY1000_JTAG_BASE+0x10, state); - bool srstAsserted; - srstAsserted = (state & 0x40) != 0; - return srstAsserted; -} - -static int zy1000_srst_asserted(int *srst_asserted) -{ - *srst_asserted=readSRST(); - return ERROR_OK; -} - -static int zy1000_power_dropout(int *dropout) -{ - *dropout=readPowerDropout(); - return ERROR_OK; -} - - -jtag_interface_t zy1000_interface = -{ - .name = "ZY1000", - .execute_queue = NULL, - .speed = zy1000_speed, - .register_commands = zy1000_register_commands, - .init = zy1000_init, - .quit = zy1000_quit, - .khz = zy1000_khz, - .speed_div = zy1000_speed_div, - .power_dropout = zy1000_power_dropout, - .srst_asserted = zy1000_srst_asserted, -}; - -static void zy1000_write(int tck, int tms, int tdi) -{ - -} - -int zy1000_read(void) -{ - return -1; -} - -extern bool readSRST(void); - -void zy1000_reset(int trst, int srst) -{ - LOG_DEBUG("zy1000 trst=%d, srst=%d", trst, srst); - if(!srst) - { - ZY1000_POKE(ZY1000_JTAG_BASE+0x14, 0x00000001); - } - else - { - /* Danger!!! if clk!=0 when in - * idle in TAP_IDLE, reset halt on str912 will fail. - */ - ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x00000001); - } - - if(!trst) - { - ZY1000_POKE(ZY1000_JTAG_BASE+0x14, 0x00000002); - } - else - { - /* assert reset */ - ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x00000002); - } - - if (trst||(srst&&(jtag_reset_config & RESET_SRST_PULLS_TRST))) - { - waitIdle(); - /* we're now in the RESET state until trst is deasserted */ - ZY1000_POKE(ZY1000_JTAG_BASE+0x20, TAP_RESET); - } else - { - /* We'll get RCLK failure when we assert TRST, so clear any false positives here */ - ZY1000_POKE(ZY1000_JTAG_BASE+0x14, 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 zy1000_speed(int speed) -{ - if(speed == 0) - { - /*0 means RCLK*/ - speed = 0; - ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x100); - LOG_DEBUG("jtag_speed using RCLK"); - } - else - { - if(speed > 8190 || speed < 2) - { - LOG_USER("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(ZY1000_JTAG_BASE+0x14, 0x100); - ZY1000_POKE(ZY1000_JTAG_BASE+0x1c, speed&~1); - } - return ERROR_OK; -} - -static bool savePower; - - -static void setPower(bool power) -{ - savePower = power; - if (power) - { - HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x14, 0x8); - } else - { - HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x10, 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; -} - - -/* Give TELNET a way to find out what version this is */ -static int jim_zy1000_version(Jim_Interp *interp, int argc, Jim_Obj *const *argv) -{ - if ((argc < 1) || (argc > 2)) - return JIM_ERR; - char buff[128]; - const char *version_str=NULL; - - if (argc == 1) - { - version_str=ZYLIN_OPENOCD_VERSION; - } else - { - const char *str = Jim_GetString(argv[1], NULL); - if (strcmp("openocd", str) == 0) - { - int revision; - revision = atol(ZYLIN_OPENOCD+strlen("XRevision: ")); - sprintf(buff, "%d", revision); - version_str=buff; - } - else if (strcmp("zy1000", str) == 0) - { - version_str=ZYLIN_VERSION; - } - else if (strcmp("date", str) == 0) - { - version_str=ZYLIN_DATE; - } - else - { - return JIM_ERR; - } - } - - Jim_SetResult(interp, Jim_NewStringObj(interp, version_str, -1)); - - return JIM_OK; -} - - -static int -zylinjtag_Jim_Command_powerstatus(Jim_Interp *interp, - int argc, - Jim_Obj * const *argv) -{ - if (argc != 1) - { - Jim_WrongNumArgs(interp, 1, argv, "powerstatus"); - return JIM_ERR; - } - - cyg_uint32 status; - ZY1000_PEEK(ZY1000_JTAG_BASE+0x10, status); - - Jim_SetResult(interp, Jim_NewIntObj(interp, (status&0x80)!=0)); - - return JIM_OK; -} - -int zy1000_register_commands(struct command_context_s *cmd_ctx) -{ - register_command(cmd_ctx, NULL, "power", handle_power_command, COMMAND_ANY, - "power - turn power switch to target on/off. No arguments - print status."); - - Jim_CreateCommand(interp, "zy1000_version", jim_zy1000_version, NULL, NULL); - - - Jim_CreateCommand(interp, "powerstatus", zylinjtag_Jim_Command_powerstatus, NULL, NULL); - - return ERROR_OK; -} - - - - -int zy1000_init(void) -{ - LOG_USER("%s", ZYLIN_OPENOCD_VERSION); - - ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x30); // Turn on LED1 & LED2 - - setPower(true); // on by default - - - /* deassert resets. Important to avoid infinite loop waiting for SRST to deassert */ - zy1000_reset(0, 0); - zy1000_speed(jtag_speed); - - return ERROR_OK; -} - -int zy1000_quit(void) -{ - - return ERROR_OK; -} - - - -int interface_jtag_execute_queue(void) -{ - cyg_uint32 empty; - - waitIdle(); - ZY1000_PEEK(ZY1000_JTAG_BASE+0x10, empty); - /* clear JTAG error register */ - ZY1000_POKE(ZY1000_JTAG_BASE+0x14, 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(void) -{ - cyg_uint32 value; - waitIdle(); - ZY1000_PEEK(ZY1000_JTAG_BASE+0xc, value); - VERBOSE(LOG_INFO("getShiftValue %08x", value)); - return value; -} -#if 0 -static cyg_uint32 getShiftValueFlip(void) -{ - cyg_uint32 value; - waitIdle(); - ZY1000_PEEK(ZY1000_JTAG_BASE+0x18, value); - VERBOSE(LOG_INFO("getShiftValue %08x (flipped)", value)); - return value; -} -#endif - -#if 0 -static void shiftValueInnerFlip(const tap_state_t state, const tap_state_t endState, int repeat, cyg_uint32 value) -{ - VERBOSE(LOG_INFO("shiftValueInner %s %s %d %08x (flipped)", tap_state_name(state), tap_state_name(endState), repeat, value)); - cyg_uint32 a,b; - a=state; - b=endState; - ZY1000_POKE(ZY1000_JTAG_BASE+0xc, value); - ZY1000_POKE(ZY1000_JTAG_BASE+0x8, (1<<15)|(repeat<<8)|(a<<4)|b); - VERBOSE(getShiftValueFlip()); -} -#endif - -extern int jtag_check_value(u8 *captured, void *priv); - -static __inline void scanFields(int num_fields, scan_field_t *fields, tap_state_t shiftState, tap_state_t end_state) -{ - 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; - } - - // here we shuffle N bits out/in - j=0; - while (j32) - { - k=32; - /* we have more to shift out */ - } else if (i == num_fields-1) - { - /* this was the last to shift out this time */ - pause_state=end_state; - } - - // 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>= 32-k; - - for (l=0; l>l)&0xff; - } - } - j+=k; - } - } -} - -int interface_jtag_set_end_state(tap_state_t state) -{ - return ERROR_OK; -} - - -int interface_jtag_add_ir_scan(int num_fields, const scan_field_t *fields, tap_state_t state) -{ - - int j; - int scan_size = 0; - jtag_tap_t *tap, *nextTap; - for(tap = jtag_tap_next_enabled(NULL); tap!= NULL; tap=nextTap) - { - nextTap=jtag_tap_next_enabled(tap); - tap_state_t end_state; - if (nextTap==NULL) - { - end_state = state; - } else - { - end_state = TAP_IRSHIFT; - } - - int found = 0; - - scan_size = tap->ir_length; - - /* search the list */ - for (j=0; j < num_fields; j++) - { - if (tap == fields[j].tap) - { - found = 1; - - scanFields(1, fields+j, TAP_IRSHIFT, end_state); - /* update device information */ - buf_cpy(fields[j].out_value, tap->cur_instr, scan_size); - - tap->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_IRSHIFT, end_state); - /* update device information */ - buf_cpy(tmp.out_value, tap->cur_instr, scan_size); - tap->bypass = 1; - } - } - - return ERROR_OK; -} - - - - - -int interface_jtag_add_plain_ir_scan(int num_fields, const scan_field_t *fields, tap_state_t state) -{ - scanFields(num_fields, fields, TAP_IRSHIFT, state); - - return ERROR_OK; -} - -/*extern jtag_command_t **jtag_get_last_command_p(void);*/ - -int interface_jtag_add_dr_scan(int num_fields, const scan_field_t *fields, tap_state_t state) -{ - - int j; - jtag_tap_t *tap, *nextTap; - for(tap = jtag_tap_next_enabled(NULL); tap!= NULL; tap=nextTap) - { - nextTap=jtag_tap_next_enabled(tap); - int found=0; - tap_state_t end_state; - if (nextTap==NULL) - { - end_state = state; - } else - { - end_state = TAP_DRSHIFT; - } - - for (j=0; j < num_fields; j++) - { - if (tap == fields[j].tap) - { - found = 1; - - scanFields(1, fields+j, TAP_DRSHIFT, end_state); - } - } - if (!found) - { - 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.in_value = NULL; - - scanFields(1, &tmp, TAP_DRSHIFT, end_state); - } - else - { - } - } - return ERROR_OK; -} - -int interface_jtag_add_plain_dr_scan(int num_fields, const scan_field_t *fields, tap_state_t state) -{ - scanFields(num_fields, fields, TAP_DRSHIFT, state); - return ERROR_OK; -} - - -int interface_jtag_add_tlr() -{ - setCurrentState(TAP_RESET); - return ERROR_OK; -} - - - - -extern int jtag_nsrst_delay; -extern int jtag_ntrst_delay; - -int interface_jtag_add_reset(int req_trst, int req_srst) -{ - zy1000_reset(req_trst, req_srst); - return ERROR_OK; -} - -static int zy1000_jtag_add_clocks(int num_cycles, tap_state_t state, tap_state_t clockstate) -{ - /* num_cycles can be 0 */ - setCurrentState(clockstate); - - /* execute num_cycles, 32 at the time. */ - int i; - for (i=0; i> i) & 1; - waitIdle(); - ZY1000_POKE(ZY1000_JTAG_BASE+0x28, tms); - } - waitIdle(); - ZY1000_POKE(ZY1000_JTAG_BASE+0x20, state); -#endif - - - return ERROR_OK; -} - -int interface_jtag_add_runtest(int num_cycles, tap_state_t state) -{ - return zy1000_jtag_add_clocks(num_cycles, state, TAP_IDLE); -} - -int interface_jtag_add_clocks(int num_cycles) -{ - return zy1000_jtag_add_clocks(num_cycles, cmd_queue_cur_state, cmd_queue_cur_state); -} - -int interface_jtag_add_sleep(u32 us) -{ - jtag_sleep(us); - return ERROR_OK; -} - -int interface_jtag_add_pathmove(int num_states, const tap_state_t *path) -{ - int state_count; - int tms = 0; - - /*wait for the fifo to be empty*/ - waitIdle(); - - state_count = 0; - - tap_state_t cur_state=cmd_queue_cur_state; - - while (num_states) - { - if (tap_state_transition(cur_state, false) == path[state_count]) - { - tms = 0; - } - else if (tap_state_transition(cur_state, true) == path[state_count]) - { - tms = 1; - } - else - { - LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(cur_state), tap_state_name(path[state_count])); - exit(-1); - } - - waitIdle(); - ZY1000_POKE(ZY1000_JTAG_BASE+0x28, tms); - - cur_state = path[state_count]; - state_count++; - num_states--; - } - - waitIdle(); - ZY1000_POKE(ZY1000_JTAG_BASE+0x20, cur_state); - return ERROR_OK; -} - - - -void embeddedice_write_dcc(jtag_tap_t *tap, int reg_addr, u8 *buffer, int little, int count) -{ -// static int const reg_addr=0x5; - tap_state_t end_state=jtag_get_end_state(); - if (jtag_tap_next_enabled(jtag_tap_next_enabled(NULL))==NULL) - { - /* better performance via code duplication */ - if (little) - { - int i; - for (i = 0; i < count; i++) - { - shiftValueInner(TAP_DRSHIFT, TAP_DRSHIFT, 32, fast_target_buffer_get_u32(buffer, 1)); - shiftValueInner(TAP_DRSHIFT, end_state, 6, reg_addr|(1<<5)); - buffer+=4; - } - } else - { - int i; - for (i = 0; i < count; i++) - { - shiftValueInner(TAP_DRSHIFT, TAP_DRSHIFT, 32, fast_target_buffer_get_u32(buffer, 0)); - shiftValueInner(TAP_DRSHIFT, end_state, 6, reg_addr|(1<<5)); - buffer+=4; - } - } - } - else - { - int i; - for (i = 0; i < count; i++) - { - embeddedice_write_reg_inner(tap, reg_addr, fast_target_buffer_get_u32(buffer, little)); - buffer += 4; - } - } -} - -int loadFile(const char *fileName, void **data, int *len); - -/* boolean parameter stored on config */ -int boolParam(char *var) -{ - bool result = false; - char *name = alloc_printf("%s/%s", zylin_config_dir, 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; -} - - -- cgit v1.2.3