X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fflash%2Fecos.c;h=5a0d7ec923514dbcf6247e60c03c58766cb36073;hp=09ed2507963beac10df52e9b23fa3c13170c1ca3;hb=632fd663a821047df9a9b965ec1c35d6b034ebba;hpb=ebbcbd3f29d16dbc183c037d2e9716e6cd49c922
diff --git a/src/flash/ecos.c b/src/flash/ecos.c
index 09ed250796..5a0d7ec923 100644
--- a/src/flash/ecos.c
+++ b/src/flash/ecos.c
@@ -1,485 +1,450 @@
-/***************************************************************************
- * Copyright (C) 2008 Øyvind Harboe *
- * oyvind.harboe@zylin.com *
- * *
- * 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 "replacements.h"
-
-
-#include "flash.h"
-
-#include "target.h"
-
-#include "flash.h"
-#include "target.h"
-#include "log.h"
-#include "binarybuffer.h"
-#include "../target/embeddedice.h"
-#include "types.h"
-
-
-
-int ecosflash_register_commands(struct command_context_s *cmd_ctx);
-int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-int ecosflash_erase(struct flash_bank_s *bank, int first, int last);
-int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last);
-int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
-int ecosflash_probe(struct flash_bank_s *bank);
-int ecosflash_erase_check(struct flash_bank_s *bank);
-int ecosflash_protect_check(struct flash_bank_s *bank);
-int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size);
-
-u32 ecosflash_get_flash_status(flash_bank_t *bank);
-void ecosflash_set_flash_mode(flash_bank_t *bank,int mode);
-u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout);
-int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-flash_driver_t ecosflash_flash =
-{
- .name = "ecosflash",
- .register_commands = ecosflash_register_commands,
- .flash_bank_command = ecosflash_flash_bank_command,
- .erase = ecosflash_erase,
- .protect = ecosflash_protect,
- .write = ecosflash_write,
- .probe = ecosflash_probe,
- .auto_probe = ecosflash_probe,
- .erase_check = ecosflash_erase_check,
- .protect_check = ecosflash_protect_check,
- .info = ecosflash_info
-};
-
-typedef struct ecosflash_flash_bank_s
-{
- struct target_s *target;
- working_area_t *write_algorithm;
- working_area_t *erase_check_algorithm;
- char *driverPath;
- u32 start_address;
-} ecosflash_flash_bank_t;
-
-static const int sectorSize=0x10000;
-
-char *
-flash_errmsg(int err);
-
-#ifndef __ECOS
-#define FLASH_ERR_OK 0x00 // No error - operation complete
-#define FLASH_ERR_INVALID 0x01 // Invalid FLASH address
-#define FLASH_ERR_ERASE 0x02 // Error trying to erase
-#define FLASH_ERR_LOCK 0x03 // Error trying to lock/unlock
-#define FLASH_ERR_PROGRAM 0x04 // Error trying to program
-#define FLASH_ERR_PROTOCOL 0x05 // Generic error
-#define FLASH_ERR_PROTECT 0x06 // Device/region is write-protected
-#define FLASH_ERR_NOT_INIT 0x07 // FLASH info not yet initialized
-#define FLASH_ERR_HWR 0x08 // Hardware (configuration?) problem
-#define FLASH_ERR_ERASE_SUSPEND 0x09 // Device is in erase suspend mode
-#define FLASH_ERR_PROGRAM_SUSPEND 0x0a // Device is in in program suspend mode
-#define FLASH_ERR_DRV_VERIFY 0x0b // Driver failed to verify data
-#define FLASH_ERR_DRV_TIMEOUT 0x0c // Driver timed out waiting for device
-#define FLASH_ERR_DRV_WRONG_PART 0x0d // Driver does not support device
-#define FLASH_ERR_LOW_VOLTAGE 0x0e // Not enough juice to complete job
-
-
-char *
-flash_errmsg(int err)
-{
- switch (err) {
- case FLASH_ERR_OK:
- return "No error - operation complete";
- case FLASH_ERR_ERASE_SUSPEND:
- return "Device is in erase suspend state";
- case FLASH_ERR_PROGRAM_SUSPEND:
- return "Device is in program suspend state";
- case FLASH_ERR_INVALID:
- return "Invalid FLASH address";
- case FLASH_ERR_ERASE:
- return "Error trying to erase";
- case FLASH_ERR_LOCK:
- return "Error trying to lock/unlock";
- case FLASH_ERR_PROGRAM:
- return "Error trying to program";
- case FLASH_ERR_PROTOCOL:
- return "Generic error";
- case FLASH_ERR_PROTECT:
- return "Device/region is write-protected";
- case FLASH_ERR_NOT_INIT:
- return "FLASH sub-system not initialized";
- case FLASH_ERR_DRV_VERIFY:
- return "Data verify failed after operation";
- case FLASH_ERR_DRV_TIMEOUT:
- return "Driver timed out waiting for device";
- case FLASH_ERR_DRV_WRONG_PART:
- return "Driver does not support device";
- case FLASH_ERR_LOW_VOLTAGE:
- return "Device reports low voltage";
- default:
- return "Unknown error";
- }
-}
-#endif
-
-/* flash bank ecosflash
- */
-int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
-{
- ecosflash_flash_bank_t *info;
-
- if (argc < 7)
- {
- WARNING("incomplete flash_bank ecosflash configuration");
- return ERROR_FLASH_BANK_INVALID;
- }
-
- info = malloc(sizeof(ecosflash_flash_bank_t));
- if(info == NULL)
- {
- ERROR("no memory for flash bank info");
- exit(-1);
- }
- bank->driver_priv = info;
- info->driverPath=strdup(args[6]);
-
- // eCos flash sector sizes are not exposed to OpenOCD, use 0x10000 as
- // a way to improve impeadance matach between OpenOCD and eCos flash
- // driver
- int i = 0;
- u32 offset = 0;
- bank->num_sectors=bank->size/sectorSize;
- bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);
- for (i = 0; i < bank->num_sectors; i++)
- {
- bank->sectors[i].offset = offset;
- bank->sectors[i].size = sectorSize;
- offset += bank->sectors[i].size;
- bank->sectors[i].is_erased = -1;
- bank->sectors[i].is_protected = 0;
- }
-
- info->target = get_target_by_num(strtoul(args[5], NULL, 0));
- if (info->target == NULL)
- {
- ERROR("no target '%i' configured", (int)strtoul(args[5], NULL, 0));
- exit(-1);
- }
- return ERROR_OK;
-}
-
-
-int loadDriver(ecosflash_flash_bank_t *info)
-{
- u32 buf_cnt;
- u32 image_size;
- image_t image;
-
- image.base_address_set = 0;
- image.start_address_set = 0;
- target_t *target=info->target;
-
- if (image_open(&image, info->driverPath, NULL) != ERROR_OK)
- {
- ERROR("load_image error: %s", image.error_str);
- return ERROR_FLASH_BANK_INVALID;
- }
-
- info->start_address=image.start_address;
-
- image_size = 0x0;
- int i;
- for (i = 0; i < image.num_sections; i++)
- {
- void *buffer = malloc(image.sections[i].size);
- int retval;
- if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
- {
- ERROR("image_read_section failed with error code: %i", retval);
- free(buffer);
- image_close(&image);
- return ERROR_FLASH_BANK_INVALID;
- }
- target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
- image_size += buf_cnt;
- DEBUG("%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
-
- free(buffer);
- }
-
- image_close(&image);
-
- return ERROR_OK;
-}
-
-
-static int const OFFSET_ERASE=0x0;
-static int const OFFSET_ERASE_SIZE=0x8;
-static int const OFFSET_FLASH=0xc;
-static int const OFFSET_FLASH_SIZE=0x8;
-static int const OFFSET_GET_WORKAREA=0x18;
-static int const OFFSET_GET_WORKAREA_SIZE=0x4;
-
-
-int runCode(ecosflash_flash_bank_t *info,
- u32 codeStart, u32 codeStop, u32 r0, u32 r1, u32 r2,
- u32 *result,
- // timeout in ms
- int timeout)
-{
- target_t *target=info->target;
-
- reg_param_t reg_params[3];
- armv4_5_algorithm_t armv4_5_info;
- armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
- armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
- armv4_5_info.core_state = ARMV4_5_STATE_ARM;
-
- init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT);
- init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
- init_reg_param(®_params[2], "r2", 32, PARAM_OUT);
-
- buf_set_u32(reg_params[0].value, 0, 32, r0);
- buf_set_u32(reg_params[1].value, 0, 32, r1);
- buf_set_u32(reg_params[2].value, 0, 32, r2);
-
- int retval;
- if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params,
- codeStart,
- codeStop, timeout,
- &armv4_5_info)) != ERROR_OK)
- {
- ERROR("error executing eCos flash algorithm");
- return retval;
- }
-
- *result=buf_get_u32(reg_params[0].value, 0, 32);
-
- destroy_reg_param(®_params[0]);
- destroy_reg_param(®_params[1]);
- destroy_reg_param(®_params[2]);
-
- return ERROR_OK;
-}
-
-int eCosBoard_erase(ecosflash_flash_bank_t *info, u32 address, u32 len)
-{
- int retval;
- int timeout = (len / 20480 + 1) * 1000; /*asume 20 KB/s*/
-
- retval=loadDriver(info);
- if (retval!=ERROR_OK)
- return retval;
-
- u32 flashErr;
- retval=runCode(info,
- info->start_address+OFFSET_ERASE,
- info->start_address+OFFSET_ERASE+OFFSET_ERASE_SIZE,
- address,
- len,
- 0,
- &flashErr,
- timeout
- );
- if (retval!=ERROR_OK)
- return retval;
-
- if (flashErr != 0x0)
- {
- ERROR("Flash erase failed with %d (%s)\n", flashErr, flash_errmsg(flashErr));
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- return ERROR_OK;
-}
-
-int eCosBoard_flash(ecosflash_flash_bank_t *info, void *data, u32 address, u32 len)
-{
- target_t *target=info->target;
- const int chunk=8192;
- int retval=ERROR_OK;
- int timeout = (chunk / 20480 + 1) * 1000; /*asume 20 KB/s + 1 second*/
-
- retval=loadDriver(info);
- if (retval!=ERROR_OK)
- return retval;
-
- u32 buffer;
- retval=runCode(info,
- info->start_address+OFFSET_GET_WORKAREA,
- info->start_address+OFFSET_GET_WORKAREA+OFFSET_GET_WORKAREA_SIZE,
- 0,
- 0,
- 0,
- &buffer,
- 1000);
- if (retval!=ERROR_OK)
- return retval;
-
-
- int i;
- for (i=0; ichunk)
- {
- t=chunk;
- }
-
- int retval;
- retval=target_write_buffer(target, buffer, t, ((char *)data)+i);
- if (retval != ERROR_OK)
- return retval;
-
- u32 flashErr;
- retval=runCode(info,
- info->start_address+OFFSET_FLASH,
- info->start_address+OFFSET_FLASH+OFFSET_FLASH_SIZE,
- buffer,
- address+i,
- t,
- &flashErr,
- timeout);
- if (retval != ERROR_OK)
- return retval;
-
- if (flashErr != 0x0)
- {
- ERROR("Flash prog failed with %d (%s)\n", flashErr, flash_errmsg(flashErr));
- return ERROR_JTAG_DEVICE_ERROR;
- }
- }
- return ERROR_OK;
-}
-
-
-int ecosflash_probe(struct flash_bank_s *bank)
-{
- return ERROR_OK;
-}
-
-
-int ecosflash_register_commands(struct command_context_s *cmd_ctx)
-{
- register_command(cmd_ctx, NULL, "ecosflash", NULL, COMMAND_ANY, NULL);
-
- return ERROR_OK;
-}
-
-/*
-static void command(flash_bank_t *bank, u8 cmd, u8 *cmd_buf)
-{
- ecosflash_flash_bank_t *info = bank->driver_priv;
- int i;
-
- if (info->target->endianness == TARGET_LITTLE_ENDIAN)
- {
- for (i = bank->bus_width; i > 0; i--)
- {
- *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
- }
- }
- else
- {
- for (i = 1; i <= bank->bus_width; i++)
- {
- *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
- }
- }
-}
-*/
-
-u32 ecosflash_address(struct flash_bank_s *bank, u32 address)
-{
- u32 retval = 0;
- switch(bank->bus_width)
- {
- case 4:
- retval = address & 0xfffffffc;
- case 2:
- retval = address & 0xfffffffe;
- case 1:
- retval = address;
- }
-
- return retval + bank->base;
-}
-
-
-int ecosflash_erase(struct flash_bank_s *bank, int first, int last)
-{
- struct flash_bank_s *c=bank;
- ecosflash_flash_bank_t *info = bank->driver_priv;
- return eCosBoard_erase(info, c->base+first*sectorSize, sectorSize*(last-first+1));
-}
-
-int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last)
-{
- return ERROR_OK;
-}
-
-
-int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
-{
- ecosflash_flash_bank_t *info = bank->driver_priv;
- struct flash_bank_s *c=bank;
- return eCosBoard_flash(info, buffer, c->base+offset, count);
-}
-
-
-int ecosflash_erase_check(struct flash_bank_s *bank)
-{
- return ERROR_OK;
-}
-
-int ecosflash_protect_check(struct flash_bank_s *bank)
-{
- return ERROR_OK;
-}
-
-int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size)
-{
- ecosflash_flash_bank_t *info = bank->driver_priv;
- snprintf(buf, buf_size, "eCos flash driver: %s", info->driverPath);
- return ERROR_OK;
-}
-
-
-u32 ecosflash_get_flash_status(flash_bank_t *bank)
-{
- return ERROR_OK;
-}
-
-void ecosflash_set_flash_mode(flash_bank_t *bank,int mode)
-{
-
-}
-
-u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout)
-{
- return ERROR_OK;
-}
-
-int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- return ERROR_OK;
-}
-
-
-
-
+/***************************************************************************
+ * Copyright (C) 2007,2008 Ãyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
+ * 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 "flash.h"
+#include "embeddedice.h"
+#include "image.h"
+
+
+#if 0
+static uint32_t ecosflash_get_flash_status(flash_bank_t *bank);
+static void ecosflash_set_flash_mode(flash_bank_t *bank,int mode);
+static uint32_t ecosflash_wait_status_busy(flash_bank_t *bank, uint32_t waitbits, int timeout);
+static int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+#endif
+
+struct ecosflash_flash_bank
+{
+ struct target_s *target;
+ working_area_t *write_algorithm;
+ working_area_t *erase_check_algorithm;
+ char *driverPath;
+ uint32_t start_address;
+};
+
+static const int sectorSize = 0x10000;
+
+char *
+flash_errmsg(int err);
+
+#ifndef __ECOS
+#define FLASH_ERR_OK 0x00 /* No error - operation complete */
+#define FLASH_ERR_INVALID 0x01 /* Invalid FLASH address */
+#define FLASH_ERR_ERASE 0x02 /* Error trying to erase */
+#define FLASH_ERR_LOCK 0x03 /* Error trying to lock/unlock */
+#define FLASH_ERR_PROGRAM 0x04 /* Error trying to program */
+#define FLASH_ERR_PROTOCOL 0x05 /* Generic error */
+#define FLASH_ERR_PROTECT 0x06 /* Device/region is write-protected */
+#define FLASH_ERR_NOT_INIT 0x07 /* FLASH info not yet initialized */
+#define FLASH_ERR_HWR 0x08 /* Hardware (configuration?) problem */
+#define FLASH_ERR_ERASE_SUSPEND 0x09 /* Device is in erase suspend mode */
+#define FLASH_ERR_PROGRAM_SUSPEND 0x0a /* Device is in in program suspend mode */
+#define FLASH_ERR_DRV_VERIFY 0x0b /* Driver failed to verify data */
+#define FLASH_ERR_DRV_TIMEOUT 0x0c /* Driver timed out waiting for device */
+#define FLASH_ERR_DRV_WRONG_PART 0x0d /* Driver does not support device */
+#define FLASH_ERR_LOW_VOLTAGE 0x0e /* Not enough juice to complete job */
+
+char *
+flash_errmsg(int err)
+{
+ switch (err) {
+ case FLASH_ERR_OK:
+ return "No error - operation complete";
+ case FLASH_ERR_ERASE_SUSPEND:
+ return "Device is in erase suspend state";
+ case FLASH_ERR_PROGRAM_SUSPEND:
+ return "Device is in program suspend state";
+ case FLASH_ERR_INVALID:
+ return "Invalid FLASH address";
+ case FLASH_ERR_ERASE:
+ return "Error trying to erase";
+ case FLASH_ERR_LOCK:
+ return "Error trying to lock/unlock";
+ case FLASH_ERR_PROGRAM:
+ return "Error trying to program";
+ case FLASH_ERR_PROTOCOL:
+ return "Generic error";
+ case FLASH_ERR_PROTECT:
+ return "Device/region is write-protected";
+ case FLASH_ERR_NOT_INIT:
+ return "FLASH sub-system not initialized";
+ case FLASH_ERR_DRV_VERIFY:
+ return "Data verify failed after operation";
+ case FLASH_ERR_DRV_TIMEOUT:
+ return "Driver timed out waiting for device";
+ case FLASH_ERR_DRV_WRONG_PART:
+ return "Driver does not support device";
+ case FLASH_ERR_LOW_VOLTAGE:
+ return "Device reports low voltage";
+ default:
+ return "Unknown error";
+ }
+}
+#endif
+
+/* flash bank ecosflash
+ */
+FLASH_BANK_COMMAND_HANDLER(ecosflash_flash_bank_command)
+{
+ struct ecosflash_flash_bank *info;
+
+ if (argc < 7)
+ {
+ LOG_WARNING("incomplete flash_bank ecosflash configuration");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ info = malloc(sizeof(struct ecosflash_flash_bank));
+ if (info == NULL)
+ {
+ LOG_ERROR("no memory for flash bank info");
+ exit(-1);
+ }
+ bank->driver_priv = info;
+ info->driverPath = strdup(args[6]);
+
+ /* eCos flash sector sizes are not exposed to OpenOCD, use 0x10000 as
+ * a way to improve impedance match between OpenOCD and eCos flash
+ * driver.
+ */
+ int i = 0;
+ uint32_t offset = 0;
+ bank->num_sectors = bank->size/sectorSize;
+ bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = sectorSize;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 0;
+ }
+
+ info->target = get_target(args[5]);
+ if (info->target == NULL)
+ {
+ LOG_ERROR("target '%s' not defined", args[5]);
+ return ERROR_FAIL;
+ }
+ return ERROR_OK;
+}
+
+static int loadDriver(struct ecosflash_flash_bank *info)
+{
+ uint32_t buf_cnt;
+ uint32_t image_size;
+ image_t image;
+
+ image.base_address_set = 0;
+ image.start_address_set = 0;
+ target_t *target = info->target;
+ int retval;
+
+ if ((retval = image_open(&image, info->driverPath, NULL)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ info->start_address = image.start_address;
+
+ image_size = 0x0;
+ int i;
+ for (i = 0; i < image.num_sections; i++)
+ {
+ void *buffer = malloc(image.sections[i].size);
+ int retval;
+ if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
+ {
+ free(buffer);
+ image_close(&image);
+ return retval;
+ }
+ target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
+ image_size += buf_cnt;
+ LOG_DEBUG("%" PRIu32 " byte written at address 0x%8.8" PRIx32 "", buf_cnt, image.sections[i].base_address);
+
+ free(buffer);
+ }
+
+ image_close(&image);
+
+ return ERROR_OK;
+}
+
+static int const OFFSET_ERASE = 0x0;
+static int const OFFSET_ERASE_SIZE = 0x8;
+static int const OFFSET_FLASH = 0xc;
+static int const OFFSET_FLASH_SIZE = 0x8;
+static int const OFFSET_GET_WORKAREA = 0x18;
+static int const OFFSET_GET_WORKAREA_SIZE = 0x4;
+
+static int runCode(struct ecosflash_flash_bank *info,
+ uint32_t codeStart, uint32_t codeStop, uint32_t r0, uint32_t r1, uint32_t r2,
+ uint32_t *result,
+ /* timeout in ms */
+ int timeout)
+{
+ target_t *target = info->target;
+
+ reg_param_t reg_params[3];
+ armv4_5_algorithm_t armv4_5_info;
+ armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
+ armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
+ armv4_5_info.core_state = ARMV4_5_STATE_ARM;
+
+ init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT);
+ init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
+ init_reg_param(®_params[2], "r2", 32, PARAM_OUT);
+
+ buf_set_u32(reg_params[0].value, 0, 32, r0);
+ buf_set_u32(reg_params[1].value, 0, 32, r1);
+ buf_set_u32(reg_params[2].value, 0, 32, r2);
+
+ int retval;
+ if ((retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
+ codeStart,
+ codeStop, timeout,
+ &armv4_5_info)) != ERROR_OK)
+ {
+ LOG_ERROR("error executing eCos flash algorithm");
+ return retval;
+ }
+
+ *result = buf_get_u32(reg_params[0].value, 0, 32);
+
+ destroy_reg_param(®_params[0]);
+ destroy_reg_param(®_params[1]);
+ destroy_reg_param(®_params[2]);
+
+ return ERROR_OK;
+}
+
+static int eCosBoard_erase(struct ecosflash_flash_bank *info, uint32_t address, uint32_t len)
+{
+ int retval;
+ int timeout = (len / 20480 + 1) * 1000; /*asume 20 KB/s*/
+
+ retval = loadDriver(info);
+ if (retval != ERROR_OK)
+ return retval;
+
+ uint32_t flashErr;
+ retval = runCode(info,
+ info->start_address + OFFSET_ERASE,
+ info->start_address + OFFSET_ERASE + OFFSET_ERASE_SIZE,
+ address,
+ len,
+ 0,
+ &flashErr,
+ timeout
+);
+ if (retval != ERROR_OK)
+ return retval;
+
+ if (flashErr != 0x0)
+ {
+ LOG_ERROR("Flash erase failed with %d (%s)\n", (int)flashErr, flash_errmsg(flashErr));
+ return ERROR_FAIL;
+ }
+
+ return ERROR_OK;
+}
+
+static int eCosBoard_flash(struct ecosflash_flash_bank *info, void *data, uint32_t address, uint32_t len)
+{
+ target_t *target = info->target;
+ const int chunk = 8192;
+ int retval = ERROR_OK;
+ int timeout = (chunk / 20480 + 1) * 1000; /*asume 20 KB/s + 1 second*/
+
+ retval = loadDriver(info);
+ if (retval != ERROR_OK)
+ return retval;
+
+ uint32_t buffer;
+ retval = runCode(info,
+ info->start_address + OFFSET_GET_WORKAREA,
+ info->start_address + OFFSET_GET_WORKAREA + OFFSET_GET_WORKAREA_SIZE,
+ 0,
+ 0,
+ 0,
+ &buffer,
+ 1000);
+ if (retval != ERROR_OK)
+ return retval;
+
+
+ uint32_t i;
+ for (i = 0; i < len; i += chunk)
+ {
+ int t = len-i;
+ if (t > chunk)
+ {
+ t = chunk;
+ }
+
+ int retval;
+ retval = target_write_buffer(target, buffer, t, ((uint8_t *)data) + i);
+ if (retval != ERROR_OK)
+ return retval;
+
+ uint32_t flashErr;
+ retval = runCode(info,
+ info->start_address + OFFSET_FLASH,
+ info->start_address + OFFSET_FLASH + OFFSET_FLASH_SIZE,
+ buffer,
+ address + i,
+ t,
+ &flashErr,
+ timeout);
+ if (retval != ERROR_OK)
+ return retval;
+
+ if (flashErr != 0x0)
+ {
+ LOG_ERROR("Flash prog failed with %d (%s)\n", (int)flashErr, flash_errmsg(flashErr));
+ return ERROR_FAIL;
+ }
+ }
+ return ERROR_OK;
+}
+
+static int ecosflash_probe(struct flash_bank_s *bank)
+{
+ return ERROR_OK;
+}
+
+static int ecosflash_register_commands(struct command_context_s *cmd_ctx)
+{
+ register_command(cmd_ctx, NULL, "ecosflash", NULL, COMMAND_ANY, NULL);
+
+ return ERROR_OK;
+}
+
+#if 0
+static void command(flash_bank_t *bank, uint8_t cmd, uint8_t *cmd_buf)
+{
+ struct ecosflash_flash_bank *info = bank->driver_priv;
+ int i;
+
+ if (info->target->endianness == TARGET_LITTLE_ENDIAN)
+ {
+ for (i = bank->bus_width; i > 0; i--)
+ {
+ *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
+ }
+ }
+ else
+ {
+ for (i = 1; i <= bank->bus_width; i++)
+ {
+ *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
+ }
+ }
+}
+#endif
+
+#if 0
+static uint32_t ecosflash_address(struct flash_bank_s *bank, uint32_t address)
+{
+ uint32_t retval = 0;
+ switch (bank->bus_width)
+ {
+ case 4:
+ retval = address & 0xfffffffc;
+ case 2:
+ retval = address & 0xfffffffe;
+ case 1:
+ retval = address;
+ }
+
+ return retval + bank->base;
+}
+#endif
+
+static int ecosflash_erase(struct flash_bank_s *bank, int first, int last)
+{
+ struct flash_bank_s *c = bank;
+ struct ecosflash_flash_bank *info = bank->driver_priv;
+ return eCosBoard_erase(info, c->base + first*sectorSize, sectorSize*(last-first + 1));
+}
+
+static int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last)
+{
+ return ERROR_OK;
+}
+
+static int ecosflash_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+{
+ struct ecosflash_flash_bank *info = bank->driver_priv;
+ struct flash_bank_s *c = bank;
+ return eCosBoard_flash(info, buffer, c->base + offset, count);
+}
+
+static int ecosflash_protect_check(struct flash_bank_s *bank)
+{
+ return ERROR_OK;
+}
+
+static int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size)
+{
+ struct ecosflash_flash_bank *info = bank->driver_priv;
+ snprintf(buf, buf_size, "eCos flash driver: %s", info->driverPath);
+ return ERROR_OK;
+}
+
+#if 0
+static uint32_t ecosflash_get_flash_status(flash_bank_t *bank)
+{
+ return ERROR_OK;
+}
+
+static void ecosflash_set_flash_mode(flash_bank_t *bank,int mode)
+{
+
+}
+
+static uint32_t ecosflash_wait_status_busy(flash_bank_t *bank, uint32_t waitbits, int timeout)
+{
+ return ERROR_OK;
+}
+
+static int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ return ERROR_OK;
+}
+#endif
+
+struct flash_driver ecosflash_flash = {
+ .name = "ecosflash",
+ .register_commands = &ecosflash_register_commands,
+ .flash_bank_command = &ecosflash_flash_bank_command,
+ .erase = &ecosflash_erase,
+ .protect = &ecosflash_protect,
+ .write = &ecosflash_write,
+ .probe = &ecosflash_probe,
+ .auto_probe = &ecosflash_probe,
+ .erase_check = &default_flash_blank_check,
+ .protect_check = &ecosflash_protect_check,
+ .info = &ecosflash_info
+ };