-/***************************************************************************\r
- * Copyright (C) 2008 Øyvind Harboe *\r
- * oyvind.harboe@zylin.com *\r
- * *\r
- * This program is free software; you can redistribute it and/or modify *\r
- * it under the terms of the GNU General Public License as published by *\r
- * the Free Software Foundation; either version 2 of the License, or *\r
- * (at your option) any later version. *\r
- * *\r
- * This program is distributed in the hope that it will be useful, *\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r
- * GNU General Public License for more details. *\r
- * *\r
- * You should have received a copy of the GNU General Public License *\r
- * along with this program; if not, write to the *\r
- * Free Software Foundation, Inc., *\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *\r
- ***************************************************************************/\r
-#ifdef HAVE_CONFIG_H\r
-#include "config.h"\r
-#endif\r
-\r
-#include "replacements.h"\r
-\r
-\r
-#include "flash.h"\r
-\r
-#include "target.h"\r
-\r
-#include "flash.h"\r
-#include "target.h"\r
-#include "log.h"\r
-#include "binarybuffer.h"\r
-#include "../target/embeddedice.h"\r
-#include "types.h"\r
-\r
-\r
-\r
-int ecosflash_register_commands(struct command_context_s *cmd_ctx);\r
-int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);\r
-int ecosflash_erase(struct flash_bank_s *bank, int first, int last);\r
-int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last);\r
-int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);\r
-int ecosflash_probe(struct flash_bank_s *bank);\r
-int ecosflash_erase_check(struct flash_bank_s *bank);\r
-int ecosflash_protect_check(struct flash_bank_s *bank);\r
-int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size);\r
-\r
-u32 ecosflash_get_flash_status(flash_bank_t *bank);\r
-void ecosflash_set_flash_mode(flash_bank_t *bank,int mode);\r
-u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout);\r
-int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-\r
-flash_driver_t ecosflash_flash =\r
-{\r
- .name = "ecosflash",\r
- .register_commands = ecosflash_register_commands,\r
- .flash_bank_command = ecosflash_flash_bank_command,\r
- .erase = ecosflash_erase,\r
- .protect = ecosflash_protect,\r
- .write = ecosflash_write,\r
- .probe = ecosflash_probe,\r
- .auto_probe = ecosflash_probe,\r
- .erase_check = ecosflash_erase_check,\r
- .protect_check = ecosflash_protect_check,\r
- .info = ecosflash_info\r
-};\r
-\r
-typedef struct ecosflash_flash_bank_s\r
-{\r
- struct target_s *target;\r
- working_area_t *write_algorithm;\r
- working_area_t *erase_check_algorithm;\r
- char *driverPath;\r
- u32 start_address;\r
-} ecosflash_flash_bank_t;\r
-\r
-static const int sectorSize=0x10000;\r
-\r
-char *\r
-flash_errmsg(int err);\r
-\r
-#ifndef __ECOS\r
-#define FLASH_ERR_OK 0x00 // No error - operation complete\r
-#define FLASH_ERR_INVALID 0x01 // Invalid FLASH address\r
-#define FLASH_ERR_ERASE 0x02 // Error trying to erase\r
-#define FLASH_ERR_LOCK 0x03 // Error trying to lock/unlock\r
-#define FLASH_ERR_PROGRAM 0x04 // Error trying to program\r
-#define FLASH_ERR_PROTOCOL 0x05 // Generic error\r
-#define FLASH_ERR_PROTECT 0x06 // Device/region is write-protected\r
-#define FLASH_ERR_NOT_INIT 0x07 // FLASH info not yet initialized\r
-#define FLASH_ERR_HWR 0x08 // Hardware (configuration?) problem\r
-#define FLASH_ERR_ERASE_SUSPEND 0x09 // Device is in erase suspend mode\r
-#define FLASH_ERR_PROGRAM_SUSPEND 0x0a // Device is in in program suspend mode\r
-#define FLASH_ERR_DRV_VERIFY 0x0b // Driver failed to verify data\r
-#define FLASH_ERR_DRV_TIMEOUT 0x0c // Driver timed out waiting for device\r
-#define FLASH_ERR_DRV_WRONG_PART 0x0d // Driver does not support device\r
-#define FLASH_ERR_LOW_VOLTAGE 0x0e // Not enough juice to complete job\r
-\r
-\r
-char *\r
-flash_errmsg(int err)\r
-{\r
- switch (err) {\r
- case FLASH_ERR_OK:\r
- return "No error - operation complete";\r
- case FLASH_ERR_ERASE_SUSPEND:\r
- return "Device is in erase suspend state";\r
- case FLASH_ERR_PROGRAM_SUSPEND:\r
- return "Device is in program suspend state";\r
- case FLASH_ERR_INVALID:\r
- return "Invalid FLASH address";\r
- case FLASH_ERR_ERASE:\r
- return "Error trying to erase";\r
- case FLASH_ERR_LOCK:\r
- return "Error trying to lock/unlock";\r
- case FLASH_ERR_PROGRAM:\r
- return "Error trying to program";\r
- case FLASH_ERR_PROTOCOL:\r
- return "Generic error";\r
- case FLASH_ERR_PROTECT:\r
- return "Device/region is write-protected";\r
- case FLASH_ERR_NOT_INIT:\r
- return "FLASH sub-system not initialized";\r
- case FLASH_ERR_DRV_VERIFY:\r
- return "Data verify failed after operation";\r
- case FLASH_ERR_DRV_TIMEOUT:\r
- return "Driver timed out waiting for device";\r
- case FLASH_ERR_DRV_WRONG_PART:\r
- return "Driver does not support device";\r
- case FLASH_ERR_LOW_VOLTAGE:\r
- return "Device reports low voltage";\r
- default:\r
- return "Unknown error";\r
- }\r
-}\r
-#endif\r
-\r
-/* flash bank ecosflash <base> <size> <chip_width> <bus_width> <target#> <driverPath>\r
- */\r
-int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)\r
-{\r
- ecosflash_flash_bank_t *info;\r
- \r
- if (argc < 7)\r
- {\r
- WARNING("incomplete flash_bank ecosflash configuration");\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
- \r
- info = malloc(sizeof(ecosflash_flash_bank_t));\r
- if(info == NULL)\r
- {\r
- ERROR("no memory for flash bank info");\r
- exit(-1);\r
- }\r
- bank->driver_priv = info;\r
- info->driverPath=strdup(args[6]);\r
-\r
- // eCos flash sector sizes are not exposed to OpenOCD, use 0x10000 as \r
- // a way to improve impeadance matach between OpenOCD and eCos flash\r
- // driver\r
- int i = 0;\r
- u32 offset = 0;\r
- bank->num_sectors=bank->size/sectorSize;\r
- bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);\r
- for (i = 0; i < bank->num_sectors; i++)\r
- {\r
- bank->sectors[i].offset = offset;\r
- bank->sectors[i].size = sectorSize;\r
- offset += bank->sectors[i].size;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = 0;\r
- }\r
- \r
- info->target = get_target_by_num(strtoul(args[5], NULL, 0));\r
- if (info->target == NULL)\r
- {\r
- ERROR("no target '%i' configured", (int)strtoul(args[5], NULL, 0));\r
- exit(-1);\r
- }\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int loadDriver(ecosflash_flash_bank_t *info)\r
-{\r
- u32 buf_cnt;\r
- u32 image_size;\r
- image_t image; \r
- \r
- image.base_address_set = 0;\r
- image.start_address_set = 0;\r
- target_t *target=info->target;\r
- \r
- if (image_open(&image, info->driverPath, NULL) != ERROR_OK)\r
- {\r
- ERROR("load_image error: %s", image.error_str);\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
- \r
- info->start_address=image.start_address;\r
- \r
- image_size = 0x0;\r
- int i;\r
- for (i = 0; i < image.num_sections; i++)\r
- {\r
- void *buffer = malloc(image.sections[i].size);\r
- int retval;\r
- if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)\r
- {\r
- ERROR("image_read_section failed with error code: %i", retval);\r
- free(buffer);\r
- image_close(&image);\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
- target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);\r
- image_size += buf_cnt;\r
- DEBUG("%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);\r
- \r
- free(buffer);\r
- }\r
-\r
- image_close(&image);\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-static int const OFFSET_ERASE=0x0;\r
-static int const OFFSET_ERASE_SIZE=0x8;\r
-static int const OFFSET_FLASH=0xc;\r
-static int const OFFSET_FLASH_SIZE=0x8;\r
-static int const OFFSET_GET_WORKAREA=0x18;\r
-static int const OFFSET_GET_WORKAREA_SIZE=0x4;\r
-\r
-\r
-int runCode(ecosflash_flash_bank_t *info, \r
- u32 codeStart, u32 codeStop, u32 r0, u32 r1, u32 r2, \r
- u32 *result,\r
- // timeout in ms\r
- int timeout)\r
-{\r
- target_t *target=info->target;\r
-\r
- reg_param_t reg_params[3];\r
- armv4_5_algorithm_t armv4_5_info;\r
- armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;\r
- armv4_5_info.core_mode = ARMV4_5_MODE_SVC;\r
- armv4_5_info.core_state = ARMV4_5_STATE_ARM;\r
- \r
- init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT);\r
- init_reg_param(®_params[1], "r1", 32, PARAM_OUT);\r
- init_reg_param(®_params[2], "r2", 32, PARAM_OUT);\r
- \r
- buf_set_u32(reg_params[0].value, 0, 32, r0);\r
- buf_set_u32(reg_params[1].value, 0, 32, r1);\r
- buf_set_u32(reg_params[2].value, 0, 32, r2);\r
- \r
- int retval;\r
- if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params,\r
- codeStart,\r
- codeStop, timeout, \r
- &armv4_5_info)) != ERROR_OK)\r
- {\r
- ERROR("error executing eCos flash algorithm");\r
- return retval;\r
- }\r
- \r
- *result=buf_get_u32(reg_params[0].value, 0, 32);\r
- \r
- destroy_reg_param(®_params[0]);\r
- destroy_reg_param(®_params[1]);\r
- destroy_reg_param(®_params[2]);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int eCosBoard_erase(ecosflash_flash_bank_t *info, u32 address, u32 len)\r
-{\r
- int retval;\r
- int timeout = (len / 20480 + 1) * 1000; /*asume 20 KB/s*/ \r
-\r
- retval=loadDriver(info);\r
- if (retval!=ERROR_OK)\r
- return retval;\r
- \r
- u32 flashErr;\r
- retval=runCode(info, \r
- info->start_address+OFFSET_ERASE,\r
- info->start_address+OFFSET_ERASE+OFFSET_ERASE_SIZE,\r
- address,\r
- len,\r
- 0,\r
- &flashErr,\r
- timeout\r
- );\r
- if (retval!=ERROR_OK)\r
- return retval;\r
- \r
- if (flashErr != 0x0)\r
- {\r
- ERROR("Flash erase failed with %d (%s)\n", flashErr, flash_errmsg(flashErr));\r
- return ERROR_JTAG_DEVICE_ERROR;\r
- }\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-int eCosBoard_flash(ecosflash_flash_bank_t *info, void *data, u32 address, u32 len)\r
-{\r
- target_t *target=info->target;\r
- const int chunk=8192;\r
- int retval=ERROR_OK;\r
- int timeout = (chunk / 20480 + 1) * 1000; /*asume 20 KB/s + 1 second*/\r
- \r
- retval=loadDriver(info);\r
- if (retval!=ERROR_OK)\r
- return retval;\r
- \r
- u32 buffer;\r
- retval=runCode(info, \r
- info->start_address+OFFSET_GET_WORKAREA,\r
- info->start_address+OFFSET_GET_WORKAREA+OFFSET_GET_WORKAREA_SIZE,\r
- 0,\r
- 0,\r
- 0,\r
- &buffer,\r
- 1000);\r
- if (retval!=ERROR_OK)\r
- return retval;\r
- \r
- \r
- int i;\r
- for (i=0; i<len; i+=chunk)\r
- {\r
- int t=len-i;\r
- if (t>chunk)\r
- {\r
- t=chunk;\r
- }\r
- \r
- int retval;\r
- retval=target_write_buffer(target, buffer, t, ((char *)data)+i);\r
- if (retval != ERROR_OK)\r
- return retval;\r
- \r
- u32 flashErr;\r
- retval=runCode(info, \r
- info->start_address+OFFSET_FLASH,\r
- info->start_address+OFFSET_FLASH+OFFSET_FLASH_SIZE,\r
- buffer,\r
- address+i,\r
- t,\r
- &flashErr,\r
- timeout);\r
- if (retval != ERROR_OK)\r
- return retval;\r
-\r
- if (flashErr != 0x0)\r
- {\r
- ERROR("Flash prog failed with %d (%s)\n", flashErr, flash_errmsg(flashErr));\r
- return ERROR_JTAG_DEVICE_ERROR;\r
- }\r
- }\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ecosflash_probe(struct flash_bank_s *bank)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ecosflash_register_commands(struct command_context_s *cmd_ctx)\r
-{\r
- register_command(cmd_ctx, NULL, "ecosflash", NULL, COMMAND_ANY, NULL);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-/*\r
-static void command(flash_bank_t *bank, u8 cmd, u8 *cmd_buf)\r
-{\r
- ecosflash_flash_bank_t *info = bank->driver_priv;\r
- int i;\r
- \r
- if (info->target->endianness == TARGET_LITTLE_ENDIAN)\r
- {\r
- for (i = bank->bus_width; i > 0; i--)\r
- {\r
- *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;\r
- }\r
- }\r
- else\r
- {\r
- for (i = 1; i <= bank->bus_width; i++)\r
- {\r
- *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;\r
- }\r
- }\r
-}\r
-*/\r
-\r
-u32 ecosflash_address(struct flash_bank_s *bank, u32 address)\r
-{\r
- u32 retval = 0;\r
- switch(bank->bus_width)\r
- {\r
- case 4:\r
- retval = address & 0xfffffffc;\r
- case 2:\r
- retval = address & 0xfffffffe;\r
- case 1:\r
- retval = address;\r
- }\r
- \r
- return retval + bank->base;\r
-} \r
-\r
-\r
-int ecosflash_erase(struct flash_bank_s *bank, int first, int last)\r
-{\r
- struct flash_bank_s *c=bank;\r
- ecosflash_flash_bank_t *info = bank->driver_priv;\r
- return eCosBoard_erase(info, c->base+first*sectorSize, sectorSize*(last-first+1)); \r
-}\r
-\r
-int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)\r
-{\r
- ecosflash_flash_bank_t *info = bank->driver_priv;\r
- struct flash_bank_s *c=bank;\r
- return eCosBoard_flash(info, buffer, c->base+offset, count);\r
-}\r
-\r
-\r
-int ecosflash_erase_check(struct flash_bank_s *bank)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-int ecosflash_protect_check(struct flash_bank_s *bank)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size)\r
-{\r
- ecosflash_flash_bank_t *info = bank->driver_priv;\r
- snprintf(buf, buf_size, "eCos flash driver: %s", info->driverPath);\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-u32 ecosflash_get_flash_status(flash_bank_t *bank)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-void ecosflash_set_flash_mode(flash_bank_t *bank,int mode)\r
-{\r
- \r
-}\r
-\r
-u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-\r
-\r
+/***************************************************************************
+ * 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 <base> <size> <chip_width> <bus_width> <target#> <driverPath>
+ */
+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; i<len; i+=chunk)
+ {
+ int t=len-i;
+ if (t>chunk)
+ {
+ 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;
+}
+
+
+
+
Code Review / openocd.git / blobdiff