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Diffstat (limited to 'src/flash/nor/ecos.c')
-rw-r--r-- | src/flash/nor/ecos.c | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/src/flash/nor/ecos.c b/src/flash/nor/ecos.c deleted file mode 100644 index c7458596..00000000 --- a/src/flash/nor/ecos.c +++ /dev/null @@ -1,425 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2007,2008 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 "imp.h" -#include <target/embeddedice.h> -#include <target/algorithm.h> -#include <target/image.h> - -#if 0 -static uint32_t ecosflash_get_flash_status(struct flash_bank *bank); -static void ecosflash_set_flash_mode(struct flash_bank *bank, int mode); -static uint32_t ecosflash_wait_status_busy(struct flash_bank *bank, uint32_t waitbits, int timeout); -static int ecosflash_handle_gpnvm_command(struct command_context *cmd_ctx, - char *cmd, char **args, int argc); -#endif - -struct ecosflash_flash_bank { - struct target *target; - struct working_area *write_algorithm; - struct working_area *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 <base> <size> <chip_width> <bus_width> <target#> <driverPath> - */ -FLASH_BANK_COMMAND_HANDLER(ecosflash_flash_bank_command) -{ - struct ecosflash_flash_bank *info; - - if (CMD_ARGC < 7) - return ERROR_COMMAND_SYNTAX_ERROR; - - 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(CMD_ARGV[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(CMD_ARGV[5]); - if (info->target == NULL) { - LOG_ERROR("target '%s' not defined", CMD_ARGV[5]); - return ERROR_FAIL; - } - return ERROR_OK; -} - -static int loadDriver(struct ecosflash_flash_bank *info) -{ - size_t buf_cnt; - size_t image_size; - struct image image; - - image.base_address_set = 0; - image.start_address_set = 0; - struct target *target = info->target; - int retval; - - retval = image_open(&image, info->driverPath, NULL); - if (retval != 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); - retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt); - if (retval != 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("%zu bytes 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; -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) -{ - struct target *target = info->target; - - struct reg_param reg_params[3]; - struct arm_algorithm armv4_5_info; - armv4_5_info.common_magic = ARM_COMMON_MAGIC; - armv4_5_info.core_mode = ARM_MODE_SVC; - armv4_5_info.core_state = ARM_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 = target_run_algorithm(target, 0, NULL, 3, reg_params, - codeStart, codeStop, timeout, &armv4_5_info); - if (retval != 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)", (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) -{ - struct target *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; - - 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)", (int)flashErr, - flash_errmsg(flashErr)); - return ERROR_FAIL; - } - } - return ERROR_OK; -} - -static int ecosflash_probe(struct flash_bank *bank) -{ - return ERROR_OK; -} - -#if 0 -static void command(struct flash_bank *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 *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 *bank, int first, int last) -{ - struct flash_bank *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 *bank, int set, int first, int last) -{ - return ERROR_OK; -} - -static int ecosflash_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, - uint32_t count) -{ - struct ecosflash_flash_bank *info = bank->driver_priv; - struct flash_bank *c = bank; - return eCosBoard_flash(info, buffer, c->base + offset, count); -} - -static int ecosflash_protect_check(struct flash_bank *bank) -{ - return ERROR_OK; -} - -static int ecosflash_info(struct flash_bank *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(struct flash_bank *bank) -{ - return ERROR_OK; -} - -static void ecosflash_set_flash_mode(struct flash_bank *bank, int mode) -{ - -} - -static uint32_t ecosflash_wait_status_busy(struct flash_bank *bank, uint32_t waitbits, int timeout) -{ - return ERROR_OK; -} - -static int ecosflash_handle_gpnvm_command(struct command_context *cmd_ctx, - char *cmd, - char **args, - int argc) -{ - return ERROR_OK; -} -#endif - -struct flash_driver ecosflash_flash = { - .name = "ecosflash", - .flash_bank_command = ecosflash_flash_bank_command, - .erase = ecosflash_erase, - .protect = ecosflash_protect, - .write = ecosflash_write, - .read = default_flash_read, - .probe = ecosflash_probe, - .auto_probe = ecosflash_probe, - .erase_check = default_flash_blank_check, - .protect_check = ecosflash_protect_check, - .info = ecosflash_info -}; |