summaryrefslogtreecommitdiff
path: root/src/flash/ecos.c
diff options
context:
space:
mode:
authorZachary T Welch <zw@superlucidity.net>2009-12-02 15:54:15 -0800
committerZachary T Welch <zw@superlucidity.net>2009-12-02 23:27:09 -0800
commitfe9228a32db930be297d4d3b35ffb94d6de1b9ab (patch)
treee71036506392e40715c992fc54346ebb8c179416 /src/flash/ecos.c
parente1ec02bb055fa356b058dddc0a15710e0fdc9870 (diff)
downloadopenocd+libswd-fe9228a32db930be297d4d3b35ffb94d6de1b9ab.tar.gz
openocd+libswd-fe9228a32db930be297d4d3b35ffb94d6de1b9ab.tar.bz2
openocd+libswd-fe9228a32db930be297d4d3b35ffb94d6de1b9ab.tar.xz
openocd+libswd-fe9228a32db930be297d4d3b35ffb94d6de1b9ab.zip
move nor drivers to src/flash/nor
Moves NOR flash drivers to 'src/flash/nor/'. Adds 'src/flash/nor/Makefile.am'. Builds 'libocdflashnor.la'.
Diffstat (limited to 'src/flash/ecos.c')
-rw-r--r--src/flash/ecos.c444
1 files changed, 0 insertions, 444 deletions
diff --git a/src/flash/ecos.c b/src/flash/ecos.c
deleted file mode 100644
index 7a0b26f3..00000000
--- a/src/flash/ecos.c
+++ /dev/null
@@ -1,444 +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 "flash.h"
-#include "embeddedice.h"
-#include "image.h"
-#include "algorithm.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)
- {
- 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(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;
-
- 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("%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 = 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)
-{
- struct target *target = info->target;
-
- struct reg_param reg_params[3];
- struct armv4_5_algorithm 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(&reg_params[0], "r0", 32, PARAM_IN_OUT);
- init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
- init_reg_param(&reg_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(&reg_params[0]);
- destroy_reg_param(&reg_params[1]);
- destroy_reg_param(&reg_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)
-{
- 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;
- }
-
- 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 *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,
- .probe = &ecosflash_probe,
- .auto_probe = &ecosflash_probe,
- .erase_check = &default_flash_blank_check,
- .protect_check = &ecosflash_protect_check,
- .info = &ecosflash_info
- };