-/***************************************************************************
- * Copyright (C) 2007 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * partially based on *
- * drivers/mtd/nand_ids.c *
- * *
- * Copyright (C) 2002 Thomas Gleixner (tglx@linutronix.de) *
- * *
- * 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 "log.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-
-#include <errno.h>
-
-#include "nand.h"
-#include "flash.h"
-#include "time_support.h"
-#include "fileio.h"
-#include "image.h"
-
-int nand_register_commands(struct command_context_s *cmd_ctx);
-int handle_nand_list_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_nand_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_nand_check_bad_blocks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_nand_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_nand_copy_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_nand_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_nand_dump_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_nand_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-int handle_nand_raw_access_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-int nand_read_page_raw(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size);
-int nand_read_page(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size);
-int nand_read_plain(struct nand_device_s *device, u32 address, u8 *data, u32 data_size);
-
-int nand_write_page_raw(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size);
-int nand_write_page(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size);
-
-/* NAND flash controller
- */
-extern nand_flash_controller_t lpc3180_nand_controller;
-extern nand_flash_controller_t s3c2410_nand_controller;
-extern nand_flash_controller_t s3c2412_nand_controller;
-extern nand_flash_controller_t s3c2440_nand_controller;
-extern nand_flash_controller_t s3c2443_nand_controller;
-
-/* extern nand_flash_controller_t boundary_scan_nand_controller; */
-
-nand_flash_controller_t *nand_flash_controllers[] =
-{
- &lpc3180_nand_controller,
- &s3c2410_nand_controller,
- &s3c2412_nand_controller,
- &s3c2440_nand_controller,
- &s3c2443_nand_controller,
-/* &boundary_scan_nand_controller, */
- NULL
-};
-
-/* configured NAND devices and NAND Flash command handler */
-nand_device_t *nand_devices = NULL;
-static command_t *nand_cmd;
-
-/* Chip ID list
- *
- * Name, ID code, pagesize, chipsize in MegaByte, eraseblock size,
- * options
- *
- * Pagesize; 0, 256, 512
- * 0 get this information from the extended chip ID
- * 256 256 Byte page size
- * 512 512 Byte page size
- */
-nand_info_t nand_flash_ids[] =
-{
- {"NAND 1MiB 5V 8-bit", 0x6e, 256, 1, 0x1000, 0},
- {"NAND 2MiB 5V 8-bit", 0x64, 256, 2, 0x1000, 0},
- {"NAND 4MiB 5V 8-bit", 0x6b, 512, 4, 0x2000, 0},
- {"NAND 1MiB 3,3V 8-bit", 0xe8, 256, 1, 0x1000, 0},
- {"NAND 1MiB 3,3V 8-bit", 0xec, 256, 1, 0x1000, 0},
- {"NAND 2MiB 3,3V 8-bit", 0xea, 256, 2, 0x1000, 0},
- {"NAND 4MiB 3,3V 8-bit", 0xd5, 512, 4, 0x2000, 0},
- {"NAND 4MiB 3,3V 8-bit", 0xe3, 512, 4, 0x2000, 0},
- {"NAND 4MiB 3,3V 8-bit", 0xe5, 512, 4, 0x2000, 0},
- {"NAND 8MiB 3,3V 8-bit", 0xd6, 512, 8, 0x2000, 0},
-
- {"NAND 8MiB 1,8V 8-bit", 0x39, 512, 8, 0x2000, 0},
- {"NAND 8MiB 3,3V 8-bit", 0xe6, 512, 8, 0x2000, 0},
- {"NAND 8MiB 1,8V 16-bit", 0x49, 512, 8, 0x2000, NAND_BUSWIDTH_16},
- {"NAND 8MiB 3,3V 16-bit", 0x59, 512, 8, 0x2000, NAND_BUSWIDTH_16},
-
- {"NAND 16MiB 1,8V 8-bit", 0x33, 512, 16, 0x4000, 0},
- {"NAND 16MiB 3,3V 8-bit", 0x73, 512, 16, 0x4000, 0},
- {"NAND 16MiB 1,8V 16-bit", 0x43, 512, 16, 0x4000, NAND_BUSWIDTH_16},
- {"NAND 16MiB 3,3V 16-bit", 0x53, 512, 16, 0x4000, NAND_BUSWIDTH_16},
-
- {"NAND 32MiB 1,8V 8-bit", 0x35, 512, 32, 0x4000, 0},
- {"NAND 32MiB 3,3V 8-bit", 0x75, 512, 32, 0x4000, 0},
- {"NAND 32MiB 1,8V 16-bit", 0x45, 512, 32, 0x4000, NAND_BUSWIDTH_16},
- {"NAND 32MiB 3,3V 16-bit", 0x55, 512, 32, 0x4000, NAND_BUSWIDTH_16},
-
- {"NAND 64MiB 1,8V 8-bit", 0x36, 512, 64, 0x4000, 0},
- {"NAND 64MiB 3,3V 8-bit", 0x76, 512, 64, 0x4000, 0},
- {"NAND 64MiB 1,8V 16-bit", 0x46, 512, 64, 0x4000, NAND_BUSWIDTH_16},
- {"NAND 64MiB 3,3V 16-bit", 0x56, 512, 64, 0x4000, NAND_BUSWIDTH_16},
-
- {"NAND 128MiB 1,8V 8-bit", 0x78, 512, 128, 0x4000, 0},
- {"NAND 128MiB 1,8V 8-bit", 0x39, 512, 128, 0x4000, 0},
- {"NAND 128MiB 3,3V 8-bit", 0x79, 512, 128, 0x4000, 0},
- {"NAND 128MiB 1,8V 16-bit", 0x72, 512, 128, 0x4000, NAND_BUSWIDTH_16},
- {"NAND 128MiB 1,8V 16-bit", 0x49, 512, 128, 0x4000, NAND_BUSWIDTH_16},
- {"NAND 128MiB 3,3V 16-bit", 0x74, 512, 128, 0x4000, NAND_BUSWIDTH_16},
- {"NAND 128MiB 3,3V 16-bit", 0x59, 512, 128, 0x4000, NAND_BUSWIDTH_16},
-
- {"NAND 256MiB 3,3V 8-bit", 0x71, 512, 256, 0x4000, 0},
-
- {"NAND 64MiB 1,8V 8-bit", 0xA2, 0, 64, 0, LP_OPTIONS},
- {"NAND 64MiB 3,3V 8-bit", 0xF2, 0, 64, 0, LP_OPTIONS},
- {"NAND 64MiB 1,8V 16-bit", 0xB2, 0, 64, 0, LP_OPTIONS16},
- {"NAND 64MiB 3,3V 16-bit", 0xC2, 0, 64, 0, LP_OPTIONS16},
-
- {"NAND 128MiB 1,8V 8-bit", 0xA1, 0, 128, 0, LP_OPTIONS},
- {"NAND 128MiB 3,3V 8-bit", 0xF1, 0, 128, 0, LP_OPTIONS},
- {"NAND 128MiB 1,8V 16-bit", 0xB1, 0, 128, 0, LP_OPTIONS16},
- {"NAND 128MiB 3,3V 16-bit", 0xC1, 0, 128, 0, LP_OPTIONS16},
-
- {"NAND 256MiB 1,8V 8-bit", 0xAA, 0, 256, 0, LP_OPTIONS},
- {"NAND 256MiB 3,3V 8-bit", 0xDA, 0, 256, 0, LP_OPTIONS},
- {"NAND 256MiB 1,8V 16-bit", 0xBA, 0, 256, 0, LP_OPTIONS16},
- {"NAND 256MiB 3,3V 16-bit", 0xCA, 0, 256, 0, LP_OPTIONS16},
-
- {"NAND 512MiB 1,8V 8-bit", 0xAC, 0, 512, 0, LP_OPTIONS},
- {"NAND 512MiB 3,3V 8-bit", 0xDC, 0, 512, 0, LP_OPTIONS},
- {"NAND 512MiB 1,8V 16-bit", 0xBC, 0, 512, 0, LP_OPTIONS16},
- {"NAND 512MiB 3,3V 16-bit", 0xCC, 0, 512, 0, LP_OPTIONS16},
-
- {"NAND 1GiB 1,8V 8-bit", 0xA3, 0, 1024, 0, LP_OPTIONS},
- {"NAND 1GiB 3,3V 8-bit", 0xD3, 0, 1024, 0, LP_OPTIONS},
- {"NAND 1GiB 1,8V 16-bit", 0xB3, 0, 1024, 0, LP_OPTIONS16},
- {"NAND 1GiB 3,3V 16-bit", 0xC3, 0, 1024, 0, LP_OPTIONS16},
-
- {"NAND 2GiB 1,8V 8-bit", 0xA5, 0, 2048, 0, LP_OPTIONS},
- {"NAND 2GiB 3,3V 8-bit", 0xD5, 0, 2048, 0, LP_OPTIONS},
- {"NAND 2GiB 1,8V 16-bit", 0xB5, 0, 2048, 0, LP_OPTIONS16},
- {"NAND 2GiB 3,3V 16-bit", 0xC5, 0, 2048, 0, LP_OPTIONS16},
-
- {NULL, 0,}
-};
-
-/* Manufacturer ID list
- */
-nand_manufacturer_t nand_manuf_ids[] =
-{
- {0x0, "unknown"},
- {NAND_MFR_TOSHIBA, "Toshiba"},
- {NAND_MFR_SAMSUNG, "Samsung"},
- {NAND_MFR_FUJITSU, "Fujitsu"},
- {NAND_MFR_NATIONAL, "National"},
- {NAND_MFR_RENESAS, "Renesas"},
- {NAND_MFR_STMICRO, "ST Micro"},
- {NAND_MFR_HYNIX, "Hynix"},
- {0x0, NULL},
-};
-
-/* nand device <nand_controller> [controller options]
- */
-int handle_nand_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- int i;
- int retval;
-
- if (argc < 1)
- {
- WARNING("incomplete flash device nand configuration");
- return ERROR_FLASH_BANK_INVALID;
- }
-
- for (i = 0; nand_flash_controllers[i]; i++)
- {
- nand_device_t *p, *c;
-
- if (strcmp(args[0], nand_flash_controllers[i]->name) == 0)
- {
- /* register flash specific commands */
- if (nand_flash_controllers[i]->register_commands(cmd_ctx) != ERROR_OK)
- {
- ERROR("couldn't register '%s' commands", args[0]);
- exit(-1);
- }
-
- c = malloc(sizeof(nand_device_t));
-
- c->controller = nand_flash_controllers[i];
- c->controller_priv = NULL;
- c->manufacturer = NULL;
- c->device = NULL;
- c->bus_width = 0;
- c->address_cycles = 0;
- c->page_size = 0;
- c->use_raw = 0;
- c->next = NULL;
-
- if ((retval = nand_flash_controllers[i]->nand_device_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
- {
- ERROR("'%s' driver rejected nand flash", c->controller->name);
- free(c);
- return ERROR_OK;
- }
-
- /* put NAND device in linked list */
- if (nand_devices)
- {
- /* find last flash device */
- for (p = nand_devices; p && p->next; p = p->next);
- if (p)
- p->next = c;
- }
- else
- {
- nand_devices = c;
- }
-
- return ERROR_OK;
- }
- }
-
- /* no valid NAND controller was found (i.e. the configuration option,
- * didn't match one of the compiled-in controllers)
- */
- ERROR("No valid NAND flash controller found (%s)", args[0]);
- ERROR("compiled-in NAND flash controllers:");
- for (i = 0; nand_flash_controllers[i]; i++)
- {
- ERROR("%i: %s", i, nand_flash_controllers[i]->name);
- }
-
- return ERROR_OK;
-}
-
-int nand_register_commands(struct command_context_s *cmd_ctx)
-{
- nand_cmd = register_command(cmd_ctx, NULL, "nand", NULL, COMMAND_ANY, "NAND specific commands");
-
- register_command(cmd_ctx, nand_cmd, "device", handle_nand_device_command, COMMAND_CONFIG, NULL);
-
- return ERROR_OK;
-}
-
-int nand_init(struct command_context_s *cmd_ctx)
-{
- if (nand_devices)
- {
- register_command(cmd_ctx, nand_cmd, "list", handle_nand_list_command, COMMAND_EXEC,
- "list configured NAND flash devices");
- register_command(cmd_ctx, nand_cmd, "info", handle_nand_info_command, COMMAND_EXEC,
- "print info about NAND flash device <num>");
- register_command(cmd_ctx, nand_cmd, "probe", handle_nand_probe_command, COMMAND_EXEC,
- "identify NAND flash device <num>");
- register_command(cmd_ctx, nand_cmd, "check_bad_blocks", handle_nand_check_bad_blocks_command, COMMAND_EXEC,
- "check NAND flash device <num> for bad blocks [<first> <last>]");
- register_command(cmd_ctx, nand_cmd, "erase", handle_nand_erase_command, COMMAND_EXEC,
- "erase blocks on NAND flash device <num> <first> <last>");
- register_command(cmd_ctx, nand_cmd, "copy", handle_nand_copy_command, COMMAND_EXEC,
- "copy from NAND flash device <num> <offset> <length> <ram-address>");
- register_command(cmd_ctx, nand_cmd, "dump", handle_nand_dump_command, COMMAND_EXEC,
- "dump from NAND flash device <num> <filename> <offset> <size> [options]");
- register_command(cmd_ctx, nand_cmd, "write", handle_nand_write_command, COMMAND_EXEC,
- "write to NAND flash device <num> <filename> <offset> [options]");
- register_command(cmd_ctx, nand_cmd, "raw_access", handle_nand_raw_access_command, COMMAND_EXEC,
- "raw access to NAND flash device <num> ['enable'|'disable']");
- }
-
- return ERROR_OK;
-}
-
-nand_device_t *get_nand_device_by_num(int num)
-{
- nand_device_t *p;
- int i = 0;
-
- for (p = nand_devices; p; p = p->next)
- {
- if (i++ == num)
- {
- return p;
- }
- }
-
- return NULL;
-}
-
-int nand_build_bbt(struct nand_device_s *device, int first, int last)
-{
- u32 page = 0x0;
- int i;
- u8 *oob;
-
- oob = malloc(6);
-
- if ((first < 0) || (first >= device->num_blocks))
- first = 0;
-
- if ((last >= device->num_blocks) || (last == -1))
- last = device->num_blocks - 1;
-
- for (i = first; i < last; i++)
- {
- nand_read_page(device, page, NULL, 0, oob, 6);
-
- if (((device->device->options & NAND_BUSWIDTH_16) && ((oob[0] & oob[1]) != 0xff))
- || (((device->page_size == 512) && (oob[5] != 0xff)) ||
- ((device->page_size == 2048) && (oob[0] != 0xff))))
- {
- WARNING("invalid block: %i", i);
- device->blocks[i].is_bad = 1;
- }
- else
- {
- device->blocks[i].is_bad = 0;
- }
-
- page += (device->erase_size / device->page_size);
- }
-
- return ERROR_OK;
-}
-
-int nand_read_status(struct nand_device_s *device, u8 *status)
-{
- if (!device->device)
- return ERROR_NAND_DEVICE_NOT_PROBED;
-
- /* Send read status command */
- device->controller->command(device, NAND_CMD_STATUS);
-
- usleep(1000);
-
- /* read status */
- if (device->device->options & NAND_BUSWIDTH_16)
- {
- u16 data;
- device->controller->read_data(device, &data);
- *status = data & 0xff;
- }
- else
- {
- device->controller->read_data(device, status);
- }
-
- return ERROR_OK;
-}
-
-int nand_probe(struct nand_device_s *device)
-{
- u8 manufacturer_id, device_id;
- u8 id_buff[5];
- int retval;
- int i;
-
- /* clear device data */
- device->device = NULL;
- device->manufacturer = NULL;
-
- /* clear device parameters */
- device->bus_width = 0;
- device->address_cycles = 0;
- device->page_size = 0;
- device->erase_size = 0;
-
- /* initialize controller (device parameters are zero, use controller default) */
- if ((retval = device->controller->init(device) != ERROR_OK))
- {
- switch (retval)
- {
- case ERROR_NAND_OPERATION_FAILED:
- DEBUG("controller initialization failed");
- return ERROR_NAND_OPERATION_FAILED;
- case ERROR_NAND_OPERATION_NOT_SUPPORTED:
- ERROR("BUG: controller reported that it doesn't support default parameters");
- return ERROR_NAND_OPERATION_FAILED;
- default:
- ERROR("BUG: unknown controller initialization failure");
- return ERROR_NAND_OPERATION_FAILED;
- }
- }
-
- device->controller->command(device, NAND_CMD_RESET);
- device->controller->reset(device);
-
- device->controller->command(device, NAND_CMD_READID);
- device->controller->address(device, 0x0);
-
- if (device->bus_width == 8)
- {
- device->controller->read_data(device, &manufacturer_id);
- device->controller->read_data(device, &device_id);
- }
- else
- {
- u16 data_buf;
- device->controller->read_data(device, &data_buf);
- manufacturer_id = data_buf & 0xff;
- device->controller->read_data(device, &data_buf);
- device_id = data_buf & 0xff;
- }
-
- for (i = 0; nand_flash_ids[i].name; i++)
- {
- if (nand_flash_ids[i].id == device_id)
- {
- device->device = &nand_flash_ids[i];
- break;
- }
- }
-
- for (i = 0; nand_manuf_ids[i].name; i++)
- {
- if (nand_manuf_ids[i].id == manufacturer_id)
- {
- device->manufacturer = &nand_manuf_ids[i];
- break;
- }
- }
-
- if (!device->manufacturer)
- {
- device->manufacturer = &nand_manuf_ids[0];
- device->manufacturer->id = manufacturer_id;
- }
-
- if (!device->device)
- {
- ERROR("unknown NAND flash device found, manufacturer id: 0x%2.2x device id: 0x%2.2x",
- manufacturer_id, device_id);
- return ERROR_NAND_OPERATION_FAILED;
- }
-
- DEBUG("found %s (%s)", device->device->name, device->manufacturer->name);
-
- /* initialize device parameters */
-
- /* bus width */
- if (device->device->options & NAND_BUSWIDTH_16)
- device->bus_width = 16;
- else
- device->bus_width = 8;
-
- /* Do we need extended device probe information? */
- if (device->device->page_size == 0 ||
- device->device->erase_size == 0)
- {
- if (device->bus_width == 8)
- {
- device->controller->read_data(device, id_buff+3);
- device->controller->read_data(device, id_buff+4);
- device->controller->read_data(device, id_buff+5);
- }
- else
- {
- u16 data_buf;
-
- device->controller->read_data(device, &data_buf);
- id_buff[3] = data_buf;
-
- device->controller->read_data(device, &data_buf);
- id_buff[4] = data_buf;
-
- device->controller->read_data(device, &data_buf);
- id_buff[5] = data_buf >> 8;
- }
- }
-
- /* page size */
- if (device->device->page_size == 0)
- {
- device->page_size = 1 << (10 + (id_buff[4] & 3));
- }
- else if (device->device->page_size == 256)
- {
- ERROR("NAND flashes with 256 byte pagesize are not supported");
- return ERROR_NAND_OPERATION_FAILED;
- }
- else
- {
- device->page_size = device->device->page_size;
- }
-
- /* number of address cycles */
- if (device->page_size <= 512)
- {
- /* small page devices */
- if (device->device->chip_size <= 32)
- device->address_cycles = 3;
- else if (device->device->chip_size <= 8*1024)
- device->address_cycles = 4;
- else
- {
- ERROR("BUG: small page NAND device with more than 8 GiB encountered");
- device->address_cycles = 5;
- }
- }
- else
- {
- /* large page devices */
- if (device->device->chip_size <= 128)
- device->address_cycles = 4;
- else if (device->device->chip_size <= 32*1024)
- device->address_cycles = 5;
- else
- {
- ERROR("BUG: small page NAND device with more than 32 GiB encountered");
- device->address_cycles = 6;
- }
- }
-
- /* erase size */
- if (device->device->erase_size == 0)
- {
- switch ((id_buff[4] >> 4) & 3) {
- case 0:
- device->erase_size = 64 << 10;
- break;
- case 1:
- device->erase_size = 128 << 10;
- break;
- case 2:
- device->erase_size = 256 << 10;
- break;
- case 3:
- device->erase_size =512 << 10;
- break;
- }
- }
- else
- {
- device->erase_size = device->device->erase_size;
- }
-
- /* initialize controller, but leave parameters at the controllers default */
- if ((retval = device->controller->init(device) != ERROR_OK))
- {
- switch (retval)
- {
- case ERROR_NAND_OPERATION_FAILED:
- DEBUG("controller initialization failed");
- return ERROR_NAND_OPERATION_FAILED;
- case ERROR_NAND_OPERATION_NOT_SUPPORTED:
- ERROR("controller doesn't support requested parameters (buswidth: %i, address cycles: %i, page size: %i)",
- device->bus_width, device->address_cycles, device->page_size);
- return ERROR_NAND_OPERATION_FAILED;
- default:
- ERROR("BUG: unknown controller initialization failure");
- return ERROR_NAND_OPERATION_FAILED;
- }
- }
-
- device->num_blocks = (device->device->chip_size * 1024) / (device->erase_size / 1024);
- device->blocks = malloc(sizeof(nand_block_t) * device->num_blocks);
-
- for (i = 0; i < device->num_blocks; i++)
- {
- device->blocks[i].size = device->erase_size;
- device->blocks[i].offset = i * device->erase_size;
- device->blocks[i].is_erased = -1;
- device->blocks[i].is_bad = -1;
- }
-
- return ERROR_OK;
-}
-
-int nand_erase(struct nand_device_s *device, int first_block, int last_block)
-{
- int i;
- u32 page;
- u8 status;
- int retval;
-
- if (!device->device)
- return ERROR_NAND_DEVICE_NOT_PROBED;
-
- if ((first_block < 0) || (last_block > device->num_blocks))
- return ERROR_INVALID_ARGUMENTS;
-
- /* make sure we know if a block is bad before erasing it */
- for (i = first_block; i <= last_block; i++)
- {
- if (device->blocks[i].is_bad == -1)
- {
- nand_build_bbt(device, i, last_block);
- break;
- }
- }
-
- for (i = first_block; i <= last_block; i++)
- {
- /* Send erase setup command */
- device->controller->command(device, NAND_CMD_ERASE1);
-
- page = i * (device->erase_size / device->page_size);
-
- /* Send page address */
- if (device->page_size <= 512)
- {
- /* row */
- device->controller->address(device, page & 0xff);
- device->controller->address(device, (page >> 8) & 0xff);
-
- /* 3rd cycle only on devices with more than 32 MiB */
- if (device->address_cycles >= 4)
- device->controller->address(device, (page >> 16) & 0xff);
-
- /* 4th cycle only on devices with more than 8 GiB */
- if (device->address_cycles >= 5)
- device->controller->address(device, (page >> 24) & 0xff);
- }
- else
- {
- /* row */
- device->controller->address(device, page & 0xff);
- device->controller->address(device, (page >> 8) & 0xff);
-
- /* 3rd cycle only on devices with more than 128 MiB */
- if (device->address_cycles >= 5)
- device->controller->address(device, (page >> 16) & 0xff);
- }
-
- /* Send erase confirm command */
- device->controller->command(device, NAND_CMD_ERASE2);
-
- if (!device->controller->nand_ready(device, 1000))
- {
- ERROR("timeout waiting for NAND flash block erase to complete");
- return ERROR_NAND_OPERATION_TIMEOUT;
- }
-
- if ((retval = nand_read_status(device, &status)) != ERROR_OK)
- {
- ERROR("couldn't read status");
- return ERROR_NAND_OPERATION_FAILED;
- }
-
- if (status & 0x1)
- {
- ERROR("erase operation didn't pass, status: 0x%2.2x", status);
- return ERROR_NAND_OPERATION_FAILED;
- }
- }
-
- return ERROR_OK;
-}
-
-int nand_read_plain(struct nand_device_s *device, u32 address, u8 *data, u32 data_size)
-{
- u8 *page;
-
- if (!device->device)
- return ERROR_NAND_DEVICE_NOT_PROBED;
-
- if (address % device->page_size)
- {
- ERROR("reads need to be page aligned");
- return ERROR_NAND_OPERATION_FAILED;
- }
-
- page = malloc(device->page_size);
-
- while (data_size > 0 )
- {
- u32 thisrun_size = (data_size > device->page_size) ? device->page_size : data_size;
- u32 page_address;
-
-
- page_address = address / device->page_size;
-
- nand_read_page(device, page_address, page, device->page_size, NULL, 0);
-
- memcpy(data, page, thisrun_size);
-
- address += thisrun_size;
- data += thisrun_size;
- data_size -= thisrun_size;
- }
-
- free(page);
-
- return ERROR_OK;
-}
-
-int nand_write_plain(struct nand_device_s *device, u32 address, u8 *data, u32 data_size)
-{
- u8 *page;
-
- if (!device->device)
- return ERROR_NAND_DEVICE_NOT_PROBED;
-
- if (address % device->page_size)
- {
- ERROR("writes need to be page aligned");
- return ERROR_NAND_OPERATION_FAILED;
- }
-
- page = malloc(device->page_size);
-
- while (data_size > 0 )
- {
- u32 thisrun_size = (data_size > device->page_size) ? device->page_size : data_size;
- u32 page_address;
-
- memset(page, 0xff, device->page_size);
- memcpy(page, data, thisrun_size);
-
- page_address = address / device->page_size;
-
- nand_write_page(device, page_address, page, device->page_size, NULL, 0);
-
- address += thisrun_size;
- data += thisrun_size;
- data_size -= thisrun_size;
- }
-
- free(page);
-
- return ERROR_OK;
-}
-
-int nand_write_page(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size)
-{
- if (!device->device)
- return ERROR_NAND_DEVICE_NOT_PROBED;
-
- if (device->use_raw || device->controller->write_page == NULL)
- return nand_write_page_raw(device, page, data, data_size, oob, oob_size);
- else
- return device->controller->write_page(device, page, data, data_size, oob, oob_size);
-}
-
-int nand_read_page(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size)
-{
- if (!device->device)
- return ERROR_NAND_DEVICE_NOT_PROBED;
-
- if (device->use_raw || device->controller->read_page == NULL)
- return nand_read_page_raw(device, page, data, data_size, oob, oob_size);
- else
- return device->controller->read_page(device, page, data, data_size, oob, oob_size);
-}
-
-int nand_read_page_raw(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size)
-{
- int i;
-
- if (!device->device)
- return ERROR_NAND_DEVICE_NOT_PROBED;
-
- if (device->page_size <= 512)
- {
- /* small page device */
- if (data)
- device->controller->command(device, NAND_CMD_READ0);
- else
- device->controller->command(device, NAND_CMD_READOOB);
-
- /* column (always 0, we start at the beginning of a page/OOB area) */
- device->controller->address(device, 0x0);
-
- /* row */
- device->controller->address(device, page & 0xff);
- device->controller->address(device, (page >> 8) & 0xff);
-
- /* 4th cycle only on devices with more than 32 MiB */
- if (device->address_cycles >= 4)
- device->controller->address(device, (page >> 16) & 0xff);
-
- /* 5th cycle only on devices with more than 8 GiB */
- if (device->address_cycles >= 5)
- device->controller->address(device, (page >> 24) & 0xff);
- }
- else
- {
- /* large page device */
- device->controller->command(device, NAND_CMD_READ0);
-
- /* column (0 when we start at the beginning of a page,
- * or 2048 for the beginning of OOB area)
- */
- device->controller->address(device, 0x0);
- device->controller->address(device, 0x8);
-
- /* row */
- device->controller->address(device, page & 0xff);
- device->controller->address(device, (page >> 8) & 0xff);
-
- /* 5th cycle only on devices with more than 128 MiB */
- if (device->address_cycles >= 5)
- device->controller->address(device, (page >> 16) & 0xff);
-
- /* large page devices need a start command */
- device->controller->command(device, NAND_CMD_READSTART);
- }
-
- if (!device->controller->nand_ready(device, 100))
- return ERROR_NAND_OPERATION_TIMEOUT;
-
- if (data)
- {
- if (device->controller->read_block_data != NULL)
- (device->controller->read_block_data)(device, data, data_size);
- else
- {
- for (i = 0; i < data_size;)
- {
- if (device->device->options & NAND_BUSWIDTH_16)
- {
- device->controller->read_data(device, data);
- data += 2;
- i += 2;
- }
- else
- {
- device->controller->read_data(device, data);
- data += 1;
- i += 1;
- }
- }
- }
- }
-
- if (oob)
- {
- if (device->controller->read_block_data != NULL)
- (device->controller->read_block_data)(device, oob, oob_size);
- else
- {
- for (i = 0; i < oob_size;)
- {
- if (device->device->options & NAND_BUSWIDTH_16)
- {
- device->controller->read_data(device, oob);
- oob += 2;
- i += 2;
- }
- else
- {
- device->controller->read_data(device, oob);
- oob += 1;
- i += 1;
- }
- }
- }
- }
-
- return ERROR_OK;
-}
-
-int nand_write_page_raw(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size)
-{
- int i;
- int retval;
- u8 status;
-
- if (!device->device)
- return ERROR_NAND_DEVICE_NOT_PROBED;
-
- device->controller->command(device, NAND_CMD_SEQIN);
-
- if (device->page_size <= 512)
- {
- /* column (always 0, we start at the beginning of a page/OOB area) */
- device->controller->address(device, 0x0);
-
- /* row */
- device->controller->address(device, page & 0xff);
- device->controller->address(device, (page >> 8) & 0xff);
-
- /* 4th cycle only on devices with more than 32 MiB */
- if (device->address_cycles >= 4)
- device->controller->address(device, (page >> 16) & 0xff);
-
- /* 5th cycle only on devices with more than 8 GiB */
- if (device->address_cycles >= 5)
- device->controller->address(device, (page >> 24) & 0xff);
- }
- else
- {
- /* column (0 when we start at the beginning of a page,
- * or 2048 for the beginning of OOB area)
- */
- device->controller->address(device, 0x0);
- device->controller->address(device, 0x8);
-
- /* row */
- device->controller->address(device, page & 0xff);
- device->controller->address(device, (page >> 8) & 0xff);
-
- /* 5th cycle only on devices with more than 128 MiB */
- if (device->address_cycles >= 5)
- device->controller->address(device, (page >> 16) & 0xff);
- }
-
- if (data)
- {
- if (device->controller->write_block_data != NULL)
- (device->controller->write_block_data)(device, data, data_size);
- else
- {
- for (i = 0; i < data_size;)
- {
- if (device->device->options & NAND_BUSWIDTH_16)
- {
- u16 data_buf = le_to_h_u16(data);
- device->controller->write_data(device, data_buf);
- data += 2;
- i += 2;
- }
- else
- {
- device->controller->write_data(device, *data);
- data += 1;
- i += 1;
- }
- }
- }
- }
-
- if (oob)
- {
- if (device->controller->write_block_data != NULL)
- (device->controller->write_block_data)(device, oob, oob_size);
- else
- {
- for (i = 0; i < oob_size;)
- {
- if (device->device->options & NAND_BUSWIDTH_16)
- {
- u16 oob_buf = le_to_h_u16(data);
- device->controller->write_data(device, oob_buf);
- oob += 2;
- i += 2;
- }
- else
- {
- device->controller->write_data(device, *oob);
- oob += 1;
- i += 1;
- }
- }
- }
- }
-
- device->controller->command(device, NAND_CMD_PAGEPROG);
-
- if (!device->controller->nand_ready(device, 100))
- return ERROR_NAND_OPERATION_TIMEOUT;
-
- if ((retval = nand_read_status(device, &status)) != ERROR_OK)
- {
- ERROR("couldn't read status");
- return ERROR_NAND_OPERATION_FAILED;
- }
-
- if (status & NAND_STATUS_FAIL)
- {
- ERROR("write operation didn't pass, status: 0x%2.2x", status);
- return ERROR_NAND_OPERATION_FAILED;
- }
-
- return ERROR_OK;
-}
-
-int handle_nand_list_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- nand_device_t *p;
- int i = 0;
-
- if (!nand_devices)
- {
- command_print(cmd_ctx, "no NAND flash devices configured");
- return ERROR_OK;
- }
-
- for (p = nand_devices; p; p = p->next)
- {
- if (p->device)
- command_print(cmd_ctx, "#%i: %s (%s) pagesize: %i, buswidth: %i, erasesize: %i",
- i++, p->device->name, p->manufacturer->name, p->page_size, p->bus_width, p->erase_size);
- else
- command_print(cmd_ctx, "#%i: not probed");
- }
-
- return ERROR_OK;
-}
-
-int handle_nand_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- nand_device_t *p;
- int i = 0;
- int j = 0;
- int first = -1;
- int last = -1;
-
- if ((argc < 1) || (argc > 3))
- {
- command_print(cmd_ctx, "usage: nand info <num> [<first> <last>]");
- return ERROR_OK;
- }
-
- if (argc == 2)
- {
- first = last = strtoul(args[1], NULL, 0);
- }
- else if (argc == 3)
- {
- first = strtoul(args[1], NULL, 0);
- last = strtoul(args[2], NULL, 0);
- }
-
- p = get_nand_device_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
- if (p->device)
- {
- if (first >= p->num_blocks)
- first = p->num_blocks - 1;
-
- if (last >= p->num_blocks)
- last = p->num_blocks - 1;
-
- command_print(cmd_ctx, "#%i: %s (%s) pagesize: %i, buswidth: %i, erasesize: %i",
- i++, p->device->name, p->manufacturer->name, p->page_size, p->bus_width, p->erase_size);
-
- for (j = first; j <= last; j++)
- {
- char *erase_state, *bad_state;
-
- if (p->blocks[j].is_erased == 0)
- erase_state = "not erased";
- else if (p->blocks[j].is_erased == 1)
- erase_state = "erased";
- else
- erase_state = "erase state unknown";
-
- if (p->blocks[j].is_bad == 0)
- bad_state = "";
- else if (p->blocks[j].is_bad == 1)
- bad_state = " (marked bad)";
- else
- bad_state = " (block condition unknown)";
-
- command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%xkB) %s%s",
- j, p->blocks[j].offset, p->blocks[j].size / 1024,
- erase_state, bad_state);
- }
- }
- else
- {
- command_print(cmd_ctx, "#%i: not probed");
- }
- }
-
- return ERROR_OK;
-}
-
-int handle_nand_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- nand_device_t *p;
- int retval;
-
- if (argc != 1)
- {
- command_print(cmd_ctx, "usage: nand probe <num>");
- return ERROR_OK;
- }
-
- p = get_nand_device_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
- if ((retval = nand_probe(p)) == ERROR_OK)
- {
- command_print(cmd_ctx, "NAND flash device '%s' found", p->device->name);
- }
- else if (retval == ERROR_NAND_OPERATION_FAILED)
- {
- command_print(cmd_ctx, "probing failed for NAND flash device");
- }
- else
- {
- command_print(cmd_ctx, "unknown error when probing NAND flash device");
- }
- }
- else
- {
- command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);
- }
-
- return ERROR_OK;
-}
-
-int handle_nand_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- nand_device_t *p;
- int retval;
-
- if (argc != 3)
- {
- command_print(cmd_ctx, "usage: nand erase <num> <first> <last>");
- return ERROR_OK;
- }
-
- p = get_nand_device_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
- int first = strtoul(args[1], NULL, 0);
- int last = strtoul(args[2], NULL, 0);
-
- if ((retval = nand_erase(p, first, last)) == ERROR_OK)
- {
- command_print(cmd_ctx, "successfully erased blocks %i to %i on NAND flash device '%s'", first, last, p->device->name);
- }
- else if (retval == ERROR_NAND_OPERATION_FAILED)
- {
- command_print(cmd_ctx, "erase failed");
- }
- else
- {
- command_print(cmd_ctx, "unknown error when erasing NAND flash device");
- }
- }
- else
- {
- command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);
- }
-
- return ERROR_OK;
-}
-
-int handle_nand_check_bad_blocks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- nand_device_t *p;
- int retval;
- int first = -1;
- int last = -1;
-
- if ((argc < 1) || (argc > 3) || (argc == 2))
- {
- command_print(cmd_ctx, "usage: nand check_bad_blocks <num> [<first> <last>]");
- return ERROR_OK;
- }
-
- if (argc == 3)
- {
- first = strtoul(args[1], NULL, 0);
- last = strtoul(args[2], NULL, 0);
- }
-
- p = get_nand_device_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
- if ((retval = nand_build_bbt(p, first, last)) == ERROR_OK)
- {
- command_print(cmd_ctx, "checked NAND flash device for bad blocks, use \"nand info\" command to list blocks", p->device->name);
- }
- else if (retval == ERROR_NAND_OPERATION_FAILED)
- {
- command_print(cmd_ctx, "error when checking for bad blocks on NAND flash device");
- }
- else
- {
- command_print(cmd_ctx, "unknown error when checking for bad blocks on NAND flash device");
- }
- }
- else
- {
- command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);
- }
-
- return ERROR_OK;
-}
-
-int handle_nand_copy_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- nand_device_t *p;
-
- if (argc != 4)
- {
- command_print(cmd_ctx, "usage: nand copy <num> <offset> <length> <ram-address>");
- return ERROR_OK;
- }
-
- p = get_nand_device_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
-
- }
- else
- {
- command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);
- }
-
- return ERROR_OK;
-}
-
-int handle_nand_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- u32 offset;
- u32 binary_size;
- u32 buf_cnt;
- enum oob_formats oob_format = NAND_OOB_NONE;
-
- fileio_t fileio;
-
- duration_t duration;
- char *duration_text;
-
- nand_device_t *p;
-
- if (argc < 3)
- {
- command_print(cmd_ctx, "usage: nand write <num> <file> <offset> [options]");
- return ERROR_OK;
- }
-
- p = get_nand_device_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
- u8 *page = NULL;
- u32 page_size = 0;
- u8 *oob = NULL;
- u32 oob_size = 0;
-
- duration_start_measure(&duration);
- offset = strtoul(args[2], NULL, 0);
-
- if (argc > 3)
- {
- int i;
- for (i = 3; i < argc; i++)
- {
- if (!strcmp(args[i], "oob_raw"))
- oob_format |= NAND_OOB_RAW;
- else if (!strcmp(args[i], "oob_only"))
- oob_format |= NAND_OOB_RAW | NAND_OOB_ONLY;
- else
- {
- command_print(cmd_ctx, "unknown option: %s", args[i]);
- }
- }
- }
-
- if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
- {
- command_print(cmd_ctx, "file open error: %s", fileio.error_str);
- return ERROR_OK;
- }
-
- buf_cnt = binary_size = fileio.size;
-
- if (!(oob_format & NAND_OOB_ONLY))
- {
- page_size = p->page_size;
- page = malloc(p->page_size);
- }
-
- if (oob_format & NAND_OOB_RAW)
- {
- if (p->page_size == 512)
- oob_size = 16;
- else if (p->page_size == 2048)
- oob_size = 64;
- oob = malloc(oob_size);
- }
-
- if (offset % p->page_size)
- {
- command_print(cmd_ctx, "only page size aligned offsets and sizes are supported");
- return ERROR_OK;
- }
-
- while (buf_cnt > 0)
- {
- u32 size_read;
-
- if (page)
- {
- fileio_read(&fileio, page_size, page, &size_read);
- buf_cnt -= size_read;
- if (size_read < page_size)
- {
- memset(page + size_read, 0xff, page_size - size_read);
- }
- }
-
- if (oob)
- {
- fileio_read(&fileio, oob_size, oob, &size_read);
- buf_cnt -= size_read;
- if (size_read < oob_size)
- {
- memset(oob + size_read, 0xff, oob_size - size_read);
- }
- }
-
- if (nand_write_page(p, offset / p->page_size, page, page_size, oob, oob_size) != ERROR_OK)
- {
- command_print(cmd_ctx, "failed writing file %s to NAND flash %s at offset 0x%8.8x",
- args[1], args[0], offset);
- return ERROR_OK;
- }
- offset += page_size;
- }
-
- fileio_close(&fileio);
-
- duration_stop_measure(&duration, &duration_text);
- command_print(cmd_ctx, "wrote file %s to NAND flash %s at offset 0x%8.8x in %s",
- args[1], args[0], offset, duration_text);
- free(duration_text);
- }
- else
- {
- command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);
- }
-
- return ERROR_OK;
-}
-
-int handle_nand_dump_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- nand_device_t *p;
-
- if (argc < 4)
- {
- command_print(cmd_ctx, "usage: nand dump <num> <filename> <address> <size> [options]");
- return ERROR_OK;
- }
-
- p = get_nand_device_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
- if (p->device)
- {
- fileio_t fileio;
- duration_t duration;
- char *duration_text;
- int retval;
-
- u8 *page = NULL;
- u32 page_size = 0;
- u8 *oob = NULL;
- u32 oob_size = 0;
- u32 address = strtoul(args[2], NULL, 0);
- u32 size = strtoul(args[3], NULL, 0);
- u32 bytes_done = 0;
- enum oob_formats oob_format = NAND_OOB_NONE;
-
- if (argc > 4)
- {
- int i;
- for (i = 4; i < argc; i++)
- {
- if (!strcmp(args[i], "oob_raw"))
- oob_format |= NAND_OOB_RAW;
- else if (!strcmp(args[i], "oob_only"))
- oob_format |= NAND_OOB_RAW | NAND_OOB_ONLY;
- else
- command_print(cmd_ctx, "unknown option: '%s'", args[i]);
- }
- }
-
- if ((address % p->page_size) || (size % p->page_size))
- {
- command_print(cmd_ctx, "only page size aligned addresses and sizes are supported");
- return ERROR_OK;
- }
-
- if (!(oob_format & NAND_OOB_ONLY))
- {
- page_size = p->page_size;
- page = malloc(p->page_size);
- }
-
- if (oob_format & NAND_OOB_RAW)
- {
- if (p->page_size == 512)
- oob_size = 16;
- else if (p->page_size == 2048)
- oob_size = 64;
- oob = malloc(oob_size);
- }
-
- if (fileio_open(&fileio, args[1], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
- {
- command_print(cmd_ctx, "dump_image error: %s", fileio.error_str);
- return ERROR_OK;
- }
-
- duration_start_measure(&duration);
-
- while (size > 0)
- {
- u32 size_written;
- if ((retval = nand_read_page(p, address / p->page_size, page, page_size, oob, oob_size)) != ERROR_OK)
- {
- command_print(cmd_ctx, "reading NAND flash page failed");
- return ERROR_OK;
- }
-
- if (page)
- {
- fileio_write(&fileio, page_size, page, &size_written);
- bytes_done += page_size;
- }
-
- if (oob)
- {
- fileio_write(&fileio, oob_size, oob, &size_written);
- bytes_done += oob_size;
- }
-
- size -= p->page_size;
- address += p->page_size;
- }
-
- if (page)
- free(page);
-
- if (oob)
- free(oob);
-
- fileio_close(&fileio);
-
- duration_stop_measure(&duration, &duration_text);
- command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
- free(duration_text);
- }
- else
- {
- command_print(cmd_ctx, "#%i: not probed");
- }
- }
- else
- {
- command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);
- }
-
- return ERROR_OK;
-}
-
-int handle_nand_raw_access_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- nand_device_t *p;
-
- if ((argc < 1) || (argc > 2))
- {
- command_print(cmd_ctx, "usage: nand raw_access <num> ['enable'|'disable']");
- return ERROR_OK;
- }
-
- p = get_nand_device_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
- if (p->device)
- {
- if (argc == 2)
- {
- if (strcmp("enable", args[1]) == 0)
- {
- p->use_raw = 1;
- }
- else if (strcmp("disable", args[1]) == 0)
- {
- p->use_raw = 0;
- }
- else
- {
- command_print(cmd_ctx, "usage: nand raw_access ['enable'|disable']");
- }
- }
-
- command_print(cmd_ctx, "raw access is %s", (p->use_raw) ? "enabled" : "disabled");
- }
- else
- {
- command_print(cmd_ctx, "#%i: not probed");
- }
- }
- else
- {
- command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);
- }
-
- return ERROR_OK;
-}
-
+/***************************************************************************\r
+ * Copyright (C) 2007 by Dominic Rath *\r
+ * Dominic.Rath@gmx.de *\r
+ * *\r
+ * partially based on *\r
+ * drivers/mtd/nand_ids.c *\r
+ * *\r
+ * Copyright (C) 2002 Thomas Gleixner (tglx@linutronix.de) *\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
+#include "log.h"\r
+\r
+#include <stdlib.h>\r
+#include <string.h>\r
+#include <inttypes.h>\r
+\r
+#include <errno.h>\r
+\r
+#include "nand.h"\r
+#include "flash.h"\r
+#include "time_support.h"\r
+#include "fileio.h"\r
+#include "image.h"\r
+\r
+int nand_register_commands(struct command_context_s *cmd_ctx);\r
+int handle_nand_list_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+int handle_nand_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+int handle_nand_check_bad_blocks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+int handle_nand_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+int handle_nand_copy_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+int handle_nand_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+int handle_nand_dump_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+int handle_nand_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+\r
+int handle_nand_raw_access_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+\r
+int nand_read_page_raw(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size);\r
+int nand_read_page(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size);\r
+int nand_read_plain(struct nand_device_s *device, u32 address, u8 *data, u32 data_size);\r
+\r
+int nand_write_page_raw(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size);\r
+int nand_write_page(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size);\r
+\r
+/* NAND flash controller\r
+ */\r
+extern nand_flash_controller_t lpc3180_nand_controller;\r
+extern nand_flash_controller_t s3c2410_nand_controller;\r
+extern nand_flash_controller_t s3c2412_nand_controller;\r
+extern nand_flash_controller_t s3c2440_nand_controller;\r
+extern nand_flash_controller_t s3c2443_nand_controller;\r
+\r
+/* extern nand_flash_controller_t boundary_scan_nand_controller; */\r
+\r
+nand_flash_controller_t *nand_flash_controllers[] =\r
+{\r
+ &lpc3180_nand_controller,\r
+ &s3c2410_nand_controller,\r
+ &s3c2412_nand_controller,\r
+ &s3c2440_nand_controller,\r
+ &s3c2443_nand_controller,\r
+/* &boundary_scan_nand_controller, */\r
+ NULL\r
+};\r
+\r
+/* configured NAND devices and NAND Flash command handler */\r
+nand_device_t *nand_devices = NULL;\r
+static command_t *nand_cmd;\r
+\r
+/* Chip ID list\r
+ *\r
+ * Name, ID code, pagesize, chipsize in MegaByte, eraseblock size,\r
+ * options\r
+ *\r
+ * Pagesize; 0, 256, 512\r
+ * 0 get this information from the extended chip ID\r
+ * 256 256 Byte page size\r
+ * 512 512 Byte page size\r
+ */\r
+nand_info_t nand_flash_ids[] =\r
+{\r
+ {"NAND 1MiB 5V 8-bit", 0x6e, 256, 1, 0x1000, 0},\r
+ {"NAND 2MiB 5V 8-bit", 0x64, 256, 2, 0x1000, 0},\r
+ {"NAND 4MiB 5V 8-bit", 0x6b, 512, 4, 0x2000, 0},\r
+ {"NAND 1MiB 3,3V 8-bit", 0xe8, 256, 1, 0x1000, 0},\r
+ {"NAND 1MiB 3,3V 8-bit", 0xec, 256, 1, 0x1000, 0},\r
+ {"NAND 2MiB 3,3V 8-bit", 0xea, 256, 2, 0x1000, 0},\r
+ {"NAND 4MiB 3,3V 8-bit", 0xd5, 512, 4, 0x2000, 0},\r
+ {"NAND 4MiB 3,3V 8-bit", 0xe3, 512, 4, 0x2000, 0},\r
+ {"NAND 4MiB 3,3V 8-bit", 0xe5, 512, 4, 0x2000, 0},\r
+ {"NAND 8MiB 3,3V 8-bit", 0xd6, 512, 8, 0x2000, 0},\r
+\r
+ {"NAND 8MiB 1,8V 8-bit", 0x39, 512, 8, 0x2000, 0},\r
+ {"NAND 8MiB 3,3V 8-bit", 0xe6, 512, 8, 0x2000, 0},\r
+ {"NAND 8MiB 1,8V 16-bit", 0x49, 512, 8, 0x2000, NAND_BUSWIDTH_16},\r
+ {"NAND 8MiB 3,3V 16-bit", 0x59, 512, 8, 0x2000, NAND_BUSWIDTH_16},\r
+\r
+ {"NAND 16MiB 1,8V 8-bit", 0x33, 512, 16, 0x4000, 0},\r
+ {"NAND 16MiB 3,3V 8-bit", 0x73, 512, 16, 0x4000, 0},\r
+ {"NAND 16MiB 1,8V 16-bit", 0x43, 512, 16, 0x4000, NAND_BUSWIDTH_16},\r
+ {"NAND 16MiB 3,3V 16-bit", 0x53, 512, 16, 0x4000, NAND_BUSWIDTH_16},\r
+\r
+ {"NAND 32MiB 1,8V 8-bit", 0x35, 512, 32, 0x4000, 0},\r
+ {"NAND 32MiB 3,3V 8-bit", 0x75, 512, 32, 0x4000, 0},\r
+ {"NAND 32MiB 1,8V 16-bit", 0x45, 512, 32, 0x4000, NAND_BUSWIDTH_16},\r
+ {"NAND 32MiB 3,3V 16-bit", 0x55, 512, 32, 0x4000, NAND_BUSWIDTH_16},\r
+\r
+ {"NAND 64MiB 1,8V 8-bit", 0x36, 512, 64, 0x4000, 0},\r
+ {"NAND 64MiB 3,3V 8-bit", 0x76, 512, 64, 0x4000, 0},\r
+ {"NAND 64MiB 1,8V 16-bit", 0x46, 512, 64, 0x4000, NAND_BUSWIDTH_16},\r
+ {"NAND 64MiB 3,3V 16-bit", 0x56, 512, 64, 0x4000, NAND_BUSWIDTH_16},\r
+\r
+ {"NAND 128MiB 1,8V 8-bit", 0x78, 512, 128, 0x4000, 0},\r
+ {"NAND 128MiB 1,8V 8-bit", 0x39, 512, 128, 0x4000, 0},\r
+ {"NAND 128MiB 3,3V 8-bit", 0x79, 512, 128, 0x4000, 0},\r
+ {"NAND 128MiB 1,8V 16-bit", 0x72, 512, 128, 0x4000, NAND_BUSWIDTH_16},\r
+ {"NAND 128MiB 1,8V 16-bit", 0x49, 512, 128, 0x4000, NAND_BUSWIDTH_16},\r
+ {"NAND 128MiB 3,3V 16-bit", 0x74, 512, 128, 0x4000, NAND_BUSWIDTH_16},\r
+ {"NAND 128MiB 3,3V 16-bit", 0x59, 512, 128, 0x4000, NAND_BUSWIDTH_16},\r
+\r
+ {"NAND 256MiB 3,3V 8-bit", 0x71, 512, 256, 0x4000, 0},\r
+\r
+ {"NAND 64MiB 1,8V 8-bit", 0xA2, 0, 64, 0, LP_OPTIONS},\r
+ {"NAND 64MiB 3,3V 8-bit", 0xF2, 0, 64, 0, LP_OPTIONS},\r
+ {"NAND 64MiB 1,8V 16-bit", 0xB2, 0, 64, 0, LP_OPTIONS16},\r
+ {"NAND 64MiB 3,3V 16-bit", 0xC2, 0, 64, 0, LP_OPTIONS16},\r
+\r
+ {"NAND 128MiB 1,8V 8-bit", 0xA1, 0, 128, 0, LP_OPTIONS},\r
+ {"NAND 128MiB 3,3V 8-bit", 0xF1, 0, 128, 0, LP_OPTIONS},\r
+ {"NAND 128MiB 1,8V 16-bit", 0xB1, 0, 128, 0, LP_OPTIONS16},\r
+ {"NAND 128MiB 3,3V 16-bit", 0xC1, 0, 128, 0, LP_OPTIONS16},\r
+\r
+ {"NAND 256MiB 1,8V 8-bit", 0xAA, 0, 256, 0, LP_OPTIONS},\r
+ {"NAND 256MiB 3,3V 8-bit", 0xDA, 0, 256, 0, LP_OPTIONS},\r
+ {"NAND 256MiB 1,8V 16-bit", 0xBA, 0, 256, 0, LP_OPTIONS16},\r
+ {"NAND 256MiB 3,3V 16-bit", 0xCA, 0, 256, 0, LP_OPTIONS16},\r
+\r
+ {"NAND 512MiB 1,8V 8-bit", 0xAC, 0, 512, 0, LP_OPTIONS},\r
+ {"NAND 512MiB 3,3V 8-bit", 0xDC, 0, 512, 0, LP_OPTIONS},\r
+ {"NAND 512MiB 1,8V 16-bit", 0xBC, 0, 512, 0, LP_OPTIONS16},\r
+ {"NAND 512MiB 3,3V 16-bit", 0xCC, 0, 512, 0, LP_OPTIONS16},\r
+\r
+ {"NAND 1GiB 1,8V 8-bit", 0xA3, 0, 1024, 0, LP_OPTIONS},\r
+ {"NAND 1GiB 3,3V 8-bit", 0xD3, 0, 1024, 0, LP_OPTIONS},\r
+ {"NAND 1GiB 1,8V 16-bit", 0xB3, 0, 1024, 0, LP_OPTIONS16},\r
+ {"NAND 1GiB 3,3V 16-bit", 0xC3, 0, 1024, 0, LP_OPTIONS16},\r
+\r
+ {"NAND 2GiB 1,8V 8-bit", 0xA5, 0, 2048, 0, LP_OPTIONS},\r
+ {"NAND 2GiB 3,3V 8-bit", 0xD5, 0, 2048, 0, LP_OPTIONS},\r
+ {"NAND 2GiB 1,8V 16-bit", 0xB5, 0, 2048, 0, LP_OPTIONS16},\r
+ {"NAND 2GiB 3,3V 16-bit", 0xC5, 0, 2048, 0, LP_OPTIONS16},\r
+\r
+ {NULL, 0,}\r
+};\r
+\r
+/* Manufacturer ID list\r
+ */\r
+nand_manufacturer_t nand_manuf_ids[] =\r
+{\r
+ {0x0, "unknown"},\r
+ {NAND_MFR_TOSHIBA, "Toshiba"},\r
+ {NAND_MFR_SAMSUNG, "Samsung"},\r
+ {NAND_MFR_FUJITSU, "Fujitsu"},\r
+ {NAND_MFR_NATIONAL, "National"},\r
+ {NAND_MFR_RENESAS, "Renesas"},\r
+ {NAND_MFR_STMICRO, "ST Micro"},\r
+ {NAND_MFR_HYNIX, "Hynix"},\r
+ {0x0, NULL},\r
+};\r
+\r
+/* nand device <nand_controller> [controller options]\r
+ */\r
+int handle_nand_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ int i;\r
+ int retval;\r
+ \r
+ if (argc < 1)\r
+ {\r
+ WARNING("incomplete flash device nand configuration");\r
+ return ERROR_FLASH_BANK_INVALID;\r
+ }\r
+ \r
+ for (i = 0; nand_flash_controllers[i]; i++)\r
+ {\r
+ nand_device_t *p, *c;\r
+ \r
+ if (strcmp(args[0], nand_flash_controllers[i]->name) == 0)\r
+ {\r
+ /* register flash specific commands */\r
+ if (nand_flash_controllers[i]->register_commands(cmd_ctx) != ERROR_OK)\r
+ {\r
+ ERROR("couldn't register '%s' commands", args[0]);\r
+ exit(-1);\r
+ }\r
+ \r
+ c = malloc(sizeof(nand_device_t));\r
+\r
+ c->controller = nand_flash_controllers[i];\r
+ c->controller_priv = NULL;\r
+ c->manufacturer = NULL;\r
+ c->device = NULL;\r
+ c->bus_width = 0;\r
+ c->address_cycles = 0;\r
+ c->page_size = 0;\r
+ c->use_raw = 0;\r
+ c->next = NULL;\r
+\r
+ if ((retval = nand_flash_controllers[i]->nand_device_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)\r
+ {\r
+ ERROR("'%s' driver rejected nand flash", c->controller->name);\r
+ free(c);\r
+ return ERROR_OK;\r
+ }\r
+ \r
+ /* put NAND device in linked list */\r
+ if (nand_devices)\r
+ {\r
+ /* find last flash device */\r
+ for (p = nand_devices; p && p->next; p = p->next);\r
+ if (p)\r
+ p->next = c;\r
+ }\r
+ else\r
+ {\r
+ nand_devices = c;\r
+ }\r
+ \r
+ return ERROR_OK;\r
+ }\r
+ }\r
+\r
+ /* no valid NAND controller was found (i.e. the configuration option,\r
+ * didn't match one of the compiled-in controllers)\r
+ */\r
+ ERROR("No valid NAND flash controller found (%s)", args[0]);\r
+ ERROR("compiled-in NAND flash controllers:");\r
+ for (i = 0; nand_flash_controllers[i]; i++)\r
+ {\r
+ ERROR("%i: %s", i, nand_flash_controllers[i]->name);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int nand_register_commands(struct command_context_s *cmd_ctx)\r
+{\r
+ nand_cmd = register_command(cmd_ctx, NULL, "nand", NULL, COMMAND_ANY, "NAND specific commands");\r
+ \r
+ register_command(cmd_ctx, nand_cmd, "device", handle_nand_device_command, COMMAND_CONFIG, NULL);\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int nand_init(struct command_context_s *cmd_ctx)\r
+{\r
+ if (nand_devices)\r
+ {\r
+ register_command(cmd_ctx, nand_cmd, "list", handle_nand_list_command, COMMAND_EXEC,\r
+ "list configured NAND flash devices");\r
+ register_command(cmd_ctx, nand_cmd, "info", handle_nand_info_command, COMMAND_EXEC,\r
+ "print info about NAND flash device <num>");\r
+ register_command(cmd_ctx, nand_cmd, "probe", handle_nand_probe_command, COMMAND_EXEC,\r
+ "identify NAND flash device <num>");\r
+ register_command(cmd_ctx, nand_cmd, "check_bad_blocks", handle_nand_check_bad_blocks_command, COMMAND_EXEC,\r
+ "check NAND flash device <num> for bad blocks [<first> <last>]");\r
+ register_command(cmd_ctx, nand_cmd, "erase", handle_nand_erase_command, COMMAND_EXEC,\r
+ "erase blocks on NAND flash device <num> <first> <last>");\r
+ register_command(cmd_ctx, nand_cmd, "copy", handle_nand_copy_command, COMMAND_EXEC,\r
+ "copy from NAND flash device <num> <offset> <length> <ram-address>");\r
+ register_command(cmd_ctx, nand_cmd, "dump", handle_nand_dump_command, COMMAND_EXEC,\r
+ "dump from NAND flash device <num> <filename> <offset> <size> [options]");\r
+ register_command(cmd_ctx, nand_cmd, "write", handle_nand_write_command, COMMAND_EXEC,\r
+ "write to NAND flash device <num> <filename> <offset> [options]");\r
+ register_command(cmd_ctx, nand_cmd, "raw_access", handle_nand_raw_access_command, COMMAND_EXEC,\r
+ "raw access to NAND flash device <num> ['enable'|'disable']");\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+nand_device_t *get_nand_device_by_num(int num)\r
+{\r
+ nand_device_t *p;\r
+ int i = 0;\r
+\r
+ for (p = nand_devices; p; p = p->next)\r
+ {\r
+ if (i++ == num)\r
+ {\r
+ return p;\r
+ }\r
+ }\r
+ \r
+ return NULL;\r
+}\r
+\r
+int nand_build_bbt(struct nand_device_s *device, int first, int last)\r
+{\r
+ u32 page = 0x0;\r
+ int i;\r
+ u8 *oob;\r
+ \r
+ oob = malloc(6);\r
+ \r
+ if ((first < 0) || (first >= device->num_blocks))\r
+ first = 0;\r
+ \r
+ if ((last >= device->num_blocks) || (last == -1))\r
+ last = device->num_blocks - 1;\r
+ \r
+ for (i = first; i < last; i++)\r
+ {\r
+ nand_read_page(device, page, NULL, 0, oob, 6);\r
+ \r
+ if (((device->device->options & NAND_BUSWIDTH_16) && ((oob[0] & oob[1]) != 0xff))\r
+ || (((device->page_size == 512) && (oob[5] != 0xff)) ||\r
+ ((device->page_size == 2048) && (oob[0] != 0xff))))\r
+ {\r
+ WARNING("invalid block: %i", i);\r
+ device->blocks[i].is_bad = 1;\r
+ }\r
+ else\r
+ {\r
+ device->blocks[i].is_bad = 0;\r
+ }\r
+ \r
+ page += (device->erase_size / device->page_size);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int nand_read_status(struct nand_device_s *device, u8 *status)\r
+{\r
+ if (!device->device)\r
+ return ERROR_NAND_DEVICE_NOT_PROBED;\r
+ \r
+ /* Send read status command */\r
+ device->controller->command(device, NAND_CMD_STATUS);\r
+ \r
+ usleep(1000);\r
+ \r
+ /* read status */\r
+ if (device->device->options & NAND_BUSWIDTH_16)\r
+ {\r
+ u16 data;\r
+ device->controller->read_data(device, &data);\r
+ *status = data & 0xff;\r
+ }\r
+ else\r
+ {\r
+ device->controller->read_data(device, status);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int nand_probe(struct nand_device_s *device)\r
+{\r
+ u8 manufacturer_id, device_id;\r
+ u8 id_buff[5];\r
+ int retval;\r
+ int i;\r
+\r
+ /* clear device data */\r
+ device->device = NULL;\r
+ device->manufacturer = NULL;\r
+ \r
+ /* clear device parameters */\r
+ device->bus_width = 0;\r
+ device->address_cycles = 0;\r
+ device->page_size = 0;\r
+ device->erase_size = 0;\r
+ \r
+ /* initialize controller (device parameters are zero, use controller default) */\r
+ if ((retval = device->controller->init(device) != ERROR_OK))\r
+ {\r
+ switch (retval)\r
+ {\r
+ case ERROR_NAND_OPERATION_FAILED:\r
+ DEBUG("controller initialization failed");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ case ERROR_NAND_OPERATION_NOT_SUPPORTED:\r
+ ERROR("BUG: controller reported that it doesn't support default parameters");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ default:\r
+ ERROR("BUG: unknown controller initialization failure");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ }\r
+ \r
+ device->controller->command(device, NAND_CMD_RESET);\r
+ device->controller->reset(device);\r
+\r
+ device->controller->command(device, NAND_CMD_READID);\r
+ device->controller->address(device, 0x0);\r
+ \r
+ if (device->bus_width == 8)\r
+ {\r
+ device->controller->read_data(device, &manufacturer_id);\r
+ device->controller->read_data(device, &device_id);\r
+ }\r
+ else\r
+ {\r
+ u16 data_buf;\r
+ device->controller->read_data(device, &data_buf);\r
+ manufacturer_id = data_buf & 0xff;\r
+ device->controller->read_data(device, &data_buf);\r
+ device_id = data_buf & 0xff;\r
+ }\r
+ \r
+ for (i = 0; nand_flash_ids[i].name; i++)\r
+ {\r
+ if (nand_flash_ids[i].id == device_id)\r
+ {\r
+ device->device = &nand_flash_ids[i];\r
+ break;\r
+ }\r
+ }\r
+ \r
+ for (i = 0; nand_manuf_ids[i].name; i++)\r
+ {\r
+ if (nand_manuf_ids[i].id == manufacturer_id)\r
+ {\r
+ device->manufacturer = &nand_manuf_ids[i];\r
+ break;\r
+ }\r
+ }\r
+ \r
+ if (!device->manufacturer)\r
+ {\r
+ device->manufacturer = &nand_manuf_ids[0];\r
+ device->manufacturer->id = manufacturer_id;\r
+ }\r
+ \r
+ if (!device->device)\r
+ {\r
+ ERROR("unknown NAND flash device found, manufacturer id: 0x%2.2x device id: 0x%2.2x",\r
+ manufacturer_id, device_id);\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ \r
+ DEBUG("found %s (%s)", device->device->name, device->manufacturer->name);\r
+ \r
+ /* initialize device parameters */\r
+ \r
+ /* bus width */ \r
+ if (device->device->options & NAND_BUSWIDTH_16)\r
+ device->bus_width = 16;\r
+ else\r
+ device->bus_width = 8;\r
+\r
+ /* Do we need extended device probe information? */\r
+ if (device->device->page_size == 0 ||\r
+ device->device->erase_size == 0)\r
+ {\r
+ if (device->bus_width == 8)\r
+ {\r
+ device->controller->read_data(device, id_buff+3);\r
+ device->controller->read_data(device, id_buff+4);\r
+ device->controller->read_data(device, id_buff+5);\r
+ }\r
+ else\r
+ {\r
+ u16 data_buf;\r
+\r
+ device->controller->read_data(device, &data_buf);\r
+ id_buff[3] = data_buf;\r
+\r
+ device->controller->read_data(device, &data_buf);\r
+ id_buff[4] = data_buf;\r
+\r
+ device->controller->read_data(device, &data_buf);\r
+ id_buff[5] = data_buf >> 8;\r
+ }\r
+ }\r
+ \r
+ /* page size */\r
+ if (device->device->page_size == 0)\r
+ {\r
+ device->page_size = 1 << (10 + (id_buff[4] & 3));\r
+ }\r
+ else if (device->device->page_size == 256)\r
+ {\r
+ ERROR("NAND flashes with 256 byte pagesize are not supported");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ else\r
+ {\r
+ device->page_size = device->device->page_size;\r
+ }\r
+ \r
+ /* number of address cycles */\r
+ if (device->page_size <= 512)\r
+ {\r
+ /* small page devices */\r
+ if (device->device->chip_size <= 32)\r
+ device->address_cycles = 3;\r
+ else if (device->device->chip_size <= 8*1024)\r
+ device->address_cycles = 4;\r
+ else\r
+ {\r
+ ERROR("BUG: small page NAND device with more than 8 GiB encountered");\r
+ device->address_cycles = 5;\r
+ }\r
+ }\r
+ else\r
+ {\r
+ /* large page devices */\r
+ if (device->device->chip_size <= 128)\r
+ device->address_cycles = 4;\r
+ else if (device->device->chip_size <= 32*1024)\r
+ device->address_cycles = 5;\r
+ else\r
+ {\r
+ ERROR("BUG: small page NAND device with more than 32 GiB encountered");\r
+ device->address_cycles = 6;\r
+ }\r
+ }\r
+ \r
+ /* erase size */\r
+ if (device->device->erase_size == 0)\r
+ {\r
+ switch ((id_buff[4] >> 4) & 3) {\r
+ case 0:\r
+ device->erase_size = 64 << 10;\r
+ break;\r
+ case 1:\r
+ device->erase_size = 128 << 10;\r
+ break;\r
+ case 2:\r
+ device->erase_size = 256 << 10;\r
+ break;\r
+ case 3:\r
+ device->erase_size =512 << 10;\r
+ break;\r
+ }\r
+ }\r
+ else\r
+ {\r
+ device->erase_size = device->device->erase_size;\r
+ }\r
+ \r
+ /* initialize controller, but leave parameters at the controllers default */\r
+ if ((retval = device->controller->init(device) != ERROR_OK))\r
+ {\r
+ switch (retval)\r
+ {\r
+ case ERROR_NAND_OPERATION_FAILED:\r
+ DEBUG("controller initialization failed");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ case ERROR_NAND_OPERATION_NOT_SUPPORTED:\r
+ ERROR("controller doesn't support requested parameters (buswidth: %i, address cycles: %i, page size: %i)",\r
+ device->bus_width, device->address_cycles, device->page_size);\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ default:\r
+ ERROR("BUG: unknown controller initialization failure");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ }\r
+ \r
+ device->num_blocks = (device->device->chip_size * 1024) / (device->erase_size / 1024);\r
+ device->blocks = malloc(sizeof(nand_block_t) * device->num_blocks);\r
+ \r
+ for (i = 0; i < device->num_blocks; i++)\r
+ {\r
+ device->blocks[i].size = device->erase_size;\r
+ device->blocks[i].offset = i * device->erase_size;\r
+ device->blocks[i].is_erased = -1;\r
+ device->blocks[i].is_bad = -1;\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int nand_erase(struct nand_device_s *device, int first_block, int last_block)\r
+{\r
+ int i;\r
+ u32 page;\r
+ u8 status;\r
+ int retval;\r
+ \r
+ if (!device->device)\r
+ return ERROR_NAND_DEVICE_NOT_PROBED;\r
+ \r
+ if ((first_block < 0) || (last_block > device->num_blocks))\r
+ return ERROR_INVALID_ARGUMENTS;\r
+ \r
+ /* make sure we know if a block is bad before erasing it */\r
+ for (i = first_block; i <= last_block; i++)\r
+ {\r
+ if (device->blocks[i].is_bad == -1)\r
+ {\r
+ nand_build_bbt(device, i, last_block);\r
+ break;\r
+ }\r
+ }\r
+ \r
+ for (i = first_block; i <= last_block; i++)\r
+ {\r
+ /* Send erase setup command */\r
+ device->controller->command(device, NAND_CMD_ERASE1);\r
+ \r
+ page = i * (device->erase_size / device->page_size);\r
+ \r
+ /* Send page address */\r
+ if (device->page_size <= 512)\r
+ {\r
+ /* row */\r
+ device->controller->address(device, page & 0xff);\r
+ device->controller->address(device, (page >> 8) & 0xff);\r
+ \r
+ /* 3rd cycle only on devices with more than 32 MiB */\r
+ if (device->address_cycles >= 4)\r
+ device->controller->address(device, (page >> 16) & 0xff);\r
+ \r
+ /* 4th cycle only on devices with more than 8 GiB */\r
+ if (device->address_cycles >= 5)\r
+ device->controller->address(device, (page >> 24) & 0xff);\r
+ }\r
+ else\r
+ {\r
+ /* row */\r
+ device->controller->address(device, page & 0xff);\r
+ device->controller->address(device, (page >> 8) & 0xff);\r
+ \r
+ /* 3rd cycle only on devices with more than 128 MiB */\r
+ if (device->address_cycles >= 5)\r
+ device->controller->address(device, (page >> 16) & 0xff);\r
+ }\r
+ \r
+ /* Send erase confirm command */\r
+ device->controller->command(device, NAND_CMD_ERASE2);\r
+ \r
+ if (!device->controller->nand_ready(device, 1000))\r
+ {\r
+ ERROR("timeout waiting for NAND flash block erase to complete");\r
+ return ERROR_NAND_OPERATION_TIMEOUT;\r
+ }\r
+ \r
+ if ((retval = nand_read_status(device, &status)) != ERROR_OK)\r
+ {\r
+ ERROR("couldn't read status");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ \r
+ if (status & 0x1)\r
+ {\r
+ ERROR("erase operation didn't pass, status: 0x%2.2x", status);\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int nand_read_plain(struct nand_device_s *device, u32 address, u8 *data, u32 data_size)\r
+{\r
+ u8 *page;\r
+ \r
+ if (!device->device)\r
+ return ERROR_NAND_DEVICE_NOT_PROBED;\r
+ \r
+ if (address % device->page_size)\r
+ {\r
+ ERROR("reads need to be page aligned");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ \r
+ page = malloc(device->page_size);\r
+ \r
+ while (data_size > 0 )\r
+ {\r
+ u32 thisrun_size = (data_size > device->page_size) ? device->page_size : data_size;\r
+ u32 page_address;\r
+ \r
+ \r
+ page_address = address / device->page_size;\r
+ \r
+ nand_read_page(device, page_address, page, device->page_size, NULL, 0);\r
+\r
+ memcpy(data, page, thisrun_size);\r
+ \r
+ address += thisrun_size;\r
+ data += thisrun_size;\r
+ data_size -= thisrun_size;\r
+ }\r
+ \r
+ free(page);\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int nand_write_plain(struct nand_device_s *device, u32 address, u8 *data, u32 data_size)\r
+{\r
+ u8 *page;\r
+ \r
+ if (!device->device)\r
+ return ERROR_NAND_DEVICE_NOT_PROBED;\r
+ \r
+ if (address % device->page_size)\r
+ {\r
+ ERROR("writes need to be page aligned");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ \r
+ page = malloc(device->page_size);\r
+ \r
+ while (data_size > 0 )\r
+ {\r
+ u32 thisrun_size = (data_size > device->page_size) ? device->page_size : data_size;\r
+ u32 page_address;\r
+ \r
+ memset(page, 0xff, device->page_size);\r
+ memcpy(page, data, thisrun_size);\r
+ \r
+ page_address = address / device->page_size;\r
+ \r
+ nand_write_page(device, page_address, page, device->page_size, NULL, 0);\r
+ \r
+ address += thisrun_size;\r
+ data += thisrun_size;\r
+ data_size -= thisrun_size;\r
+ }\r
+ \r
+ free(page);\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int nand_write_page(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size)\r
+{\r
+ if (!device->device)\r
+ return ERROR_NAND_DEVICE_NOT_PROBED;\r
+ \r
+ if (device->use_raw || device->controller->write_page == NULL)\r
+ return nand_write_page_raw(device, page, data, data_size, oob, oob_size);\r
+ else\r
+ return device->controller->write_page(device, page, data, data_size, oob, oob_size);\r
+}\r
+\r
+int nand_read_page(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size)\r
+{\r
+ if (!device->device)\r
+ return ERROR_NAND_DEVICE_NOT_PROBED;\r
+ \r
+ if (device->use_raw || device->controller->read_page == NULL)\r
+ return nand_read_page_raw(device, page, data, data_size, oob, oob_size);\r
+ else\r
+ return device->controller->read_page(device, page, data, data_size, oob, oob_size);\r
+}\r
+\r
+int nand_read_page_raw(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size)\r
+{\r
+ int i;\r
+ \r
+ if (!device->device)\r
+ return ERROR_NAND_DEVICE_NOT_PROBED;\r
+\r
+ if (device->page_size <= 512)\r
+ {\r
+ /* small page device */\r
+ if (data)\r
+ device->controller->command(device, NAND_CMD_READ0);\r
+ else\r
+ device->controller->command(device, NAND_CMD_READOOB);\r
+ \r
+ /* column (always 0, we start at the beginning of a page/OOB area) */\r
+ device->controller->address(device, 0x0);\r
+ \r
+ /* row */\r
+ device->controller->address(device, page & 0xff);\r
+ device->controller->address(device, (page >> 8) & 0xff);\r
+ \r
+ /* 4th cycle only on devices with more than 32 MiB */\r
+ if (device->address_cycles >= 4)\r
+ device->controller->address(device, (page >> 16) & 0xff);\r
+\r
+ /* 5th cycle only on devices with more than 8 GiB */\r
+ if (device->address_cycles >= 5)\r
+ device->controller->address(device, (page >> 24) & 0xff);\r
+ }\r
+ else\r
+ {\r
+ /* large page device */\r
+ device->controller->command(device, NAND_CMD_READ0);\r
+ \r
+ /* column (0 when we start at the beginning of a page,\r
+ * or 2048 for the beginning of OOB area)\r
+ */\r
+ device->controller->address(device, 0x0);\r
+ device->controller->address(device, 0x8);\r
+ \r
+ /* row */\r
+ device->controller->address(device, page & 0xff);\r
+ device->controller->address(device, (page >> 8) & 0xff);\r
+\r
+ /* 5th cycle only on devices with more than 128 MiB */\r
+ if (device->address_cycles >= 5)\r
+ device->controller->address(device, (page >> 16) & 0xff);\r
+\r
+ /* large page devices need a start command */\r
+ device->controller->command(device, NAND_CMD_READSTART);\r
+ }\r
+ \r
+ if (!device->controller->nand_ready(device, 100))\r
+ return ERROR_NAND_OPERATION_TIMEOUT;\r
+ \r
+ if (data)\r
+ {\r
+ if (device->controller->read_block_data != NULL)\r
+ (device->controller->read_block_data)(device, data, data_size);\r
+ else\r
+ {\r
+ for (i = 0; i < data_size;)\r
+ {\r
+ if (device->device->options & NAND_BUSWIDTH_16)\r
+ {\r
+ device->controller->read_data(device, data);\r
+ data += 2;\r
+ i += 2;\r
+ }\r
+ else\r
+ {\r
+ device->controller->read_data(device, data);\r
+ data += 1;\r
+ i += 1;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ \r
+ if (oob)\r
+ {\r
+ if (device->controller->read_block_data != NULL)\r
+ (device->controller->read_block_data)(device, oob, oob_size);\r
+ else\r
+ {\r
+ for (i = 0; i < oob_size;)\r
+ {\r
+ if (device->device->options & NAND_BUSWIDTH_16)\r
+ {\r
+ device->controller->read_data(device, oob);\r
+ oob += 2;\r
+ i += 2;\r
+ }\r
+ else\r
+ {\r
+ device->controller->read_data(device, oob);\r
+ oob += 1;\r
+ i += 1;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ \r
+ return ERROR_OK; \r
+}\r
+\r
+int nand_write_page_raw(struct nand_device_s *device, u32 page, u8 *data, u32 data_size, u8 *oob, u32 oob_size)\r
+{\r
+ int i;\r
+ int retval;\r
+ u8 status;\r
+ \r
+ if (!device->device)\r
+ return ERROR_NAND_DEVICE_NOT_PROBED;\r
+\r
+ device->controller->command(device, NAND_CMD_SEQIN);\r
+ \r
+ if (device->page_size <= 512)\r
+ {\r
+ /* column (always 0, we start at the beginning of a page/OOB area) */\r
+ device->controller->address(device, 0x0);\r
+ \r
+ /* row */\r
+ device->controller->address(device, page & 0xff);\r
+ device->controller->address(device, (page >> 8) & 0xff);\r
+ \r
+ /* 4th cycle only on devices with more than 32 MiB */\r
+ if (device->address_cycles >= 4)\r
+ device->controller->address(device, (page >> 16) & 0xff);\r
+\r
+ /* 5th cycle only on devices with more than 8 GiB */\r
+ if (device->address_cycles >= 5)\r
+ device->controller->address(device, (page >> 24) & 0xff);\r
+ }\r
+ else\r
+ {\r
+ /* column (0 when we start at the beginning of a page,\r
+ * or 2048 for the beginning of OOB area)\r
+ */\r
+ device->controller->address(device, 0x0);\r
+ device->controller->address(device, 0x8);\r
+ \r
+ /* row */\r
+ device->controller->address(device, page & 0xff);\r
+ device->controller->address(device, (page >> 8) & 0xff);\r
+\r
+ /* 5th cycle only on devices with more than 128 MiB */\r
+ if (device->address_cycles >= 5)\r
+ device->controller->address(device, (page >> 16) & 0xff);\r
+ }\r
+ \r
+ if (data)\r
+ {\r
+ if (device->controller->write_block_data != NULL)\r
+ (device->controller->write_block_data)(device, data, data_size);\r
+ else\r
+ {\r
+ for (i = 0; i < data_size;)\r
+ {\r
+ if (device->device->options & NAND_BUSWIDTH_16)\r
+ {\r
+ u16 data_buf = le_to_h_u16(data);\r
+ device->controller->write_data(device, data_buf);\r
+ data += 2;\r
+ i += 2;\r
+ }\r
+ else\r
+ {\r
+ device->controller->write_data(device, *data);\r
+ data += 1;\r
+ i += 1;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ \r
+ if (oob)\r
+ {\r
+ if (device->controller->write_block_data != NULL)\r
+ (device->controller->write_block_data)(device, oob, oob_size);\r
+ else\r
+ {\r
+ for (i = 0; i < oob_size;)\r
+ {\r
+ if (device->device->options & NAND_BUSWIDTH_16)\r
+ {\r
+ u16 oob_buf = le_to_h_u16(data);\r
+ device->controller->write_data(device, oob_buf);\r
+ oob += 2;\r
+ i += 2;\r
+ }\r
+ else\r
+ {\r
+ device->controller->write_data(device, *oob);\r
+ oob += 1;\r
+ i += 1;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ \r
+ device->controller->command(device, NAND_CMD_PAGEPROG);\r
+ \r
+ if (!device->controller->nand_ready(device, 100))\r
+ return ERROR_NAND_OPERATION_TIMEOUT;\r
+ \r
+ if ((retval = nand_read_status(device, &status)) != ERROR_OK)\r
+ {\r
+ ERROR("couldn't read status");\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ \r
+ if (status & NAND_STATUS_FAIL)\r
+ {\r
+ ERROR("write operation didn't pass, status: 0x%2.2x", status);\r
+ return ERROR_NAND_OPERATION_FAILED;\r
+ }\r
+ \r
+ return ERROR_OK; \r
+}\r
+\r
+int handle_nand_list_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ nand_device_t *p;\r
+ int i = 0;\r
+ \r
+ if (!nand_devices)\r
+ {\r
+ command_print(cmd_ctx, "no NAND flash devices configured");\r
+ return ERROR_OK;\r
+ }\r
+ \r
+ for (p = nand_devices; p; p = p->next)\r
+ {\r
+ if (p->device)\r
+ command_print(cmd_ctx, "#%i: %s (%s) pagesize: %i, buswidth: %i, erasesize: %i",\r
+ i++, p->device->name, p->manufacturer->name, p->page_size, p->bus_width, p->erase_size);\r
+ else\r
+ command_print(cmd_ctx, "#%i: not probed");\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int handle_nand_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ nand_device_t *p;\r
+ int i = 0;\r
+ int j = 0;\r
+ int first = -1;\r
+ int last = -1;\r
+ \r
+ if ((argc < 1) || (argc > 3))\r
+ {\r
+ return ERROR_COMMAND_SYNTAX_ERROR;\r
+\r
+ }\r
+ \r
+ if (argc == 2)\r
+ {\r
+ first = last = strtoul(args[1], NULL, 0);\r
+ }\r
+ else if (argc == 3)\r
+ {\r
+ first = strtoul(args[1], NULL, 0);\r
+ last = strtoul(args[2], NULL, 0);\r
+ }\r
+ \r
+ p = get_nand_device_by_num(strtoul(args[0], NULL, 0));\r
+ if (p)\r
+ {\r
+ if (p->device)\r
+ {\r
+ if (first >= p->num_blocks)\r
+ first = p->num_blocks - 1;\r
+ \r
+ if (last >= p->num_blocks)\r
+ last = p->num_blocks - 1;\r
+ \r
+ command_print(cmd_ctx, "#%i: %s (%s) pagesize: %i, buswidth: %i, erasesize: %i",\r
+ i++, p->device->name, p->manufacturer->name, p->page_size, p->bus_width, p->erase_size);\r
+ \r
+ for (j = first; j <= last; j++)\r
+ {\r
+ char *erase_state, *bad_state;\r
+ \r
+ if (p->blocks[j].is_erased == 0)\r
+ erase_state = "not erased";\r
+ else if (p->blocks[j].is_erased == 1)\r
+ erase_state = "erased";\r
+ else\r
+ erase_state = "erase state unknown";\r
+ \r
+ if (p->blocks[j].is_bad == 0)\r
+ bad_state = "";\r
+ else if (p->blocks[j].is_bad == 1)\r
+ bad_state = " (marked bad)";\r
+ else\r
+ bad_state = " (block condition unknown)";\r
+\r
+ command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%xkB) %s%s",\r
+ j, p->blocks[j].offset, p->blocks[j].size / 1024,\r
+ erase_state, bad_state);\r
+ }\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "#%i: not probed");\r
+ }\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int handle_nand_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ nand_device_t *p;\r
+ int retval;\r
+ \r
+ if (argc != 1)\r
+ {\r
+ return ERROR_COMMAND_SYNTAX_ERROR;\r
+ }\r
+ \r
+ p = get_nand_device_by_num(strtoul(args[0], NULL, 0));\r
+ if (p)\r
+ {\r
+ if ((retval = nand_probe(p)) == ERROR_OK)\r
+ {\r
+ command_print(cmd_ctx, "NAND flash device '%s' found", p->device->name);\r
+ }\r
+ else if (retval == ERROR_NAND_OPERATION_FAILED)\r
+ {\r
+ command_print(cmd_ctx, "probing failed for NAND flash device");\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "unknown error when probing NAND flash device");\r
+ }\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int handle_nand_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ nand_device_t *p;\r
+ int retval;\r
+ \r
+ if (argc != 3)\r
+ {\r
+ return ERROR_COMMAND_SYNTAX_ERROR;\r
+\r
+ }\r
+ \r
+ p = get_nand_device_by_num(strtoul(args[0], NULL, 0));\r
+ if (p)\r
+ {\r
+ int first = strtoul(args[1], NULL, 0);\r
+ int last = strtoul(args[2], NULL, 0);\r
+ \r
+ if ((retval = nand_erase(p, first, last)) == ERROR_OK)\r
+ {\r
+ command_print(cmd_ctx, "successfully erased blocks %i to %i on NAND flash device '%s'", first, last, p->device->name);\r
+ }\r
+ else if (retval == ERROR_NAND_OPERATION_FAILED)\r
+ {\r
+ command_print(cmd_ctx, "erase failed");\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "unknown error when erasing NAND flash device");\r
+ }\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int handle_nand_check_bad_blocks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ nand_device_t *p;\r
+ int retval;\r
+ int first = -1;\r
+ int last = -1;\r
+ \r
+ if ((argc < 1) || (argc > 3) || (argc == 2))\r
+ {\r
+ return ERROR_COMMAND_SYNTAX_ERROR;\r
+\r
+ }\r
+ \r
+ if (argc == 3)\r
+ {\r
+ first = strtoul(args[1], NULL, 0);\r
+ last = strtoul(args[2], NULL, 0);\r
+ }\r
+ \r
+ p = get_nand_device_by_num(strtoul(args[0], NULL, 0));\r
+ if (p)\r
+ {\r
+ if ((retval = nand_build_bbt(p, first, last)) == ERROR_OK)\r
+ {\r
+ command_print(cmd_ctx, "checked NAND flash device for bad blocks, use \"nand info\" command to list blocks", p->device->name);\r
+ }\r
+ else if (retval == ERROR_NAND_OPERATION_FAILED)\r
+ {\r
+ command_print(cmd_ctx, "error when checking for bad blocks on NAND flash device");\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "unknown error when checking for bad blocks on NAND flash device");\r
+ }\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int handle_nand_copy_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ nand_device_t *p;\r
+ \r
+ if (argc != 4)\r
+ {\r
+ return ERROR_COMMAND_SYNTAX_ERROR;\r
+\r
+ }\r
+ \r
+ p = get_nand_device_by_num(strtoul(args[0], NULL, 0));\r
+ if (p)\r
+ {\r
+\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int handle_nand_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ u32 offset;\r
+ u32 binary_size;\r
+ u32 buf_cnt;\r
+ enum oob_formats oob_format = NAND_OOB_NONE;\r
+ \r
+ fileio_t fileio;\r
+ \r
+ duration_t duration;\r
+ char *duration_text;\r
+ \r
+ nand_device_t *p;\r
+ \r
+ if (argc < 3)\r
+ {\r
+ return ERROR_COMMAND_SYNTAX_ERROR;\r
+\r
+ }\r
+ \r
+ p = get_nand_device_by_num(strtoul(args[0], NULL, 0));\r
+ if (p)\r
+ {\r
+ u8 *page = NULL;\r
+ u32 page_size = 0;\r
+ u8 *oob = NULL;\r
+ u32 oob_size = 0;\r
+ \r
+ duration_start_measure(&duration);\r
+ offset = strtoul(args[2], NULL, 0);\r
+ \r
+ if (argc > 3)\r
+ {\r
+ int i;\r
+ for (i = 3; i < argc; i++)\r
+ {\r
+ if (!strcmp(args[i], "oob_raw"))\r
+ oob_format |= NAND_OOB_RAW;\r
+ else if (!strcmp(args[i], "oob_only"))\r
+ oob_format |= NAND_OOB_RAW | NAND_OOB_ONLY;\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "unknown option: %s", args[i]);\r
+ }\r
+ }\r
+ }\r
+ \r
+ if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)\r
+ {\r
+ command_print(cmd_ctx, "file open error: %s", fileio.error_str);\r
+ return ERROR_OK;\r
+ }\r
+ \r
+ buf_cnt = binary_size = fileio.size;\r
+ \r
+ if (!(oob_format & NAND_OOB_ONLY))\r
+ {\r
+ page_size = p->page_size;\r
+ page = malloc(p->page_size);\r
+ }\r
+\r
+ if (oob_format & NAND_OOB_RAW)\r
+ {\r
+ if (p->page_size == 512)\r
+ oob_size = 16;\r
+ else if (p->page_size == 2048)\r
+ oob_size = 64;\r
+ oob = malloc(oob_size);\r
+ }\r
+ \r
+ if (offset % p->page_size)\r
+ {\r
+ command_print(cmd_ctx, "only page size aligned offsets and sizes are supported");\r
+ return ERROR_OK;\r
+ }\r
+ \r
+ while (buf_cnt > 0)\r
+ {\r
+ u32 size_read;\r
+ \r
+ if (page)\r
+ {\r
+ fileio_read(&fileio, page_size, page, &size_read);\r
+ buf_cnt -= size_read;\r
+ if (size_read < page_size)\r
+ {\r
+ memset(page + size_read, 0xff, page_size - size_read);\r
+ }\r
+ }\r
+ \r
+ if (oob)\r
+ {\r
+ fileio_read(&fileio, oob_size, oob, &size_read);\r
+ buf_cnt -= size_read;\r
+ if (size_read < oob_size)\r
+ {\r
+ memset(oob + size_read, 0xff, oob_size - size_read);\r
+ }\r
+ }\r
+ \r
+ if (nand_write_page(p, offset / p->page_size, page, page_size, oob, oob_size) != ERROR_OK)\r
+ {\r
+ command_print(cmd_ctx, "failed writing file %s to NAND flash %s at offset 0x%8.8x",\r
+ args[1], args[0], offset);\r
+ return ERROR_OK;\r
+ }\r
+ offset += page_size;\r
+ }\r
+\r
+ fileio_close(&fileio);\r
+ \r
+ duration_stop_measure(&duration, &duration_text);\r
+ command_print(cmd_ctx, "wrote file %s to NAND flash %s at offset 0x%8.8x in %s",\r
+ args[1], args[0], offset, duration_text);\r
+ free(duration_text);\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int handle_nand_dump_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ nand_device_t *p;\r
+ \r
+ if (argc < 4)\r
+ {\r
+ return ERROR_COMMAND_SYNTAX_ERROR;\r
+ }\r
+ \r
+ p = get_nand_device_by_num(strtoul(args[0], NULL, 0));\r
+ if (p)\r
+ {\r
+ if (p->device)\r
+ {\r
+ fileio_t fileio;\r
+ duration_t duration;\r
+ char *duration_text;\r
+ int retval;\r
+ \r
+ u8 *page = NULL;\r
+ u32 page_size = 0;\r
+ u8 *oob = NULL;\r
+ u32 oob_size = 0;\r
+ u32 address = strtoul(args[2], NULL, 0);\r
+ u32 size = strtoul(args[3], NULL, 0);\r
+ u32 bytes_done = 0;\r
+ enum oob_formats oob_format = NAND_OOB_NONE;\r
+ \r
+ if (argc > 4)\r
+ {\r
+ int i;\r
+ for (i = 4; i < argc; i++)\r
+ {\r
+ if (!strcmp(args[i], "oob_raw"))\r
+ oob_format |= NAND_OOB_RAW;\r
+ else if (!strcmp(args[i], "oob_only"))\r
+ oob_format |= NAND_OOB_RAW | NAND_OOB_ONLY;\r
+ else\r
+ command_print(cmd_ctx, "unknown option: '%s'", args[i]); \r
+ }\r
+ }\r
+ \r
+ if ((address % p->page_size) || (size % p->page_size))\r
+ {\r
+ command_print(cmd_ctx, "only page size aligned addresses and sizes are supported");\r
+ return ERROR_OK;\r
+ }\r
+ \r
+ if (!(oob_format & NAND_OOB_ONLY))\r
+ {\r
+ page_size = p->page_size;\r
+ page = malloc(p->page_size);\r
+ }\r
+\r
+ if (oob_format & NAND_OOB_RAW)\r
+ {\r
+ if (p->page_size == 512)\r
+ oob_size = 16;\r
+ else if (p->page_size == 2048)\r
+ oob_size = 64;\r
+ oob = malloc(oob_size);\r
+ }\r
+ \r
+ if (fileio_open(&fileio, args[1], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)\r
+ {\r
+ command_print(cmd_ctx, "dump_image error: %s", fileio.error_str);\r
+ return ERROR_OK;\r
+ }\r
+ \r
+ duration_start_measure(&duration);\r
+ \r
+ while (size > 0)\r
+ {\r
+ u32 size_written;\r
+ if ((retval = nand_read_page(p, address / p->page_size, page, page_size, oob, oob_size)) != ERROR_OK)\r
+ {\r
+ command_print(cmd_ctx, "reading NAND flash page failed");\r
+ return ERROR_OK;\r
+ }\r
+ \r
+ if (page)\r
+ {\r
+ fileio_write(&fileio, page_size, page, &size_written);\r
+ bytes_done += page_size;\r
+ }\r
+ \r
+ if (oob)\r
+ {\r
+ fileio_write(&fileio, oob_size, oob, &size_written);\r
+ bytes_done += oob_size;\r
+ }\r
+ \r
+ size -= p->page_size;\r
+ address += p->page_size;\r
+ }\r
+ \r
+ if (page)\r
+ free(page);\r
+ \r
+ if (oob)\r
+ free(oob);\r
+ \r
+ fileio_close(&fileio);\r
+\r
+ duration_stop_measure(&duration, &duration_text);\r
+ command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);\r
+ free(duration_text);\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "#%i: not probed");\r
+ }\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int handle_nand_raw_access_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ nand_device_t *p;\r
+ \r
+ if ((argc < 1) || (argc > 2))\r
+ {\r
+ return ERROR_COMMAND_SYNTAX_ERROR;\r
+ }\r
+ \r
+ p = get_nand_device_by_num(strtoul(args[0], NULL, 0));\r
+ if (p)\r
+ {\r
+ if (p->device)\r
+ {\r
+ if (argc == 2)\r
+ {\r
+ if (strcmp("enable", args[1]) == 0)\r
+ {\r
+ p->use_raw = 1;\r
+ }\r
+ else if (strcmp("disable", args[1]) == 0)\r
+ {\r
+ p->use_raw = 0;\r
+ }\r
+ else\r
+ {\r
+ return ERROR_COMMAND_SYNTAX_ERROR;\r
+ }\r
+ }\r
+ \r
+ command_print(cmd_ctx, "raw access is %s", (p->use_raw) ? "enabled" : "disabled");\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "#%i: not probed");\r
+ }\r
+ }\r
+ else\r
+ {\r
+ command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r