diff options
Diffstat (limited to 'src/flash')
-rw-r--r-- | src/flash/Makefile.am | 1 | ||||
-rw-r--r-- | src/flash/flash.c | 216 | ||||
-rw-r--r-- | src/flash/nor/core.c | 191 |
3 files changed, 187 insertions, 221 deletions
diff --git a/src/flash/Makefile.am b/src/flash/Makefile.am index cda59e4..b5cd526 100644 --- a/src/flash/Makefile.am +++ b/src/flash/Makefile.am @@ -9,7 +9,6 @@ METASOURCES = AUTO noinst_LTLIBRARIES = libflash.la libflash_la_SOURCES = \ common.c \ - flash.c \ arm_nandio.c \ nand_ecc.c \ nand_ecc_kw.c \ diff --git a/src/flash/flash.c b/src/flash/flash.c deleted file mode 100644 index dfeea5b..0000000 --- a/src/flash/flash.c +++ /dev/null @@ -1,216 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2005 by Dominic Rath * - * Dominic.Rath@gmx.de * - * * - * Copyright (C) 2007,2008 Øyvind Harboe * - * oyvind.harboe@zylin.com * - * * - * Copyright (C) 2008 by Spencer Oliver * - * spen@spen-soft.co.uk * - * * - * 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 "common.h" -#include <target/image.h> -#include <helper/time_support.h> - -struct flash_bank *flash_banks; - -struct flash_bank *get_flash_bank_by_num_noprobe(int num) -{ - struct flash_bank *p; - int i = 0; - - for (p = flash_banks; p; p = p->next) - { - if (i++ == num) - { - return p; - } - } - LOG_ERROR("flash bank %d does not exist", num); - return NULL; -} - -int flash_get_bank_count(void) -{ - struct flash_bank *p; - int i = 0; - for (p = flash_banks; p; p = p->next) - { - i++; - } - return i; -} - -struct flash_bank *get_flash_bank_by_name(const char *name) -{ - unsigned requested = get_flash_name_index(name); - unsigned found = 0; - - struct flash_bank *bank; - for (bank = flash_banks; NULL != bank; bank = bank->next) - { - if (strcmp(bank->name, name) == 0) - return bank; - if (!flash_driver_name_matches(bank->driver->name, name)) - continue; - if (++found < requested) - continue; - return bank; - } - return NULL; -} - -struct flash_bank *get_flash_bank_by_num(int num) -{ - struct flash_bank *p = get_flash_bank_by_num_noprobe(num); - int retval; - - if (p == NULL) - return NULL; - - retval = p->driver->auto_probe(p); - - if (retval != ERROR_OK) - { - LOG_ERROR("auto_probe failed %d\n", retval); - return NULL; - } - return p; -} - -/* lookup flash bank by address */ -struct flash_bank *get_flash_bank_by_addr(struct target *target, uint32_t addr) -{ - struct flash_bank *c; - - /* cycle through bank list */ - for (c = flash_banks; c; c = c->next) - { - int retval; - retval = c->driver->auto_probe(c); - - if (retval != ERROR_OK) - { - LOG_ERROR("auto_probe failed %d\n", retval); - return NULL; - } - /* check whether address belongs to this flash bank */ - if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target) - return c; - } - LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr); - return NULL; -} - -int default_flash_mem_blank_check(struct flash_bank *bank) -{ - struct target *target = bank->target; - const int buffer_size = 1024; - int i; - uint32_t nBytes; - int retval = ERROR_OK; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - uint8_t *buffer = malloc(buffer_size); - - for (i = 0; i < bank->num_sectors; i++) - { - uint32_t j; - bank->sectors[i].is_erased = 1; - - for (j = 0; j < bank->sectors[i].size; j += buffer_size) - { - uint32_t chunk; - chunk = buffer_size; - if (chunk > (j - bank->sectors[i].size)) - { - chunk = (j - bank->sectors[i].size); - } - - retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer); - if (retval != ERROR_OK) - { - goto done; - } - - for (nBytes = 0; nBytes < chunk; nBytes++) - { - if (buffer[nBytes] != 0xFF) - { - bank->sectors[i].is_erased = 0; - break; - } - } - } - } - - done: - free(buffer); - - return retval; -} - -int default_flash_blank_check(struct flash_bank *bank) -{ - struct target *target = bank->target; - int i; - int retval; - int fast_check = 0; - uint32_t blank; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - for (i = 0; i < bank->num_sectors; i++) - { - uint32_t address = bank->base + bank->sectors[i].offset; - uint32_t size = bank->sectors[i].size; - - if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK) - { - fast_check = 0; - break; - } - if (blank == 0xFF) - bank->sectors[i].is_erased = 1; - else - bank->sectors[i].is_erased = 0; - fast_check = 1; - } - - if (!fast_check) - { - LOG_USER("Running slow fallback erase check - add working memory"); - return default_flash_mem_blank_check(bank); - } - - return ERROR_OK; -} diff --git a/src/flash/nor/core.c b/src/flash/nor/core.c index 0fff8ef..c2ea134 100644 --- a/src/flash/nor/core.c +++ b/src/flash/nor/core.c @@ -1,4 +1,7 @@ /*************************************************************************** + * Copyright (C) 2005 by Dominic Rath <Dominic.Rath@gmx.de> * + * Copyright (C) 2007,2008 Øyvind Harboe <oyvind.harboe@zylin.com> * + * Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk> * * Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> * * * * This program is free software; you can redistribute it and/or modify * @@ -20,12 +23,13 @@ #ifdef HAVE_CONFIG_H #include <config.h> #endif -#include <flash/flash.h> +#include <flash/common.h> +#include <flash/nor/core.h> #include <flash/nor/imp.h> #include <target/image.h> -// in flash.c, to be moved here -extern struct flash_bank *flash_banks; + +struct flash_bank *flash_banks; int flash_driver_erase(struct flash_bank *bank, int first, int last) { @@ -68,7 +72,6 @@ int flash_driver_write(struct flash_bank *bank, return retval; } - void flash_bank_add(struct flash_bank *bank) { /* put flash bank in linked list */ @@ -96,6 +99,186 @@ struct flash_bank *flash_bank_list(void) return flash_banks; } +struct flash_bank *get_flash_bank_by_num_noprobe(int num) +{ + struct flash_bank *p; + int i = 0; + + for (p = flash_banks; p; p = p->next) + { + if (i++ == num) + { + return p; + } + } + LOG_ERROR("flash bank %d does not exist", num); + return NULL; +} + +int flash_get_bank_count(void) +{ + struct flash_bank *p; + int i = 0; + for (p = flash_banks; p; p = p->next) + { + i++; + } + return i; +} + +struct flash_bank *get_flash_bank_by_name(const char *name) +{ + unsigned requested = get_flash_name_index(name); + unsigned found = 0; + + struct flash_bank *bank; + for (bank = flash_banks; NULL != bank; bank = bank->next) + { + if (strcmp(bank->name, name) == 0) + return bank; + if (!flash_driver_name_matches(bank->driver->name, name)) + continue; + if (++found < requested) + continue; + return bank; + } + return NULL; +} + +struct flash_bank *get_flash_bank_by_num(int num) +{ + struct flash_bank *p = get_flash_bank_by_num_noprobe(num); + int retval; + + if (p == NULL) + return NULL; + + retval = p->driver->auto_probe(p); + + if (retval != ERROR_OK) + { + LOG_ERROR("auto_probe failed %d\n", retval); + return NULL; + } + return p; +} + +/* lookup flash bank by address */ +struct flash_bank *get_flash_bank_by_addr(struct target *target, uint32_t addr) +{ + struct flash_bank *c; + + /* cycle through bank list */ + for (c = flash_banks; c; c = c->next) + { + int retval; + retval = c->driver->auto_probe(c); + + if (retval != ERROR_OK) + { + LOG_ERROR("auto_probe failed %d\n", retval); + return NULL; + } + /* check whether address belongs to this flash bank */ + if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target) + return c; + } + LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr); + return NULL; +} + +int default_flash_mem_blank_check(struct flash_bank *bank) +{ + struct target *target = bank->target; + const int buffer_size = 1024; + int i; + uint32_t nBytes; + int retval = ERROR_OK; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + uint8_t *buffer = malloc(buffer_size); + + for (i = 0; i < bank->num_sectors; i++) + { + uint32_t j; + bank->sectors[i].is_erased = 1; + + for (j = 0; j < bank->sectors[i].size; j += buffer_size) + { + uint32_t chunk; + chunk = buffer_size; + if (chunk > (j - bank->sectors[i].size)) + { + chunk = (j - bank->sectors[i].size); + } + + retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer); + if (retval != ERROR_OK) + { + goto done; + } + + for (nBytes = 0; nBytes < chunk; nBytes++) + { + if (buffer[nBytes] != 0xFF) + { + bank->sectors[i].is_erased = 0; + break; + } + } + } + } + + done: + free(buffer); + + return retval; +} + +int default_flash_blank_check(struct flash_bank *bank) +{ + struct target *target = bank->target; + int i; + int retval; + int fast_check = 0; + uint32_t blank; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + for (i = 0; i < bank->num_sectors; i++) + { + uint32_t address = bank->base + bank->sectors[i].offset; + uint32_t size = bank->sectors[i].size; + + if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK) + { + fast_check = 0; + break; + } + if (blank == 0xFF) + bank->sectors[i].is_erased = 1; + else + bank->sectors[i].is_erased = 0; + fast_check = 1; + } + + if (!fast_check) + { + LOG_USER("Running slow fallback erase check - add working memory"); + return default_flash_mem_blank_check(bank); + } + + return ERROR_OK; +} /* erase given flash region, selects proper bank according to target and address */ static int flash_iterate_address_range(struct target *target, uint32_t addr, uint32_t length, int (*callback)(struct flash_bank *bank, int first, int last)) |