Move remaining NOR flash implemenation into flash/nor/core.c Removes flash.c from the build, leaving only its header to split.tags/v0.4.0-rc1
@@ -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 \ | |||
@@ -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; | |||
} |
@@ -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)) | |||