#include "binarybuffer.h"
-static int cfi_register_commands(struct command_context_s *cmd_ctx);
-static int cfi_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-static int cfi_erase(struct flash_bank_s *bank, int first, int last);
-static int cfi_protect(struct flash_bank_s *bank, int set, int first, int last);
-static int cfi_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
-static int cfi_probe(struct flash_bank_s *bank);
-static int cfi_auto_probe(struct flash_bank_s *bank);
-static int cfi_protect_check(struct flash_bank_s *bank);
-static int cfi_info(struct flash_bank_s *bank, char *buf, int buf_size);
-
-//static int cfi_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
#define CFI_MAX_BUS_WIDTH 4
#define CFI_MAX_CHIP_WIDTH 4
/* defines internal maximum size for code fragment in cfi_intel_write_block() */
#define CFI_MAX_INTEL_CODESIZE 256
-flash_driver_t cfi_flash =
-{
- .name = "cfi",
- .register_commands = cfi_register_commands,
- .flash_bank_command = cfi_flash_bank_command,
- .erase = cfi_erase,
- .protect = cfi_protect,
- .write = cfi_write,
- .probe = cfi_probe,
- .auto_probe = cfi_auto_probe,
- .erase_check = default_flash_blank_check,
- .protect_check = cfi_protect_check,
- .info = cfi_info
-};
-
-static cfi_unlock_addresses_t cfi_unlock_addresses[] =
+static struct cfi_unlock_addresses cfi_unlock_addresses[] =
{
[CFI_UNLOCK_555_2AA] = { .unlock1 = 0x555, .unlock2 = 0x2aa },
[CFI_UNLOCK_5555_2AAA] = { .unlock1 = 0x5555, .unlock2 = 0x2aaa },
static void cfi_fixup_atmel_reversed_erase_regions(flash_bank_t *flash, void *param);
/* fixup after reading cmdset 0002 primary query table */
-static const cfi_fixup_t cfi_0002_fixups[] = {
+static const struct cfi_fixup cfi_0002_fixups[] = {
{CFI_MFR_SST, 0x00D4, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x00D5, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x00D6, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
};
/* fixup after reading cmdset 0001 primary query table */
-static const cfi_fixup_t cfi_0001_fixups[] = {
+static const struct cfi_fixup cfi_0001_fixups[] = {
{0, 0, NULL, NULL}
};
-static void cfi_fixup(flash_bank_t *bank, const cfi_fixup_t *fixups)
+static void cfi_fixup(flash_bank_t *bank, const struct cfi_fixup *fixups)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- const cfi_fixup_t *f;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ const struct cfi_fixup *f;
for (f = fixups; f->fixup; f++)
{
/* inline uint32_t flash_address(flash_bank_t *bank, int sector, uint32_t offset) */
static __inline__ uint32_t flash_address(flash_bank_t *bank, int sector, uint32_t offset)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
if (cfi_info->x16_as_x8) offset *= 2;
*/
static uint8_t cfi_query_u8(flash_bank_t *bank, int sector, uint32_t offset)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
uint8_t data[CFI_MAX_BUS_WIDTH];
target_read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 1, data);
*/
static uint8_t cfi_get_u8(flash_bank_t *bank, int sector, uint32_t offset)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
uint8_t data[CFI_MAX_BUS_WIDTH];
int i;
static uint16_t cfi_query_u16(flash_bank_t *bank, int sector, uint32_t offset)
{
- target_t *target = bank->target;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
uint8_t data[CFI_MAX_BUS_WIDTH * 2];
if (cfi_info->x16_as_x8)
static uint32_t cfi_query_u32(flash_bank_t *bank, int sector, uint32_t offset)
{
- target_t *target = bank->target;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
uint8_t data[CFI_MAX_BUS_WIDTH * 4];
if (cfi_info->x16_as_x8)
static void cfi_intel_clear_status_register(flash_bank_t *bank)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
uint8_t command[8];
if (target->state != TARGET_HALTED)
int cfi_spansion_wait_status_busy(flash_bank_t *bank, int timeout)
{
uint8_t status, oldstatus;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
oldstatus = cfi_get_u8(bank, 0, 0x0);
static int cfi_read_intel_pri_ext(flash_bank_t *bank)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_intel_pri_ext_t *pri_ext = malloc(sizeof(cfi_intel_pri_ext_t));
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_intel_pri_ext *pri_ext = malloc(sizeof(struct cfi_intel_pri_ext));
+ struct target *target = bank->target;
uint8_t command[8];
cfi_info->pri_ext = pri_ext;
static int cfi_read_spansion_pri_ext(flash_bank_t *bank)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = malloc(sizeof(cfi_spansion_pri_ext_t));
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = malloc(sizeof(struct cfi_spansion_pri_ext));
+ struct target *target = bank->target;
uint8_t command[8];
cfi_info->pri_ext = pri_ext;
static int cfi_read_atmel_pri_ext(flash_bank_t *bank)
{
int retval;
- cfi_atmel_pri_ext_t atmel_pri_ext;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = malloc(sizeof(cfi_spansion_pri_ext_t));
- target_t *target = bank->target;
+ struct cfi_atmel_pri_ext atmel_pri_ext;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = malloc(sizeof(struct cfi_spansion_pri_ext));
+ struct target *target = bank->target;
uint8_t command[8];
/* ATMEL devices use the same CFI primary command set (0x2) as AMD/Spansion,
* We read the atmel table, and prepare a valid AMD/Spansion query table.
*/
- memset(pri_ext, 0, sizeof(cfi_spansion_pri_ext_t));
+ memset(pri_ext, 0, sizeof(struct cfi_spansion_pri_ext));
cfi_info->pri_ext = pri_ext;
static int cfi_read_0002_pri_ext(flash_bank_t *bank)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
if (cfi_info->manufacturer == CFI_MFR_ATMEL)
{
static int cfi_spansion_info(struct flash_bank_s *bank, char *buf, int buf_size)
{
int printed;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
printed = snprintf(buf, buf_size, "\nSpansion primary algorithm extend information:\n");
buf += printed;
static int cfi_intel_info(struct flash_bank_s *bank, char *buf, int buf_size)
{
int printed;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_intel_pri_ext_t *pri_ext = cfi_info->pri_ext;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_intel_pri_ext *pri_ext = cfi_info->pri_ext;
printed = snprintf(buf, buf_size, "\nintel primary algorithm extend information:\n");
buf += printed;
/* flash_bank cfi <base> <size> <chip_width> <bus_width> <target#> [options]
*/
-static int cfi_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
+FLASH_BANK_COMMAND_HANDLER(cfi_flash_bank_command)
{
- cfi_flash_bank_t *cfi_info;
- int i;
- (void) cmd_ctx;
- (void) cmd;
+ struct cfi_flash_bank *cfi_info;
if (argc < 6)
{
return ERROR_FLASH_BANK_INVALID;
}
- if ((strtoul(args[4], NULL, 0) > CFI_MAX_CHIP_WIDTH)
- || (strtoul(args[3], NULL, 0) > CFI_MAX_BUS_WIDTH))
+ uint16_t chip_width, bus_width;
+ COMMAND_PARSE_NUMBER(u16, args[3], bus_width);
+ COMMAND_PARSE_NUMBER(u16, args[4], chip_width);
+
+ if ((chip_width > CFI_MAX_CHIP_WIDTH)
+ || (bus_width > CFI_MAX_BUS_WIDTH))
{
LOG_ERROR("chip and bus width have to specified in bytes");
return ERROR_FLASH_BANK_INVALID;
}
- cfi_info = malloc(sizeof(cfi_flash_bank_t));
+ cfi_info = malloc(sizeof(struct cfi_flash_bank));
cfi_info->probed = 0;
bank->driver_priv = cfi_info;
cfi_info->jedec_probe = 0;
cfi_info->not_cfi = 0;
- for (i = 6; i < argc; i++)
+ for (unsigned i = 6; i < argc; i++)
{
if (strcmp(args[i], "x16_as_x8") == 0)
{
static int cfi_intel_erase(struct flash_bank_s *bank, int first, int last)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
uint8_t command[8];
int i;
static int cfi_spansion_erase(struct flash_bank_s *bank, int first, int last)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
+ struct target *target = bank->target;
uint8_t command[8];
int i;
static int cfi_erase(struct flash_bank_s *bank, int first, int last)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
if (bank->target->state != TARGET_HALTED)
{
static int cfi_intel_protect(struct flash_bank_s *bank, int set, int first, int last)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_intel_pri_ext_t *pri_ext = cfi_info->pri_ext;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_intel_pri_ext *pri_ext = cfi_info->pri_ext;
+ struct target *target = bank->target;
uint8_t command[8];
int retry = 0;
int i;
static int cfi_protect(struct flash_bank_s *bank, int set, int first, int last)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
if (bank->target->state != TARGET_HALTED)
{
/* FIXME Replace this by a simple memcpy() - still unsure about sideeffects */
static void cfi_add_byte(struct flash_bank_s *bank, uint8_t *word, uint8_t byte)
{
- /* target_t *target = bank->target; */
+ /* struct target *target = bank->target; */
int i;
/* Convert code image to target endian */
/* FIXME create general block conversion fcts in target.c?) */
-static void cfi_fix_code_endian(target_t *target, uint8_t *dest, const uint32_t *src, uint32_t count)
+static void cfi_fix_code_endian(struct target *target, uint8_t *dest, const uint32_t *src, uint32_t count)
{
uint32_t i;
for (i = 0; i< count; i++)
static uint32_t cfi_command_val(flash_bank_t *bank, uint8_t cmd)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
uint8_t buf[CFI_MAX_BUS_WIDTH];
cfi_command(bank, cmd, buf);
static int cfi_intel_write_block(struct flash_bank_s *bank, uint8_t *buffer, uint32_t address, uint32_t count)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- target_t *target = bank->target;
- reg_param_t reg_params[7];
- armv4_5_algorithm_t armv4_5_info;
- working_area_t *source;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
+ struct reg_param reg_params[7];
+ struct armv4_5_algorithm armv4_5_info;
+ struct working_area *source;
uint32_t buffer_size = 32768;
uint32_t write_command_val, busy_pattern_val, error_pattern_val;
armv4_5_info.core_state = ARMV4_5_STATE_ARM;
/* If we are setting up the write_algorith, we need target_code_src */
- /* if not we only need target_code_size. */
- /* */
- /* However, we don't want to create multiple code paths, so we */
- /* do the unecessary evaluation of target_code_src, which the */
- /* compiler will probably nicely optimize away if not needed */
+ /* if not we only need target_code_size. */
+
+ /* However, we don't want to create multiple code paths, so we */
+ /* do the unecessary evaluation of target_code_src, which the */
+ /* compiler will probably nicely optimize away if not needed */
/* prepare algorithm code for target endian */
switch (bank->bus_width)
static int cfi_spansion_write_block(struct flash_bank_s *bank, uint8_t *buffer, uint32_t address, uint32_t count)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
- target_t *target = bank->target;
- reg_param_t reg_params[10];
- armv4_5_algorithm_t armv4_5_info;
- working_area_t *source;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
+ struct target *target = bank->target;
+ struct reg_param reg_params[10];
+ struct armv4_5_algorithm armv4_5_info;
+ struct working_area *source;
uint32_t buffer_size = 32768;
uint32_t status;
int retval, retvaltemp;
armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
armv4_5_info.core_state = ARMV4_5_STATE_ARM;
- /* flash write code */
int target_code_size;
+ const uint32_t *target_code_src;
+
+ switch (bank->bus_width)
+ {
+ case 1 :
+ target_code_src = word_8_code;
+ target_code_size = sizeof(word_8_code);
+ break;
+ case 2 :
+ /* Check for DQ5 support */
+ if( cfi_info->status_poll_mask & (1 << 5) )
+ {
+ target_code_src = word_16_code;
+ target_code_size = sizeof(word_16_code);
+ }
+ else
+ {
+ /* No DQ5 support. Use DQ7 DATA# polling only. */
+ target_code_src = word_16_code_dq7only;
+ target_code_size = sizeof(word_16_code_dq7only);
+ }
+ break;
+ case 4 :
+ target_code_src = word_32_code;
+ target_code_size = sizeof(word_32_code);
+ break;
+ default:
+ LOG_ERROR("Unsupported bank buswidth %d, can't do block memory writes", bank->bus_width);
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ }
+
+ /* flash write code */
if (!cfi_info->write_algorithm)
{
uint8_t *target_code;
- const uint32_t *src;
/* convert bus-width dependent algorithm code to correct endiannes */
- switch (bank->bus_width)
- {
- case 1:
- src = word_8_code;
- target_code_size = sizeof(word_8_code);
- break;
- case 2:
- /* Check for DQ5 support */
- if( cfi_info->status_poll_mask & (1 << 5) )
- {
- src = word_16_code;
- target_code_size = sizeof(word_16_code);
- }
- else
- {
- /* No DQ5 support. Use DQ7 DATA# polling only. */
- src = word_16_code_dq7only;
- target_code_size = sizeof(word_16_code_dq7only);
- }
- break;
- case 4:
- src = word_32_code;
- target_code_size = sizeof(word_32_code);
- break;
- default:
- LOG_ERROR("Unsupported bank buswidth %d, can't do block memory writes", bank->bus_width);
- return ERROR_FLASH_OPERATION_FAILED;
- }
target_code = malloc(target_code_size);
- cfi_fix_code_endian(target, target_code, src, target_code_size / 4);
+ cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
/* allocate working area */
retval = target_alloc_working_area(target, target_code_size,
static int cfi_intel_write_word(struct flash_bank_s *bank, uint8_t *word, uint32_t address)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
uint8_t command[8];
cfi_intel_clear_status_register(bank);
static int cfi_intel_write_words(struct flash_bank_s *bank, uint8_t *word, uint32_t wordcount, uint32_t address)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
uint8_t command[8];
/* Calculate buffer size and boundary mask */
static int cfi_spansion_write_word(struct flash_bank_s *bank, uint8_t *word, uint32_t address)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
+ struct target *target = bank->target;
uint8_t command[8];
cfi_command(bank, 0xaa, command);
static int cfi_spansion_write_words(struct flash_bank_s *bank, uint8_t *word, uint32_t wordcount, uint32_t address)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
uint8_t command[8];
- cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
+ struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
/* Calculate buffer size and boundary mask */
uint32_t buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width);
static int cfi_write_word(struct flash_bank_s *bank, uint8_t *word, uint32_t address)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
switch (cfi_info->pri_id)
{
static int cfi_write_words(struct flash_bank_s *bank, uint8_t *word, uint32_t wordcount, uint32_t address)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
switch (cfi_info->pri_id)
{
int cfi_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
uint32_t address = bank->base + offset; /* address of first byte to be programmed */
uint32_t write_p, copy_p;
int align; /* number of unaligned bytes */
static void cfi_fixup_atmel_reversed_erase_regions(flash_bank_t *bank, void *param)
{
(void) param;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
pri_ext->_reversed_geometry = 1;
}
static void cfi_fixup_0002_erase_regions(flash_bank_t *bank, void *param)
{
int i;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
(void) param;
if ((pri_ext->_reversed_geometry) || (pri_ext->TopBottom == 3))
static void cfi_fixup_0002_unlock_addresses(flash_bank_t *bank, void *param)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
- cfi_unlock_addresses_t *unlock_addresses = param;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
+ struct cfi_unlock_addresses *unlock_addresses = param;
pri_ext->_unlock1 = unlock_addresses->unlock1;
pri_ext->_unlock2 = unlock_addresses->unlock2;
}
+
+static int cfi_query_string(struct flash_bank_s *bank, int address)
+{
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
+ int retval;
+ uint8_t command[8];
+
+ cfi_command(bank, 0x98, command);
+ if ((retval = target_write_memory(target, flash_address(bank, 0, address), bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ cfi_info->qry[0] = cfi_query_u8(bank, 0, 0x10);
+ cfi_info->qry[1] = cfi_query_u8(bank, 0, 0x11);
+ cfi_info->qry[2] = cfi_query_u8(bank, 0, 0x12);
+
+ LOG_DEBUG("CFI qry returned: 0x%2.2x 0x%2.2x 0x%2.2x", cfi_info->qry[0], cfi_info->qry[1], cfi_info->qry[2]);
+
+ if ((cfi_info->qry[0] != 'Q') || (cfi_info->qry[1] != 'R') || (cfi_info->qry[2] != 'Y'))
+ {
+ cfi_command(bank, 0xf0, command);
+ if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+ cfi_command(bank, 0xff, command);
+ if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+ LOG_ERROR("Could not probe bank: no QRY");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ return ERROR_OK;
+}
+
static int cfi_probe(struct flash_bank_s *bank)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct target *target = bank->target;
uint8_t command[8];
int num_sectors = 0;
int i;
*/
if (cfi_info->not_cfi == 0)
{
+ int retval;
+
/* enter CFI query mode
* according to JEDEC Standard No. 68.01,
* a single bus sequence with address = 0x55, data = 0x98 should put
*
* SST flashes clearly violate this, and we will consider them incompatbile for now
*/
- cfi_command(bank, 0x98, command);
- if ((retval = target_write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK)
- {
- return retval;
- }
-
- cfi_info->qry[0] = cfi_query_u8(bank, 0, 0x10);
- cfi_info->qry[1] = cfi_query_u8(bank, 0, 0x11);
- cfi_info->qry[2] = cfi_query_u8(bank, 0, 0x12);
-
- LOG_DEBUG("CFI qry returned: 0x%2.2x 0x%2.2x 0x%2.2x", cfi_info->qry[0], cfi_info->qry[1], cfi_info->qry[2]);
- if ((cfi_info->qry[0] != 'Q') || (cfi_info->qry[1] != 'R') || (cfi_info->qry[2] != 'Y'))
+ retval = cfi_query_string(bank, 0x55);
+ if (retval != ERROR_OK)
{
- cfi_command(bank, 0xf0, command);
- if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK)
- {
- return retval;
- }
- cfi_command(bank, 0xff, command);
- if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK)
- {
- return retval;
- }
- LOG_ERROR("Could not probe bank: no QRY");
- return ERROR_FLASH_BANK_INVALID;
+ /*
+ * Spansion S29WS-N CFI query fix is to try 0x555 if 0x55 fails. Should
+ * be harmless enough:
+ *
+ * http://www.infradead.org/pipermail/linux-mtd/2005-September/013618.html
+ */
+ LOG_USER("Try workaround w/0x555 instead of 0x55 to get QRY.");
+ retval = cfi_query_string(bank, 0x555);
}
+ if (retval != ERROR_OK)
+ return retval;
cfi_info->pri_id = cfi_query_u16(bank, 0, 0x13);
cfi_info->pri_addr = cfi_query_u16(bank, 0, 0x15);
{
/* a device might have only one erase block, spanning the whole device */
bank->num_sectors = 1;
- bank->sectors = malloc(sizeof(flash_sector_t));
+ bank->sectors = malloc(sizeof(struct flash_sector));
bank->sectors[sector].offset = 0x0;
bank->sectors[sector].size = bank->size;
}
bank->num_sectors = num_sectors;
- bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
+ bank->sectors = malloc(sizeof(struct flash_sector) * num_sectors);
for (i = 0; i < cfi_info->num_erase_regions; i++)
{
static int cfi_auto_probe(struct flash_bank_s *bank)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
if (cfi_info->probed)
return ERROR_OK;
return cfi_probe(bank);
static int cfi_intel_protect_check(struct flash_bank_s *bank)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_intel_pri_ext_t *pri_ext = cfi_info->pri_ext;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_intel_pri_ext *pri_ext = cfi_info->pri_ext;
+ struct target *target = bank->target;
uint8_t command[CFI_MAX_BUS_WIDTH];
int i;
static int cfi_spansion_protect_check(struct flash_bank_s *bank)
{
int retval;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
- cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
- target_t *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
+ struct target *target = bank->target;
uint8_t command[8];
int i;
static int cfi_protect_check(struct flash_bank_s *bank)
{
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
if (bank->target->state != TARGET_HALTED)
{
static int cfi_info(struct flash_bank_s *bank, char *buf, int buf_size)
{
int printed;
- cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
if (cfi_info->qry[0] == (char)-1)
{
return ERROR_OK;
}
+
+struct flash_driver cfi_flash = {
+ .name = "cfi",
+ .register_commands = &cfi_register_commands,
+ .flash_bank_command = &cfi_flash_bank_command,
+ .erase = &cfi_erase,
+ .protect = &cfi_protect,
+ .write = &cfi_write,
+ .probe = &cfi_probe,
+ .auto_probe = &cfi_auto_probe,
+ .erase_check = &default_flash_blank_check,
+ .protect_check = &cfi_protect_check,
+ .info = &cfi_info,
+ };
projects / fw / openocd / blobdiff