* 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., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#define AT49BV6416 0x00d6
#define AT49BV6416T 0x00d2
-static struct cfi_unlock_addresses cfi_unlock_addresses[] = {
+static const struct cfi_unlock_addresses cfi_unlock_addresses[] = {
[CFI_UNLOCK_555_2AA] = { .unlock1 = 0x555, .unlock2 = 0x2aa },
[CFI_UNLOCK_5555_2AAA] = { .unlock1 = 0x5555, .unlock2 = 0x2aaa },
};
+static const int cfi_status_poll_mask_dq6_dq7 = CFI_STATUS_POLL_MASK_DQ6_DQ7;
+
/* CFI fixups forward declarations */
-static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, void *param);
-static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, void *param);
-static void cfi_fixup_reversed_erase_regions(struct flash_bank *bank, void *param);
-static void cfi_fixup_0002_write_buffer(struct flash_bank *bank, void *param);
+static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, const void *param);
+static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, const void *param);
+static void cfi_fixup_reversed_erase_regions(struct flash_bank *bank, const void *param);
+static void cfi_fixup_0002_write_buffer(struct flash_bank *bank, const void *param);
+static void cfi_fixup_0002_polling_bits(struct flash_bank *bank, const void *param);
/* fixup after reading cmdset 0002 primary query table */
static const struct cfi_fixup cfi_0002_fixups[] = {
&cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x274b, cfi_fixup_0002_unlock_addresses,
&cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
+ {CFI_MFR_SST, 0x235f, cfi_fixup_0002_polling_bits, /* 39VF3201C */
+ &cfi_status_poll_mask_dq6_dq7},
{CFI_MFR_SST, 0x236d, cfi_fixup_0002_unlock_addresses,
&cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
{CFI_MFR_ATMEL, 0x00C8, cfi_fixup_reversed_erase_regions, NULL},
static void cfi_command(struct flash_bank *bank, uint8_t cmd, uint8_t *cmd_buf)
{
int i;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
/* clear whole buffer, to ensure bits that exceed the bus_width
* are set to zero
for (i = 0; i < CFI_MAX_BUS_WIDTH; i++)
cmd_buf[i] = 0;
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN) {
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN) {
for (i = bank->bus_width; i > 0; i--)
*cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
} else {
static int cfi_query_u8(struct flash_bank *bank, int sector, uint32_t offset, uint8_t *val)
{
struct target *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
uint8_t data[CFI_MAX_BUS_WIDTH];
int retval;
if (retval != ERROR_OK)
return retval;
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN)
*val = data[0];
else
*val = data[bank->bus_width - 1];
static int cfi_get_u8(struct flash_bank *bank, int sector, uint32_t offset, uint8_t *val)
{
struct target *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
uint8_t data[CFI_MAX_BUS_WIDTH];
int i;
if (retval != ERROR_OK)
return retval;
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN) {
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN) {
for (i = 0; i < bank->bus_width / bank->chip_width; i++)
data[0] |= data[i];
return retval;
}
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN)
*val = data[0] | data[bank->bus_width] << 8;
else
*val = data[bank->bus_width - 1] | data[(2 * bank->bus_width) - 1] << 8;
return retval;
}
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN)
*val = data[0] | data[bank->bus_width] << 8 |
data[bank->bus_width * 2] << 16 | data[bank->bus_width * 3] << 24;
else
if (retval != ERROR_OK)
return retval;
+ /* default values for implementation specific workarounds */
+ pri_ext->_unlock1 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock1;
+ pri_ext->_unlock2 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock2;
+ pri_ext->_reversed_geometry = 0;
+
if ((pri_ext->pri[0] != 'P') || (pri_ext->pri[1] != 'R') || (pri_ext->pri[2] != 'I')) {
retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0));
if (retval != ERROR_OK)
LOG_DEBUG("WP# protection 0x%x", pri_ext->TopBottom);
- /* default values for implementation specific workarounds */
- pri_ext->_unlock1 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock1;
- pri_ext->_unlock2 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock2;
- pri_ext->_reversed_geometry = 0;
-
return ERROR_OK;
}
FLASH_BANK_COMMAND_HANDLER(cfi_flash_bank_command)
{
struct cfi_flash_bank *cfi_info;
+ int bus_swap = 0;
if (CMD_ARGC < 6)
return ERROR_COMMAND_SYNTAX_ERROR;
cfi_info->x16_as_x8 = 0;
cfi_info->jedec_probe = 0;
cfi_info->not_cfi = 0;
+ cfi_info->data_swap = 0;
for (unsigned i = 6; i < CMD_ARGC; i++) {
if (strcmp(CMD_ARGV[i], "x16_as_x8") == 0)
cfi_info->x16_as_x8 = 1;
+ else if (strcmp(CMD_ARGV[i], "data_swap") == 0)
+ cfi_info->data_swap = 1;
+ else if (strcmp(CMD_ARGV[i], "bus_swap") == 0)
+ bus_swap = 1;
else if (strcmp(CMD_ARGV[i], "jedec_probe") == 0)
cfi_info->jedec_probe = 1;
}
+ if (bus_swap)
+ cfi_info->endianness =
+ bank->target->endianness == TARGET_LITTLE_ENDIAN ?
+ TARGET_BIG_ENDIAN : TARGET_LITTLE_ENDIAN;
+ else
+ cfi_info->endianness = bank->target->endianness;
+
/* bank wasn't probed yet */
cfi_info->qry[0] = 0xff;
}
}
-/* Convert code image to target endian
- * FIXME create general block conversion fcts in target.c?) */
-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++) {
- target_buffer_set_u32(target, dest, *src);
- dest += 4;
- src++;
- }
-}
-
static uint32_t cfi_command_val(struct flash_bank *bank, uint8_t cmd)
{
struct target *target = bank->target;
}
}
-static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
+static int cfi_intel_write_block(struct flash_bank *bank, const uint8_t *buffer,
uint32_t address, uint32_t count)
{
struct target *target = bank->target;
arm_algo.core_state = ARM_STATE_ARM;
} else {
LOG_ERROR("Unknown architecture");
- return ERROR_FAIL;
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
cfi_intel_clear_status_register(bank);
"Increase CFI_MAX_INTEL_CODESIZE and recompile.");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
- cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
+
+ target_buffer_set_u32_array(target, target_code, target_code_size / 4, target_code_src);
/* Get memory for block write handler */
retval = target_alloc_working_area(target,
LOG_WARNING("No working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
- ;
/* write algorithm code to working area */
retval = target_write_buffer(target, write_algorithm->address,
goto cleanup;
}
}
- ;
/* setup algo registers */
init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
return retval;
}
-static int cfi_spansion_write_block_mips(struct flash_bank *bank, uint8_t *buffer,
+static int cfi_spansion_write_block_mips(struct flash_bank *bank, const uint8_t *buffer,
uint32_t address, uint32_t count)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
- cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
+
+ target_buffer_set_u32_array(target, target_code, target_code_size / 4, target_code_src);
/* allocate working area */
retval = target_alloc_working_area(target, target_code_size,
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
}
- ;
- init_reg_param(®_params[0], "a0", 32, PARAM_OUT);
- init_reg_param(®_params[1], "a1", 32, PARAM_OUT);
- init_reg_param(®_params[2], "a2", 32, PARAM_OUT);
- init_reg_param(®_params[3], "a3", 32, PARAM_OUT);
- init_reg_param(®_params[4], "t0", 32, PARAM_OUT);
- init_reg_param(®_params[5], "t1", 32, PARAM_IN);
- init_reg_param(®_params[6], "t4", 32, PARAM_OUT);
- init_reg_param(®_params[7], "t5", 32, PARAM_OUT);
- init_reg_param(®_params[8], "t6", 32, PARAM_OUT);
- init_reg_param(®_params[9], "t7", 32, PARAM_OUT);
+ init_reg_param(®_params[0], "r4", 32, PARAM_OUT);
+ init_reg_param(®_params[1], "r5", 32, PARAM_OUT);
+ init_reg_param(®_params[2], "r6", 32, PARAM_OUT);
+ init_reg_param(®_params[3], "r7", 32, PARAM_OUT);
+ init_reg_param(®_params[4], "r8", 32, PARAM_OUT);
+ init_reg_param(®_params[5], "r9", 32, PARAM_IN);
+ init_reg_param(®_params[6], "r12", 32, PARAM_OUT);
+ init_reg_param(®_params[7], "r13", 32, PARAM_OUT);
+ init_reg_param(®_params[8], "r14", 32, PARAM_OUT);
+ init_reg_param(®_params[9], "r15", 32, PARAM_OUT);
while (count > 0) {
uint32_t thisrun_count = (count > buffer_size) ? buffer_size : count;
return retval;
}
-static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
+static int cfi_spansion_write_block(struct flash_bank *bank, const uint8_t *buffer,
uint32_t address, uint32_t count)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
0xeafffffe /* b 81ac <sp_16_done> */
};
- /* see contib/loaders/flash/armv7m_cfi_span_16.s for src */
+ /* see contrib/loaders/flash/armv7m_cfi_span_16.s for src */
static const uint32_t armv7m_word_16_code[] = {
0x5B02F830,
0x9000F8A8,
0x0000BE00
};
- /* see contib/loaders/flash/armv4_5_cfi_span_16_dq7.s for src */
+ /* see contrib/loaders/flash/armv7m_cfi_span_16_dq7.s for src */
+ static const uint32_t armv7m_word_16_code_dq7only[] = {
+ /* 00000000 <code>: */
+ 0x5B02F830, /* ldrh.w r5, [r0], #2 */
+ 0x9000F8A8, /* strh.w r9, [r8] */
+ 0xB000F8AA, /* strh.w fp, [sl] */
+ 0x3000F8A8, /* strh.w r3, [r8] */
+ 0xBF00800D, /* strh r5, [r1, #0] */
+ /* nop */
+
+ /* 00000014 <busy>: */
+ 0xEA85880E, /* ldrh r6, [r1, #0] */
+ /* eor.w r7, r5, r6 */
+ 0x40270706, /* ands r7, r4 */
+ 0x3A01D1FA, /* bne.n 14 <busy> */
+ /* subs r2, #1 */
+ 0xF101D002, /* beq.n 28 <success> */
+ 0xE7EB0102, /* add.w r1, r1, #2 */
+ /* b.n 0 <code> */
+
+ /* 00000028 <success>: */
+ 0x0580F04F, /* mov.w r5, #128 */
+ 0xBF00E7FF, /* b.n 30 <done> */
+ /* nop (for alignment purposes) */
+
+ /* 00000030 <done>: */
+ 0x0000BE00 /* bkpt 0x0000 */
+ };
+
+ /* see contrib/loaders/flash/armv4_5_cfi_span_16_dq7.s for src */
static const uint32_t armv4_5_word_16_code_dq7only[] = {
/* <sp_16_code>: */
0xe0d050b2, /* ldrh r5, [r0], #2 */
0xeafffffe /* b 81ac <sp_16_done> */
};
- /* see contib/loaders/flash/armv4_5_cfi_span_8.s for src */
+ /* see contrib/loaders/flash/armv4_5_cfi_span_8.s for src */
static const uint32_t armv4_5_word_8_code[] = {
/* 000081b0 <sp_16_code_end>: */
0xe4d05001, /* ldrb r5, [r0], #1 */
arm_algo = &armv4_5_algo;
} else {
LOG_ERROR("Unknown architecture");
- return ERROR_FAIL;
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
int target_code_size = 0;
} else {
/* No DQ5 support. Use DQ7 DATA# polling only. */
if (is_armv7m(target_to_armv7m(target))) {
- LOG_ERROR("Unknown ARM architecture");
- return ERROR_FAIL;
+ /* armv7m target */
+ target_code_src = armv7m_word_16_code_dq7only;
+ target_code_size = sizeof(armv7m_word_16_code_dq7only);
+ } else { /* armv4_5 target */
+ target_code_src = armv4_5_word_16_code_dq7only;
+ target_code_size = sizeof(armv4_5_word_16_code_dq7only);
}
- target_code_src = armv4_5_word_16_code_dq7only;
- target_code_size = sizeof(armv4_5_word_16_code_dq7only);
}
break;
case 4:
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
- cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
+
+ target_buffer_set_u32_array(target, target_code, target_code_size / 4, target_code_src);
/* allocate working area */
retval = target_alloc_working_area(target, target_code_size,
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
}
- ;
init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
uint8_t status;
retval = cfi_intel_wait_status_busy(bank, cfi_info->word_write_timeout, &status);
- if (retval != 0x80) {
+ if (retval != ERROR_OK)
+ return retval;
+ if (status != 0x80) {
retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0));
if (retval != ERROR_OK)
return retval;
return ERROR_OK;
}
-static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word,
+static int cfi_intel_write_words(struct flash_bank *bank, const uint8_t *word,
uint32_t wordcount, uint32_t address)
{
int retval;
return ERROR_OK;
}
-static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word,
+static int cfi_spansion_write_words(struct flash_bank *bank, const uint8_t *word,
uint32_t wordcount, uint32_t address)
{
int retval;
return ERROR_FLASH_OPERATION_FAILED;
}
-static int cfi_write_words(struct flash_bank *bank, uint8_t *word,
+static int cfi_write_words(struct flash_bank *bank, const uint8_t *word,
uint32_t wordcount, uint32_t address)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
}
if (count) {
- LOG_INFO("Fixup %d unaligned read tail bytes", count);
+ LOG_INFO("Fixup %" PRIu32 " unaligned read tail bytes", count);
/* read a complete word from flash */
retval = target_read_memory(target, read_p, bank->bus_width, 1, current_word);
return ERROR_OK;
}
-static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+static int cfi_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
struct target *target = bank->target;
int blk_count; /* number of bus_width bytes for block copy */
uint8_t current_word[CFI_MAX_BUS_WIDTH * 4]; /* word (bus_width size) currently being
*programmed */
+ uint8_t *swapped_buffer = NULL;
+ const uint8_t *real_buffer = NULL;
int i;
int retval;
return retval;
/* replace only bytes that must be written */
- for (i = align; (i < bank->bus_width) && (count > 0); i++, count--)
- current_word[i] = *buffer++;
+ for (i = align;
+ (i < bank->bus_width) && (count > 0);
+ i++, count--)
+ if (cfi_info->data_swap)
+ /* data bytes are swapped (reverse endianness) */
+ current_word[bank->bus_width - i] = *buffer++;
+ else
+ current_word[i] = *buffer++;
retval = cfi_write_word(bank, current_word, write_p);
if (retval != ERROR_OK)
write_p += bank->bus_width;
}
+ if (cfi_info->data_swap && count) {
+ swapped_buffer = malloc(count & ~(bank->bus_width - 1));
+ switch (bank->bus_width) {
+ case 2:
+ buf_bswap16(swapped_buffer, buffer,
+ count & ~(bank->bus_width - 1));
+ break;
+ case 4:
+ buf_bswap32(swapped_buffer, buffer,
+ count & ~(bank->bus_width - 1));
+ break;
+ }
+ real_buffer = buffer;
+ buffer = swapped_buffer;
+ }
+
/* handle blocks of bus_size aligned bytes */
blk_count = count & ~(bank->bus_width - 1); /* round down, leave tail bytes */
switch (cfi_info->pri_id) {
return retval;
}
+ if (swapped_buffer) {
+ buffer = real_buffer + (buffer - swapped_buffer);
+ free(swapped_buffer);
+ }
+
/* return to read array mode, so we can read from flash again for padding */
retval = cfi_reset(bank);
if (retval != ERROR_OK)
/* replace only bytes that must be written */
for (i = 0; (i < bank->bus_width) && (count > 0); i++, count--)
- current_word[i] = *buffer++;
+ if (cfi_info->data_swap)
+ /* data bytes are swapped (reverse endianness) */
+ current_word[bank->bus_width - i] = *buffer++;
+ else
+ current_word[i] = *buffer++;
retval = cfi_write_word(bank, current_word, write_p);
if (retval != ERROR_OK)
return cfi_reset(bank);
}
-static void cfi_fixup_reversed_erase_regions(struct flash_bank *bank, void *param)
+static void cfi_fixup_reversed_erase_regions(struct flash_bank *bank, const void *param)
{
(void) param;
struct cfi_flash_bank *cfi_info = bank->driver_priv;
pri_ext->_reversed_geometry = 1;
}
-static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, void *param)
+static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, const void *param)
{
int i;
struct cfi_flash_bank *cfi_info = bank->driver_priv;
}
}
-static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, void *param)
+static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, const void *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;
+ const struct cfi_unlock_addresses *unlock_addresses = param;
pri_ext->_unlock1 = unlock_addresses->unlock1;
pri_ext->_unlock2 = unlock_addresses->unlock2;
}
+static void cfi_fixup_0002_polling_bits(struct flash_bank *bank, const void *param)
+{
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ const int *status_poll_mask = param;
+
+ cfi_info->status_poll_mask = *status_poll_mask;
+}
+
static int cfi_query_string(struct flash_bank *bank, int address)
{
return ERROR_OK;
}
-static void cfi_fixup_0002_write_buffer(struct flash_bank *bank, void *param)
+static void cfi_fixup_0002_write_buffer(struct flash_bank *bank, const void *param)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
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