};
/* CFI fixups foward declarations */
-static void cfi_fixup_0002_erase_regions(struct flash_bank *flash, void *param);
-static void cfi_fixup_0002_unlock_addresses(struct flash_bank *flash, void *param);
-static void cfi_fixup_reversed_erase_regions(struct flash_bank *flash, void *param);
+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);
/* fixup after reading cmdset 0002 primary query table */
static const struct cfi_fixup cfi_0002_fixups[] = {
{CFI_MFR_SST, 0x2780, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{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},
- {CFI_MFR_ST, 0x22C4, cfi_fixup_reversed_erase_regions, NULL}, /* M29W160ET */
+ {CFI_MFR_ST, 0x22C4, cfi_fixup_reversed_erase_regions, NULL}, /* M29W160ET */
{CFI_MFR_FUJITSU, 0x22ea, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
{CFI_MFR_FUJITSU, 0x226b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_AMIC, 0xb31a, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
{CFI_MFR_MX, 0x225b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
{CFI_MFR_AMD, 0x225b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
{CFI_MFR_ANY, CFI_ID_ANY, cfi_fixup_0002_erase_regions, NULL},
+ {CFI_MFR_ST, 0x227E, cfi_fixup_0002_write_buffer, NULL}, /* M29W128G */
{0, 0, NULL, NULL}
};
}
uint8_t status;
- retval = cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->block_erase_timeout_typ),
- &status);
+ retval = cfi_intel_wait_status_busy(bank, cfi_info->block_erase_timeout, &status);
if (retval != ERROR_OK)
return retval;
return retval;
}
- if (cfi_spansion_wait_status_busy(bank,
- 1000 * (1 << cfi_info->block_erase_timeout_typ)) == ERROR_OK)
+ if (cfi_spansion_wait_status_busy(bank, cfi_info->block_erase_timeout) == ERROR_OK)
{
bank->sectors[i].is_erased = 1;
}
* r6: error test pattern
*/
+ /* see contib/loaders/flash/armv4_5_cfi_intel_32.s for src */
static const uint32_t word_32_code[] = {
0xe4904004, /* loop: ldr r4, [r0], #4 */
0xe5813000, /* str r3, [r1] */
0xeafffffe /* done: b -2 */
};
+ /* see contib/loaders/flash/armv4_5_cfi_intel_16.s for src */
static const uint32_t word_16_code[] = {
0xe0d040b2, /* loop: ldrh r4, [r0], #2 */
0xe1c130b0, /* strh r3, [r1] */
0xeafffffe /* done: b -2 */
};
+ /* see contib/loaders/flash/armv4_5_cfi_intel_8.s for src */
static const uint32_t word_8_code[] = {
0xe4d04001, /* loop: ldrb r4, [r0], #1 */
0xe5c13000, /* strb r3, [r1] */
/* R10 = unlock2_addr */
/* R11 = unlock2_cmd */
+ /* see contib/loaders/flash/armv4_5_cfi_span_32.s for src */
static const uint32_t word_32_code[] = {
/* 00008100 <sp_32_code>: */
0xe4905004, /* ldr r5, [r0], #4 */
/* */
/* 00008154 <sp_32_done>: */
0xeafffffe /* b 8154 <sp_32_done> */
- };
+ };
- static const uint32_t word_16_code[] = {
+ /* see contib/loaders/flash/armv4_5_cfi_span_16.s for src */
+ static const uint32_t word_16_code[] = {
/* 00008158 <sp_16_code>: */
0xe0d050b2, /* ldrh r5, [r0], #2 */
0xe1c890b0, /* strh r9, [r8] */
/* */
/* 000081ac <sp_16_done>: */
0xeafffffe /* b 81ac <sp_16_done> */
- };
+ };
- static const uint32_t word_16_code_dq7only[] = {
+ /* see contib/loaders/flash/armv4_5_cfi_span_16_dq7.s for src */
+ static const uint32_t word_16_code_dq7only[] = {
/* <sp_16_code>: */
0xe0d050b2, /* ldrh r5, [r0], #2 */
0xe1c890b0, /* strh r9, [r8] */
/* */
/* 000081ac <sp_16_done>: */
0xeafffffe /* b 81ac <sp_16_done> */
- };
+ };
- static const uint32_t word_8_code[] = {
+ /* see contib/loaders/flash/armv4_5_cfi_span_8.s for src */
+ static const uint32_t word_8_code[] = {
/* 000081b0 <sp_16_code_end>: */
0xe4d05001, /* ldrb r5, [r0], #1 */
0xe5c89000, /* strb r9, [r8] */
}
uint8_t status;
- retval = cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max),
- &status);
+ retval = cfi_intel_wait_status_busy(bank, cfi_info->word_write_timeout, &status);
if (retval != 0x80)
{
if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK)
return retval;
}
- LOG_ERROR("couldn't write word at base 0x%" PRIx32 ", address %" PRIx32,
+ LOG_ERROR("couldn't write word at base 0x%" PRIx32 ", address 0x%" PRIx32,
bank->base, address);
return ERROR_FLASH_OPERATION_FAILED;
}
/* Check for valid range */
if (address & buffermask)
{
- LOG_ERROR("Write address at base 0x%" PRIx32 ", address %" PRIx32
+ LOG_ERROR("Write address at base 0x%" PRIx32 ", address 0x%" PRIx32
" not aligned to 2^%d boundary",
bank->base, address, cfi_info->max_buf_write_size);
return ERROR_FLASH_OPERATION_FAILED;
return retval;
}
uint8_t status;
- retval = cfi_intel_wait_status_busy(bank,
- 1000 * (1 << cfi_info->buf_write_timeout_max), &status);
+ retval = cfi_intel_wait_status_busy(bank, cfi_info->buf_write_timeout, &status);
if (retval != ERROR_OK)
return retval;
if (status != 0x80)
return retval;
}
- LOG_ERROR("couldn't start buffer write operation at base 0x%" PRIx32 ", address %" PRIx32,
+ LOG_ERROR("couldn't start buffer write operation at base 0x%" PRIx32 ", address 0x%" PRIx32,
bank->base, address);
return ERROR_FLASH_OPERATION_FAILED;
}
return retval;
}
- retval = cfi_intel_wait_status_busy(bank,
- 1000 * (1 << cfi_info->buf_write_timeout_max), &status);
+ retval = cfi_intel_wait_status_busy(bank, cfi_info->buf_write_timeout, &status);
if (retval != ERROR_OK)
return retval;
}
LOG_ERROR("Buffer write at base 0x%" PRIx32
- ", address %" PRIx32 " failed.", bank->base, address);
+ ", address 0x%" PRIx32 " failed.", bank->base, address);
return ERROR_FLASH_OPERATION_FAILED;
}
return retval;
}
- if (cfi_spansion_wait_status_busy(bank,
- 1000 * (1 << cfi_info->word_write_timeout_max)) != ERROR_OK)
+ if (cfi_spansion_wait_status_busy(bank, cfi_info->word_write_timeout) != ERROR_OK)
{
if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK)
{
}
LOG_ERROR("couldn't write word at base 0x%" PRIx32
- ", address %" PRIx32 , bank->base, address);
+ ", address 0x%" PRIx32 , bank->base, address);
return ERROR_FLASH_OPERATION_FAILED;
}
if (address & buffermask)
{
LOG_ERROR("Write address at base 0x%" PRIx32
- ", address %" PRIx32 " not aligned to 2^%d boundary",
+ ", address 0x%" PRIx32 " not aligned to 2^%d boundary",
bank->base, address, cfi_info->max_buf_write_size);
return ERROR_FLASH_OPERATION_FAILED;
}
return ERROR_FLASH_OPERATION_FAILED;
}
- // Unlock
+ /* Unlock */
if ((retval = cfi_send_command(bank, 0xaa,
flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK)
{
return retval;
}
- // Buffer load command
+ /* Buffer load command */
if ((retval = cfi_send_command(bank, 0x25, address)) != ERROR_OK)
{
return retval;
}
/* Write buffer wordcount-1 and data words */
- if ((retval = cfi_send_command(bank,
- bufferwsize-1, address)) != ERROR_OK)
+ if ((retval = cfi_send_command(bank, bufferwsize-1, address)) != ERROR_OK)
{
return retval;
}
return retval;
}
- if (cfi_spansion_wait_status_busy(bank,
- 1000 * (1 << cfi_info->word_write_timeout_max)) != ERROR_OK)
+ if (cfi_spansion_wait_status_busy(bank, cfi_info->buf_write_timeout) != ERROR_OK)
{
if ((retval = cfi_send_command(bank, 0xf0,
flash_address(bank, 0, 0x0))) != ERROR_OK)
}
LOG_ERROR("couldn't write block at base 0x%" PRIx32
- ", address %" PRIx32 ", size %" PRIx32, bank->base, address, bufferwsize);
+ ", address 0x%" PRIx32 ", size 0x%" PRIx32, bank->base, address, bufferwsize);
return ERROR_FLASH_OPERATION_FAILED;
}
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ if (cfi_info->buf_write_timeout_typ == 0)
+ {
+ /* buffer writes are not supported */
+ LOG_DEBUG("Buffer Writes Not Supported");
+ return ERROR_FLASH_OPER_UNSUPPORTED;
+ }
+
switch (cfi_info->pri_id)
{
case 1:
int fallback;
if ((write_p & 0xff) == 0)
{
- LOG_INFO("Programming at %08" PRIx32 ", count %08"
+ LOG_INFO("Programming at 0x%08" PRIx32 ", count 0x%08"
PRIx32 " bytes remaining", write_p, count);
}
fallback = 1;
count -= buffersize;
fallback = 0;
}
+ else if (retval != ERROR_FLASH_OPER_UNSUPPORTED)
+ return retval;
}
/* try the slow way? */
if (fallback)
retval = cfi_query_u8(bank, 0, 0x1e, &cfi_info->vpp_max);
if (retval != ERROR_OK)
return retval;
+
retval = cfi_query_u8(bank, 0, 0x1f, &cfi_info->word_write_timeout_typ);
if (retval != ERROR_OK)
return retval;
(cfi_info->vpp_min & 0xf0) >> 4, cfi_info->vpp_min & 0x0f,
(cfi_info->vpp_max & 0xf0) >> 4, cfi_info->vpp_max & 0x0f);
- LOG_DEBUG("typ. word write timeout: %u, typ. buf write timeout: %u, "
- "typ. block erase timeout: %u, typ. chip erase timeout: %u",
+ LOG_DEBUG("typ. word write timeout: %u us, typ. buf write timeout: %u us, "
+ "typ. block erase timeout: %u ms, typ. chip erase timeout: %u ms",
1 << cfi_info->word_write_timeout_typ, 1 << cfi_info->buf_write_timeout_typ,
1 << cfi_info->block_erase_timeout_typ, 1 << cfi_info->chip_erase_timeout_typ);
- LOG_DEBUG("max. word write timeout: %u, max. buf write timeout: %u, "
- "max. block erase timeout: %u, max. chip erase timeout: %u",
+ LOG_DEBUG("max. word write timeout: %u us, max. buf write timeout: %u us, "
+ "max. block erase timeout: %u ms, max. chip erase timeout: %u ms",
(1 << cfi_info->word_write_timeout_max) * (1 << cfi_info->word_write_timeout_typ),
(1 << cfi_info->buf_write_timeout_max) * (1 << cfi_info->buf_write_timeout_typ),
(1 << cfi_info->block_erase_timeout_max) * (1 << cfi_info->block_erase_timeout_typ),
(1 << cfi_info->chip_erase_timeout_max) * (1 << cfi_info->chip_erase_timeout_typ));
+ /* convert timeouts to real values in ms */
+ cfi_info->word_write_timeout = DIV_ROUND_UP((1 << cfi_info->word_write_timeout_typ) *
+ (1 << cfi_info->word_write_timeout_max), 1000);
+ cfi_info->buf_write_timeout = DIV_ROUND_UP((1 << cfi_info->buf_write_timeout_typ) *
+ (1 << cfi_info->buf_write_timeout_max), 1000);
+ cfi_info->block_erase_timeout = (1 << cfi_info->block_erase_timeout_typ) *
+ (1 << cfi_info->block_erase_timeout_max);
+ cfi_info->chip_erase_timeout = (1 << cfi_info->chip_erase_timeout_typ) *
+ (1 << cfi_info->chip_erase_timeout_max);
+
+ LOG_DEBUG("calculated word write timeout: %u ms, buf write timeout: %u ms, "
+ "block erase timeout: %u ms, chip erase timeout: %u ms",
+ cfi_info->word_write_timeout, cfi_info->buf_write_timeout,
+ cfi_info->block_erase_timeout, cfi_info->chip_erase_timeout);
+
uint8_t data;
retval = cfi_query_u8(bank, 0, 0x27, &data);
if (retval != ERROR_OK)
if (retval != ERROR_OK)
return retval;
- LOG_DEBUG("size: 0x%" PRIx32 ", interface desc: %i, max buffer write size: %x",
+ LOG_DEBUG("size: 0x%" PRIx32 ", interface desc: %i, max buffer write size: 0x%x",
cfi_info->dev_size, cfi_info->interface_desc, (1 << cfi_info->max_buf_write_size));
if (cfi_info->num_erase_regions)
buf += printed;
buf_size -= printed;
- printed = snprintf(buf, buf_size, "typ. word write timeout: %u, "
- "typ. buf write timeout: %u, typ. block erase timeout: %u, typ. chip erase timeout: %u\n",
+ printed = snprintf(buf, buf_size, "typ. word write timeout: %u us, "
+ "typ. buf write timeout: %u us, "
+ "typ. block erase timeout: %u ms, "
+ "typ. chip erase timeout: %u ms\n",
1 << cfi_info->word_write_timeout_typ,
1 << cfi_info->buf_write_timeout_typ,
1 << cfi_info->block_erase_timeout_typ,
buf += printed;
buf_size -= printed;
- printed = snprintf(buf, buf_size, "max. word write timeout: %u, "
- "max. buf write timeout: %u, max. block erase timeout: %u, max. chip erase timeout: %u\n",
+ printed = snprintf(buf, buf_size, "max. word write timeout: %u us, "
+ "max. buf write timeout: %u us, max. "
+ "block erase timeout: %u ms, max. chip erase timeout: %u ms\n",
(1 << cfi_info->word_write_timeout_max) * (1 << cfi_info->word_write_timeout_typ),
(1 << cfi_info->buf_write_timeout_max) * (1 << cfi_info->buf_write_timeout_typ),
(1 << cfi_info->block_erase_timeout_max) * (1 << cfi_info->block_erase_timeout_typ),
buf_size -= printed;
printed = snprintf(buf, buf_size, "size: 0x%" PRIx32 ", interface desc: %i, "
- "max buffer write size: %x\n",
+ "max buffer write size: 0x%x\n",
cfi_info->dev_size,
cfi_info->interface_desc,
1 << cfi_info->max_buf_write_size);
return ERROR_OK;
}
+static void cfi_fixup_0002_write_buffer(struct flash_bank *bank, void *param)
+{
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+
+ /* disable write buffer for M29W128G */
+ cfi_info->buf_write_timeout_typ = 0;
+}
+
struct flash_driver cfi_flash = {
.name = "cfi",
.flash_bank_command = cfi_flash_bank_command,