diff options
| -rw-r--r-- | src/flash/nor/str7x.c | 44 |
1 files changed, 30 insertions, 14 deletions
diff --git a/src/flash/nor/str7x.c b/src/flash/nor/str7x.c index 3bf07c95..fa1744c5 100644 --- a/src/flash/nor/str7x.c +++ b/src/flash/nor/str7x.c @@ -316,18 +316,19 @@ static int str7x_protect(struct flash_bank *bank, int set, int first, int last) return ERROR_OK; } -static int str7x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count) +static int str7x_write_block(struct flash_bank *bank, uint8_t *buffer, + uint32_t offset, uint32_t count) { struct str7x_flash_bank *str7x_info = bank->driver_priv; struct target *target = bank->target; - uint32_t buffer_size = 8192; + uint32_t buffer_size = 32768; struct working_area *source; uint32_t address = bank->base + offset; struct reg_param reg_params[6]; struct arm_algorithm armv4_5_info; int retval = ERROR_OK; - uint32_t str7x_flash_write_code[] = { + static const uint32_t str7x_flash_write_code[] = { /* write: */ 0xe3a04201, /* mov r4, #0x10000000 */ 0xe5824000, /* str r4, [r2, #0x0] */ @@ -354,13 +355,16 @@ static int str7x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t }; /* flash write code */ - if (target_alloc_working_area(target, 4 * 20, &str7x_info->write_algorithm) != ERROR_OK) + if (target_alloc_working_area(target, sizeof(str7x_flash_write_code), + &str7x_info->write_algorithm) != ERROR_OK) { LOG_WARNING("no working area available, can't do block memory writes"); return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; }; - target_write_buffer(target, str7x_info->write_algorithm->address, 20 * 4, (uint8_t*)str7x_flash_write_code); + target_write_buffer(target, str7x_info->write_algorithm->address, + sizeof(str7x_flash_write_code), + (uint8_t*)str7x_flash_write_code); /* memory buffer */ while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) @@ -368,7 +372,8 @@ static int str7x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t buffer_size /= 2; if (buffer_size <= 256) { - /* if we already allocated the writing code, but failed to get a buffer, free the algorithm */ + /* if we already allocated the writing code, but failed to get a + * buffer, free the algorithm */ if (str7x_info->write_algorithm) target_free_working_area(target, str7x_info->write_algorithm); @@ -400,7 +405,10 @@ static int str7x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t buf_set_u32(reg_params[3].value, 0, 32, thisrun_count); buf_set_u32(reg_params[5].value, 0, 32, str7x_info->busy_bits); - if ((retval = target_run_algorithm(target, 0, NULL, 6, reg_params, str7x_info->write_algorithm->address, str7x_info->write_algorithm->address + (19 * 4), 10000, &armv4_5_info)) != ERROR_OK) + if ((retval = target_run_algorithm(target, 0, NULL, 6, reg_params, + str7x_info->write_algorithm->address, + str7x_info->write_algorithm->address + (sizeof(str7x_flash_write_code) - 4), + 10000, &armv4_5_info)) != ERROR_OK) { LOG_ERROR("error executing str7x flash write algorithm"); retval = ERROR_FLASH_OPERATION_FAILED; @@ -431,7 +439,8 @@ static int str7x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t return retval; } -static int str7x_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count) +static int str7x_write(struct flash_bank *bank, uint8_t *buffer, + uint32_t offset, uint32_t count) { struct target *target = bank->target; struct str7x_flash_bank *str7x_info = bank->driver_priv; @@ -482,7 +491,8 @@ static int str7x_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset if (dwords_remaining > 0) { /* try using a block write */ - if ((retval = str7x_write_block(bank, buffer, offset, dwords_remaining)) != ERROR_OK) + if ((retval = str7x_write_block(bank, buffer, offset, + dwords_remaining)) != ERROR_OK) { if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) { @@ -517,11 +527,13 @@ static int str7x_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), address); /* data word 1 */ - target_write_memory(target, str7x_get_flash_adr(bank, FLASH_DR0), 4, 1, buffer + bytes_written); + target_write_memory(target, str7x_get_flash_adr(bank, FLASH_DR0), + 4, 1, buffer + bytes_written); bytes_written += 4; /* data word 2 */ - target_write_memory(target, str7x_get_flash_adr(bank, FLASH_DR1), 4, 1, buffer + bytes_written); + target_write_memory(target, str7x_get_flash_adr(bank, FLASH_DR1), + 4, 1, buffer + bytes_written); bytes_written += 4; /* start programming cycle */ @@ -564,11 +576,13 @@ static int str7x_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), address); /* data word 1 */ - target_write_memory(target, str7x_get_flash_adr(bank, FLASH_DR0), 4, 1, last_dword); + target_write_memory(target, str7x_get_flash_adr(bank, FLASH_DR0), + 4, 1, last_dword); bytes_written += 4; /* data word 2 */ - target_write_memory(target, str7x_get_flash_adr(bank, FLASH_DR1), 4, 1, last_dword + 4); + target_write_memory(target, str7x_get_flash_adr(bank, FLASH_DR1), + 4, 1, last_dword + 4); bytes_written += 4; /* start programming cycle */ @@ -677,7 +691,8 @@ COMMAND_HANDLER(str7x_handle_disable_jtag_command) flash_cmd = FLASH_SPR; target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd); target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), 0x4010DFBC); - target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), ~(1 << (15 + ProtectionLevel))); + target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), + ~(1 << (15 + ProtectionLevel))); flash_cmd = FLASH_SPR | FLASH_WMS; target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd); } @@ -694,6 +709,7 @@ static const struct command_registration str7x_exec_command_handlers[] = { }, COMMAND_REGISTRATION_DONE }; + static const struct command_registration str7x_command_handlers[] = { { .name = "str7x", |