X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fflash%2Fnor%2Fstr9x.c;h=303daa045ae823f41a44e4b4a171ca312b416d85;hb=c69553cbc51770f61cf3b9225d46d058fa2544d0;hp=60367cb9d71d48ccedf26b23bc7d0458d34ea46d;hpb=0073e7a69e55eb435fc2e274ba245a27779963e4;p=openocd.git diff --git a/src/flash/nor/str9x.c b/src/flash/nor/str9x.c index 60367cb9d7..303daa045a 100644 --- a/src/flash/nor/str9x.c +++ b/src/flash/nor/str9x.c @@ -28,11 +28,45 @@ #endif #include "imp.h" -#include "str9x.h" #include #include +/* Flash registers */ + +#define FLASH_BBSR 0x54000000 /* Boot Bank Size Register */ +#define FLASH_NBBSR 0x54000004 /* Non-Boot Bank Size Register */ +#define FLASH_BBADR 0x5400000C /* Boot Bank Base Address Register */ +#define FLASH_NBBADR 0x54000010 /* Non-Boot Bank Base Address Register */ +#define FLASH_CR 0x54000018 /* Control Register */ +#define FLASH_SR 0x5400001C /* Status Register */ +#define FLASH_BCE5ADDR 0x54000020 /* BC Fifth Entry Target Address Register */ + + +struct str9x_flash_bank +{ + uint32_t *sector_bits; + int variant; + int bank1; + struct working_area *write_algorithm; +}; + +enum str9x_status_codes +{ + STR9X_CMD_SUCCESS = 0, + STR9X_INVALID_COMMAND = 1, + STR9X_SRC_ADDR_ERROR = 2, + STR9X_DST_ADDR_ERROR = 3, + STR9X_SRC_ADDR_NOT_MAPPED = 4, + STR9X_DST_ADDR_NOT_MAPPED = 5, + STR9X_COUNT_ERROR = 6, + STR9X_INVALID_SECTOR = 7, + STR9X_SECTOR_NOT_BLANK = 8, + STR9X_SECTOR_NOT_PREPARED = 9, + STR9X_COMPARE_ERROR = 10, + STR9X_BUSY = 11 +}; + static uint32_t bank1start = 0x00080000; static int str9x_build_block_list(struct flash_bank *bank) @@ -223,6 +257,7 @@ static int str9x_erase(struct flash_bank *bank, int first, int last) uint32_t adr; uint8_t status; uint8_t erase_cmd; + int total_timeout; if (bank->target->state != TARGET_HALTED) { @@ -230,16 +265,19 @@ static int str9x_erase(struct flash_bank *bank, int first, int last) return ERROR_TARGET_NOT_HALTED; } - /* Check if we erase whole bank */ + /* Check if we can erase whole bank */ if ((first == 0) && (last == (bank->num_sectors - 1))) { /* Optimize to run erase bank command instead of sector */ erase_cmd = 0x80; + /* Add timeout duration since erase bank takes more time */ + total_timeout = 1000 * bank->num_sectors; } else { /* Erase sector command */ erase_cmd = 0x20; + total_timeout = 1000; } for (i = first; i <= last; i++) @@ -247,7 +285,7 @@ static int str9x_erase(struct flash_bank *bank, int first, int last) int retval; adr = bank->base + bank->sectors[i].offset; - /* erase sectors */ + /* erase sectors or block */ if ((retval = target_write_u16(target, adr, erase_cmd)) != ERROR_OK) { return retval; @@ -264,7 +302,8 @@ static int str9x_erase(struct flash_bank *bank, int first, int last) } int timeout; - for (timeout = 0; timeout < 1000; timeout++) { + for (timeout = 0; timeout < total_timeout; timeout++) + { if ((retval = target_read_u8(target, adr, &status)) != ERROR_OK) { return retval; @@ -273,7 +312,7 @@ static int str9x_erase(struct flash_bank *bank, int first, int last) break; alive_sleep(1); } - if (timeout == 1000) + if (timeout == total_timeout) { LOG_ERROR("erase timed out"); return ERROR_FAIL; @@ -352,14 +391,16 @@ static int str9x_write_block(struct flash_bank *bank, { struct str9x_flash_bank *str9x_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[4]; - struct armv4_5_algorithm armv4_5_info; + struct arm_algorithm armv4_5_info; int retval = ERROR_OK; - uint32_t str9x_flash_write_code[] = { + /* see contib/loaders/flash/str9x.s for src */ + + static const uint32_t str9x_flash_write_code[] = { /* write: */ 0xe3c14003, /* bic r4, r1, #3 */ 0xe3a03040, /* mov r3, #0x40 */ @@ -381,25 +422,29 @@ static int str9x_write_block(struct flash_bank *bank, 0xe2522001, /* subs r2, r2, #1 */ 0x1affffed, /* bne write */ /* exit: */ - 0xeafffffe, /* b exit */ + 0xe1200070, /* bkpt #0 */ }; /* flash write code */ - if (target_alloc_working_area(target, 4 * 19, &str9x_info->write_algorithm) != ERROR_OK) + if (target_alloc_working_area(target, sizeof(str9x_flash_write_code), + &str9x_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, str9x_info->write_algorithm->address, 19 * 4, (uint8_t*)str9x_flash_write_code); + target_write_buffer(target, str9x_info->write_algorithm->address, + sizeof(str9x_flash_write_code), + (uint8_t*)str9x_flash_write_code); /* memory buffer */ - while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) + while (target_alloc_working_area_try(target, buffer_size, &source) != ERROR_OK) { 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 (str9x_info->write_algorithm) target_free_working_area(target, str9x_info->write_algorithm); @@ -408,7 +453,7 @@ static int str9x_write_block(struct flash_bank *bank, } } - armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC; + armv4_5_info.common_magic = ARM_COMMON_MAGIC; armv4_5_info.core_mode = ARM_MODE_SVC; armv4_5_info.core_state = ARM_STATE_ARM; @@ -427,7 +472,9 @@ static int str9x_write_block(struct flash_bank *bank, buf_set_u32(reg_params[1].value, 0, 32, address); buf_set_u32(reg_params[2].value, 0, 32, thisrun_count); - if ((retval = target_run_algorithm(target, 0, NULL, 4, reg_params, str9x_info->write_algorithm->address, str9x_info->write_algorithm->address + (18 * 4), 10000, &armv4_5_info)) != ERROR_OK) + if ((retval = target_run_algorithm(target, 0, NULL, 4, reg_params, + str9x_info->write_algorithm->address, + 0, 10000, &armv4_5_info)) != ERROR_OK) { LOG_ERROR("error executing str9x flash write algorithm"); retval = ERROR_FLASH_OPERATION_FAILED; @@ -515,7 +562,7 @@ static int str9x_write(struct flash_bank *bank, } else if (retval == ERROR_FLASH_OPERATION_FAILED) { - LOG_ERROR("flash writing failed with error code: 0x%x", retval); + LOG_ERROR("flash writing failed"); return ERROR_FLASH_OPERATION_FAILED; } } @@ -569,7 +616,7 @@ static int str9x_write(struct flash_bank *bank, if (bytes_remaining) { uint8_t last_halfword[2] = {0xff, 0xff}; - int i = 0; + i = 0; while (bytes_remaining > 0) { @@ -626,7 +673,7 @@ COMMAND_HANDLER(str9x_handle_part_id_command) } #endif -static int str9x_info(struct flash_bank *bank, char *buf, int buf_size) +static int get_str9x_info(struct flash_bank *bank, char *buf, int buf_size) { snprintf(buf, buf_size, "str9x flash driver info"); return ERROR_OK; @@ -679,14 +726,16 @@ COMMAND_HANDLER(str9x_handle_flash_config_command) static const struct command_registration str9x_config_command_handlers[] = { { - .name = "disable_jtag", - .handler = &str9x_handle_flash_config_command, + .name = "flash_config", + .handler = str9x_handle_flash_config_command, .mode = COMMAND_EXEC, - .help = "configure str9x flash controller", - .usage = " ", + .help = "Configure str9x flash controller, prior to " + "programming the flash.", + .usage = "bank_id BBSR NBBSR BBADR NBBADR", }, COMMAND_REGISTRATION_DONE }; + static const struct command_registration str9x_command_handlers[] = { { .name = "str9x", @@ -698,15 +747,16 @@ static const struct command_registration str9x_command_handlers[] = { }; struct flash_driver str9x_flash = { - .name = "str9x", - .commands = str9x_command_handlers, - .flash_bank_command = &str9x_flash_bank_command, - .erase = &str9x_erase, - .protect = &str9x_protect, - .write = &str9x_write, - .probe = &str9x_probe, - .auto_probe = &str9x_probe, - .erase_check = &default_flash_blank_check, - .protect_check = &str9x_protect_check, - .info = &str9x_info, - }; + .name = "str9x", + .commands = str9x_command_handlers, + .flash_bank_command = str9x_flash_bank_command, + .erase = str9x_erase, + .protect = str9x_protect, + .write = str9x_write, + .read = default_flash_read, + .probe = str9x_probe, + .auto_probe = str9x_probe, + .erase_check = default_flash_blank_check, + .protect_check = str9x_protect_check, + .info = get_str9x_info, +};