#include "stm32x.h"
#include "armv7m.h"
#include "binarybuffer.h"
+#include "algorithm.h"
-static int stm32x_register_commands(struct command_context_s *cmd_ctx);
-static int stm32x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-static int stm32x_erase(struct flash_bank_s *bank, int first, int last);
-static int stm32x_protect(struct flash_bank_s *bank, int set, int first, int last);
-static int stm32x_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
-static int stm32x_probe(struct flash_bank_s *bank);
-static int stm32x_auto_probe(struct flash_bank_s *bank);
-//static int stm32x_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int stm32x_protect_check(struct flash_bank_s *bank);
-static int stm32x_info(struct flash_bank_s *bank, char *buf, int buf_size);
-
-static int stm32x_handle_lock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int stm32x_handle_unlock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int stm32x_handle_options_read_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int stm32x_handle_options_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int stm32x_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int stm32x_mass_erase(struct flash_bank_s *bank);
-
-flash_driver_t stm32x_flash =
-{
- .name = "stm32x",
- .register_commands = stm32x_register_commands,
- .flash_bank_command = stm32x_flash_bank_command,
- .erase = stm32x_erase,
- .protect = stm32x_protect,
- .write = stm32x_write,
- .probe = stm32x_probe,
- .auto_probe = stm32x_auto_probe,
- .erase_check = default_flash_mem_blank_check,
- .protect_check = stm32x_protect_check,
- .info = stm32x_info
-};
-
-static int stm32x_register_commands(struct command_context_s *cmd_ctx)
-{
- command_t *stm32x_cmd = register_command(cmd_ctx, NULL, "stm32x", NULL, COMMAND_ANY, "stm32x flash specific commands");
-
- register_command(cmd_ctx, stm32x_cmd, "lock", stm32x_handle_lock_command, COMMAND_EXEC,
- "lock device");
- register_command(cmd_ctx, stm32x_cmd, "unlock", stm32x_handle_unlock_command, COMMAND_EXEC,
- "unlock protected device");
- register_command(cmd_ctx, stm32x_cmd, "mass_erase", stm32x_handle_mass_erase_command, COMMAND_EXEC,
- "mass erase device");
- register_command(cmd_ctx, stm32x_cmd, "options_read", stm32x_handle_options_read_command, COMMAND_EXEC,
- "read device option bytes");
- register_command(cmd_ctx, stm32x_cmd, "options_write", stm32x_handle_options_write_command, COMMAND_EXEC,
- "write device option bytes");
- return ERROR_OK;
-}
+static int stm32x_mass_erase(struct flash_bank *bank);
/* flash bank stm32x <base> <size> 0 0 <target#>
*/
-static int stm32x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
+FLASH_BANK_COMMAND_HANDLER(stm32x_flash_bank_command)
{
- stm32x_flash_bank_t *stm32x_info;
+ struct stm32x_flash_bank *stm32x_info;
- if (argc < 6)
+ if (CMD_ARGC < 6)
{
LOG_WARNING("incomplete flash_bank stm32x configuration");
return ERROR_FLASH_BANK_INVALID;
}
- stm32x_info = malloc(sizeof(stm32x_flash_bank_t));
+ stm32x_info = malloc(sizeof(struct stm32x_flash_bank));
bank->driver_priv = stm32x_info;
stm32x_info->write_algorithm = NULL;
return ERROR_OK;
}
-static uint32_t stm32x_get_flash_status(flash_bank_t *bank)
+static uint32_t stm32x_get_flash_status(struct flash_bank *bank)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
uint32_t status;
target_read_u32(target, STM32_FLASH_SR, &status);
return status;
}
-static uint32_t stm32x_wait_status_busy(flash_bank_t *bank, int timeout)
+static uint32_t stm32x_wait_status_busy(struct flash_bank *bank, int timeout)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
uint32_t status;
/* wait for busy to clear */
alive_sleep(1);
}
/* Clear but report errors */
- if (status & (FLASH_WRPRTERR|FLASH_PGERR))
+ if (status & (FLASH_WRPRTERR | FLASH_PGERR))
{
- target_write_u32(target, STM32_FLASH_SR, FLASH_WRPRTERR|FLASH_PGERR);
+ target_write_u32(target, STM32_FLASH_SR, FLASH_WRPRTERR | FLASH_PGERR);
}
return status;
}
-static int stm32x_read_options(struct flash_bank_s *bank)
+static int stm32x_read_options(struct flash_bank *bank)
{
uint32_t optiondata;
- stm32x_flash_bank_t *stm32x_info = NULL;
- target_t *target = bank->target;
+ struct stm32x_flash_bank *stm32x_info = NULL;
+ struct target *target = bank->target;
stm32x_info = bank->driver_priv;
/* read current option bytes */
target_read_u32(target, STM32_FLASH_OBR, &optiondata);
- stm32x_info->option_bytes.user_options = (uint16_t)0xFFF8|((optiondata >> 2) & 0x07);
+ stm32x_info->option_bytes.user_options = (uint16_t)0xFFF8 | ((optiondata >> 2) & 0x07);
stm32x_info->option_bytes.RDP = (optiondata & (1 << OPT_READOUT)) ? 0xFFFF : 0x5AA5;
if (optiondata & (1 << OPT_READOUT))
return ERROR_OK;
}
-static int stm32x_erase_options(struct flash_bank_s *bank)
+static int stm32x_erase_options(struct flash_bank *bank)
{
- stm32x_flash_bank_t *stm32x_info = NULL;
- target_t *target = bank->target;
+ struct stm32x_flash_bank *stm32x_info = NULL;
+ struct target *target = bank->target;
uint32_t status;
stm32x_info = bank->driver_priv;
target_write_u32(target, STM32_FLASH_OPTKEYR, KEY2);
/* erase option bytes */
- target_write_u32(target, STM32_FLASH_CR, FLASH_OPTER|FLASH_OPTWRE);
- target_write_u32(target, STM32_FLASH_CR, FLASH_OPTER|FLASH_STRT|FLASH_OPTWRE);
+ target_write_u32(target, STM32_FLASH_CR, FLASH_OPTER | FLASH_OPTWRE);
+ target_write_u32(target, STM32_FLASH_CR, FLASH_OPTER | FLASH_STRT | FLASH_OPTWRE);
status = stm32x_wait_status_busy(bank, 10);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
return ERROR_FLASH_OPERATION_FAILED;
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
return ERROR_FLASH_OPERATION_FAILED;
/* clear readout protection and complementary option bytes
return ERROR_OK;
}
-static int stm32x_write_options(struct flash_bank_s *bank)
+static int stm32x_write_options(struct flash_bank *bank)
{
- stm32x_flash_bank_t *stm32x_info = NULL;
- target_t *target = bank->target;
+ struct stm32x_flash_bank *stm32x_info = NULL;
+ struct target *target = bank->target;
uint32_t status;
stm32x_info = bank->driver_priv;
target_write_u32(target, STM32_FLASH_OPTKEYR, KEY2);
/* program option bytes */
- target_write_u32(target, STM32_FLASH_CR, FLASH_OPTPG|FLASH_OPTWRE);
+ target_write_u32(target, STM32_FLASH_CR, FLASH_OPTPG | FLASH_OPTWRE);
/* write user option byte */
target_write_u16(target, STM32_OB_USER, stm32x_info->option_bytes.user_options);
status = stm32x_wait_status_busy(bank, 10);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
return ERROR_FLASH_OPERATION_FAILED;
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
return ERROR_FLASH_OPERATION_FAILED;
/* write protection byte 1 */
status = stm32x_wait_status_busy(bank, 10);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
return ERROR_FLASH_OPERATION_FAILED;
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
return ERROR_FLASH_OPERATION_FAILED;
/* write protection byte 2 */
status = stm32x_wait_status_busy(bank, 10);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
return ERROR_FLASH_OPERATION_FAILED;
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
return ERROR_FLASH_OPERATION_FAILED;
/* write protection byte 3 */
status = stm32x_wait_status_busy(bank, 10);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
return ERROR_FLASH_OPERATION_FAILED;
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
return ERROR_FLASH_OPERATION_FAILED;
/* write protection byte 4 */
status = stm32x_wait_status_busy(bank, 10);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
return ERROR_FLASH_OPERATION_FAILED;
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
return ERROR_FLASH_OPERATION_FAILED;
/* write readout protection bit */
status = stm32x_wait_status_busy(bank, 10);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
return ERROR_FLASH_OPERATION_FAILED;
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
return ERROR_FLASH_OPERATION_FAILED;
target_write_u32(target, STM32_FLASH_CR, FLASH_LOCK);
return ERROR_OK;
}
-static int stm32x_protect_check(struct flash_bank_s *bank)
+static int stm32x_protect_check(struct flash_bank *bank)
{
- target_t *target = bank->target;
- stm32x_flash_bank_t *stm32x_info = bank->driver_priv;
+ struct target *target = bank->target;
+ struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
uint32_t protection;
int i, s;
if (stm32x_info->ppage_size == 2)
{
- /* high density flash */
+ /* high density flash/connectivity line protection */
set = 1;
if (protection & (1 << 31))
set = 0;
- /* bit 31 controls sector 62 - 255 protection */
+ /* bit 31 controls sector 62 - 255 protection for high density
+ * bit 31 controls sector 62 - 127 protection for connectivity line */
for (s = 62; s < bank->num_sectors; s++)
{
bank->sectors[s].is_protected = set;
}
else
{
- /* medium density flash */
+ /* low/medium density flash protection */
for (i = 0; i < num_bits; i++)
{
set = 1;
- if ( protection & (1 << i))
+ if (protection & (1 << i))
set = 0;
for (s = 0; s < stm32x_info->ppage_size; s++)
return ERROR_OK;
}
-static int stm32x_erase(struct flash_bank_s *bank, int first, int last)
+static int stm32x_erase(struct flash_bank *bank, int first, int last)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
int i;
uint32_t status;
{
target_write_u32(target, STM32_FLASH_CR, FLASH_PER);
target_write_u32(target, STM32_FLASH_AR, bank->base + bank->sectors[i].offset);
- target_write_u32(target, STM32_FLASH_CR, FLASH_PER|FLASH_STRT);
+ target_write_u32(target, STM32_FLASH_CR, FLASH_PER | FLASH_STRT);
status = stm32x_wait_status_busy(bank, 10);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
return ERROR_FLASH_OPERATION_FAILED;
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
return ERROR_FLASH_OPERATION_FAILED;
bank->sectors[i].is_erased = 1;
}
return ERROR_OK;
}
-static int stm32x_protect(struct flash_bank_s *bank, int set, int first, int last)
+static int stm32x_protect(struct flash_bank *bank, int set, int first, int last)
{
- stm32x_flash_bank_t *stm32x_info = NULL;
- target_t *target = bank->target;
+ struct stm32x_flash_bank *stm32x_info = NULL;
+ struct target *target = bank->target;
uint16_t prot_reg[4] = {0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF};
int i, reg, bit;
int status;
if ((first && (first % stm32x_info->ppage_size)) || ((last + 1) && (last + 1) % stm32x_info->ppage_size))
{
- LOG_WARNING("sector start/end incorrect - stm32 has %dK sector protection", stm32x_info->ppage_size);
+ LOG_WARNING("Error: start and end sectors must be on a %d sector boundary", stm32x_info->ppage_size);
return ERROR_FLASH_SECTOR_INVALID;
}
reg = (i / stm32x_info->ppage_size) / 8;
bit = (i / stm32x_info->ppage_size) - (reg * 8);
- if ( set )
+ if (set)
prot_reg[reg] &= ~(1 << bit);
else
prot_reg[reg] |= (1 << bit);
reg = (i / stm32x_info->ppage_size) / 8;
bit = (i / stm32x_info->ppage_size) - (reg * 8);
- if ( set )
+ if (set)
prot_reg[reg] &= ~(1 << bit);
else
prot_reg[reg] |= (1 << bit);
return stm32x_write_options(bank);
}
-static int stm32x_write_block(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
{
- stm32x_flash_bank_t *stm32x_info = bank->driver_priv;
- target_t *target = bank->target;
+ struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
+ struct target *target = bank->target;
uint32_t buffer_size = 16384;
- working_area_t *source;
+ struct working_area *source;
uint32_t address = bank->base + offset;
- reg_param_t reg_params[4];
- armv7m_algorithm_t armv7m_info;
+ struct reg_param reg_params[4];
+ struct armv7m_algorithm armv7m_info;
int retval = ERROR_OK;
uint8_t stm32x_flash_write_code[] = {
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
};
- if ((retval=target_write_buffer(target, stm32x_info->write_algorithm->address, sizeof(stm32x_flash_write_code), stm32x_flash_write_code)) != ERROR_OK)
+ if ((retval = target_write_buffer(target, stm32x_info->write_algorithm->address, sizeof(stm32x_flash_write_code), stm32x_flash_write_code)) != ERROR_OK)
return retval;
/* memory buffer */
return retval;
}
-static int stm32x_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+static int stm32x_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
uint32_t words_remaining = (count / 2);
uint32_t bytes_remaining = (count & 0x00000001);
uint32_t address = bank->base + offset;
status = stm32x_wait_status_busy(bank, 5);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
{
LOG_ERROR("flash memory not erased before writing");
return ERROR_FLASH_OPERATION_FAILED;
}
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
{
LOG_ERROR("flash memory write protected");
return ERROR_FLASH_OPERATION_FAILED;
status = stm32x_wait_status_busy(bank, 5);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
{
LOG_ERROR("flash memory not erased before writing");
return ERROR_FLASH_OPERATION_FAILED;
}
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
{
LOG_ERROR("flash memory write protected");
return ERROR_FLASH_OPERATION_FAILED;
return ERROR_OK;
}
-static int stm32x_probe(struct flash_bank_s *bank)
+static int stm32x_probe(struct flash_bank *bank)
{
- target_t *target = bank->target;
- stm32x_flash_bank_t *stm32x_info = bank->driver_priv;
+ struct target *target = bank->target;
+ struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
int i;
uint16_t num_pages;
uint32_t device_id;
/* read stm32 device id register */
target_read_u32(target, 0xE0042000, &device_id);
- LOG_INFO( "device id = 0x%08" PRIx32 "", device_id );
+ LOG_INFO("device id = 0x%08" PRIx32 "", device_id);
/* get flash size from target */
if (target_read_u16(target, 0x1FFFF7E0, &num_pages) != ERROR_OK)
if (num_pages == 0xffff)
{
/* number of sectors incorrect on revA */
- LOG_WARNING( "STM32 flash size failed, probe inaccurate - assuming 128k flash" );
+ LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 128k flash");
num_pages = 128;
}
}
if (num_pages == 0xffff)
{
/* number of sectors incorrect on revA */
- LOG_WARNING( "STM32 flash size failed, probe inaccurate - assuming 32k flash" );
+ LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 32k flash");
num_pages = 32;
}
}
if (num_pages == 0xffff)
{
/* number of sectors incorrect on revZ */
- LOG_WARNING( "STM32 flash size failed, probe inaccurate - assuming 512k flash" );
+ LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 512k flash");
num_pages = 512;
}
}
else if ((device_id & 0x7ff) == 0x418)
{
- /* connectivity line density - we have 1k pages
- * 4 pages for a protection area */
- page_size = 1024;
- stm32x_info->ppage_size = 4;
+ /* connectivity line density - we have 2k pages
+ * 2 pages for a protection area */
+ page_size = 2048;
+ stm32x_info->ppage_size = 2;
/* check for early silicon */
if (num_pages == 0xffff)
{
/* number of sectors incorrect on revZ */
- LOG_WARNING( "STM32 flash size failed, probe inaccurate - assuming 256k flash" );
+ LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 256k flash");
num_pages = 256;
}
}
else
{
- LOG_WARNING( "Cannot identify target as a STM32 family." );
+ LOG_WARNING("Cannot identify target as a STM32 family.");
return ERROR_FLASH_OPERATION_FAILED;
}
- LOG_INFO( "flash size = %dkbytes", num_pages );
+ LOG_INFO("flash size = %dkbytes", num_pages);
/* calculate numbers of pages */
num_pages /= (page_size / 1024);
bank->base = 0x08000000;
bank->size = (num_pages * page_size);
bank->num_sectors = num_pages;
- bank->sectors = malloc(sizeof(flash_sector_t) * num_pages);
+ bank->sectors = malloc(sizeof(struct flash_sector) * num_pages);
for (i = 0; i < num_pages; i++)
{
return ERROR_OK;
}
-static int stm32x_auto_probe(struct flash_bank_s *bank)
+static int stm32x_auto_probe(struct flash_bank *bank)
{
- stm32x_flash_bank_t *stm32x_info = bank->driver_priv;
+ struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
if (stm32x_info->probed)
return ERROR_OK;
return stm32x_probe(bank);
}
#if 0
-static int stm32x_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(stm32x_handle_part_id_command)
{
return ERROR_OK;
}
#endif
-static int stm32x_info(struct flash_bank_s *bank, char *buf, int buf_size)
+static int stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
uint32_t device_id;
int printed;
snprintf(buf, buf_size, "A");
break;
+ case 0x1001:
+ snprintf(buf, buf_size, "Z");
+ break;
+
default:
snprintf(buf, buf_size, "unknown");
break;
return ERROR_OK;
}
-static int stm32x_handle_lock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(stm32x_handle_lock_command)
{
- flash_bank_t *bank;
- target_t *target = NULL;
- stm32x_flash_bank_t *stm32x_info = NULL;
+ struct target *target = NULL;
+ struct stm32x_flash_bank *stm32x_info = NULL;
- if (argc < 1)
+ if (CMD_ARGC < 1)
{
- command_print(cmd_ctx, "stm32x lock <bank>");
+ command_print(CMD_CTX, "stm32x lock <bank>");
return ERROR_OK;
}
- bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (!bank)
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- return ERROR_OK;
- }
+ struct flash_bank *bank;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
+ if (ERROR_OK != retval)
+ return retval;
stm32x_info = bank->driver_priv;
if (stm32x_erase_options(bank) != ERROR_OK)
{
- command_print(cmd_ctx, "stm32x failed to erase options");
+ command_print(CMD_CTX, "stm32x failed to erase options");
return ERROR_OK;
}
if (stm32x_write_options(bank) != ERROR_OK)
{
- command_print(cmd_ctx, "stm32x failed to lock device");
+ command_print(CMD_CTX, "stm32x failed to lock device");
return ERROR_OK;
}
- command_print(cmd_ctx, "stm32x locked");
+ command_print(CMD_CTX, "stm32x locked");
return ERROR_OK;
}
-static int stm32x_handle_unlock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(stm32x_handle_unlock_command)
{
- flash_bank_t *bank;
- target_t *target = NULL;
- stm32x_flash_bank_t *stm32x_info = NULL;
+ struct target *target = NULL;
+ struct stm32x_flash_bank *stm32x_info = NULL;
- if (argc < 1)
+ if (CMD_ARGC < 1)
{
- command_print(cmd_ctx, "stm32x unlock <bank>");
+ command_print(CMD_CTX, "stm32x unlock <bank>");
return ERROR_OK;
}
- bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (!bank)
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- return ERROR_OK;
- }
+ struct flash_bank *bank;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
+ if (ERROR_OK != retval)
+ return retval;
stm32x_info = bank->driver_priv;
if (stm32x_erase_options(bank) != ERROR_OK)
{
- command_print(cmd_ctx, "stm32x failed to unlock device");
+ command_print(CMD_CTX, "stm32x failed to unlock device");
return ERROR_OK;
}
if (stm32x_write_options(bank) != ERROR_OK)
{
- command_print(cmd_ctx, "stm32x failed to lock device");
+ command_print(CMD_CTX, "stm32x failed to lock device");
return ERROR_OK;
}
- command_print(cmd_ctx, "stm32x unlocked");
+ command_print(CMD_CTX, "stm32x unlocked");
return ERROR_OK;
}
-static int stm32x_handle_options_read_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(stm32x_handle_options_read_command)
{
- flash_bank_t *bank;
uint32_t optionbyte;
- target_t *target = NULL;
- stm32x_flash_bank_t *stm32x_info = NULL;
+ struct target *target = NULL;
+ struct stm32x_flash_bank *stm32x_info = NULL;
- if (argc < 1)
+ if (CMD_ARGC < 1)
{
- command_print(cmd_ctx, "stm32x options_read <bank>");
+ command_print(CMD_CTX, "stm32x options_read <bank>");
return ERROR_OK;
}
- bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (!bank)
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- return ERROR_OK;
- }
+ struct flash_bank *bank;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
+ if (ERROR_OK != retval)
+ return retval;
stm32x_info = bank->driver_priv;
}
target_read_u32(target, STM32_FLASH_OBR, &optionbyte);
- command_print(cmd_ctx, "Option Byte: 0x%" PRIx32 "", optionbyte);
+ command_print(CMD_CTX, "Option Byte: 0x%" PRIx32 "", optionbyte);
if (buf_get_u32((uint8_t*)&optionbyte, OPT_ERROR, 1))
- command_print(cmd_ctx, "Option Byte Complement Error");
+ command_print(CMD_CTX, "Option Byte Complement Error");
if (buf_get_u32((uint8_t*)&optionbyte, OPT_READOUT, 1))
- command_print(cmd_ctx, "Readout Protection On");
+ command_print(CMD_CTX, "Readout Protection On");
else
- command_print(cmd_ctx, "Readout Protection Off");
+ command_print(CMD_CTX, "Readout Protection Off");
if (buf_get_u32((uint8_t*)&optionbyte, OPT_RDWDGSW, 1))
- command_print(cmd_ctx, "Software Watchdog");
+ command_print(CMD_CTX, "Software Watchdog");
else
- command_print(cmd_ctx, "Hardware Watchdog");
+ command_print(CMD_CTX, "Hardware Watchdog");
if (buf_get_u32((uint8_t*)&optionbyte, OPT_RDRSTSTOP, 1))
- command_print(cmd_ctx, "Stop: No reset generated");
+ command_print(CMD_CTX, "Stop: No reset generated");
else
- command_print(cmd_ctx, "Stop: Reset generated");
+ command_print(CMD_CTX, "Stop: Reset generated");
if (buf_get_u32((uint8_t*)&optionbyte, OPT_RDRSTSTDBY, 1))
- command_print(cmd_ctx, "Standby: No reset generated");
+ command_print(CMD_CTX, "Standby: No reset generated");
else
- command_print(cmd_ctx, "Standby: Reset generated");
+ command_print(CMD_CTX, "Standby: Reset generated");
return ERROR_OK;
}
-static int stm32x_handle_options_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(stm32x_handle_options_write_command)
{
- flash_bank_t *bank;
- target_t *target = NULL;
- stm32x_flash_bank_t *stm32x_info = NULL;
+ struct target *target = NULL;
+ struct stm32x_flash_bank *stm32x_info = NULL;
uint16_t optionbyte = 0xF8;
- if (argc < 4)
+ if (CMD_ARGC < 4)
{
- command_print(cmd_ctx, "stm32x options_write <bank> <SWWDG|HWWDG> <RSTSTNDBY|NORSTSTNDBY> <RSTSTOP|NORSTSTOP>");
+ command_print(CMD_CTX, "stm32x options_write <bank> <SWWDG | HWWDG> <RSTSTNDBY | NORSTSTNDBY> <RSTSTOP | NORSTSTOP>");
return ERROR_OK;
}
- bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (!bank)
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- return ERROR_OK;
- }
+ struct flash_bank *bank;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
+ if (ERROR_OK != retval)
+ return retval;
stm32x_info = bank->driver_priv;
return ERROR_TARGET_NOT_HALTED;
}
- if (strcmp(args[1], "SWWDG") == 0)
+ if (strcmp(CMD_ARGV[1], "SWWDG") == 0)
{
- optionbyte |= (1<<0);
+ optionbyte |= (1 << 0);
}
else
{
- optionbyte &= ~(1<<0);
+ optionbyte &= ~(1 << 0);
}
- if (strcmp(args[2], "NORSTSTNDBY") == 0)
+ if (strcmp(CMD_ARGV[2], "NORSTSTNDBY") == 0)
{
- optionbyte |= (1<<1);
+ optionbyte |= (1 << 1);
}
else
{
- optionbyte &= ~(1<<1);
+ optionbyte &= ~(1 << 1);
}
- if (strcmp(args[3], "NORSTSTOP") == 0)
+ if (strcmp(CMD_ARGV[3], "NORSTSTOP") == 0)
{
- optionbyte |= (1<<2);
+ optionbyte |= (1 << 2);
}
else
{
- optionbyte &= ~(1<<2);
+ optionbyte &= ~(1 << 2);
}
if (stm32x_erase_options(bank) != ERROR_OK)
{
- command_print(cmd_ctx, "stm32x failed to erase options");
+ command_print(CMD_CTX, "stm32x failed to erase options");
return ERROR_OK;
}
if (stm32x_write_options(bank) != ERROR_OK)
{
- command_print(cmd_ctx, "stm32x failed to write options");
+ command_print(CMD_CTX, "stm32x failed to write options");
return ERROR_OK;
}
- command_print(cmd_ctx, "stm32x write options complete");
+ command_print(CMD_CTX, "stm32x write options complete");
return ERROR_OK;
}
-static int stm32x_mass_erase(struct flash_bank_s *bank)
+static int stm32x_mass_erase(struct flash_bank *bank)
{
- target_t *target = bank->target;
+ struct target *target = bank->target;
uint32_t status;
if (target->state != TARGET_HALTED)
/* mass erase flash memory */
target_write_u32(target, STM32_FLASH_CR, FLASH_MER);
- target_write_u32(target, STM32_FLASH_CR, FLASH_MER|FLASH_STRT);
+ target_write_u32(target, STM32_FLASH_CR, FLASH_MER | FLASH_STRT);
status = stm32x_wait_status_busy(bank, 10);
target_write_u32(target, STM32_FLASH_CR, FLASH_LOCK);
- if ( status & FLASH_WRPRTERR )
+ if (status & FLASH_WRPRTERR)
{
LOG_ERROR("stm32x device protected");
return ERROR_OK;
}
- if ( status & FLASH_PGERR )
+ if (status & FLASH_PGERR)
{
LOG_ERROR("stm32x device programming failed");
return ERROR_OK;
return ERROR_OK;
}
-static int stm32x_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(stm32x_handle_mass_erase_command)
{
- flash_bank_t *bank;
int i;
- if (argc < 1)
+ if (CMD_ARGC < 1)
{
- command_print(cmd_ctx, "stm32x mass_erase <bank>");
+ command_print(CMD_CTX, "stm32x mass_erase <bank>");
return ERROR_OK;
}
- bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (!bank)
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- return ERROR_OK;
- }
+ struct flash_bank *bank;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
+ if (ERROR_OK != retval)
+ return retval;
if (stm32x_mass_erase(bank) == ERROR_OK)
{
bank->sectors[i].is_erased = 1;
}
- command_print(cmd_ctx, "stm32x mass erase complete");
+ command_print(CMD_CTX, "stm32x mass erase complete");
}
else
{
- command_print(cmd_ctx, "stm32x mass erase failed");
+ command_print(CMD_CTX, "stm32x mass erase failed");
}
return ERROR_OK;
}
+
+static int stm32x_register_commands(struct command_context *cmd_ctx)
+{
+ struct command *stm32x_cmd = COMMAND_REGISTER(cmd_ctx, NULL, "stm32x",
+ NULL, COMMAND_ANY, "stm32x flash specific commands");
+
+ COMMAND_REGISTER(cmd_ctx, stm32x_cmd, "lock",
+ stm32x_handle_lock_command, COMMAND_EXEC,
+ "lock device");
+ COMMAND_REGISTER(cmd_ctx, stm32x_cmd, "unlock",
+ stm32x_handle_unlock_command, COMMAND_EXEC,
+ "unlock protected device");
+ COMMAND_REGISTER(cmd_ctx, stm32x_cmd, "mass_erase",
+ stm32x_handle_mass_erase_command, COMMAND_EXEC,
+ "mass erase device");
+ COMMAND_REGISTER(cmd_ctx, stm32x_cmd, "options_read",
+ stm32x_handle_options_read_command, COMMAND_EXEC,
+ "read device option bytes");
+ COMMAND_REGISTER(cmd_ctx, stm32x_cmd, "options_write",
+ stm32x_handle_options_write_command, COMMAND_EXEC,
+ "write device option bytes");
+
+ return ERROR_OK;
+}
+
+struct flash_driver stm32x_flash = {
+ .name = "stm32x",
+ .register_commands = &stm32x_register_commands,
+ .flash_bank_command = &stm32x_flash_bank_command,
+ .erase = &stm32x_erase,
+ .protect = &stm32x_protect,
+ .write = &stm32x_write,
+ .probe = &stm32x_probe,
+ .auto_probe = &stm32x_auto_probe,
+ .erase_check = &default_flash_mem_blank_check,
+ .protect_check = &stm32x_protect_check,
+ .info = &stm32x_info,
+ };