#include "binarybuffer.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;
-}
-
/* 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)
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
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);
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++)
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;
}
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);
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;
/* 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);
}
#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;
}
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;
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;
- }
+ flash_bank_t *bank;
+ int retval = flash_command_get_bank_by_num(cmd_ctx, args[0], &bank);
+ if (ERROR_OK != retval)
+ return retval;
stm32x_info = bank->driver_priv;
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;
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;
- }
+ flash_bank_t *bank;
+ int retval = flash_command_get_bank_by_num(cmd_ctx, args[0], &bank);
+ if (ERROR_OK != retval)
+ return retval;
stm32x_info = bank->driver_priv;
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;
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;
- }
+ flash_bank_t *bank;
+ int retval = flash_command_get_bank_by_num(cmd_ctx, args[0], &bank);
+ if (ERROR_OK != retval)
+ return retval;
stm32x_info = bank->driver_priv;
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;
uint16_t optionbyte = 0xF8;
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;
- }
+ flash_bank_t *bank;
+ int retval = flash_command_get_bank_by_num(cmd_ctx, args[0], &bank);
+ if (ERROR_OK != retval)
+ return retval;
stm32x_info = bank->driver_priv;
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)
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;
- }
+ flash_bank_t *bank;
+ int retval = flash_command_get_bank_by_num(cmd_ctx, args[0], &bank);
+ if (ERROR_OK != retval)
+ return retval;
if (stm32x_mass_erase(bank) == ERROR_OK)
{
return ERROR_OK;
}
+
+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;
+}
+
+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,
+ };
projects / fw / openocd / blobdiff