aboutsummaryrefslogtreecommitdiff
path: root/src/flash/nor/stm32f1x.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/flash/nor/stm32f1x.c')
-rw-r--r--src/flash/nor/stm32f1x.c134
1 files changed, 66 insertions, 68 deletions
diff --git a/src/flash/nor/stm32f1x.c b/src/flash/nor/stm32f1x.c
index cf10e37..990b48a 100644
--- a/src/flash/nor/stm32f1x.c
+++ b/src/flash/nor/stm32f1x.c
@@ -116,7 +116,7 @@ struct stm32x_options {
struct stm32x_flash_bank {
struct stm32x_options option_bytes;
int ppage_size;
- int probed;
+ bool probed;
bool has_dual_banks;
/* used to access dual flash bank stm32xl */
@@ -145,7 +145,7 @@ FLASH_BANK_COMMAND_HANDLER(stm32x_flash_bank_command)
stm32x_info = malloc(sizeof(struct stm32x_flash_bank));
bank->driver_priv = stm32x_info;
- stm32x_info->probed = 0;
+ stm32x_info->probed = false;
stm32x_info->has_dual_banks = false;
stm32x_info->can_load_options = false;
stm32x_info->register_base = FLASH_REG_BASE_B0;
@@ -229,34 +229,20 @@ static int stm32x_read_options(struct flash_bank *bank)
uint32_t option_bytes;
int retval;
- /* read user and read protection option bytes */
- retval = target_read_u32(target, STM32_OB_RDP, &option_bytes);
+ /* read user and read protection option bytes, user data option bytes */
+ retval = target_read_u32(target, STM32_FLASH_OBR_B0, &option_bytes);
if (retval != ERROR_OK)
return retval;
- stm32x_info->option_bytes.rdp = option_bytes & 0xFF;
- stm32x_info->option_bytes.user = (option_bytes >> 16) & 0xFF;
-
- /* read user data option bytes */
- retval = target_read_u32(target, STM32_OB_DATA0, &option_bytes);
- if (retval != ERROR_OK)
- return retval;
-
- stm32x_info->option_bytes.data = ((option_bytes >> 8) & 0xFF00) | (option_bytes & 0xFF);
+ stm32x_info->option_bytes.rdp = (option_bytes & (1 << OPT_READOUT)) ? 0 : stm32x_info->default_rdp;
+ stm32x_info->option_bytes.user = (option_bytes >> stm32x_info->option_offset >> 2) & 0xff;
+ stm32x_info->option_bytes.data = (option_bytes >> stm32x_info->user_data_offset) & 0xffff;
/* read write protection option bytes */
- retval = target_read_u32(target, STM32_OB_WRP0, &option_bytes);
+ retval = target_read_u32(target, STM32_FLASH_WRPR_B0, &stm32x_info->option_bytes.protection);
if (retval != ERROR_OK)
return retval;
- stm32x_info->option_bytes.protection = ((option_bytes >> 8) & 0xFF00) | (option_bytes & 0xFF);
-
- retval = target_read_u32(target, STM32_OB_WRP2, &option_bytes);
- if (retval != ERROR_OK)
- return retval;
-
- stm32x_info->option_bytes.protection |= (((option_bytes >> 8) & 0xFF00) | (option_bytes & 0xFF)) << 16;
-
return ERROR_OK;
}
@@ -382,7 +368,6 @@ static int stm32x_protect_check(struct flash_bank *bank)
static int stm32x_erase(struct flash_bank *bank, int first, int last)
{
struct target *target = bank->target;
- int i;
if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
@@ -400,7 +385,7 @@ static int stm32x_erase(struct flash_bank *bank, int first, int last)
if (retval != ERROR_OK)
return retval;
- for (i = first; i <= last; i++) {
+ for (int i = first; i <= last; i++) {
retval = target_write_u32(target, stm32x_get_flash_reg(bank, STM32_FLASH_CR), FLASH_PER);
if (retval != ERROR_OK)
return retval;
@@ -711,7 +696,7 @@ static int stm32x_probe(struct flash_bank *bank)
int page_size;
uint32_t base_address = 0x08000000;
- stm32x_info->probed = 0;
+ stm32x_info->probed = false;
stm32x_info->register_base = FLASH_REG_BASE_B0;
stm32x_info->user_data_offset = 10;
stm32x_info->option_offset = 0;
@@ -728,31 +713,79 @@ static int stm32x_probe(struct flash_bank *bank)
/* set page size, protection granularity and max flash size depending on family */
switch (device_id & 0xfff) {
- case 0x410: /* medium density */
+ case 0x440: /* stm32f05x */
+ page_size = 1024;
+ stm32x_info->ppage_size = 4;
+ max_flash_size_in_kb = 64;
+ stm32x_info->user_data_offset = 16;
+ stm32x_info->option_offset = 6;
+ stm32x_info->default_rdp = 0xAA;
+ stm32x_info->can_load_options = true;
+ break;
+ case 0x444: /* stm32f03x */
+ case 0x445: /* stm32f04x */
+ page_size = 1024;
+ stm32x_info->ppage_size = 4;
+ max_flash_size_in_kb = 32;
+ stm32x_info->user_data_offset = 16;
+ stm32x_info->option_offset = 6;
+ stm32x_info->default_rdp = 0xAA;
+ stm32x_info->can_load_options = true;
+ break;
+ case 0x448: /* stm32f07x */
+ page_size = 2048;
+ stm32x_info->ppage_size = 4;
+ max_flash_size_in_kb = 128;
+ stm32x_info->user_data_offset = 16;
+ stm32x_info->option_offset = 6;
+ stm32x_info->default_rdp = 0xAA;
+ stm32x_info->can_load_options = true;
+ break;
+ case 0x442: /* stm32f09x */
+ page_size = 2048;
+ stm32x_info->ppage_size = 4;
+ max_flash_size_in_kb = 256;
+ stm32x_info->user_data_offset = 16;
+ stm32x_info->option_offset = 6;
+ stm32x_info->default_rdp = 0xAA;
+ stm32x_info->can_load_options = true;
+ break;
+ case 0x410: /* stm32f1x medium-density */
page_size = 1024;
stm32x_info->ppage_size = 4;
max_flash_size_in_kb = 128;
break;
- case 0x412: /* low density */
+ case 0x412: /* stm32f1x low-density */
page_size = 1024;
stm32x_info->ppage_size = 4;
max_flash_size_in_kb = 32;
break;
- case 0x414: /* high density */
+ case 0x414: /* stm32f1x high-density */
page_size = 2048;
stm32x_info->ppage_size = 2;
max_flash_size_in_kb = 512;
break;
- case 0x418: /* connectivity line density */
+ case 0x418: /* stm32f1x connectivity */
page_size = 2048;
stm32x_info->ppage_size = 2;
max_flash_size_in_kb = 256;
break;
- case 0x420: /* value line density */
+ case 0x430: /* stm32f1 XL-density (dual flash banks) */
+ page_size = 2048;
+ stm32x_info->ppage_size = 2;
+ max_flash_size_in_kb = 1024;
+ stm32x_info->has_dual_banks = true;
+ break;
+ case 0x420: /* stm32f100xx low- and medium-density value line */
page_size = 1024;
stm32x_info->ppage_size = 4;
max_flash_size_in_kb = 128;
break;
+ case 0x428: /* stm32f100xx high-density value line */
+ page_size = 2048;
+ stm32x_info->ppage_size = 4;
+ max_flash_size_in_kb = 512;
+ break;
case 0x422: /* stm32f302/3xb/c */
page_size = 2048;
stm32x_info->ppage_size = 2;
@@ -771,17 +804,6 @@ static int stm32x_probe(struct flash_bank *bank)
stm32x_info->default_rdp = 0xAA;
stm32x_info->can_load_options = true;
break;
- case 0x428: /* value line High density */
- page_size = 2048;
- stm32x_info->ppage_size = 4;
- max_flash_size_in_kb = 128;
- break;
- case 0x430: /* xl line density (dual flash banks) */
- page_size = 2048;
- stm32x_info->ppage_size = 2;
- max_flash_size_in_kb = 1024;
- stm32x_info->has_dual_banks = true;
- break;
case 0x432: /* stm32f37x */
page_size = 2048;
stm32x_info->ppage_size = 2;
@@ -801,27 +823,6 @@ static int stm32x_probe(struct flash_bank *bank)
stm32x_info->default_rdp = 0xAA;
stm32x_info->can_load_options = true;
break;
- case 0x440: /* stm32f05x */
- case 0x444: /* stm32f03x */
- case 0x445: /* stm32f04x */
- page_size = 1024;
- stm32x_info->ppage_size = 4;
- max_flash_size_in_kb = 64;
- stm32x_info->user_data_offset = 16;
- stm32x_info->option_offset = 6;
- stm32x_info->default_rdp = 0xAA;
- stm32x_info->can_load_options = true;
- break;
- case 0x448: /* stm32f07x */
- case 0x442: /* stm32f09x */
- page_size = 2048;
- stm32x_info->ppage_size = 4;
- max_flash_size_in_kb = 256;
- stm32x_info->user_data_offset = 16;
- stm32x_info->option_offset = 6;
- stm32x_info->default_rdp = 0xAA;
- stm32x_info->can_load_options = true;
- break;
default:
LOG_WARNING("Cannot identify target as a STM32 family.");
return ERROR_FAIL;
@@ -900,7 +901,7 @@ static int stm32x_probe(struct flash_bank *bank)
if (num_prot_blocks == 32)
bank->prot_blocks[31].size = (num_pages - (31 * stm32x_info->ppage_size)) * page_size;
- stm32x_info->probed = 1;
+ stm32x_info->probed = true;
return ERROR_OK;
}
@@ -1368,8 +1369,7 @@ COMMAND_HANDLER(stm32x_handle_options_write_command)
COMMAND_PARSE_NUMBER(u16, CMD_ARGV[1], useropt);
CMD_ARGC--;
CMD_ARGV++;
- }
- else if (stm32x_info->has_dual_banks) {
+ } else if (stm32x_info->has_dual_banks) {
if (strcmp("BOOT0", CMD_ARGV[0]) == 0)
optionbyte |= (1 << 3);
else if (strcmp("BOOT1", CMD_ARGV[0]) == 0)
@@ -1488,8 +1488,6 @@ static int stm32x_mass_erase(struct flash_bank *bank)
COMMAND_HANDLER(stm32x_handle_mass_erase_command)
{
- int i;
-
if (CMD_ARGC < 1)
return ERROR_COMMAND_SYNTAX_ERROR;
@@ -1501,7 +1499,7 @@ COMMAND_HANDLER(stm32x_handle_mass_erase_command)
retval = stm32x_mass_erase(bank);
if (retval == ERROR_OK) {
/* set all sectors as erased */
- for (i = 0; i < bank->num_sectors; i++)
+ for (int i = 0; i < bank->num_sectors; i++)
bank->sectors[i].is_erased = 1;
command_print(CMD, "stm32x mass erase complete");
generated by cgit v1.1 at 2024-08-04 06:45:06 +0000