Change-Id: I54d7cd3a8c80d0e4663c3c09457a4ff338a6f1a0
Signed-off-by: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Reviewed-on: http://openocd.zylin.com/3503
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Tested-by: jenkins
struct stm32l4_flash_bank *stm32l4_info = bank->driver_priv;
int i;
uint16_t flash_size_in_kb = 0xffff;
struct stm32l4_flash_bank *stm32l4_info = bank->driver_priv;
int i;
uint16_t flash_size_in_kb = 0xffff;
+ uint16_t max_flash_size_in_kb;
uint32_t device_id;
uint32_t options;
uint32_t base_address = 0x08000000;
uint32_t device_id;
uint32_t options;
uint32_t base_address = 0x08000000;
/* set max flash size depending on family */
switch (device_id & 0xfff) {
case 0x415:
/* set max flash size depending on family */
switch (device_id & 0xfff) {
case 0x415:
+ max_flash_size_in_kb = 1024;
break;
default:
LOG_WARNING("Cannot identify target as a STM32L4 family.");
break;
default:
LOG_WARNING("Cannot identify target as a STM32L4 family.");
/* get flash size from target. */
retval = target_read_u16(target, FLASH_SIZE_REG, &flash_size_in_kb);
/* get flash size from target. */
retval = target_read_u16(target, FLASH_SIZE_REG, &flash_size_in_kb);
+ /* failed reading flash size or flash size invalid (early silicon),
+ * default to max target family */
+ if (retval != ERROR_OK || flash_size_in_kb == 0xffff || flash_size_in_kb == 0) {
+ LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming %dk flash",
+ max_flash_size_in_kb);
+ flash_size_in_kb = max_flash_size_in_kb;
+ }
+
+ LOG_INFO("flash size = %dkbytes", flash_size_in_kb);
+
+ /* did we assign flash size? */
+ assert(flash_size_in_kb != 0xffff);
+
/* get options to for DUAL BANK. */
retval = target_read_u32(target, STM32_FLASH_OPTR, &options);
/* get options to for DUAL BANK. */
retval = target_read_u32(target, STM32_FLASH_OPTR, &options);
else
stm32l4_info->option_bytes.bank_b_start = flash_size_in_kb << 9;
else
stm32l4_info->option_bytes.bank_b_start = flash_size_in_kb << 9;
- LOG_INFO("flash size = %dkbytes", flash_size_in_kb);
-
/* did we assign flash size? */
assert((flash_size_in_kb != 0xffff) && flash_size_in_kb);
/* did we assign flash size? */
assert((flash_size_in_kb != 0xffff) && flash_size_in_kb);
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