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stm32f4: Only construct memory map at attach.

This commit is contained in:
Gareth McMullin 2018-04-10 09:20:28 +12:00
parent 72c1498ae1
commit 1fd2a24c2d
1 changed files with 37 additions and 12 deletions
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49
src/target/stm32f4.c
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@ -48,7 +48,7 @@ const struct command_s stm32f4_cmd_list[] = {
{NULL, NULL, NULL}
};
static bool stm32f4_attach(target *t);
static int stm32f4_flash_erase(struct target_flash *f, target_addr addr,
size_t len);
static int stm32f4_flash_write(struct target_flash *f,
@ -170,16 +170,7 @@ static void stm32f4_add_flash(target *t,
bool stm32f4_probe(target *t)
{
uint32_t idcode;
const char* designator = NULL;
bool dual_bank = false;
bool has_ccmram = false;
bool is_f7 = false;
bool large_sectors = false;
uint32_t flashsize_base = F4_FLASHSIZE;
idcode = target_mem_read32(t, DBGMCU_IDCODE);
idcode &= 0xFFF;
uint32_t idcode = target_mem_read32(t, DBGMCU_IDCODE) & 0xFFF;
if (idcode == ID_STM32F20X) {
/* F405 revision A have a wrong IDCODE, use ARM_CPUID to make the
@ -190,6 +181,41 @@ bool stm32f4_probe(target *t)
idcode = ID_STM32F40X;
}
switch(idcode) {
case ID_STM32F40X:
case ID_STM32F42X: /* 427/437 */
case ID_STM32F46X: /* 469/479 */
case ID_STM32F20X: /* F205 */
case ID_STM32F446: /* F446 */
case ID_STM32F401C: /* F401 B/C RM0368 Rev.3 */
case ID_STM32F411: /* F411 RM0383 Rev.4 */
case ID_STM32F412: /* F412 RM0402 Rev.4, 256 kB Ram */
case ID_STM32F401E: /* F401 D/E RM0368 Rev.3 */
case ID_STM32F413: /* F413 RM0430 Rev.2, 320 kB Ram, 1.5 MB flash. */
case ID_STM32F74X: /* F74x RM0385 Rev.4 */
case ID_STM32F76X: /* F76x F77x RM0410 */
case ID_STM32F72X: /* F72x F73x RM0431 */
t->idcode = idcode;
t->driver = "STM32F4";
t->attach = stm32f4_attach;
return true;
default:
return false;
}
}
static bool stm32f4_attach(target *t)
{
const char* designator = NULL;
bool dual_bank = false;
bool has_ccmram = false;
bool is_f7 = false;
bool large_sectors = false;
uint32_t flashsize_base = F4_FLASHSIZE;
if (!cortexm_attach(t))
return false;
switch(t->idcode) {
case ID_STM32F40X:
designator = "STM32F40x";
has_ccmram = true;
@ -248,7 +274,6 @@ bool stm32f4_probe(target *t)
target_mem_write32(t, DBGMCU_CR, DBG_STANDBY| DBG_STOP | DBG_SLEEP);
t->driver = designator;
target_add_commands(t, stm32f4_cmd_list, designator);
t->idcode = idcode;
bool use_dual_bank = false;
uint32_t flashsize = target_mem_read32(t, flashsize_base) & 0xffff;
if (is_f7) {