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Add STM32F7.

This commit is contained in:
Uwe Bonnes 2015-08-11 12:29:22 +02:00
parent 043a2d804d
commit 51e2adc6d9
1 changed files with 40 additions and 7 deletions
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47
src/stm32f4.c
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@ -52,6 +52,7 @@ static int stm32f4_flash_write(struct target_flash *f,
uint32_t dest, const void *src, size_t len);
static const char stm32f4_driver_str[] = "STM32F4xx";
static const char stm32f7_driver_str[] = "STM32F7xx";
/* Flash Program ad Erase Controller Register Map */
#define FPEC_BASE 0x40023C00
@ -92,7 +93,16 @@ static const char stm32f4_driver_str[] = "STM32F4xx";
#define DBGMCU_IDCODE 0xE0042000
/* This routine is uses word access. Only usable on target voltage >2.7V */
#define DBGMCU_CR 0xE0042004
#define DBG_STANDBY (1 << 0)
#define DBG_STOP (1 << 1)
#define DBG_SLEEP (1 << 2)
#define DBGMCU_APB1_FZ 0xE0042008
#define DBG_WWDG_STOP (1 << 11)
#define DBG_IWDG_STOP (1 << 12)
/* This routine uses word access. Only usable on target voltage >2.7V */
static const uint16_t stm32f4_flash_write_stub[] = {
#include "../flashstub/stm32f4.stub"
};
@ -127,7 +137,8 @@ bool stm32f4_probe(target *t)
uint32_t idcode;
idcode = target_mem_read32(t, DBGMCU_IDCODE);
switch(idcode & 0xFFF) {
idcode &= 0xFFF;
switch(idcode) {
case 0x419: /* 427/437 */
/* Second bank for 2M parts. */
stm32f4_add_flash(t, 0x8100000, 0x10000, 0x4000, 12);
@ -147,9 +158,21 @@ bool stm32f4_probe(target *t)
stm32f4_add_flash(t, 0x8010000, 0x10000, 0x10000, 4);
stm32f4_add_flash(t, 0x8020000, 0xE0000, 0x20000, 5);
target_add_commands(t, stm32f4_cmd_list, "STM32F4");
return true;
break;
case 0x449: /* F7x6 RM0385 Rev.2 */
t->driver = stm32f7_driver_str;
target_add_ram(t, 0x00000000, 0x4000);
target_add_ram(t, 0x20000000, 0x50000);
stm32f4_add_flash(t, 0x8000000, 0x20000, 0x8000, 0);
stm32f4_add_flash(t, 0x8020000, 0x20000, 0x20000, 4);
stm32f4_add_flash(t, 0x8040000, 0xC0000, 0x40000, 5);
target_add_commands(t, stm32f4_cmd_list, "STM32F7");
break;
default:
return false;
}
return false;
t->idcode = idcode;
return true;
}
static void stm32f4_flash_unlock(target *t)
@ -258,7 +281,17 @@ static bool stm32f4_option_write(target *t, uint32_t value)
static bool stm32f4_cmd_option(target *t, int argc, char *argv[])
{
uint32_t addr, val;
uint32_t start, val;
int len;
if (t->idcode == 0x449) {
start = 0x1FFF0000;
len = 0x20;
}
else {
start = 0x1FFFC000;
len = 0x10;
}
if ((argc == 2) && !strcmp(argv[1], "erase")) {
stm32f4_option_write(t, 0x0fffaaed);
@ -271,8 +304,8 @@ static bool stm32f4_cmd_option(target *t, int argc, char *argv[])
gdb_out("usage: monitor option write <value>\n");
}
for (int i = 0; i < 0xf; i += 8) {
addr = 0x1fffC000 + i;
for (int i = 0; i < len; i += 8) {
uint32_t addr = start + i;
val = target_mem_read32(t, addr);
gdb_outf("0x%08X: 0x%04X\n", addr, val & 0xFFFF);
}