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Merge pull request #428 from UweBonnes/stm32g0 

Stm32 functional additions and fix
This commit is contained in:
UweBonnes 2019-01-09 17:17:56 +01:00 committed by GitHub
parent a65ce77466 7cc02867ae
commit 488436c46a
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 53 additions and 16 deletions
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5
src/target/stm32f4.c
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@ -134,6 +134,7 @@ static void stm32f4_add_flash(target *t,
uint32_t addr, size_t length, size_t blocksize,
unsigned int base_sector, int split)
{
if (length == 0) return;
struct stm32f4_flash *sf = calloc(1, sizeof(*sf));
struct target_flash *f = &sf->f;
f->start = addr;
@ -333,7 +334,9 @@ static bool stm32f4_attach(target *t)
stm32f4_add_flash(t, 0x8020000, 0x20000, 0x20000, 4, split);
stm32f4_add_flash(t, 0x8040000, remains, 0x40000, 5, split);
} else {
uint32_t remains = banksize - 0x20000; /* 128 k in small sectors.*/
uint32_t remains = 0;
if (banksize > 0x20000)
remains = banksize - 0x20000; /* 128 k in small sectors.*/
if (is_f7) {
stm32f4_add_flash(t, ITCM_BASE, 0x10000, 0x4000, 0, split);
stm32f4_add_flash(t, 0x0210000, 0x10000, 0x10000, 4, split);

54
src/target/stm32l4.c
View File

@ -108,7 +108,10 @@ static int stm32l4_flash_write(struct target_flash *f,
#define OR_DB1M (1 << 21)
#define OR_DBANK (1 << 22)
#define DBGMCU_IDCODE 0xE0042000
enum {
STM32G0_DBGMCU_IDCODE_PHYS = 0x40015800,
STM32L4_DBGMCU_IDCODE_PHYS = 0xe0042000,
};
#define FLASH_SIZE_REG 0x1FFF75E0
struct stm32l4_flash {
@ -134,9 +137,11 @@ static void stm32l4_add_flash(target *t,
}
enum ID_STM32L4 {
ID_STM32L43 = 0x435, /* RM0394, Rev.3 */
ID_STM32L45 = 0x462, /* RM0394, Rev.3 */
ID_STM32L43 = 0x435, /* RM0394, Rev.4 */
ID_STM32L45 = 0x462, /* RM0394, Rev.4 */
ID_STM32L41 = 0x464, /* RM0394, Rev.4 */
ID_STM32L47 = 0x415, /* RM0351, Rev.5 */
ID_STM32G07 = 0x460, /* RM0444/454, Rev.1 */
ID_STM32L49 = 0x461, /* RM0351, Rev.5 */
ID_STM32L4R = 0x470, /* RM0432, Rev.5 */
};
@ -145,13 +150,28 @@ bool stm32l4_probe(target *t)
{
const char* designator = NULL;
bool dual_bank = false;
bool is_stm32g0 = false;
uint32_t size;
uint16_t sram1_size = 0;
uint16_t sram2_size = 0;
uint16_t sram3_size = 0;
uint32_t idcode = target_mem_read32(t, DBGMCU_IDCODE) & 0xFFF;
uint32_t idcode_reg = STM32L4_DBGMCU_IDCODE_PHYS;
ADIv5_AP_t *ap = cortexm_ap(t);
if (ap->dp->idcode == 0x0BC11477)
idcode_reg = STM32G0_DBGMCU_IDCODE_PHYS;
uint32_t idcode = target_mem_read32(t, idcode_reg) & 0xfff;
switch(idcode) {
case ID_STM32G07:
designator = "STM32G07";
is_stm32g0 = true;
sram1_size = 36;
break;
case ID_STM32L41:
designator = "STM32L41x";
sram1_size = 32;
sram2_size = 8;
break;
case ID_STM32L43:
designator = "STM32L43x";
sram1_size = 48;
@ -186,11 +206,15 @@ bool stm32l4_probe(target *t)
return false;
}
t->driver = designator;
if (is_stm32g0) {
target_add_ram(t, 0x20000000, sram1_size << 10);
} else {
target_add_ram(t, 0x10000000, sram2_size << 10);
/* All L4 beside L47 alias SRAM2 after SRAM1.*/
uint32_t ramsize = (idcode == ID_STM32L47)?
sram1_size : (sram1_size + sram2_size + sram3_size);
target_add_ram(t, 0x20000000, ramsize << 10);
}
size = (target_mem_read32(t, FLASH_SIZE_REG) & 0xffff);
if (dual_bank) {
uint32_t options = target_mem_read32(t, FLASH_OPTR);
@ -335,11 +359,16 @@ static bool stm32l4_cmd_erase_bank2(target *t)
return stm32l4_cmd_erase(t, FLASH_CR_MER2);
}
static const uint8_t i2offset[9] = {
static const uint8_t l4_i2offset[9] = {
0x20, 0x24, 0x28, 0x2c, 0x30, 0x44, 0x48, 0x4c, 0x50
};
static bool stm32l4_option_write(target *t, const uint32_t *values, int len)
static const uint8_t g0_i2offset[7] = {
0x20, 0x24, 0x28, 0x2c, 0x30, 0x34, 0x38
};
static bool stm32l4_option_write(
target *t,const uint32_t *values, int len, const uint8_t *i2offset)
{
tc_printf(t, "Device will loose connection. Rescan!\n");
stm32l4_flash_unlock(t);
@ -384,12 +413,17 @@ static bool stm32l4_cmd_option(target *t, int argc, char *argv[])
int len;
bool res = false;
if (t->idcode == 0x435) /* L43x */
const uint8_t *i2offset = l4_i2offset;
if (t->idcode == 0x435) {/* L43x */
len = 5;
else
} else if (t->idcode == 0x460) {/* G07x */
i2offset = g0_i2offset;
len = 7;
} else {
len = 9;
}
if ((argc == 2) && !strcmp(argv[1], "erase")) {
res = stm32l4_option_write(t, values, len);
res = stm32l4_option_write(t, values, len, i2offset);
} else if ((argc > 2) && !strcmp(argv[1], "write")) {
int i;
for (i = 2; i < argc; i++)
@ -402,7 +436,7 @@ static bool stm32l4_cmd_option(target *t, int argc, char *argv[])
values[0]++;
tc_printf(t, "Changing Level 2 request to Level 1!");
}
res = stm32l4_option_write(t, values, len);
res = stm32l4_option_write(t, values, len, i2offset);
} else {
tc_printf(t, "usage: monitor option erase\n");
tc_printf(t, "usage: monitor option write <value> ...\n");