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stm32f2x.c: Add STM32F74x handling. 

Change-Id: I2e7a8e9f855fc99a3f2535e2af6c0921329a5013
Signed-off-by: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Reviewed-on: http://openocd.zylin.com/2940
Tested-by: jenkins
Reviewed-by: Rémi PRUD'HOMME <prudhomme.remi@gmail.com>
Reviewed-by: Juha Niskanen <juha.niskanen@haltian.com>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Uwe Bonnes 2015-08-17 17:10:47 +02:00 committed by Andreas Fritiofson
parent 6cfec28067
commit cde29ce99b
1 changed files with 36 additions and 6 deletions
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42
src/flash/nor/stm32f2x.c
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@ -65,6 +65,9 @@
* 1 MiByte STM32F42x/43x part with DB1M Option set:
* 4 x 16, 1 x 64, 3 x 128, 4 x 16, 1 x 64, 3 x 128.
*
* STM32F7
* 1 MiByte part with 4 x 32, 1 x 128, 3 x 256.
*
* Protection size is sector size.
*
* Tested with STM3220F-EVAL board.
@ -78,6 +81,11 @@
* www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/
* PROGRAMMING_MANUAL/CD00233952.pdf
*
* STM32F7xx series for reference.
*
* RM0385
* http://www.st.com/web/en/resource/technical/document/reference_manual/DM00124865.pdf
*
* STM32F1x series - notice that this code was copy, pasted and knocked
* into a stm32f2x driver, so in case something has been converted or
* bugs haven't been fixed, here are the original manuals:
@ -759,6 +767,8 @@ static int stm32x_probe(struct flash_bank *bank)
struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
int i;
uint16_t flash_size_in_kb;
uint32_t flash_size_reg = 0x1FFF7A22;
uint16_t max_sector_size_in_kb = 128;
uint16_t max_flash_size_in_kb;
uint32_t device_id;
uint32_t base_address = 0x08000000;
@ -789,13 +799,18 @@ static int stm32x_probe(struct flash_bank *bank)
case 0x421:
max_flash_size_in_kb = 512;
break;
case 0x449:
max_flash_size_in_kb = 1024;
max_sector_size_in_kb = 256;
flash_size_reg = 0x1FF0F442;
break;
default:
LOG_WARNING("Cannot identify target as a STM32 family.");
return ERROR_FAIL;
}
/* get flash size from target. */
retval = target_read_u16(target, 0x1FFF7A22, &flash_size_in_kb);
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 */
@ -818,7 +833,7 @@ static int stm32x_probe(struct flash_bank *bank)
assert(flash_size_in_kb != 0xffff);
/* calculate numbers of pages */
int num_pages = (flash_size_in_kb / 128) + 4;
int num_pages = (flash_size_in_kb / max_sector_size_in_kb) + 4;
/* Devices with > 1024 kiByte always are dual-banked */
if (flash_size_in_kb > 1024)
@ -856,8 +871,8 @@ static int stm32x_probe(struct flash_bank *bank)
bank->size = 0;
/* fixed memory */
setup_sector(bank, 0, 4, 16 * 1024);
setup_sector(bank, 4, 1, 64 * 1024);
setup_sector(bank, 0, 4, (max_sector_size_in_kb / 8) * 1024);
setup_sector(bank, 4, 1, (max_sector_size_in_kb / 2) * 1024);
if (stm32x_info->has_large_mem) {
if (flash_size_in_kb == 1024) {
@ -872,7 +887,8 @@ static int stm32x_probe(struct flash_bank *bank)
setup_sector(bank, 17, 7, 128 * 1024);
}
} else {
setup_sector(bank, 4 + 1, MIN(12, num_pages) - 5, 128 * 1024);
setup_sector(bank, 4 + 1, MIN(12, num_pages) - 5,
max_sector_size_in_kb * 1024);
}
for (i = 0; i < num_pages; i++) {
bank->sectors[i].is_erased = -1;
@ -984,8 +1000,22 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
}
break;
case 0x449:
device_str = "STM32F7[4|5]x";
switch (rev_id) {
case 0x1000:
rev_str = "A";
break;
case 0x1001:
rev_str = "Z";
break;
}
break;
default:
snprintf(buf, buf_size, "Cannot identify target as a STM32F2/4\n");
snprintf(buf, buf_size, "Cannot identify target as a STM32F2/4/7\n");
return ERROR_FAIL;
}