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flash: add stm32f3x support

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add support for the new stm32f3x family from stmicro:
http://www.st.com/stm32f3

Change-Id: Icd1db95bb2767d9c0ecef24deefa92b4fdaa4f14
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/735
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Spencer Oliver
2012-07-04 21:19:17 +01:00
committed by Andreas Fritiofson
parent 07251ab8d8
commit 1df6e59178
3 changed files with 139 additions and 0 deletions
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56
src/flash/nor/stm32f1x.c
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@@ -830,6 +830,9 @@ static int stm32x_get_device_id(struct flash_bank *bank, uint32_t *device_id)
} else if (((cpuid >> 4) & 0xFFF) == 0xC23) {
/* 0xC23 is M3 devices */
device_id_register = 0xE0042000;
} else if (((cpuid >> 4) & 0xFFF) == 0xC24) {
/* 0xC24 is M4 devices */
device_id_register = 0xE0042000;
} else {
LOG_ERROR("Cannot identify target as a stm32x");
return ERROR_FAIL;
@@ -858,6 +861,9 @@ static int stm32x_get_flash_size(struct flash_bank *bank, uint16_t *flash_size_i
} else if (((cpuid >> 4) & 0xFFF) == 0xC23) {
/* 0xC23 is M3 devices */
flash_size_reg = 0x1FFFF7E0;
} else if (((cpuid >> 4) & 0xFFF) == 0xC24) {
/* 0xC24 is M4 devices */
flash_size_reg = 0x1FFFF7CC;
} else {
LOG_ERROR("Cannot identify target as a stm32x");
return ERROR_FAIL;
@@ -957,6 +963,17 @@ static int stm32x_probe(struct flash_bank *bank)
LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 128k flash");
flash_size_in_kb = 128;
}
} else if ((device_id & 0xfff) == 0x422) {
/* stm32f30x - we have 2k pages
* 2 pages for a protection area */
page_size = 2048;
stm32x_info->ppage_size = 2;
/* check for early silicon */
if (flash_size_in_kb == 0xffff) {
LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 256k flash");
flash_size_in_kb = 256;
}
} else if ((device_id & 0xfff) == 0x428) {
/* value line High density - we have 2k pages
* 4 pages for a protection area */
@@ -993,6 +1010,17 @@ static int stm32x_probe(struct flash_bank *bank)
stm32x_info->register_base = FLASH_REG_BASE_B1;
base_address = 0x08080000;
}
} else if ((device_id & 0xfff) == 0x432) {
/* stm32f37x - we have 2k pages
* 2 pages for a protection area */
page_size = 2048;
stm32x_info->ppage_size = 2;
/* check for early silicon */
if (flash_size_in_kb == 0xffff) {
LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 256k flash");
flash_size_in_kb = 256;
}
} else if ((device_id & 0xfff) == 0x440) {
/* stm32f0x - we have 1k pages
* 4 pages for a protection area */
@@ -1158,6 +1186,20 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
snprintf(buf, buf_size, "Z");
break;
default:
snprintf(buf, buf_size, "unknown");
break;
}
} else if ((device_id & 0xfff) == 0x422) {
printed = snprintf(buf, buf_size, "stm32f30x - Rev: ");
buf += printed;
buf_size -= printed;
switch (device_id >> 16) {
case 0x1000:
snprintf(buf, buf_size, "1.0");
break;
default:
snprintf(buf, buf_size, "unknown");
break;
@@ -1190,6 +1232,20 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
snprintf(buf, buf_size, "A");
break;
default:
snprintf(buf, buf_size, "unknown");
break;
}
} else if ((device_id & 0xfff) == 0x432) {
printed = snprintf(buf, buf_size, "stm32f37x - Rev: ");
buf += printed;
buf_size -= printed;
switch (device_id >> 16) {
case 0x1000:
snprintf(buf, buf_size, "1.0");
break;
default:
snprintf(buf, buf_size, "unknown");
break;