auracaster/openocd
3
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

flash/stm32fxx.c: do not read CPUID as this info is stored in cortex_m_common

Browse Source 
In these drivers we read CPUID to check the Cortex-M PARTNO,
but now the PARTNO is stored in struct cortex_m_common.core_info.

Change-Id: I5bb3b95210ab6e23b8e1252686dd81015740bf68
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: http://openocd.zylin.com/6240
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Tarek BOCHKATI
2021-05-13 14:28:24 +01:00
committed by Antonio Borneo
parent 1185760729
commit f5898bd93f
2 changed files with 37 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/flash/nor/stm32f2x.c
View File

@@ -29,7 +29,7 @@
#include "imp.h"
#include <helper/binarybuffer.h>
#include <target/algorithm.h>
#include <target/armv7m.h>
#include <target/cortex_m.h>
/* Regarding performance:
*
@@ -968,25 +968,17 @@ static int stm32x_get_device_id(struct flash_bank *bank, uint32_t *device_id)
* Only effects Rev A silicon */
struct target *target = bank->target;
uint32_t cpuid;
struct cortex_m_common *cortex_m = target_to_cm(target);
/* read stm32 device id register */
int retval = target_read_u32(target, 0xE0042000, device_id);
if (retval != ERROR_OK)
return retval;
if ((*device_id & 0xfff) == 0x411) {
/* read CPUID reg to check core type */
retval = target_read_u32(target, 0xE000ED00, &cpuid);
if (retval != ERROR_OK)
return retval;
/* check for cortex_m4 */
if (((cpuid >> 4) & 0xFFF) == 0xC24) {
*device_id &= ~((0xFFFF << 16) | 0xfff);
*device_id |= (0x1000 << 16) | 0x413;
LOG_INFO("stm32f4x errata detected - fixing incorrect MCU_IDCODE");
}
if ((*device_id & 0xfff) == 0x411 && cortex_m->core_info->partno == CORTEX_M4_PARTNO) {
*device_id &= ~((0xFFFF << 16) | 0xfff);
*device_id |= (0x1000 << 16) | 0x413;
LOG_INFO("stm32f4x errata detected - fixing incorrect MCU_IDCODE");
}
return retval;
}