ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

STM32H7 CM4: correct FLASH_SIZE 

FLASH_SIZE_DATA_REGISTER is not accessible by M4,
acces makes a hard fault
pull/14822/head
jeromecoutant 2021-06-23 16:27:26 +02:00
parent cecc47b4a5
commit ec945ba990
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
targets/TARGET_STM/TARGET_STM32H7/STM32Cube_FW/CMSIS/stm32h747xx.h
View File

@ -13916,9 +13916,13 @@ typedef struct
*/
#define FLASH_SIZE_DATA_REGISTER 0x1FF1E880U
#define FLASH_SECTOR_TOTAL 8U /* 8 sectors */
#ifdef CORE_CM4
#define FLASH_SIZE 0x200000UL /* 2 MB */
#else
#define FLASH_SIZE ((((*((uint16_t *)FLASH_SIZE_DATA_REGISTER)) == 0xFFFFU)) ? 0x200000U : \
((((*((uint16_t *)FLASH_SIZE_DATA_REGISTER)) == 0x0000U)) ? 0x200000U : \
(((uint32_t)(*((uint16_t *)FLASH_SIZE_DATA_REGISTER)) & (0x0FFFU)) << 10U))) /* 2 MB */
#endif
#define FLASH_BANK_SIZE (FLASH_SIZE >> 1) /* 1 MB */
#define FLASH_SECTOR_SIZE 0x00020000UL /* 128 KB */
#define FLASH_LATENCY_DEFAULT FLASH_ACR_LATENCY_7WS /* FLASH Seven Latency cycles */