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Diffstat (limited to 'tmk_core/common/chibios/flash_stm32.c')
-rw-r--r--tmk_core/common/chibios/flash_stm32.c48
1 files changed, 46 insertions, 2 deletions
diff --git a/tmk_core/common/chibios/flash_stm32.c b/tmk_core/common/chibios/flash_stm32.c
index 6b80ff71c3..72c41b8b78 100644
--- a/tmk_core/common/chibios/flash_stm32.c
+++ b/tmk_core/common/chibios/flash_stm32.c
@@ -19,10 +19,38 @@
#include <hal.h>
#include "flash_stm32.h"
-#if defined(EEPROM_EMU_STM32F103xB)
+#if defined(STM32F1XX)
# define FLASH_SR_WRPERR FLASH_SR_WRPRTERR
#endif
+#if defined(MCU_GD32V)
+/* GigaDevice GD32VF103 is a STM32F103 clone at heart. */
+# include "gd32v_compatibility.h"
+#endif
+
+#if defined(STM32F4XX)
+# define FLASH_SR_PGERR (FLASH_SR_PGSERR | FLASH_SR_PGPERR | FLASH_SR_PGAERR)
+
+# define FLASH_KEY1 0x45670123U
+# define FLASH_KEY2 0xCDEF89ABU
+
+static uint8_t ADDR2PAGE(uint32_t Page_Address) {
+ switch (Page_Address) {
+ case 0x08000000 ... 0x08003FFF:
+ return 0;
+ case 0x08004000 ... 0x08007FFF:
+ return 1;
+ case 0x08008000 ... 0x0800BFFF:
+ return 2;
+ case 0x0800C000 ... 0x0800FFFF:
+ return 3;
+ }
+
+ // TODO: bad times...
+ return 7;
+}
+#endif
+
/* Delay definition */
#define EraseTimeout ((uint32_t)0x00000FFF)
#define ProgramTimeout ((uint32_t)0x0000001F)
@@ -53,7 +81,9 @@ FLASH_Status FLASH_GetStatus(void) {
if ((FLASH->SR & FLASH_SR_WRPERR) != 0) return FLASH_ERROR_WRP;
+#if defined(FLASH_OBR_OPTERR)
if ((FLASH->SR & FLASH_OBR_OPTERR) != 0) return FLASH_ERROR_OPT;
+#endif
return FLASH_COMPLETE;
}
@@ -95,15 +125,24 @@ FLASH_Status FLASH_ErasePage(uint32_t Page_Address) {
if (status == FLASH_COMPLETE) {
/* if the previous operation is completed, proceed to erase the page */
+#if defined(FLASH_CR_SNB)
+ FLASH->CR &= ~FLASH_CR_SNB;
+ FLASH->CR |= FLASH_CR_SER | (ADDR2PAGE(Page_Address) << FLASH_CR_SNB_Pos);
+#else
FLASH->CR |= FLASH_CR_PER;
FLASH->AR = Page_Address;
+#endif
FLASH->CR |= FLASH_CR_STRT;
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation(EraseTimeout);
if (status != FLASH_TIMEOUT) {
- /* if the erase operation is completed, disable the PER Bit */
+ /* if the erase operation is completed, disable the configured Bits */
+#if defined(FLASH_CR_SNB)
+ FLASH->CR &= ~(FLASH_CR_SER | FLASH_CR_SNB);
+#else
FLASH->CR &= ~FLASH_CR_PER;
+#endif
}
FLASH->SR = (FLASH_SR_EOP | FLASH_SR_PGERR | FLASH_SR_WRPERR);
}
@@ -126,6 +165,11 @@ FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data) {
status = FLASH_WaitForLastOperation(ProgramTimeout);
if (status == FLASH_COMPLETE) {
/* if the previous operation is completed, proceed to program the new data */
+
+#if defined(FLASH_CR_PSIZE)
+ FLASH->CR &= ~FLASH_CR_PSIZE;
+ FLASH->CR |= FLASH_CR_PSIZE_0;
+#endif
FLASH->CR |= FLASH_CR_PG;
*(__IO uint16_t*)Address = Data;
/* Wait for last operation to be completed */