Mirror/betaflight
1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-19 14:25:20 +03:00
Code Issues Wiki Activity

G4 system files update

Browse source
This commit is contained in:
jflyper 2020-10-02 17:11:08 +09:00
parent e4d7c4e152
commit 65e8a0dce7
3 changed files with 7 additions and 88 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/main/drivers/system.h
View file

@ -69,10 +69,6 @@ uint32_t getCycleCounter(void);
#if defined(STM32H7) || defined(STM32G4)
void systemCheckResetReason(void);
#endif
#if defined(STM32G4)
void systemBOOT0PinBootLoaderEnable(void);
#endif
void initialiseMemorySections(void);

84
src/main/drivers/system_stm32g4xx.c
View file

@ -84,30 +84,12 @@ void systemReset(void)
NVIC_SystemReset();
}
void forcedSystemResetWithoutDisablingCaches(void)
{
persistentObjectWrite(PERSISTENT_OBJECT_RESET_REASON, RESET_FORCED);
__disable_irq();
NVIC_SystemReset();
}
void systemResetToBootloader(bootloaderRequestType_e requestType)
{
switch (requestType) {
#if defined(USE_FLASH_BOOT_LOADER)
case BOATLOADER_REQUEST_FLASH:
persistentObjectWrite(PERSISTENT_OBJECT_RESET_REASON, RESET_FLASH_BOOTLOADER_REQUEST);
UNUSED(requestType);
break;
#endif
case BOOTLOADER_REQUEST_ROM:
default:
persistentObjectWrite(PERSISTENT_OBJECT_RESET_REASON, RESET_BOOTLOADER_REQUEST_ROM);
break;
}
__disable_irq();
NVIC_SystemReset();
}
@ -131,77 +113,21 @@ void systemJumpToBootloader(void)
while (1);
}
static uint32_t bootloaderRequest;
void systemCheckResetReason(void)
{
bootloaderRequest = persistentObjectRead(PERSISTENT_OBJECT_RESET_REASON);
uint32_t bootloaderRequest = persistentObjectRead(PERSISTENT_OBJECT_RESET_REASON);
switch (bootloaderRequest) {
#if defined(USE_FLASH_BOOT_LOADER)
case BOATLOADER_REQUEST_FLASH:
#endif
case RESET_BOOTLOADER_REQUEST_ROM:
persistentObjectWrite(PERSISTENT_OBJECT_RESET_REASON, RESET_BOOTLOADER_POST);
break;
case RESET_MSC_REQUEST:
// RESET_REASON will be reset by MSC
return;
case RESET_FORCED:
persistentObjectWrite(PERSISTENT_OBJECT_RESET_REASON, RESET_NONE);
return;
case RESET_NONE:
if (!(RCC->CSR & RCC_CSR_SFTRSTF)) {
// Direct hard reset case
return;
}
// Soft reset; boot loader may have been active with BOOT pin pulled high.
FALLTHROUGH;
case RESET_BOOTLOADER_POST:
// Boot loader activity magically prevents SysTick from interrupting.
// Issue a soft reset to prevent the condition.
forcedSystemResetWithoutDisablingCaches(); // observed that disabling dcache after cold boot with BOOT pin high causes segfault.
case RESET_BOOTLOADER_REQUEST_ROM:
persistentObjectWrite(PERSISTENT_OBJECT_RESET_REASON, RESET_NONE);
break;;
}
void (*SysMemBootJump)(void);
__SYSCFG_CLK_ENABLE();
systemJumpToBootloader();
#define SYSTEM_BOOTLOADER_VEC 0x1fff0000
uint32_t p = (*((uint32_t *)SYSTEM_BOOTLOADER_VEC));
__set_MSP(p); //Set the main stack pointer to its defualt values
SysMemBootJump = (void (*)(void)) (*((uint32_t *)(SYSTEM_BOOTLOADER_VEC + 4))); // Point the PC to the System Memory reset vector (+4)
SysMemBootJump();
while (1);
}
// Nucleo-G474RE board seems to come with software BOOT0 enabled.
// Call this function once from init() to honor PB8-BOOT0 pin status for boot loader invocation.
void systemBOOT0PinBootLoaderEnable(void)
{
FLASH_OBProgramInitTypeDef OBInit;
HAL_FLASH_Unlock();
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPTVERR);
HAL_FLASH_OB_Unlock();
HAL_FLASHEx_OBGetConfig(&OBInit);
if ((OBInit.USERConfig & (OB_BOOT0_FROM_PIN|OB_BOOT1_SYSTEM)) != (OB_BOOT0_FROM_PIN|OB_BOOT1_SYSTEM)) {
OBInit.OptionType = OPTIONBYTE_USER;
OBInit.USERType = OB_USER_nSWBOOT0|OB_USER_nBOOT1;
OBInit.USERConfig = OB_BOOT0_FROM_PIN|OB_BOOT1_SYSTEM;
HAL_FLASHEx_OBProgram(&OBInit);
HAL_FLASH_OB_Launch();
}
HAL_FLASH_OB_Lock();
HAL_FLASH_Lock();
}

3
src/main/startup/system_stm32g4xx.c
View file

@ -77,9 +77,6 @@ void SystemInit(void)
SystemClock_Config();
SystemCoreClockUpdate();
// Enable BOOT0 pin, which some STM32G4 board, notably Nucleo-G474RE, comes disabled.
systemBOOT0PinBootLoaderEnable();
}
/**