diff options
Diffstat (limited to 'src/stm32/stm32g0.c')
| -rw-r--r-- | src/stm32/stm32g0.c | 28 |
1 files changed, 2 insertions, 26 deletions
diff --git a/src/stm32/stm32g0.c b/src/stm32/stm32g0.c index f42ac777..41f7f6f2 100644 --- a/src/stm32/stm32g0.c +++ b/src/stm32/stm32g0.c @@ -128,36 +128,12 @@ clock_setup(void) * Bootloader ****************************************************************/ -#define USB_BOOT_FLAG_ADDR (CONFIG_RAM_START + CONFIG_RAM_SIZE - 1024) -#define USB_BOOT_FLAG 0x55534220424f4f54 // "USB BOOT" - -// Flag that bootloader is desired and reboot -static void -usb_reboot_for_dfu_bootloader(void) -{ - irq_disable(); - *(uint64_t*)USB_BOOT_FLAG_ADDR = USB_BOOT_FLAG; - NVIC_SystemReset(); -} - -// Check if rebooting into system DFU Bootloader -static void -check_usb_dfu_bootloader(void) -{ - if (!CONFIG_USB || *(uint64_t*)USB_BOOT_FLAG_ADDR != USB_BOOT_FLAG) - return; - *(uint64_t*)USB_BOOT_FLAG_ADDR = 0; - uint32_t *sysbase = (uint32_t*)0x1fff0000; - asm volatile("mov sp, %0\n bx %1" - : : "r"(sysbase[0]), "r"(sysbase[1])); -} - // Handle USB reboot requests void bootloader_request(void) { try_request_canboot(); - usb_reboot_for_dfu_bootloader(); + dfu_reboot(); } @@ -185,7 +161,7 @@ armcm_main(void) RCC->APBENR1 = 0x00000000; RCC->APBENR2 = 0x00000000; - check_usb_dfu_bootloader(); + dfu_reboot_check(); // Set flash latency, cache and prefetch; use reset value as base uint32_t acr = 0x00040600; |