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Diffstat (limited to 'src/stm32/stm32h7.c')
-rw-r--r--src/stm32/stm32h7.c30
1 files changed, 2 insertions, 28 deletions
diff --git a/src/stm32/stm32h7.c b/src/stm32/stm32h7.c
index 43b7aa6e..dc9a29d1 100644
--- a/src/stm32/stm32h7.c
+++ b/src/stm32/stm32h7.c
@@ -208,38 +208,12 @@ clock_setup(void)
* Bootloader
****************************************************************/
-#define USB_BOOT_FLAG_ADDR (0x24000000 + 0x8000) // Place flag in "AXI SRAM"
-#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 *bflag = (void*)USB_BOOT_FLAG_ADDR;
- *bflag = USB_BOOT_FLAG;
- SCB_CleanDCache_by_Addr((void*)bflag, sizeof(*bflag));
- 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*)0x1FF09800;
- asm volatile("mov sp, %0\n bx %1"
- : : "r"(sysbase[0]), "r"(sysbase[1]));
-}
-
// Handle reboot requests
void
bootloader_request(void)
{
try_request_canboot();
- usb_reboot_for_dfu_bootloader();
+ dfu_reboot();
}
@@ -259,7 +233,7 @@ armcm_main(void)
RCC->D3CCIPR = 0x00000000;
SCB->VTOR = (uint32_t)VectorTable;
- check_usb_dfu_bootloader();
+ dfu_reboot_check();
clock_setup();