From 4af87865875755b421873e7e4e43ece958ab00ee Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Thu, 15 Dec 2022 11:23:28 -0500 Subject: stm32: Move dfu reboot logic to new dfu_reboot.c file Move the stm32 DFU reboot logic to a new dfu_reboot.c file. This simplifies the per-chip code. Signed-off-by: Kevin O'Connor --- src/stm32/stm32g4.c | 29 ++--------------------------- 1 file changed, 2 insertions(+), 27 deletions(-) (limited to 'src/stm32/stm32g4.c') diff --git a/src/stm32/stm32g4.c b/src/stm32/stm32g4.c index a0dd32c0..c3cf0969 100644 --- a/src/stm32/stm32g4.c +++ b/src/stm32/stm32g4.c @@ -139,36 +139,11 @@ clock_setup(void) * Bootloader ****************************************************************/ -#define USB_BOOT_FLAG_ADDR (CONFIG_RAM_START + CONFIG_RAM_SIZE - 4096) -#define USB_BOOT_FLAG 0x55534220424f4f54 // "USB BOOT" - -// Flag that bootloader is desired and reboot -static void -usb_reboot_for_dfu_bootloader(void) -{ - irq_disable(); - // System DFU Bootloader - *(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) { - usb_reboot_for_dfu_bootloader(); + dfu_reboot(); } @@ -180,7 +155,7 @@ bootloader_request(void) void armcm_main(void) { - check_usb_dfu_bootloader(); + dfu_reboot_check(); // Run SystemInit() and then restore VTOR SystemInit(); -- cgit v1.2.3-70-g09d2