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| author | Kevin O'Connor <kevin@koconnor.net> | 2022-12-15 11:23:28 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2022-12-18 19:50:08 -0500 |
| commit | 4af87865875755b421873e7e4e43ece958ab00ee (patch) | |
| tree | fcef44139275082394abfc17257011a5da90566b /src/stm32/stm32g4.c | |
| parent | b6cd77f6e377060d2625126ffef9b2842e1cc25b (diff) | |
| download | kutter-4af87865875755b421873e7e4e43ece958ab00ee.tar.gz kutter-4af87865875755b421873e7e4e43ece958ab00ee.tar.xz kutter-4af87865875755b421873e7e4e43ece958ab00ee.zip | |
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 <kevin@koconnor.net>
Diffstat (limited to 'src/stm32/stm32g4.c')
| -rw-r--r-- | src/stm32/stm32g4.c | 29 |
1 files changed, 2 insertions, 27 deletions
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(); |