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boards/rp2040: support reboot bootloader via reset_usb_boot() #20059

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Merged
xiaoxiang781216 merged 1 commit into from
Sep 5, 2026
+18 −1
Merged

boards/rp2040: support reboot bootloader via reset_usb_boot() #20059

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2 changes: 2 additions & 0 deletions arch/arm/src/rp2040/rp2040_rom.h
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Original file line number Diff line number Diff line change
Expand Up @@ -63,3 +63,5 @@
****************************************************************************/

typedef void *(*rom_table_lookup_fn)(uint16_t *table, uint32_t code);
typedef void (*rom_reset_usb_boot_fn)(uint32_t usb_activity_gpio_pin_mask,
uint32_t disable_interface_mask);
17 changes: 16 additions & 1 deletion boards/arm/rp2040/common/src/rp2040_reset.c
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,10 @@
#include <nuttx/board.h>
#include <nuttx/arch.h>

#include <sys/boardctl.h>

#include "rp2040_rom.h"

#ifdef CONFIG_BOARDCTL_RESET

/****************************************************************************
Expand Down Expand Up @@ -56,7 +60,18 @@

int board_reset(int status)
{
up_systemreset();
if (status == BOARDIOC_SOFTRESETCAUSE_ENTER_BOOTLOADER)
{
rom_reset_usb_boot_fn reset_usb_boot;

reset_usb_boot = (rom_reset_usb_boot_fn)ROM_LOOKUP(ROM_RESET_USB_BOOT);
reset_usb_boot(0, 0);
}
else
{
up_systemreset();
}

return 0;
}

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