[PATCH 2/6] rockchip: Add DFU to boot from USB for Radxa ROCK 3A

[Kever Yang]

On 2025/2/11 14:13, FUKAUMI Naoki wrote:
> Boot the Radxa ROCK 3A from the USB OTG port using rkflashtool[1] or
> rkusbboot[2] and dfu-util.
>
> 1a. Download the TPL and SPL using rkflashtool
>
> $ rkflashtool l < mkimage-in-simple-bin.mkimage-rockchip-tpl
> $ rkflashtool L < mkimage-in-simple-bin.mkimage-u-boot-spl
>
> 1b. Download the TPL and SPL using rkusbboot
>
> $ rkusbboot \
> 	mkimage-in-simple-bin.mkimage-rockchip-tpl \
> 	mkimage-in-simple-bin.mkimage-u-boot-spl
>
> 2. Download the U-Boot
>
> $ dfu-util -a 0 -D u-boot.itb
>
> [1] https://github.com/linux-rockchip/rkflashtool
> [2] https://github.com/RadxaNaoki/rkusbboot
>
> Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   configs/rock-3a-rk3568_defconfig | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
>
> diff --git a/configs/rock-3a-rk3568_defconfig b/configs/rock-3a-rk3568_defconfig
> index 733ce631457..2efadeeb035 100644
> --- a/configs/rock-3a-rk3568_defconfig
> +++ b/configs/rock-3a-rk3568_defconfig
> @@ -28,9 +28,11 @@ CONFIG_DISPLAY_BOARDINFO_LATE=y
>   CONFIG_SPL_MAX_SIZE=0x40000
>   CONFIG_SPL_PAD_TO=0x7f8000
>   # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> +CONFIG_SPL_ENV_SUPPORT=y
>   CONFIG_SPL_SPI_LOAD=y
>   CONFIG_SYS_SPI_U_BOOT_OFFS=0x60000
>   CONFIG_SPL_ATF=y
> +CONFIG_CMD_DFU=y
>   CONFIG_CMD_GPIO=y
>   CONFIG_CMD_GPT=y
>   CONFIG_CMD_I2C=y
> @@ -51,6 +53,10 @@ CONFIG_SPL_SYSCON=y
>   CONFIG_SCSI_AHCI=y
>   CONFIG_AHCI_PCI=y
>   CONFIG_SPL_CLK=y
> +CONFIG_DFU_RAM=y
> +CONFIG_SYS_DFU_DATA_BUF_SIZE=0x100000
> +CONFIG_SYS_DFU_MAX_FILE_SIZE=0x200000
> +# CONFIG_USB_FUNCTION_FASTBOOT is not set
>   CONFIG_ROCKCHIP_GPIO=y
>   CONFIG_SYS_I2C_ROCKCHIP=y
>   CONFIG_LED=y
> @@ -85,6 +91,7 @@ CONFIG_SYS_NS16550_MEM32=y
>   CONFIG_ROCKCHIP_SFC=y
>   CONFIG_SYSRESET=y
>   CONFIG_USB=y
> +CONFIG_SPL_DM_USB_GADGET=y
>   CONFIG_USB_XHCI_HCD=y
>   CONFIG_USB_EHCI_HCD=y
>   CONFIG_USB_EHCI_GENERIC=y
> @@ -92,4 +99,9 @@ CONFIG_USB_OHCI_HCD=y
>   CONFIG_USB_OHCI_GENERIC=y
>   CONFIG_USB_DWC3=y
>   CONFIG_USB_DWC3_GENERIC=y
> +CONFIG_SPL_USB_DWC3_GENERIC=y
> +CONFIG_USB_GADGET=y
> +CONFIG_SPL_USB_GADGET=y
> +CONFIG_USB_GADGET_DOWNLOAD=y
> +CONFIG_SPL_DFU=y
>   CONFIG_ERRNO_STR=y