[PATCH 5/6] rockchip: Add DFU to boot from USB for Radxa ROCK Pi E v1/v3

[Kever Yang]

On 2025/2/11 14:13, FUKAUMI Naoki wrote:
> Boot the Radxa ROCK Pi E v1/v3 from the USB OTG port using
> rkflashtool[1] or rkusbboot[2] and dfu-util.
>
> 1a. Download the TPL and SPL using rkflashtool
>
> $ openssl rc4 -provider legacy -K 7c4e0304550509072d2c7b38170d1711 \
> 	< mkimage-in-simple-bin.mkimage-u-boot-tpl | rkflashtool l
> $ openssl rc4 -provider legacy -K 7c4e0304550509072d2c7b38170d1711 \
> 	< mkimage-in-simple-bin.mkimage-u-boot-spl | rkflashtool L
>
> 1b. Download the TPL and SPL using rkusbboot
>
> $ rkusbboot \
> 	mkimage-in-simple-bin.mkimage-u-boot-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
> ---
>   arch/arm/dts/rk3328-rock-pi-e-base-u-boot.dtsi |  8 ++++++++
>   configs/rock-pi-e-rk3328_defconfig             | 12 ++++++++++++
>   configs/rock-pi-e-v3-rk3328_defconfig          | 12 ++++++++++++
>   3 files changed, 32 insertions(+)
>
> diff --git a/arch/arm/dts/rk3328-rock-pi-e-base-u-boot.dtsi b/arch/arm/dts/rk3328-rock-pi-e-base-u-boot.dtsi
> index a30adb0be98..fe15d4ba540 100644
> --- a/arch/arm/dts/rk3328-rock-pi-e-base-u-boot.dtsi
> +++ b/arch/arm/dts/rk3328-rock-pi-e-base-u-boot.dtsi
> @@ -38,6 +38,14 @@
>   	phy-supply = <&vcc_host_5v>;
>   };
>   
> +&u2phy_otg {
> +	status = "okay";
> +};
> +
> +&usb20_otg {
> +	status = "okay";
> +};
> +
>   &vcc_host_5v {
>   	/delete-property/ regulator-always-on;
>   	/delete-property/ regulator-boot-on;
> diff --git a/configs/rock-pi-e-rk3328_defconfig b/configs/rock-pi-e-rk3328_defconfig
> index 52dad765a8a..9fdb08f29f9 100644
> --- a/configs/rock-pi-e-rk3328_defconfig
> +++ b/configs/rock-pi-e-rk3328_defconfig
> @@ -24,10 +24,12 @@ 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_POWER=y
>   CONFIG_SPL_ATF=y
>   CONFIG_SPL_ATF_NO_PLATFORM_PARAM=y
>   CONFIG_CMD_BOOTZ=y
> +CONFIG_CMD_DFU=y
>   CONFIG_CMD_GPIO=y
>   CONFIG_CMD_GPT=y
>   CONFIG_CMD_MMC=y
> @@ -51,6 +53,10 @@ CONFIG_SPL_SYSCON=y
>   CONFIG_TPL_SYSCON=y
>   CONFIG_CLK=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
> @@ -86,6 +92,7 @@ CONFIG_SYSINFO_SMBIOS=y
>   CONFIG_SYSRESET=y
>   # CONFIG_TPL_SYSRESET is not set
>   CONFIG_USB=y
> +CONFIG_SPL_DM_USB_GADGET=y
>   CONFIG_USB_XHCI_HCD=y
>   CONFIG_USB_EHCI_HCD=y
>   CONFIG_USB_EHCI_GENERIC=y
> @@ -93,6 +100,11 @@ CONFIG_USB_OHCI_HCD=y
>   CONFIG_USB_OHCI_GENERIC=y
>   CONFIG_USB_DWC3=y
>   CONFIG_USB_DWC3_GENERIC=y
> +CONFIG_USB_GADGET=y
> +CONFIG_SPL_USB_GADGET=y
> +CONFIG_USB_GADGET_DWC2_OTG=y
> +CONFIG_USB_GADGET_DOWNLOAD=y
> +CONFIG_SPL_DFU=y
>   CONFIG_SPL_TINY_MEMSET=y
>   CONFIG_TPL_TINY_MEMSET=y
>   CONFIG_ERRNO_STR=y
> diff --git a/configs/rock-pi-e-v3-rk3328_defconfig b/configs/rock-pi-e-v3-rk3328_defconfig
> index 518ea4ebe51..c3dfc2718f0 100644
> --- a/configs/rock-pi-e-v3-rk3328_defconfig
> +++ b/configs/rock-pi-e-v3-rk3328_defconfig
> @@ -24,10 +24,12 @@ 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_POWER=y
>   CONFIG_SPL_ATF=y
>   CONFIG_SPL_ATF_NO_PLATFORM_PARAM=y
>   CONFIG_CMD_BOOTZ=y
> +CONFIG_CMD_DFU=y
>   CONFIG_CMD_GPIO=y
>   CONFIG_CMD_GPT=y
>   CONFIG_CMD_MMC=y
> @@ -52,6 +54,10 @@ CONFIG_SPL_SYSCON=y
>   CONFIG_TPL_SYSCON=y
>   CONFIG_CLK=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
> @@ -87,6 +93,7 @@ CONFIG_SYSINFO_SMBIOS=y
>   CONFIG_SYSRESET=y
>   # CONFIG_TPL_SYSRESET is not set
>   CONFIG_USB=y
> +CONFIG_SPL_DM_USB_GADGET=y
>   CONFIG_USB_XHCI_HCD=y
>   CONFIG_USB_EHCI_HCD=y
>   CONFIG_USB_EHCI_GENERIC=y
> @@ -94,6 +101,11 @@ CONFIG_USB_OHCI_HCD=y
>   CONFIG_USB_OHCI_GENERIC=y
>   CONFIG_USB_DWC3=y
>   CONFIG_USB_DWC3_GENERIC=y
> +CONFIG_USB_GADGET=y
> +CONFIG_SPL_USB_GADGET=y
> +CONFIG_USB_GADGET_DWC2_OTG=y
> +CONFIG_USB_GADGET_DOWNLOAD=y
> +CONFIG_SPL_DFU=y
>   CONFIG_SPL_TINY_MEMSET=y
>   CONFIG_TPL_TINY_MEMSET=y
>   CONFIG_ERRNO_STR=y