[PATCH v2 13/15] rockchip: rk3328: Add support to build bootable SPI image

[Kever Yang]

On 2024/2/17 08:22, Jonas Karlman wrote:
> Similar to RK35xx the BootRom in RK3328 can read all data and look for
> idbloader at 0x8000, same as it does for SD and eMMC.
>
> Use the rksd format and modify the mkimage offset to generate a bootable
> u-boot-rockchip-spi.bin that can be written to 0x0 of SPI NOR flash.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
> v2:
> - No change
> ---
>   arch/arm/dts/rk3328-u-boot.dtsi        | 11 +++++++++++
>   arch/arm/mach-rockchip/rk3328/rk3328.c |  1 +
>   2 files changed, 12 insertions(+)
>
> diff --git a/arch/arm/dts/rk3328-u-boot.dtsi b/arch/arm/dts/rk3328-u-boot.dtsi
> index a030f1a5e51d..4d43fe2fb51a 100644
> --- a/arch/arm/dts/rk3328-u-boot.dtsi
> +++ b/arch/arm/dts/rk3328-u-boot.dtsi
> @@ -133,3 +133,14 @@
>   &usb20_otg {
>   	hnp-srp-disable;
>   };
> +
> +#ifdef CONFIG_ROCKCHIP_SPI_IMAGE
> +&binman {
> +	simple-bin-spi {
> +		mkimage {
> +			args = "-n", CONFIG_SYS_SOC, "-T", "rksd";
> +			offset = <0x8000>;
> +		};
> +	};
> +};
> +#endif
> diff --git a/arch/arm/mach-rockchip/rk3328/rk3328.c b/arch/arm/mach-rockchip/rk3328/rk3328.c
> index b591d38fe412..b82b209de9e2 100644
> --- a/arch/arm/mach-rockchip/rk3328/rk3328.c
> +++ b/arch/arm/mach-rockchip/rk3328/rk3328.c
> @@ -36,6 +36,7 @@
>   
>   const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
>   	[BROM_BOOTSOURCE_EMMC] = "/mmc at ff520000",
> +	[BROM_BOOTSOURCE_SPINOR] = "/spi at ff190000/flash at 0",
>   	[BROM_BOOTSOURCE_SD] = "/mmc at ff500000",
>   };
>