[PATCH 2/7] rockchip: px30: list possible SPL boot devices

[Kever Yang]

On 2022/9/22 20:12, Quentin Schulz wrote:
> From: Quentin Schulz <quentin.schulz at theobroma-systems.com>
>
> BOOTROM sets a bit in a CPU register so that the software can know from
> where the first stage bootloader was booted. One use case for this is to
> specify the default loading medium for U-Boot proper to match the one
> used by the BOOTROM to load the SPL (same-as-spl in
> u-boot,spl-boot-order).
>
> Let's create the mapping between BOOTROM value and Device Tree node
> names for MMC devices.
>
> Cc: Quentin Schulz <foss+uboot at 0leil.net>
> Signed-off-by: Quentin Schulz <quentin.schulz at theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/mach-rockchip/px30/px30.c | 6 ++++++
>   1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/mach-rockchip/px30/px30.c b/arch/arm/mach-rockchip/px30/px30.c
> index 0641e6af0f..481b50235e 100644
> --- a/arch/arm/mach-rockchip/px30/px30.c
> +++ b/arch/arm/mach-rockchip/px30/px30.c
> @@ -8,6 +8,7 @@
>   #include <init.h>
>   #include <asm/armv8/mmu.h>
>   #include <asm/io.h>
> +#include <asm/arch-rockchip/bootrom.h>
>   #include <asm/arch-rockchip/grf_px30.h>
>   #include <asm/arch-rockchip/hardware.h>
>   #include <asm/arch-rockchip/uart.h>
> @@ -15,6 +16,11 @@
>   #include <asm/arch-rockchip/cru_px30.h>
>   #include <dt-bindings/clock/px30-cru.h>
>   
> +const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
> +	[BROM_BOOTSOURCE_EMMC] = "/mmc at ff390000",
> +	[BROM_BOOTSOURCE_SD] = "/mmc at ff370000",
> +};
> +
>   static struct mm_region px30_mem_map[] = {
>   	{
>   		.virt = 0x0UL,