From: Philipp Tomsich Date: Fri, 29 Sep 2017 17:27:55 +0000 (+0200) Subject: rockchip: bootrom: add definitions to retrieve BROM boot-source X-Git-Tag: v2017.11-rc1~3^2~10 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3b4f87735d093463e3b227a07a62996fc0b47b53;p=oweals%2Fu-boot.git rockchip: bootrom: add definitions to retrieve BROM boot-source The Rockchip BROM allows reading where it booted from from SRAM. This adds the necessary definitions (as received from Kever) for the location of this information in the RK3399's SRAM and naming for the constants used. Signed-off-by: Philipp Tomsich Reviewed-by: Simon Glass --- diff --git a/arch/arm/include/asm/arch-rockchip/bootrom.h b/arch/arm/include/asm/arch-rockchip/bootrom.h index 92eb8783a3..169cc5e50b 100644 --- a/arch/arm/include/asm/arch-rockchip/bootrom.h +++ b/arch/arm/include/asm/arch-rockchip/bootrom.h @@ -24,4 +24,22 @@ void back_to_bootrom(void); */ void _back_to_bootrom_s(void); +/** + * Boot-device identifiers as used by the BROM + */ +enum { + BROM_BOOTSOURCE_NAND = 1, + BROM_BOOTSOURCE_EMMC = 2, + BROM_BOOTSOURCE_SPINOR = 3, + BROM_BOOTSOURCE_SPINAND = 4, + BROM_BOOTSOURCE_SD = 5, + BROM_BOOTSOURCE_USB = 10, + BROM_LAST_BOOTSOURCE = BROM_BOOTSOURCE_USB +}; + +/** + * Locations of the boot-device identifier in SRAM + */ +#define RK3399_BROM_BOOTSOURCE_ID_ADDR 0xff8c0010 + #endif