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authorPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>2017-09-29 17:27:55 (GMT)
committerPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>2017-09-30 22:33:34 (GMT)
commit3b4f87735d093463e3b227a07a62996fc0b47b53 (patch)
tree63caa5f43e418acb5707c997948c130f2144adac
parentfb7406469c012092d652741f103b0993103cf8e3 (diff)
downloadu-boot-3b4f87735d093463e3b227a07a62996fc0b47b53.tar.xz
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 <philipp.tomsich@theobroma-systems.com> Reviewed-by: Simon Glass <sjg@chromium.org>
-rw-r--r--arch/arm/include/asm/arch-rockchip/bootrom.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/bootrom.h b/arch/arm/include/asm/arch-rockchip/bootrom.h
index 92eb878..169cc5e 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