ARM: uniphier: support eMMC boot for PH1-LD11 and PH1-LD20
The Boot ROM on PH1-LD11/LD20 exports built-in APIs to load images
from an eMMC device. They are useful to reduce the memory footprint
of SPL, rather than compiling the whole MMC framework.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/boot-mode/boot-mode.c b/arch/arm/mach-uniphier/boot-mode/boot-mode.c
index 4b744da..d34b9af 100644
--- a/arch/arm/mach-uniphier/boot-mode/boot-mode.c
+++ b/arch/arm/mach-uniphier/boot-mode/boot-mode.c
@@ -51,11 +51,30 @@
u32 spl_boot_device(void)
{
- u32 ret;
+ u32 mode;
- ret = spl_boot_device_raw();
+ mode = spl_boot_device_raw();
+
+ switch (uniphier_get_soc_type()) {
+#if defined(CONFIG_ARCH_UNIPHIER_PXS2) || defined(CONFIG_ARCH_UNIPHIER_LD6B)
+ case SOC_UNIPHIER_PXS2:
+ case SOC_UNIPHIER_LD6B:
+ if (mode == BOOT_DEVICE_USB)
+ mode = BOOT_DEVICE_NOR;
+ break;
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD11) || defined(CONFIG_ARCH_UNIPHIER_LD20)
+ case SOC_UNIPHIER_LD11:
+ case SOC_UNIPHIER_LD20:
+ if (mode == BOOT_DEVICE_MMC1 || mode == BOOT_DEVICE_USB)
+ mode = BOOT_DEVICE_BOARD;
+ break;
+#endif
+ default:
+ break;
+ }
- return ret == BOOT_DEVICE_USB ? BOOT_DEVICE_NOR : ret;
+ return mode;
}
u32 spl_boot_mode(void)