arm: mvebu: Add SPL SDIO/MMC boot support

This patch adds basic SDIO/MMC booting support to MVEBU SoC's. Since
I don't know of a way to test the boot-device upon runtime, this patch
hardcodes the spl_boot_device instead.

Tested on Marvell DB-88F6820-GP board.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Dirk Eibach <eibach@gdsys.de>

diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c
index e65f6ca..af61ded 100644 (file)
--- a/arch/arm/mach-mvebu/spl.c
+++ b/arch/arm/mach-mvebu/spl.c
@@ -14,10 +14,21 @@ DECLARE_GLOBAL_DATA_PTR;
 
 u32 spl_boot_device(void)
 {
-       /* Right now only booting via SPI NOR flash is supported */
+#if defined(CONFIG_SPL_SPI_FLASH_SUPPORT)
        return BOOT_DEVICE_SPI;
+#endif
+#if defined(CONFIG_SPL_MMC_SUPPORT)
+       return BOOT_DEVICE_MMC1;
+#endif
 }
 
+#ifdef CONFIG_SPL_MMC_SUPPORT
+u32 spl_boot_mode(void)
+{
+       return MMCSD_MODE_RAW;
+}
+#endif
+
 void board_init_f(ulong dummy)
 {
        /* Set global data pointer */