From e3cc511eef5d99491e0c51324be499b688dde8de Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Sun, 12 Jul 2020 23:33:01 +0100 Subject: [PATCH] board: mediatek: fix mmc_get_boot_dev() for platforms without external SD On the UniElec U7623 board there is no external SD slot and the preloader doesn't fill in the magic field at 0x81dffff0 to indicate that it was booted from eMMC. Signed-off-by: David Woodhouse --- board/mediatek/mt7623/mt7623_rfb.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/board/mediatek/mt7623/mt7623_rfb.c b/board/mediatek/mt7623/mt7623_rfb.c index 4ec2764976..984e75ccaf 100644 --- a/board/mediatek/mt7623/mt7623_rfb.c +++ b/board/mediatek/mt7623/mt7623_rfb.c @@ -4,6 +4,7 @@ */ #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -15,10 +16,15 @@ int board_init(void) return 0; } +#ifdef CONFIG_MMC int mmc_get_boot_dev(void) { int g_mmc_devid = -1; char *uflag = (char *)0x81DFFFF0; + + if (!find_mmc_device(1)) + return 0; + if (strncmp(uflag,"eMMC",4)==0) { g_mmc_devid = 0; printf("Boot From Emmc(id:%d)\n\n", g_mmc_devid); @@ -33,3 +39,4 @@ int mmc_get_env_dev(void) { return mmc_get_boot_dev(); } +#endif