diff mbox series

[1/3] board: mediatek: fix mmc_get_boot_dev() for platforms without external SD

Message ID 20200712223303.2094457-1-dwmw2@infradead.org
State Accepted
Commit e3cc511eef5d99491e0c51324be499b688dde8de
Headers show
Series [1/3] board: mediatek: fix mmc_get_boot_dev() for platforms without external SD | expand

Commit Message

David Woodhouse July 12, 2020, 10:33 p.m. UTC
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 <dwmw2 at infradead.org>
---
 board/mediatek/mt7623/mt7623_rfb.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Tom Rini July 29, 2020, 1:45 p.m. UTC | #1
On Sun, Jul 12, 2020 at 11:33:01PM +0100, David Woodhouse wrote:

> 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 <dwmw2@infradead.org>


Applied to u-boot/master, thanks!

-- 
Tom
diff mbox series

Patch

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 <common.h>
+#include <mmc.h>
 
 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