From f1485db35c67144c49c18417d31f58aec3ca2944 Mon Sep 17 00:00:00 2001
From: Otavio Salvador <otavio@ossystems.com.br>
Date: Fri, 19 Apr 2013 03:42:03 +0000
Subject: wandboard: Add boot selection support

Adds support for 'bmode' command which let user to choose where to
boot from; this allows U-Boot to load system from another storage
without messing with jumpers.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
(cherry picked from commit eaffaa2d25ce6e94a965460467352bd12513bf09)
Signed-off-by: Jason Liu <r64343@freescale.com>
(cherry picked from commit 101e40f636c950eaf726f26b8246b2dde8ede6a5)
---
 board/wandboard/wandboard.c | 19 +++++++++++++++++++
 include/configs/wandboard.h |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c
index ac7b89a..0fec7a4 100644
--- a/board/wandboard/wandboard.c
+++ b/board/wandboard/wandboard.c
@@ -16,6 +16,7 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
 #include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/boot_mode.h>
 #include <asm/io.h>
 #include <asm/sizes.h>
 #include <common.h>
@@ -162,6 +163,24 @@ int board_early_init_f(void)
 	return 0;
 }
 
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_modes[] = {
+	/* 4 bit bus width */
+	{"mmc0",	  MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
+	{"mmc1",	  MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)},
+	{NULL,	 0},
+};
+#endif
+
+int board_late_init(void)
+{
+#ifdef CONFIG_CMD_BMODE
+	add_board_boot_modes(board_boot_modes);
+#endif
+
+	return 0;
+}
+
 int board_init(void)
 {
 	/* address of boot parameters */
diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h
index a5bfc49..54b237d 100644
--- a/include/configs/wandboard.h
+++ b/include/configs/wandboard.h
@@ -32,6 +32,7 @@
 #define CONFIG_SYS_MALLOC_LEN		(3 * SZ_1M)
 
 #define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_BOARD_LATE_INIT
 #define CONFIG_MXC_GPIO
 
 #define CONFIG_MXC_UART
@@ -47,6 +48,7 @@
 
 #undef CONFIG_CMD_IMLS
 
+#define CONFIG_CMD_BMODE
 #define CONFIG_CMD_SETEXPR
 
 #define CONFIG_BOOTDELAY		5
-- 
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