From 78a8593a581c16be313d3f866d801b7ed5faad2f Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Wed, 21 Oct 2009 21:18:21 +0530
Subject: [PATCH] --- yaml --- r: 173351 b: refs/heads/master c:
 b5ebe4e198e595cad412a9de2d7b253693545d30 h: refs/heads/master i:   173349:
 55d3ee932b48cc27e8523141d7a86739852cc602   173347:
 4c369801d2874d97728e8070dec6b41a90af5078   173343:
 7dfbbc5f006cad97cea4ffd829209df3d6f2392d v: v3

---
 [refs]                                        |  2 +-
 trunk/arch/arm/mach-davinci/board-da830-evm.c | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 28df60cd0859..26bad60f313c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 77316f0575264c56fb0c8f241b946a91e3a00602
+refs/heads/master: b5ebe4e198e595cad412a9de2d7b253693545d30
diff --git a/trunk/arch/arm/mach-davinci/board-da830-evm.c b/trunk/arch/arm/mach-davinci/board-da830-evm.c
index e7e97c90d4d0..537a048c84be 100644
--- a/trunk/arch/arm/mach-davinci/board-da830-evm.c
+++ b/trunk/arch/arm/mach-davinci/board-da830-evm.c
@@ -282,6 +282,12 @@ static const short da830_evm_emif25_pins[] = {
 	-1
 };
 
+#if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
+#define HAS_MMC	1
+#else
+#define HAS_MMC	0
+#endif
+
 #ifdef CONFIG_DA830_UI_NAND
 static struct mtd_partition da830_evm_nand_partitions[] = {
 	/* bootloader (U-Boot, etc) in first sector */
@@ -377,6 +383,13 @@ static inline void da830_evm_init_nand(int mux_mode)
 {
 	int ret;
 
+	if (HAS_MMC) {
+		pr_warning("WARNING: both MMC/SD and NAND are "
+				"enabled, but they share AEMIF pins.\n"
+				"\tDisable MMC/SD for NAND support.\n");
+		return;
+	}
+
 	ret = da8xx_pinmux_setup(da830_evm_emif25_pins);
 	if (ret)
 		pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
@@ -425,6 +438,9 @@ static int da830_evm_ui_expander_setup(struct i2c_client *client, int gpio,
 {
 	gpio_request(gpio + 6, "UI MUX_MODE");
 
+	/* Drive mux mode low to match the default without UI card */
+	gpio_direction_output(gpio + 6, 0);
+
 	da830_evm_init_lcdc(gpio + 6);
 
 	da830_evm_init_nand(gpio + 6);