From: Nikita Kiryanov <nikita@compulab.co.il>
Date: Mon, 3 Dec 2012 02:19:45 +0000 (+0000)
Subject: cm-t35: implement board specific card detect check
X-Git-Tag: v2013.04-rc2~24^2~48
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5c1214de8c7b8b3e807ec09508e653580872e599;p=kernel%2Fu-boot.git

cm-t35: implement board specific card detect check

Implement a card detection check for cm-t35.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
---

diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c
index 89e0fd3..dfd91e7 100644
--- a/board/cm_t35/cm_t35.c
+++ b/board/cm_t35/cm_t35.c
@@ -33,6 +33,7 @@
 #include <net.h>
 #include <i2c.h>
 #include <usb.h>
+#include <mmc.h>
 #include <twl4030.h>
 #include <linux/compiler.h>
 
@@ -377,6 +378,16 @@ void set_muxconf_regs(void)
 }
 
 #ifdef CONFIG_GENERIC_MMC
+int board_mmc_getcd(struct mmc *mmc)
+{
+	u8 val;
+
+	if (twl4030_i2c_read_u8(TWL4030_CHIP_GPIO, &val, TWL4030_BASEADD_GPIO))
+		return -1;
+
+	return !(val & 1);
+}
+
 int board_mmc_init(bd_t *bis)
 {
 	return omap_mmc_init(0, 0, 0, -1);