[RFCv2 PATCH 2/2] OMAP: Add option to use environment from MMC

[Teresa Gámez]

Make loading environment from MMC generic for all OMAP.

Tested on AM335x, OMAP4.

Signed-off-by: Teresa Gámez <t.gamez at phytec.de>
Tested-by: Jan Weitzel <j.weitzel at phytec.de>
---
v2:
	- removed environment code also from beaglebone

 arch/arm/boards/beaglebone/board.c        |   32 ----------------------------
 arch/arm/boards/panda/board.c             |   30 --------------------------
 arch/arm/mach-omap/include/mach/generic.h |    1 +
 arch/arm/mach-omap/omap_generic.c         |   33 +++++++++++++++++++++++++++++
 4 files changed, 34 insertions(+), 62 deletions(-)

diff --git a/arch/arm/boards/beaglebone/board.c b/arch/arm/boards/beaglebone/board.c
index 56e69a2..0a05323 100644
--- a/arch/arm/boards/beaglebone/board.c
+++ b/arch/arm/boards/beaglebone/board.c
@@ -25,8 +25,6 @@
 #include <console.h>
 #include <init.h>
 #include <driver.h>
-#include <fs.h>
-#include <linux/stat.h>
 #include <envfs.h>
 #include <sizes.h>
 #include <io.h>
@@ -112,33 +110,3 @@ static int beaglebone_devices_init(void)
 	return 0;
 }
 device_initcall(beaglebone_devices_init);
-
-#ifdef CONFIG_DEFAULT_ENVIRONMENT
-static int beaglebone_env_init(void)
-{
-	struct stat s;
-	char *diskdev = "/dev/disk0.0";
-	int ret;
-
-	ret = stat(diskdev, &s);
-	if (ret) {
-		printf("device %s not found. Using default environment\n", diskdev);
-		return 0;
-	}
-
-	mkdir ("/boot", 0666);
-	ret = mount(diskdev, "fat", "/boot");
-	if (ret) {
-		printf("failed to mount %s\n", diskdev);
-		return 0;
-	}
-
-	if (IS_ENABLED(CONFIG_OMAP_BUILD_IFT))
-		default_environment_path = "/dev/defaultenv";
-	else
-		default_environment_path = "/boot/barebox.env";
-
-	return 0;
-}
-late_initcall(beaglebone_env_init);
-#endif
diff --git a/arch/arm/boards/panda/board.c b/arch/arm/boards/panda/board.c
index 2518d3a..d1f9a5e 100644
--- a/arch/arm/boards/panda/board.c
+++ b/arch/arm/boards/panda/board.c
@@ -1,12 +1,10 @@
 #include <common.h>
 #include <console.h>
 #include <init.h>
-#include <fs.h>
 #include <driver.h>
 #include <io.h>
 #include <ns16550.h>
 #include <asm/armlinux.h>
-#include <linux/stat.h>
 #include <generated/mach-types.h>
 #include <mach/omap4-silicon.h>
 #include <mach/omap4-devices.h>
@@ -20,7 +18,6 @@
 #include <asm/mmu.h>
 #include <mach/gpio.h>
 #include <envfs.h>
-#include <mach/generic.h>
 #include <i2c/i2c.h>
 #include <gpio.h>
 #include <led.h>
@@ -164,30 +161,3 @@ static int panda_devices_init(void)
 	return 0;
 }
 device_initcall(panda_devices_init);
-
-#ifdef CONFIG_DEFAULT_ENVIRONMENT
-static int panda_env_init(void)
-{
-	struct stat s;
-	char *diskdev = "/dev/disk0.0";
-	int ret;
-
-	ret = stat(diskdev, &s);
-	if (ret) {
-		printf("no %s. using default env\n", diskdev);
-		return 0;
-	}
-
-	mkdir ("/boot", 0666);
-	ret = mount(diskdev, "fat", "/boot");
-	if (ret) {
-		printf("failed to mount %s\n", diskdev);
-		return 0;
-	}
-
-	default_environment_path = "/boot/bareboxenv";
-
-	return 0;
-}
-late_initcall(panda_env_init);
-#endif
diff --git a/arch/arm/mach-omap/include/mach/generic.h b/arch/arm/mach-omap/include/mach/generic.h
index edc4f1d..7455404 100644
--- a/arch/arm/mach-omap/include/mach/generic.h
+++ b/arch/arm/mach-omap/include/mach/generic.h
@@ -35,6 +35,7 @@ enum omap_boot_src {
 	OMAP_BOOTSRC_USB1,
 };
 
+enum omap_boot_src omap_bootsrc(void);
 enum omap_boot_src am33xx_bootsrc(void);
 enum omap_boot_src omap3_bootsrc(void);
 enum omap_boot_src omap4_bootsrc(void);
diff --git a/arch/arm/mach-omap/omap_generic.c b/arch/arm/mach-omap/omap_generic.c
index f2fd1d3..580ed3e 100644
--- a/arch/arm/mach-omap/omap_generic.c
+++ b/arch/arm/mach-omap/omap_generic.c
@@ -30,3 +30,36 @@ enum omap_boot_src omap_bootsrc(void)
 	return am33xx_bootsrc();
 #endif
 }
+
+#if defined(CONFIG_DEFAULT_ENVIRONMENT) && defined(CONFIG_MCI_STARTUP)
+static int omap_env_init(void)
+{
+	struct stat s;
+	char *diskdev = "/dev/disk0.0";
+	int ret;
+
+	if (omap_bootsrc() != OMAP_BOOTSRC_MMC1)
+		return 0;
+
+	ret = stat(diskdev, &s);
+	if (ret) {
+		printf("no %s. using default env\n", diskdev);
+		return 0;
+	}
+
+	mkdir("/boot", 0666);
+	ret = mount(diskdev, "fat", "/boot");
+	if (ret) {
+		printf("failed to mount %s\n", diskdev);
+		return 0;
+	}
+
+	if (IS_ENABLED(CONFIG_OMAP_BUILD_IFT))
+		default_environment_path = "/dev/defaultenv";
+	else
+		default_environment_path = "/boot/barebox.env";
+
+	return 0;
+}
+late_initcall(omap_env_init);
+#endif
-- 
1.7.0.4