OMAP3: igep00x0: allow DeviceTree booting

index c17267e..b3c57f4 100644
@@ -97,8 +97,9 @@
 #include <config_cmd_default.h>
 
 #define CONFIG_CMD_CACHE
-#define CONFIG_CMD_EXT2		/* EXT2 Support			*/
+#define CONFIG_CMD_EXT4
 #define CONFIG_CMD_FAT		/* FAT support			*/
+#define CONFIG_CMD_FS_GENERIC
 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
 #define CONFIG_CMD_MMC		/* MMC support			*/
 #ifdef CONFIG_BOOT_ONENAND

@@ -163,17 +164,17 @@
 		"omapdss.def_disp=${defaultdisplay} " \
 		"root=${nandroot} " \
 		"rootfstype=${nandrootfstype}\0" \
-	"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
+	"loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
 	"importbootenv=echo Importing environment from mmc ...; " \
 		"env import -t $loadaddr $filesize\0" \
-	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
+	"loadzimage=load mmc ${mmcdev} ${loadaddr} zImage\0" \
 	"mmcboot=echo Booting from mmc ...; " \
 		"run mmcargs; " \
-		"bootm ${loadaddr}\0" \
+		"bootz ${loadaddr}\0" \
 	"nandboot=echo Booting from onenand ...; " \
 		"run nandargs; " \
 		"onenand read ${loadaddr} 280000 400000; " \
-		"bootm ${loadaddr}\0" \
+		"bootz ${loadaddr}\0" \
 
 #define CONFIG_BOOTCOMMAND \
 	"mmc dev ${mmcdev}; if mmc rescan; then " \

@@ -185,7 +186,7 @@
 			"echo Running uenvcmd ...;" \
 			"run uenvcmd;" \
 		"fi;" \
-		"if run loaduimage; then " \
+		"if run loadzimage; then " \
 			"run mmcboot;" \
 		"fi;" \
 	"fi;" \

index 77a9bc6..7a7500b 100644
@@ -138,6 +138,18 @@ int board_mmc_init(bd_t *bis)
 }
 #endif
 
+void set_fdt(void)
+{
+	switch (gd->bd->bi_arch_number) {
+	case MACH_TYPE_IGEP0020:
+		setenv("dtbfile", "omap3-igep0020.dtb");
+		break;
+	case MACH_TYPE_IGEP0030:
+		setenv("dtbfile", "omap3-igep0030.dtb");
+		break;
+	}
+}
+
 /*
  * Routine: misc_init_r
  * Description: Configure board specific parts

@@ -150,6 +162,8 @@ int misc_init_r(void)
 
 	dieid_num_r();
 
+	set_fdt();
+
 	return 0;
 }
 

index b3c57f4..13d58a4 100644
@@ -137,6 +137,9 @@
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"usbtty=cdc_acm\0" \
 	"loadaddr=0x82000000\0" \
+	"dtbaddr=0x81600000\0" \
+	"bootdir=/boot\0" \
+	"bootfile=zImage\0" \
 	"usbtty=cdc_acm\0" \
 	"console=ttyO2,115200n8\0" \
 	"mpurate=auto\0" \

@@ -167,10 +170,13 @@
 	"loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
 	"importbootenv=echo Importing environment from mmc ...; " \
 		"env import -t $loadaddr $filesize\0" \
-	"loadzimage=load mmc ${mmcdev} ${loadaddr} zImage\0" \
+	"loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
+	"loadfdt=load mmc ${mmcdev}:2 ${dtbaddr} ${bootdir}/${dtbfile}\0" \
 	"mmcboot=echo Booting from mmc ...; " \
 		"run mmcargs; " \
 		"bootz ${loadaddr}\0" \
+	"mmcbootfdt=echo Booting with DT from mmc ...; " \
+		"bootz ${loadaddr} - ${dtbaddr}\0" \
 	"nandboot=echo Booting from onenand ...; " \
 		"run nandargs; " \
 		"onenand read ${loadaddr} 280000 400000; " \

@@ -187,6 +193,11 @@
 			"run uenvcmd;" \
 		"fi;" \
 		"if run loadzimage; then " \
+			"if test -n $dtbfile; then " \
+				"if run loadfdt; then " \
+					"run mmcbootfdt;" \
+				"fi;" \
+			"fi;" \
 			"run mmcboot;" \
 		"fi;" \
 	"fi;" \