configs: am335x_evm: Switch to env on FAT SD by default

Re-org env sections so that we can fall back to env is in FAT on SD
card, for broader board compatibility

Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

include/configs/am335x_evm.h

@@ -249,11 +249,6 @@
 					"8m(NAND.kernel)," \
 					"-(NAND.file-system)"
 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x000c0000
-#undef CONFIG_ENV_IS_NOWHERE
-#define CONFIG_ENV_IS_IN_NAND
-#define CONFIG_ENV_OFFSET		0x001c0000
-#define CONFIG_ENV_OFFSET_REDUND	0x001e0000
-#define CONFIG_SYS_ENV_SECT_SIZE	CONFIG_SYS_NAND_BLOCK_SIZE
 /* NAND: SPL related configs */
 #ifdef CONFIG_SPL_NAND_SUPPORT
 #define CONFIG_SPL_NAND_AM33XX_BCH
@@ -415,7 +410,6 @@
 					"128k(u-boot-env2),3464k(kernel)," \
 					"-(rootfs)"
 #elif defined(CONFIG_EMMC_BOOT)
-#undef CONFIG_ENV_IS_NOWHERE
 #define CONFIG_ENV_IS_IN_MMC
 #define CONFIG_SPL_ENV_SUPPORT
 #define CONFIG_SYS_MMC_ENV_DEV		1
@@ -423,6 +417,27 @@
 #define CONFIG_ENV_OFFSET		0x0
 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#elif defined(CONFIG_NOR_BOOT)
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_SECT_SIZE		(128 << 10)	/* 128 KiB */
+#define CONFIG_ENV_OFFSET		(512 << 10)	/* 512 KiB */
+#define CONFIG_ENV_OFFSET_REDUND	(768 << 10)	/* 768 KiB */
+#define MTDIDS_DEFAULT			"nor0=physmap-flash.0"
+#define MTDPARTS_DEFAULT		"mtdparts=physmap-flash.0:" \
+					"512k(u-boot)," \
+					"128k(u-boot-env1)," \
+					"128k(u-boot-env2)," \
+					"4m(kernel),-(rootfs)"
+#elif defined(CONFIG_ENV_IS_IN_NAND)
+#define CONFIG_ENV_OFFSET		0x001c0000
+#define CONFIG_ENV_OFFSET_REDUND	0x001e0000
+#define CONFIG_SYS_ENV_SECT_SIZE	CONFIG_SYS_NAND_BLOCK_SIZE
+#elif !defined(CONFIG_ENV_IS_NOWHERE)
+/* Not NAND, SPI, NOR or eMMC env, so put ENV in a file on FAT */
+#define CONFIG_ENV_IS_IN_FAT
+#define FAT_ENV_INTERFACE		"mmc"
+#define FAT_ENV_DEVICE_AND_PART		"0:1"
+#define FAT_ENV_FILE			"uboot.env"
 #endif
 
 /* SPI flash. */
@@ -458,19 +473,6 @@
 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
 #define CONFIG_SYS_FLASH_SIZE		0x01000000
 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
-/* Reduce SPL size by removing unlikey targets */
-#ifdef CONFIG_NOR_BOOT
-#define CONFIG_ENV_IS_IN_FLASH
-#define CONFIG_ENV_SECT_SIZE		(128 << 10)	/* 128 KiB */
-#define CONFIG_ENV_OFFSET		(512 << 10)	/* 512 KiB */
-#define CONFIG_ENV_OFFSET_REDUND	(768 << 10)	/* 768 KiB */
-#define MTDIDS_DEFAULT			"nor0=physmap-flash.0"
-#define MTDPARTS_DEFAULT		"mtdparts=physmap-flash.0:" \
-					"512k(u-boot)," \
-					"128k(u-boot-env1)," \
-					"128k(u-boot-env2)," \
-					"4m(kernel),-(rootfs)"
-#endif
 #endif  /* NOR support */
 
 #endif	/* ! __CONFIG_AM335X_EVM_H */