board: at91sam9260ek: Use SPI-flash-based AT45xxx DataFlash

To support driver model and device tree, use the SPI-flash-based
AT45xxx DataFlash driver, DataFlash is a kind of SPI flash.
Instead of ATMEL_DATAFLASH_SPI DataFlash older driver that will
be removed in the future.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/arm/dts/at91sam9260.dtsi

@@ -34,6 +34,7 @@
 		tcb1 = &tcb1;
 		i2c0 = &i2c0;
 		ssc0 = &ssc0;
+		spi0 = &spi0;
 	};
 	cpus {
 		#address-cells = <0>;

arch/arm/dts/at91sam9260ek.dts

@@ -118,7 +118,7 @@
 				cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 				mtd_dataflash@0 {
 					compatible = "atmel,at45", "atmel,dataflash";
-					spi-max-frequency = <50000000>;
+					spi-max-frequency = <15000000>;
 					reg = <1>;
 				};
 			};

arch/arm/dts/at91sam9g20ek_common.dtsi

@@ -99,7 +99,7 @@
 				cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
 				mtd_dataflash@0 {
 					compatible = "atmel,at45", "atmel,dataflash";
-					spi-max-frequency = <50000000>;
+					spi-max-frequency = <15000000>;
 					reg = <1>;
 				};
 			};

board/atmel/at91sam9260ek/at91sam9260ek.c

@@ -87,10 +87,6 @@ int board_init(void)
 #ifdef CONFIG_CMD_NAND
 	at91sam9260ek_nand_hw_init();
 #endif
-#ifdef CONFIG_HAS_DATAFLASH
-	at91_spi0_hw_init((1 << 0) | (1 << 1));
-#endif
-
 	return 0;
 }
 

configs/at91sam9260ek_dataflash_cs0_defconfig

@@ -5,7 +5,7 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9260ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9260,SYS_USE_DATAFLASH_CS0"
-CONFIG_ENV_IS_IN_DATAFLASH=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
@@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -29,6 +30,10 @@ CONFIG_CLK_AT91=y
 CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -40,5 +45,7 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9260ek_dataflash_cs1_defconfig

@@ -5,7 +5,7 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9260ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9260,SYS_USE_DATAFLASH_CS1"
-CONFIG_ENV_IS_IN_DATAFLASH=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
@@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -29,6 +30,10 @@ CONFIG_CLK_AT91=y
 CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -40,5 +45,7 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9260ek_nandflash_defconfig

@@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -29,6 +30,10 @@ CONFIG_CLK_AT91=y
 CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -40,5 +45,7 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9g20ek_2mmc_defconfig

@@ -16,6 +16,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -31,6 +32,10 @@ CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 CONFIG_DM_MMC=y
 CONFIG_GENERIC_ATMEL_MCI=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -42,6 +47,8 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9g20ek_2mmc_nandflash_defconfig

@@ -16,6 +16,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -31,6 +32,10 @@ CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 CONFIG_DM_MMC=y
 CONFIG_GENERIC_ATMEL_MCI=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -42,6 +47,8 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9g20ek_dataflash_cs0_defconfig

@@ -5,7 +5,7 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9g20ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G20,SYS_USE_DATAFLASH_CS0"
-CONFIG_ENV_IS_IN_DATAFLASH=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
@@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -29,6 +30,10 @@ CONFIG_CLK_AT91=y
 CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -40,5 +45,7 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9g20ek_dataflash_cs1_defconfig

@@ -5,7 +5,7 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9g20ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G20,SYS_USE_DATAFLASH_CS1"
-CONFIG_ENV_IS_IN_DATAFLASH=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
@@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -29,6 +30,10 @@ CONFIG_CLK_AT91=y
 CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -40,5 +45,7 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9g20ek_nandflash_defconfig

@@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -29,6 +30,10 @@ CONFIG_CLK_AT91=y
 CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -40,5 +45,7 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9xeek_dataflash_cs0_defconfig

@@ -5,7 +5,7 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9260ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9XE,SYS_USE_DATAFLASH_CS0"
-CONFIG_ENV_IS_IN_DATAFLASH=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
@@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -29,6 +30,10 @@ CONFIG_CLK_AT91=y
 CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -40,5 +45,7 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9xeek_dataflash_cs1_defconfig

@@ -5,7 +5,7 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9260ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9XE,SYS_USE_DATAFLASH_CS1"
-CONFIG_ENV_IS_IN_DATAFLASH=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
@@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -29,6 +30,10 @@ CONFIG_CLK_AT91=y
 CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -40,5 +45,7 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

configs/at91sam9xeek_nandflash_defconfig

@@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_NAND=y
+CONFIG_CMD_SF=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SOURCE is not set
@@ -29,6 +30,10 @@ CONFIG_CLK_AT91=y
 CONFIG_DM_GPIO=y
 CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
@@ -40,5 +45,7 @@ CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

include/configs/at91sam9260ek.h

@@ -93,25 +93,6 @@
 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
 #endif
 
-#ifndef CONFIG_AT91SAM9G20EK_2MMC
-/* DataFlash */
-#define CONFIG_ATMEL_DATAFLASH_SPI
-#define CONFIG_HAS_DATAFLASH		1
-#define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
-#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
-#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
-#define AT91_SPI_CLK			15000000
-#else
-/* Enable MMC. The MCCK is conflicted with DataFlash */
-#endif
-
-#ifdef CONFIG_AT91SAM9G20EK
-#define DATAFLASH_TCSS			(0x22 << 16)
-#else
-#define DATAFLASH_TCSS			(0x1a << 16)
-#endif
-#define DATAFLASH_TCHS			(0x1 << 24)
-
 /* NAND flash */
 #ifdef CONFIG_CMD_NAND
 #define CONFIG_NAND_ATMEL
@@ -141,11 +122,13 @@
 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
-#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
-#define CONFIG_ENV_OFFSET		0x4200
-#define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_OFFSET	0x4200
 #define CONFIG_ENV_SIZE		0x4200
-#define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
+#define CONFIG_ENV_SECT_SIZE	0x210
+#define CONFIG_ENV_SPI_MAX_HZ	15000000
+#define CONFIG_BOOTCOMMAND	"sf probe 0:0; " \
+				"sf read 0x22000000 0x84000 0x294000; " \
+				"bootm 0x22000000"
 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
 				"root=/dev/mtdblock0 "			\
 				"mtdparts=atmel_nand:-(root) "		\
@@ -153,12 +136,13 @@
 
 #elif CONFIG_SYS_USE_DATAFLASH_CS1
 
-/* bootstrap + u-boot + env + linux in dataflash on CS1 */
-#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
-#define CONFIG_ENV_OFFSET		0x4200
-#define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_OFFSET	0x4200
 #define CONFIG_ENV_SIZE		0x4200
-#define CONFIG_BOOTCOMMAND	"cp.b 0xD0084000 0x22000000 0x210000; bootm"
+#define CONFIG_ENV_SECT_SIZE	0x210
+#define CONFIG_ENV_SPI_MAX_HZ	15000000
+#define CONFIG_BOOTCOMMAND	"sf probe 0:1; " \
+				"sf read 0x22000000 0x84000 0x294000; " \
+				"bootm 0x22000000"
 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
 				"root=/dev/mtdblock0 "			\
 				"mtdparts=atmel_nand:-(root) "		\