atmel, at91: fix corvus board

since commit: f8b7fff1d5 "serial: atmel_usart: Add clk support"
corvus board comes not up anymore. Fix it.

Signed-off-by: Heiko Schocher <hs@denx.de>

arch/arm/dts/at91sam9g45-corvus.dts

@@ -18,6 +18,7 @@
 	compatible = "atmel,at91sam9m10g45ek", "atmel,at91sam9g45", "atmel,at91sam9";
 
 	chosen {
+		u-boot,dm-pre-reloc;
 		stdout-path = &dbgu;
 	};
 
@@ -38,6 +39,7 @@
 	ahb {
 		apb {
 			dbgu: serial@ffffee00 {
+				u-boot,dm-pre-reloc;
 				status = "okay";
 			};
 

configs/corvus_defconfig

@@ -6,6 +6,7 @@ CONFIG_TARGET_CORVUS=y
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SYS_MALLOC_F_LEN=0x800
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_NAND_SUPPORT=y
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9g45-corvus"
@@ -31,8 +32,13 @@ CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
+CONFIG_CLK=y
+CONFIG_CLK_AT91=y
+CONFIG_AT91_UTMI=y
 CONFIG_DFU_NAND=y
 # CONFIG_MMC is not set
+# CONFIG_SPL_DM_SERIAL is not set
+CONFIG_ATMEL_USART=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y

include/configs/corvus.h

@@ -43,7 +43,6 @@
 #define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */
 
 /* serial console */
-#define CONFIG_ATMEL_USART
 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
 #define CONFIG_USART_ID			ATMEL_ID_SYS
 
@@ -72,7 +71,7 @@
 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
 
 #define CONFIG_SYS_INIT_SP_ADDR \
-	(CONFIG_SYS_SDRAM_BASE + SZ_4K - GENERATED_GBL_DATA_SIZE)
+	(CONFIG_SYS_SDRAM_BASE + SZ_32K - GENERATED_GBL_DATA_SIZE)
 
 /* NAND flash */
 #ifdef CONFIG_CMD_NAND