taurus: board updates

taurus changes:
- rename at91_spl_board_init to spl_board_init
  fixes problems with recovery button and nand erase sector 0
- adapt CONFIG_SPL_MAX_SIZE and CONFIG_SPL_BSS_MAX_SIZE
- add CONFIG_AT91_HW_WDT_TIMEOUT 15
- CONFIG_SF_DEFAULT_MODE SPI_MODE_3 not mode 0

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/board/siemens/taurus/taurus.c b/board/siemens/taurus/taurus.c
index 781727e..edeb15b 100644
--- a/board/siemens/taurus/taurus.c
+++ b/board/siemens/taurus/taurus.c
@@ -99,7 +99,7 @@
 }
 #endif
 
-void at91_spl_board_init(void)
+void spl_board_init(void)
 {
 	taurus_nand_hw_init();
 	at91_spi0_hw_init(TAURUS_SPI_MASK);
@@ -124,13 +124,13 @@
 	if (at91_is_recovery() == 1) {
 		struct spi_flash *flash;
 
-		debug("Recovery button pressed\n");
+		puts("Recovery button pressed\n");
 		nand_init();
 		spl_nand_erase_one(0, 0);
 		flash = spi_flash_probe(CONFIG_SF_DEFAULT_BUS,
 					0,
 					CONFIG_SF_DEFAULT_SPEED,
-					SPI_MODE_3);
+					CONFIG_SF_DEFAULT_MODE);
 		if (!flash) {
 			puts("no flash\n");
 		} else {
diff --git a/include/configs/taurus.h b/include/configs/taurus.h
index fb7c575..c1fed9a 100644
--- a/include/configs/taurus.h
+++ b/include/configs/taurus.h
@@ -81,14 +81,14 @@
  */
 #define CONFIG_NR_DRAM_BANKS		1
 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
-#define CONFIG_SYS_SDRAM_SIZE		(128 * 1024 * 1024)
+#define CONFIG_SYS_SDRAM_SIZE		(128 * SZ_1M)
 
 /*
  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  * leaving the correct space for initial global data structure above
  * that address while providing maximum stack area below.
  */
-# define CONFIG_SYS_INIT_SP_ADDR \
+#define CONFIG_SYS_INIT_SP_ADDR \
 	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
 
 /* NAND flash */
@@ -112,6 +112,7 @@
 #define CONFIG_AT91_WANTS_COMMON_PHY
 
 #define CONFIG_AT91SAM9_WATCHDOG
+#define CONFIG_AT91_HW_WDT_TIMEOUT	15
 #if !defined(CONFIG_SPL_BUILD)
 /* Enable the watchdog */
 #define CONFIG_HW_WATCHDOG
@@ -146,8 +147,8 @@
 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
 
 #define CONFIG_SF_DEFAULT_BUS 0
-#define CONFIG_SF_DEFAULT_SPEED 10000000
-#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
+#define CONFIG_SF_DEFAULT_SPEED 1000000
+#define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
 #endif
 
 /* load address */
@@ -157,7 +158,7 @@
 #define CONFIG_ENV_IS_IN_NAND
 #define CONFIG_ENV_OFFSET		0x100000
 #define CONFIG_ENV_OFFSET_REDUND	0x180000
-#define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
+#define CONFIG_ENV_SIZE		(SZ_128K)	/* 1 sector = 128 kB */
 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
 
 #if defined(CONFIG_BOARD_TAURUS)
@@ -241,7 +242,7 @@
  * Size of malloc() pool
  */
 #define CONFIG_SYS_MALLOC_LEN \
-	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
+	ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, 0x1000)
 
 /* Defines for SPL */
 #define CONFIG_SPL_FRAMEWORK
@@ -253,7 +254,7 @@
 #define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
 
 #define CONFIG_SPL_BSS_START_ADDR	CONFIG_SPL_MAX_SIZE
-#define CONFIG_SPL_BSS_MAX_SIZE		(3 * 1024)
+#define CONFIG_SPL_BSS_MAX_SIZE		(3 * SZ_512)
 
 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 #define CONFIG_SPL_LIBGENERIC_SUPPORT
@@ -275,9 +276,9 @@
 #define CONFIG_SYS_NAND_U_BOOT_DST	CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 
-#define CONFIG_SYS_NAND_SIZE		(256*1024*1024)
-#define CONFIG_SYS_NAND_PAGE_SIZE	2048
-#define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
+#define CONFIG_SYS_NAND_SIZE		(256 * SZ_1M)
+#define CONFIG_SYS_NAND_PAGE_SIZE	SZ_2K
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(SZ_128K)
 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
 					 CONFIG_SYS_NAND_PAGE_SIZE)
 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS