arm: koelsch: Add support QSPI device and enable boot from SPI flash

This supports SH-QSPI device on koelsch board, and enable booting from
SPI flash.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

include/configs/koelsch.h

@@ -31,7 +31,16 @@
 #define CONFIG_CMD_DHCP
 #define CONFIG_CMD_NFS
 #define CONFIG_CMD_BOOTZ
+
+#if defined(CONFIG_SYS_USE_BOOT_NORFLASH)
 #define	CONFIG_CMD_FLASH
+#define CONFIG_SYS_TEXT_BASE	0x00000000
+#else
+/* SPI flash boot is default. */
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SPI
+#define CONFIG_SYS_TEXT_BASE	0xE6304000
+#endif
 
 #define	CONFIG_CMDLINE_TAG
 #define	CONFIG_SETUP_MEMORY_TAGS
@@ -101,7 +110,7 @@
 #define CONFIG_SYS_BOOTMAPSZ		(8 * 1024 * 1024)
 
 /* FLASH */
-#define CONFIG_SYS_TEXT_BASE	0x00000000
+#if defined(CONFIG_SYS_USE_BOOT_NORFLASH)
 #define CONFIG_SYS_FLASH_CFI
 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
 #define	CONFIG_FLASH_CFI_DRIVER
@@ -117,13 +126,28 @@
 #define CONFIG_SYS_FLASH_WRITE_TOUT	3000
 #define CONFIG_SYS_FLASH_LOCK_TOUT	3000
 #define CONFIG_SYS_FLASH_UNLOCK_TOUT	3000
-
 /* ENV setting */
 #define CONFIG_ENV_IS_IN_FLASH
-#define CONFIG_ENV_OVERWRITE	1
-#define CONFIG_ENV_SECT_SIZE	(256 * 1024)
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE + \
 				 CONFIG_SYS_MONITOR_LEN)
+
+#else /* CONFIG_SYS_USE_BOOT_NORFLASH */
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SPI
+#define CONFIG_SH_QSPI
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_BAR
+#define CONFIG_SPI_FLASH_SPANSION
+/* ENV setting */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_ADDR	0xC0000
+
+#endif /* CONFIG_SYS_USE_BOOT_NORFLASH */
+
+/* Common ENV setting */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_ENV_SECT_SIZE	(256 * 1024)
 #define CONFIG_ENV_OFFSET	(CONFIG_ENV_ADDR)
 #define CONFIG_ENV_SIZE		(CONFIG_ENV_SECT_SIZE)
 #define CONFIG_ENV_SIZE_REDUND	(CONFIG_SYS_MONITOR_LEN)