vexpress64: juno: add NOR flash detection

This enables the vexpress64 to detect its NOR flash so that we
can load kernel etc from it.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

include/configs/vexpress_aemv8a.h

@@ -29,8 +29,6 @@
 
 /*#define CONFIG_ARMV8_SWITCH_TO_EL1*/
 
-#define CONFIG_SYS_NO_FLASH
-
 #define CONFIG_SUPPORT_RAW_INITRD
 
 /* Cache Definitions */
@@ -56,7 +54,6 @@
 /* Flat Device Tree Definitions */
 #define CONFIG_OF_LIBFDT
 
-
 /* SMP Spin Table Definitions */
 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
 #define CPU_RELEASE_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x03f00000)
@@ -79,13 +76,6 @@
 
 #define V2M_BASE			0x80000000
 
-/*
- * Physical addresses, offset from V2M_PA_CS0-3
- */
-#define V2M_NOR0			(V2M_PA_CS0)
-#define V2M_NOR1			(V2M_PA_CS4)
-#define V2M_SRAM			(V2M_PA_CS1)
-
 /* Common peripherals relative to CS7. */
 #define V2M_AACI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(4))
 #define V2M_MMCI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(5))
@@ -183,7 +173,6 @@
 #define CONFIG_CMD_DHCP
 #define CONFIG_CMD_PXE
 #define CONFIG_CMD_ENV
-#define CONFIG_CMD_FLASH
 #define CONFIG_CMD_IMI
 #define CONFIG_CMD_LOADB
 #define CONFIG_CMD_MEMORY
@@ -266,4 +255,27 @@
 #define CONFIG_CMDLINE_EDITING
 #define CONFIG_SYS_MAXARGS		64	/* max command args */
 
+/* Flash memory is available on the Juno board only */
+#ifndef CONFIG_TARGET_VEXPRESS64_JUNO
+#define CONFIG_SYS_NO_FLASH
+#else
+#define CONFIG_CMD_FLASH
+#define CONFIG_SYS_FLASH_CFI		1
+#define CONFIG_FLASH_CFI_DRIVER		1
+#define CONFIG_SYS_FLASH_BASE		0x08000000
+#define CONFIG_SYS_FLASH_SIZE		0x04000000 /* 64 MiB */
+#define CONFIG_SYS_MAX_FLASH_BANKS	2
+
+/* Timeout values in ticks */
+#define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Erase Timeout */
+#define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Write Timeout */
+
+/* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
+#define CONFIG_SYS_MAX_FLASH_SECT	259		/* Max sectors */
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
+#define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
+#define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
+
+#endif
+
 #endif /* __VEXPRESS_AEMV8A_H */