arm: a320evb: fixes for relocation support

* add CONFIG_SYS_SDRAM_BASE and CONFIG_SYS_INIT_SP_ADDR
* do not update gd->bd in dram_init() because bd is unavailable then
* move CONFIG_SYS_TEXT_BASE from config.mk to a320evb.h
* remove config.mk

Signed-off-by: Po-Yu Chuang <ratbert@faraday-tech.com>
diff --git a/include/configs/a320evb.h b/include/configs/a320evb.h
index f67cf06..27f137f 100644
--- a/include/configs/a320evb.h
+++ b/include/configs/a320evb.h
@@ -138,15 +138,21 @@
 #define PHYS_SDRAM_1		0x10000000	/* SDRAM Bank #1 */
 #define PHYS_SDRAM_1_SIZE	0x04000000	/* 64 MB */
 
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
+#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x1000 - \
+					GENERATED_GBL_DATA_SIZE)
+
 /*
  * Load address and memory test area should agree with
  * board/faraday/a320/config.mk. Be careful not to overwrite U-boot itself.
  */
-#define CONFIG_SYS_LOAD_ADDR		0x12000000
+#define CONFIG_SYS_LOAD_ADDR		(PHYS_SDRAM_1 + 0x2000000)
 
 /* memtest works on 63 MB in DRAM */
-#define CONFIG_SYS_MEMTEST_START	0x10000000
-#define CONFIG_SYS_MEMTEST_END		0x13F00000
+#define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1
+#define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_1 + 0x3F00000)
+
+#define CONFIG_SYS_TEXT_BASE		0
 
 /*-----------------------------------------------------------------------
  * Static memory controller configuration
@@ -215,7 +221,7 @@
 
 /* environments */
 #define CONFIG_ENV_IS_IN_FLASH
-#define CONFIG_ENV_ADDR			0x00060000
+#define CONFIG_ENV_ADDR			(PHYS_FLASH_1 + 0x60000)
 #define CONFIG_ENV_SIZE			0x20000
 
 #endif	/* __CONFIG_H */