ARM: uniphier: remove CONFIG_SYS_SDRAM_BASE

The base address of DRAM was 0x80000000 for all the ARM SoCs of this
family in the past. It will be changed to 0x20000000 for a planned new
SoC. To support multiple SoCs by the single uniphier_v8_defconfig, the
base must be run-time determined.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/dram_init.c b/arch/arm/mach-uniphier/dram_init.c
index 970fa09..13821a9 100644
--- a/arch/arm/mach-uniphier/dram_init.c
+++ b/arch/arm/mach-uniphier/dram_init.c
@@ -33,7 +33,7 @@
 	val = readl(sg_base + SG_MEMCONF);
 
 	/* set up ch0 */
-	dram_map[0].base = CONFIG_SYS_SDRAM_BASE;
+	dram_map[0].base = 0x80000000;
 
 	switch (val & SG_MEMCONF_CH0_SZ_MASK) {
 	case SG_MEMCONF_CH0_SZ_64M:
@@ -255,6 +255,9 @@
 
 		gd->ram_size += dram_map[i].size;
 
+		if (!valid_bank_found)
+			gd->ram_base = dram_map[i].base;
+
 		prev_top = dram_map[i].base + dram_map[i].size;
 		valid_bank_found = true;
 	}
diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h
index 6979165..46d576d 100644
--- a/include/configs/uniphier.h
+++ b/include/configs/uniphier.h
@@ -90,10 +90,6 @@
 #define CONFIG_SYS_NAND_DATA_BASE			0x68000000
 #define CONFIG_SYS_NAND_BAD_BLOCK_POS			0
 
-/* memtest works on */
-#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
-#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + 0x01000000)
-
 /*
  * Network Configuration
  */
@@ -215,8 +211,6 @@
 
 #define CONFIG_SYS_BOOTMAPSZ			0x20000000
 
-#define CONFIG_SYS_SDRAM_BASE		0x80000000
-
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE)
 
 /* only for SPL */