1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ph1-sld3/memconf.c b/arch/arm/mach-uniphier/ph1-sld3/memconf.c
new file mode 100644
index 0000000000..553a9e3384
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/memconf.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <linux/sizes.h>
+#include <mach/sg-regs.h>
+
+static inline u32 sg_memconf_val_ch2(unsigned long size, int num)
+{
+	int size_mb = size / num;
+	u32 ret;
+
+	switch (size_mb) {
+	case SZ_64M:
+		ret = SG_MEMCONF_CH2_SZ_64M;
+		break;
+	case SZ_128M:
+		ret = SG_MEMCONF_CH2_SZ_128M;
+		break;
+	case SZ_256M:
+		ret = SG_MEMCONF_CH2_SZ_256M;
+		break;
+	case SZ_512M:
+		ret = SG_MEMCONF_CH2_SZ_512M;
+		break;
+	default:
+		BUG();
+		break;
+	}
+
+	switch (num) {
+	case 1:
+		ret |= SG_MEMCONF_CH2_NUM_1;
+		break;
+	case 2:
+		ret |= SG_MEMCONF_CH2_NUM_2;
+		break;
+	default:
+		BUG();
+		break;
+	}
+	return ret;
+}
+
+u32 memconf_additional_val(void)
+{
+	return sg_memconf_val_ch2(CONFIG_SDRAM2_SIZE, CONFIG_DDR_NUM_CH2);
+}