summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c
diff options
context:
space:
mode:
authorMinkyu Kang <mk7.kang@samsung.com>2014-10-07 19:14:03 +0900
committerMinkyu Kang <mk7.kang@samsung.com>2014-10-07 19:14:03 +0900
commit3cc83f9d08a80fddf4c1e8e766eff8273f30814c (patch)
tree831246a1b77d26d0296a84c90684e0fee0368737 /arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c
parent64f41212d880f3d00c6994d973aadeec5bda1b65 (diff)
parent6dd0e7c00bfa5ce861a72b8e4a3ef9e787306125 (diff)
Merge branch 'uboot'
Diffstat (limited to 'arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c')
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c
new file mode 100644
index 0000000000..b4dd799a88
--- /dev/null
+++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2011-2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sg-regs.h>
+
+void sg_init(void)
+{
+ u32 tmp;
+
+ /* Set DDR size */
+ tmp = sg_memconf_val_ch0(CONFIG_SDRAM0_SIZE, CONFIG_DDR_NUM_CH0);
+ tmp |= sg_memconf_val_ch1(CONFIG_SDRAM1_SIZE, CONFIG_DDR_NUM_CH1);
+#if CONFIG_SDRAM0_BASE + CONFIG_SDRAM0_SIZE < CONFIG_SDRAM1_BASE
+ tmp |= SG_MEMCONF_SPARSEMEM;
+#endif
+ writel(tmp, SG_MEMCONF);
+
+ /* Input ports must be enabled deasserting reset of cores */
+ tmp = readl(SG_IECTRL);
+ tmp |= 0x1;
+ writel(tmp, SG_IECTRL);
+}