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authorSunyoung Kang <sy0816.kang@samsung.com>2010-12-21 22:21:17 (GMT)
committerKukjin Kim <kgene.kim@samsung.com>2010-12-23 05:53:39 (GMT)
commitdd0b7e20da906b40d55f24bb2dc21abd58ed3f55 (patch)
treef4b66c9b95a8883c6633b0a9edb8ff15292baa77 /arch/arm/mach-s5pv310
parent09dc781e94b881d23e3c5da8c72d6832ae542938 (diff)
downloadlinux-fsl-qoriq-dd0b7e20da906b40d55f24bb2dc21abd58ed3f55.tar.xz
ARM: S5PV310: Add DMC registers and map_desc
This patch adds DMC io mapping for access it and adds registers. This is used in checking DRAM memory type. Signed-off-by: Sunyoung Kang <sy0816.kang@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s5pv310')
-rw-r--r--arch/arm/mach-s5pv310/cpu.c5
-rw-r--r--arch/arm/mach-s5pv310/include/mach/map.h2
-rw-r--r--arch/arm/mach-s5pv310/include/mach/regs-mem.h23
3 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c
index 82ce4aa..283dd75 100644
--- a/arch/arm/mach-s5pv310/cpu.c
+++ b/arch/arm/mach-s5pv310/cpu.c
@@ -73,6 +73,11 @@ static struct map_desc s5pv310_iodesc[] __initdata = {
.length = SZ_256,
.type = MT_DEVICE,
}, {
+ .virtual = (unsigned long)S5P_VA_DMC0,
+ .pfn = __phys_to_pfn(S5PV310_PA_DMC0),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(S3C_PA_UART),
.length = SZ_512K,
diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-s5pv310/include/mach/map.h
index 7acf4e7..37294f1 100644
--- a/arch/arm/mach-s5pv310/include/mach/map.h
+++ b/arch/arm/mach-s5pv310/include/mach/map.h
@@ -44,6 +44,8 @@
#define S5PV310_PA_WATCHDOG (0x10060000)
#define S5PV310_PA_RTC (0x10070000)
+#define S5PV310_PA_DMC0 (0x10400000)
+
#define S5PV310_PA_COMBINER (0x10448000)
#define S5PV310_PA_COREPERI (0x10500000)
diff --git a/arch/arm/mach-s5pv310/include/mach/regs-mem.h b/arch/arm/mach-s5pv310/include/mach/regs-mem.h
new file mode 100644
index 0000000..8342271
--- /dev/null
+++ b/arch/arm/mach-s5pv310/include/mach/regs-mem.h
@@ -0,0 +1,23 @@
+/* linux/arch/arm/mach-s5pv310/include/mach/regs-mem.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * S5PV310 - SROMC and DMC register definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_MEM_H
+#define __ASM_ARCH_REGS_MEM_H __FILE__
+
+#include <mach/map.h>
+
+#define S5P_DMC0_MEMCON_OFFSET 0x04
+
+#define S5P_DMC0_MEMTYPE_SHIFT 8
+#define S5P_DMC0_MEMTYPE_MASK 0xF
+
+#endif /* __ASM_ARCH_REGS_MEM_H */