ARM: S5PV310: Add support SROMC

This patch adds support SROMC for S5PV310 and S5PC210.

Signed-off-by: Daein Moon <moon9124@samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

3 files changed, 59 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c
index 4e3f5be264ef..82ce4aa6d61a 100644
--- a/arch/arm/mach-s5pv310/cpu.c
+++ b/arch/arm/mach-s5pv310/cpu.c
@@ -77,6 +77,11 @@ static struct map_desc s5pv310_iodesc[] __initdata = {
                 .pfn            = __phys_to_pfn(S3C_PA_UART),
                 .length         = SZ_512K,
                 .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S5P_VA_SROMC,
+                .pfn            = __phys_to_pfn(S5PV310_PA_SROMC),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
         },
 };
 
diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-s5pv310/include/mach/map.h
index 1e3384fba13a..7acf4e77e92e 100644
--- a/arch/arm/mach-s5pv310/include/mach/map.h
+++ b/arch/arm/mach-s5pv310/include/mach/map.h
@@ -25,6 +25,8 @@
 
 #define S5PV310_PA_SYSRAM               (0x02025000)
 
+#define S5PV310_PA_SROM_BANK(x)         (0x04000000 + ((x) * 0x01000000))
+
 #define S5PC210_PA_ONENAND              (0x0C000000)
 #define S5P_PA_ONENAND                  S5PC210_PA_ONENAND
 
@@ -56,6 +58,8 @@
 
 #define S5PV310_PA_HSMMC(x)             (0x12510000 + ((x) * 0x10000))
 
+#define S5PV310_PA_SROMC                (0x12570000)
+
 #define S5PV310_PA_UART                 (0x13800000)
 
 #define S5P_PA_UART(x)                  (S5PV310_PA_UART + ((x) * S3C_UART_OFFSET))
diff --git a/arch/arm/mach-s5pv310/include/mach/regs-srom.h b/arch/arm/mach-s5pv310/include/mach/regs-srom.h
new file mode 100644
index 000000000000..1898b3e10550
--- /dev/null
+++ b/arch/arm/mach-s5pv310/include/mach/regs-srom.h
@@ -0,0 +1,50 @@
+/* linux/arch/arm/mach-s5pv310/include/mach/regs-srom.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * S5PV310 - SROMC 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_SROM_H
+#define __ASM_ARCH_REGS_SROM_H __FILE__
+
+#include <mach/map.h>
+
+#define S5PV310_SROMREG(x)      (S5P_VA_SROMC + (x))
+
+#define S5PV310_SROM_BW         S5PV310_SROMREG(0x0)
+#define S5PV310_SROM_BC0        S5PV310_SROMREG(0x4)
+#define S5PV310_SROM_BC1        S5PV310_SROMREG(0x8)
+#define S5PV310_SROM_BC2        S5PV310_SROMREG(0xc)
+#define S5PV310_SROM_BC3        S5PV310_SROMREG(0x10)
+
+/* one register BW holds 4 x 4-bit packed settings for NCS0 - NCS3 */
+
+#define S5PV310_SROM_BW__DATAWIDTH__SHIFT       0
+#define S5PV310_SROM_BW__ADDRMODE__SHIFT        1
+#define S5PV310_SROM_BW__WAITENABLE__SHIFT      2
+#define S5PV310_SROM_BW__BYTEENABLE__SHIFT      3
+
+#define S5PV310_SROM_BW__CS_MASK                0xf
+
+#define S5PV310_SROM_BW__NCS0__SHIFT            0
+#define S5PV310_SROM_BW__NCS1__SHIFT            4
+#define S5PV310_SROM_BW__NCS2__SHIFT            8
+#define S5PV310_SROM_BW__NCS3__SHIFT            12
+
+/* applies to same to BCS0 - BCS3 */
+
+#define S5PV310_SROM_BCX__PMC__SHIFT            0
+#define S5PV310_SROM_BCX__TACP__SHIFT           4
+#define S5PV310_SROM_BCX__TCAH__SHIFT           8
+#define S5PV310_SROM_BCX__TCOH__SHIFT           12
+#define S5PV310_SROM_BCX__TACC__SHIFT           16
+#define S5PV310_SROM_BCX__TCOS__SHIFT           24
+#define S5PV310_SROM_BCX__TACS__SHIFT           28
+
+#endif /* __ASM_ARCH_REGS_SROM_H */