From: Stepan Moskovchenko <stepanm@codeaurora.org>
Date: Thu, 10 Mar 2011 04:12:25 +0000 (+0100)
Subject: ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode
X-Git-Tag: upstream/snapshot3+hdmi~11210^2~2^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6fa85e5ce311a8c57fe32cb6403961f7a897112d;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode

Use the correct I/O address definitions for Footbridge
peripherals when the kernel is compiled without MMU
support.

Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/mach-footbridge/include/mach/hardware.h b/arch/arm/mach-footbridge/include/mach/hardware.h
index 51dd902..b6fdf23 100644
--- a/arch/arm/mach-footbridge/include/mach/hardware.h
+++ b/arch/arm/mach-footbridge/include/mach/hardware.h
@@ -23,26 +23,33 @@
  * 0xf9000000	0x50000000	1MB	Cache flush
  * 0xf0000000	0x80000000	16MB	ISA memory
  */
+
+#ifdef CONFIG_MMU
+#define MMU_IO(a, b)	(a)
+#else
+#define MMU_IO(a, b)	(b)
+#endif
+
 #define XBUS_SIZE		0x00100000
-#define XBUS_BASE		0xff800000
+#define XBUS_BASE		MMU_IO(0xff800000, 0x40000000)
 
 #define ARMCSR_SIZE		0x00100000
-#define ARMCSR_BASE		0xfe000000
+#define ARMCSR_BASE		MMU_IO(0xfe000000, 0x42000000)
 
 #define WFLUSH_SIZE		0x00100000
-#define WFLUSH_BASE		0xfd000000
+#define WFLUSH_BASE		MMU_IO(0xfd000000, 0x78000000)
 
 #define PCIIACK_SIZE		0x00100000
-#define PCIIACK_BASE		0xfc000000
+#define PCIIACK_BASE		MMU_IO(0xfc000000, 0x79000000)
 
 #define PCICFG1_SIZE		0x01000000
-#define PCICFG1_BASE		0xfb000000
+#define PCICFG1_BASE		MMU_IO(0xfb000000, 0x7a000000)
 
 #define PCICFG0_SIZE		0x01000000
-#define PCICFG0_BASE		0xfa000000
+#define PCICFG0_BASE		MMU_IO(0xfa000000, 0x7b000000)
 
 #define PCIMEM_SIZE		0x01000000
-#define PCIMEM_BASE		0xf0000000
+#define PCIMEM_BASE		MMU_IO(0xf0000000, 0x80000000)
 
 #define XBUS_LEDS		((volatile unsigned char *)(XBUS_BASE + 0x12000))
 #define XBUS_LED_AMBER		(1 << 0)
diff --git a/arch/arm/mach-footbridge/include/mach/io.h b/arch/arm/mach-footbridge/include/mach/io.h
index 101a4fe..32e4cc3 100644
--- a/arch/arm/mach-footbridge/include/mach/io.h
+++ b/arch/arm/mach-footbridge/include/mach/io.h
@@ -14,8 +14,14 @@
 #ifndef __ASM_ARM_ARCH_IO_H
 #define __ASM_ARM_ARCH_IO_H
 
-#define PCIO_SIZE		0x00100000
-#define PCIO_BASE		0xff000000
+#ifdef CONFIG_MMU
+#define MMU_IO(a, b)	(a)
+#else
+#define MMU_IO(a, b)	(b)
+#endif
+
+#define PCIO_SIZE       0x00100000
+#define PCIO_BASE       MMU_IO(0xff000000, 0x7c000000)
 
 #define IO_SPACE_LIMIT 0xffff