ARM: mv78xx0: use fixed pci i/o mapping

Move mv78xx0 PCI to fixed i/o mapping and remove io.h. This changes the PCI
bus addresses from the cpu address to 0 based. It appears that there is
translation h/w for this, but its untested.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>

2 files changed, 10 insertions, 35 deletions

diff --git a/arch/arm/mach-mv78xx0/include/mach/io.h b/arch/arm/mach-mv78xx0/include/mach/io.h
deleted file mode 100644
index c7d9d00d8fc..00000000000
--- a/arch/arm/mach-mv78xx0/include/mach/io.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * arch/arm/mach-mv78xx0/include/mach/io.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __ASM_ARCH_IO_H
-#define __ASM_ARCH_IO_H
-
-#include "mv78xx0.h"
-
-#define IO_SPACE_LIMIT          0xffffffff
-
-static inline void __iomem *__io(unsigned long addr)
-{
-        return (void __iomem *)((addr - MV78XX0_PCIE_IO_PHYS_BASE(0))
-                                        + MV78XX0_PCIE_IO_VIRT_BASE(0));
-}
-
-#define __io(a)                 __io(a)
-
-#endif
diff --git a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
index e807c4c52a0..bd03fed1128 100644
--- a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
+++ b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
@@ -29,15 +29,15 @@
  *
  * virt         phys            size
  * fe400000     f102x000        16K     core-specific peripheral registers
- * fe700000     f0800000        1M      PCIe #0 I/O space
- * fe800000     f0900000        1M      PCIe #1 I/O space
- * fe900000     f0a00000        1M      PCIe #2 I/O space
- * fea00000     f0b00000        1M      PCIe #3 I/O space
- * feb00000     f0c00000        1M      PCIe #4 I/O space
- * fec00000     f0d00000        1M      PCIe #5 I/O space
- * fed00000     f0e00000        1M      PCIe #6 I/O space
- * fee00000     f0f00000        1M      PCIe #7 I/O space
- * fef00000     f1000000        1M      on-chip peripheral registers
+ * fee00000     f0800000        64K     PCIe #0 I/O space
+ * fee10000     f0900000        64K     PCIe #1 I/O space
+ * fee20000     f0a00000        64K     PCIe #2 I/O space
+ * fee30000     f0b00000        64K     PCIe #3 I/O space
+ * fee40000     f0c00000        64K     PCIe #4 I/O space
+ * fee50000     f0d00000        64K     PCIe #5 I/O space
+ * fee60000     f0e00000        64K     PCIe #6 I/O space
+ * fee70000     f0f00000        64K     PCIe #7 I/O space
+ * fd000000     f1000000        1M      on-chip peripheral registers
  */
 #define MV78XX0_CORE0_REGS_PHYS_BASE    0xf1020000
 #define MV78XX0_CORE1_REGS_PHYS_BASE    0xf1024000
@@ -46,11 +46,10 @@
 #define MV78XX0_CORE_REGS_SIZE          SZ_16K
 
 #define MV78XX0_PCIE_IO_PHYS_BASE(i)    (0xf0800000 + ((i) << 20))
-#define MV78XX0_PCIE_IO_VIRT_BASE(i)    (0xfe700000 + ((i) << 20))
 #define MV78XX0_PCIE_IO_SIZE            SZ_1M
 
 #define MV78XX0_REGS_PHYS_BASE          0xf1000000
-#define MV78XX0_REGS_VIRT_BASE          0xfef00000
+#define MV78XX0_REGS_VIRT_BASE          0xfd000000
 #define MV78XX0_REGS_SIZE               SZ_1M
 
 #define MV78XX0_PCIE_MEM_PHYS_BASE      0xc0000000