ARM: versatile: use fixed PCI i/o mapping

Move versatile PCI to fixed i/o mapping and remove io.h.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>

5 files changed, 4 insertions, 52 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a91009c61870..8fb7e4af28ed 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -293,7 +293,6 @@ config ARCH_VERSATILE
         select ICST
         select GENERIC_CLOCKEVENTS
         select ARCH_WANT_OPTIONAL_GPIOLIB
-        select NEED_MACH_IO_H if PCI
         select PLAT_VERSATILE
         select PLAT_VERSATILE_CLCD
         select PLAT_VERSATILE_FPGA_IRQ
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index cd8ea3588f93..ca7902c6ed18 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -169,11 +169,6 @@ static struct map_desc versatile_io_desc[] __initdata = {
                 .pfn            = __phys_to_pfn(VERSATILE_PCI_CFG_BASE),
                 .length         = VERSATILE_PCI_CFG_BASE_SIZE,
                 .type           = MT_DEVICE
-        }, {
-                .virtual        =  (unsigned long)VERSATILE_PCI_VIRT_MEM_BASE0,
-                .pfn            = __phys_to_pfn(VERSATILE_PCI_MEM_BASE0),
-                .length         = IO_SPACE_LIMIT,
-                .type           = MT_DEVICE
         },
 #endif
 };
diff --git a/arch/arm/mach-versatile/include/mach/hardware.h b/arch/arm/mach-versatile/include/mach/hardware.h
index 408e58da46c6..3e5d425e2a92 100644
--- a/arch/arm/mach-versatile/include/mach/hardware.h
+++ b/arch/arm/mach-versatile/include/mach/hardware.h
@@ -29,7 +29,6 @@
  */
 #define VERSATILE_PCI_VIRT_BASE         (void __iomem *)0xe8000000ul
 #define VERSATILE_PCI_CFG_VIRT_BASE     (void __iomem *)0xe9000000ul
-#define VERSATILE_PCI_VIRT_MEM_BASE0    (void __iomem *)PCIO_BASE
 
 /* macro to get at MMIO space when running virtually */
 #define IO_ADDRESS(x)           (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
diff --git a/arch/arm/mach-versatile/include/mach/io.h b/arch/arm/mach-versatile/include/mach/io.h
deleted file mode 100644
index 0406513be7d8..000000000000
--- a/arch/arm/mach-versatile/include/mach/io.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- *  arch/arm/mach-versatile/include/mach/io.h
- *
- *  Copyright (C) 2003 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define PCIO_BASE       0xeb000000ul
-
-#define __io(a)         ((a) + PCIO_BASE)
-
-#endif
diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c
index e95bf84cc837..2f84f4094f13 100644
--- a/arch/arm/mach-versatile/pci.c
+++ b/arch/arm/mach-versatile/pci.c
@@ -169,13 +169,6 @@ static struct pci_ops pci_versatile_ops = {
         .write  = versatile_write_config,
 };
 
-static struct resource io_port = {
-        .name   = "PCI",
-        .start  = 0,
-        .end    = IO_SPACE_LIMIT,
-        .flags  = IORESOURCE_IO,
-};
-
 static struct resource io_mem = {
         .name   = "PCI I/O space",
         .start  = VERSATILE_PCI_MEM_BASE0,
@@ -207,12 +200,6 @@ static int __init pci_versatile_setup_resources(struct pci_sys_data *sys)
                        "memory region (%d)\n", ret);
                 goto out;
         }
-        ret = request_resource(&ioport_resource, &io_port);
-        if (ret) {
-                printk(KERN_ERR "PCI: unable to allocate I/O "
-                       "port region (%d)\n", ret);
-                goto out;
-        }
         ret = request_resource(&iomem_resource, &non_mem);
         if (ret) {
                 printk(KERN_ERR "PCI: unable to allocate non-prefetchable "
@@ -227,11 +214,9 @@ static int __init pci_versatile_setup_resources(struct pci_sys_data *sys)
         }
 
         /*
-         * the IO resource for this bus
          * the mem resource for this bus
          * the prefetch mem resource for this bus
          */
-        pci_add_resource_offset(&sys->resources, &io_port, sys->io_offset);
         pci_add_resource_offset(&sys->resources, &non_mem, sys->mem_offset);
         pci_add_resource_offset(&sys->resources, &pre_mem, sys->mem_offset);
 
@@ -260,9 +245,11 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys)
                 goto out;
         }
 
+        ret = pci_ioremap_io(0, VERSATILE_PCI_MEM_BASE0);
+        if (ret)
+                goto out;
+
         if (nr == 0) {
-                sys->mem_offset = 0;
-                sys->io_offset = 0;
                 ret = pci_versatile_setup_resources(sys);
                 if (ret < 0) {
                         printk("pci_versatile_setup: resources... oops?\n");
@@ -319,7 +306,6 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys)
 
 void __init pci_versatile_preinit(void)
 {
-        pcibios_min_io = 0x44000000;
         pcibios_min_mem = 0x50000000;
 
         __raw_writel(VERSATILE_PCI_MEM_BASE0 >> 28, PCI_IMAP0);