1 files changed, 47 insertions, 1 deletions

diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index 059ac4e8a67e..a3cefdebd136 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -34,10 +34,28 @@
 #include <mach/platform.h>
 #include <mach/irqs.h>
 
+#include <asm/mach/map.h>
 #include <asm/signal.h>
 #include <asm/mach/pci.h>
 #include <asm/irq_regs.h>
 
+#include "pci_v3.h"
+
+/*
+ * Where in the memory map does PCI live?
+ *
+ * This represents a fairly liberal usage of address space.  Even though
+ * the V3 only has two windows (therefore we need to map stuff on the fly),
+ * we maintain the same addresses, even if they're not mapped.
+ */
+#define PHYS_PCI_MEM_BASE               0x40000000 /* 512M */
+#define PHYS_PCI_IO_BASE                0x60000000 /* 16M */
+#define PHYS_PCI_CONFIG_BASE            0x61000000 /* 16M */
+#define PHYS_PCI_V3_BASE                0x62000000 /* 64K */
+
+#define PCI_MEMORY_VADDR               IOMEM(0xe8000000)
+#define PCI_CONFIG_VADDR               IOMEM(0xec000000)
+
 /*
  * V3 Local Bus to PCI Bridge definitions
  *
@@ -851,7 +869,6 @@ static int __init pci_v3_probe(struct platform_device *pdev)
                 return -ENODEV;
         }
 
-        vga_base = (unsigned long)PCI_MEMORY_VADDR;
         pci_common_init(&pci_v3);
 
         return 0;
@@ -869,3 +886,32 @@ static int __init pci_v3_init(void)
 }
 
 subsys_initcall(pci_v3_init);
+
+/*
+ * Static mappings for the PCIv3 bridge
+ *
+ * e8000000     40000000        PCI memory              PHYS_PCI_MEM_BASE       (max 512M)
+ * ec000000     61000000        PCI config space        PHYS_PCI_CONFIG_BASE    (max 16M)
+ * fee00000     60000000        PCI IO                  PHYS_PCI_IO_BASE        (max 16M)
+ */
+static struct map_desc pci_v3_io_desc[] __initdata __maybe_unused = {
+        {
+                .virtual        = (unsigned long)PCI_MEMORY_VADDR,
+                .pfn            = __phys_to_pfn(PHYS_PCI_MEM_BASE),
+                .length         = SZ_16M,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = (unsigned long)PCI_CONFIG_VADDR,
+                .pfn            = __phys_to_pfn(PHYS_PCI_CONFIG_BASE),
+                .length         = SZ_16M,
+                .type           = MT_DEVICE
+        }
+};
+
+int __init pci_v3_early_init(void)
+{
+        iotable_init(pci_v3_io_desc, ARRAY_SIZE(pci_v3_io_desc));
+        vga_base = (unsigned long)PCI_MEMORY_VADDR;
+        pci_map_io_early(__phys_to_pfn(PHYS_PCI_IO_BASE));
+        return 0;
+}