ARM: integrator: move static ioremapping into PCIv3 driver
Try to make this driver self-contained by moving the ioremapping
into the driver.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index 059ac4e..a3cefde 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 @@
return -ENODEV;
}
- vga_base = (unsigned long)PCI_MEMORY_VADDR;
pci_common_init(&pci_v3);
return 0;
@@ -869,3 +886,32 @@
}
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;
+}