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ARM: integrator: move static ioremapping into PCIv3 driver

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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>
This commit is contained in:
Linus Walleij
2013-03-19 19:58:49 +01:00
parent 01ef31053d
commit ae9daf2d00
4 changed files with 51 additions and 38 deletions
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48
arch/arm/mach-integrator/pci_v3.c
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@@ -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;
}