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Lines 18-24
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#include <linux/pci_ids.h> |
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#include <linux/pci_ids.h> |
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#include <linux/pci.h> |
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#include <linux/pci.h> |
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#include <linux/bitops.h> |
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#include <linux/bitops.h> |
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#include <linux/ioport.h> |
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#include <linux/suspend.h> |
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#include <linux/suspend.h> |
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#include <asm/e820.h> |
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#include <asm/e820.h> |
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#include <asm/io.h> |
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#include <asm/io.h> |
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Lines 54-71
int fallback_aper_force __initdata;
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int fix_aperture __initdata = 1; |
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int fix_aperture __initdata = 1; |
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static struct resource gart_resource = { |
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.name = "GART", |
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.flags = IORESOURCE_MEM, |
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}; |
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static void __init insert_aperture_resource(u32 aper_base, u32 aper_size) |
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{ |
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gart_resource.start = aper_base; |
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gart_resource.end = aper_base + aper_size - 1; |
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insert_resource(&iomem_resource, &gart_resource); |
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} |
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/* This code runs before the PCI subsystem is initialized, so just |
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/* This code runs before the PCI subsystem is initialized, so just |
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access the northbridge directly. */ |
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access the northbridge directly. */ |
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Lines 96-102
static u32 __init allocate_aperture(void)
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memblock_reserve(addr, aper_size); |
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memblock_reserve(addr, aper_size); |
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printk(KERN_INFO "Mapping aperture over %d KB of RAM @ %lx\n", |
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printk(KERN_INFO "Mapping aperture over %d KB of RAM @ %lx\n", |
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aper_size >> 10, addr); |
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aper_size >> 10, addr); |
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insert_aperture_resource((u32)addr, aper_size); |
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register_nosave_region(addr >> PAGE_SHIFT, |
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register_nosave_region(addr >> PAGE_SHIFT, |
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(addr+aper_size) >> PAGE_SHIFT); |
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(addr+aper_size) >> PAGE_SHIFT); |
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Lines 444-455
int __init gart_iommu_hole_init(void)
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out: |
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out: |
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if (!fix && !fallback_aper_force) { |
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if (!fix && !fallback_aper_force) { |
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if (last_aper_base) { |
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if (last_aper_base) |
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unsigned long n = (32 * 1024 * 1024) << last_aper_order; |
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insert_aperture_resource((u32)last_aper_base, n); |
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return 1; |
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return 1; |
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} |
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return 0; |
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return 0; |
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} |
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} |
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