Merge branches 'x86/alternatives', 'x86/cleanups', 'x86/commandline', 'x86/crashdump...

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / pci-gart_64.c

diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 4d8efb05428db3650983a67c2f00e4f4207fb325..1a895a58253468e0cbba97b9aba7fb6d8d2fff8a 100644 (file)
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -633,7 +633,6 @@ static __init int init_k8_gatt(struct agp_kern_info *info)
        struct pci_dev *dev;
        void *gatt;
        int i, error;
-       unsigned long start_pfn, end_pfn;
 
        printk(KERN_INFO "PCI-DMA: Disabling AGP.\n");
        aper_size = aper_base = info->aper_size = 0;
@@ -679,12 +678,6 @@ static __init int init_k8_gatt(struct agp_kern_info *info)
        printk(KERN_INFO "PCI-DMA: aperture base @ %x size %u KB\n",
               aper_base, aper_size>>10);
 
-       /* need to map that range */
-       end_pfn = (aper_base>>PAGE_SHIFT) + (aper_size>>PAGE_SHIFT);
-       if (end_pfn > max_low_pfn_mapped) {
-               start_pfn = (aper_base>>PAGE_SHIFT);
-               init_memory_mapping(start_pfn<<PAGE_SHIFT, end_pfn<<PAGE_SHIFT);
-       }
        return 0;
 
  nommu:
@@ -734,7 +727,8 @@ void __init gart_iommu_init(void)
 {
        struct agp_kern_info info;
        unsigned long iommu_start;
-       unsigned long aper_size;
+       unsigned long aper_base, aper_size;
+       unsigned long start_pfn, end_pfn;
        unsigned long scratch;
        long i;
 
@@ -772,8 +766,16 @@ void __init gart_iommu_init(void)
                return;
        }
 
+       /* need to map that range */
+       aper_size = info.aper_size << 20;
+       aper_base = info.aper_base;
+       end_pfn = (aper_base>>PAGE_SHIFT) + (aper_size>>PAGE_SHIFT);
+       if (end_pfn > max_low_pfn_mapped) {
+               start_pfn = (aper_base>>PAGE_SHIFT);
+               init_memory_mapping(start_pfn<<PAGE_SHIFT, end_pfn<<PAGE_SHIFT);
+       }
+
        printk(KERN_INFO "PCI-DMA: using GART IOMMU.\n");
-       aper_size = info.aper_size * 1024 * 1024;
        iommu_size = check_iommu_size(info.aper_base, aper_size);
        iommu_pages = iommu_size >> PAGE_SHIFT;