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Viewing changes to arch/x86/include/asm/gart.h

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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arch/x86/include/asm/gart.h
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         * Don't enable translation but enable GART IO and CPU accesses.
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         * Also, set DISTLBWALKPRB since GART tables memory is UC.
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         */
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        ctl = DISTLBWALKPRB | order << 1;
 
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        ctl = order << 1;
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        pci_write_config_dword(dev, AMD64_GARTAPERTURECTL, ctl);
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}
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{
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        u32 tmp, ctl;
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        /* address of the mappings table */
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        addr >>= 12;
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        tmp = (u32) addr<<4;
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        tmp &= ~0xf;
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        pci_write_config_dword(dev, AMD64_GARTTABLEBASE, tmp);
 
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        /* address of the mappings table */
 
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        addr >>= 12;
 
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        tmp = (u32) addr<<4;
 
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        tmp &= ~0xf;
 
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        pci_write_config_dword(dev, AMD64_GARTTABLEBASE, tmp);
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        /* Enable GART translation for this hammer. */
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        pci_read_config_dword(dev, AMD64_GARTAPERTURECTL, &ctl);
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        ctl |= GARTEN;
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        ctl &= ~(DISGARTCPU | DISGARTIO);
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        pci_write_config_dword(dev, AMD64_GARTAPERTURECTL, ctl);
 
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        /* Enable GART translation for this hammer. */
 
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        pci_read_config_dword(dev, AMD64_GARTAPERTURECTL, &ctl);
 
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        ctl |= GARTEN | DISTLBWALKPRB;
 
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        ctl &= ~(DISGARTCPU | DISGARTIO);
 
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        pci_write_config_dword(dev, AMD64_GARTAPERTURECTL, ctl);
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}
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static inline int aperture_valid(u64 aper_base, u32 aper_size, u32 min_size)