x86: use CR0 defines.
Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@@ -5,6 +5,7 @@
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#include <asm/dma.h>
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#include <asm/io.h>
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#include <asm/processor-cyrix.h>
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#include <asm/processor-flags.h>
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#include <asm/timer.h>
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#include <asm/pci-direct.h>
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#include <asm/tsc.h>
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@@ -126,15 +127,12 @@ static void __cpuinit set_cx86_reorder(void)
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static void __cpuinit set_cx86_memwb(void)
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{
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u32 cr0;
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printk(KERN_INFO "Enable Memory-Write-back mode on Cyrix/NSC processor.\n");
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/* CCR2 bit 2: unlock NW bit */
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setCx86(CX86_CCR2, getCx86(CX86_CCR2) & ~0x04);
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/* set 'Not Write-through' */
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cr0 = 0x20000000;
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write_cr0(read_cr0() | cr0);
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write_cr0(read_cr0() | X86_CR0_NW);
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/* CCR2 bit 2: lock NW bit and set WT1 */
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setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x14 );
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}
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