[PATCH] i386: geode configuration fixes
Original code doesn't write back to CCR4 register. This patch reflects a value of a register. Cc: Jordan Crouse <jordan.crouse@amd.com> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de>
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@ -161,19 +161,19 @@ static void __cpuinit set_cx86_inc(void)
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static void __cpuinit geode_configure(void)
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{
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unsigned long flags;
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u8 ccr3, ccr4;
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u8 ccr3;
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local_irq_save(flags);
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/* Suspend on halt power saving and enable #SUSP pin */
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setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88);
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ccr3 = getCx86(CX86_CCR3);
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setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* Enable */
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setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */
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ccr4 = getCx86(CX86_CCR4);
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ccr4 |= 0x38; /* FPU fast, DTE cache, Mem bypass */
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setCx86(CX86_CCR3, ccr3);
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/* FPU fast, DTE cache, Mem bypass */
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setCx86(CX86_CCR4, getCx86(CX86_CCR4) | 0x38);
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setCx86(CX86_CCR3, ccr3); /* disable MAPEN */
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set_cx86_memwb();
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set_cx86_reorder();
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@ -420,15 +420,14 @@ static void __cpuinit cyrix_identify(struct cpuinfo_x86 * c)
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if (dir0 == 5 || dir0 == 3)
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{
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unsigned char ccr3, ccr4;
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unsigned char ccr3;
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unsigned long flags;
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printk(KERN_INFO "Enabling CPUID on Cyrix processor.\n");
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local_irq_save(flags);
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ccr3 = getCx86(CX86_CCR3);
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setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */
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ccr4 = getCx86(CX86_CCR4);
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setCx86(CX86_CCR4, ccr4 | 0x80); /* enable cpuid */
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setCx86(CX86_CCR3, ccr3); /* disable MAPEN */
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setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */
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setCx86(CX86_CCR4, getCx86(CX86_CCR4) | 0x80); /* enable cpuid */
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setCx86(CX86_CCR3, ccr3); /* disable MAPEN */
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local_irq_restore(flags);
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}
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}
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