Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bcde1ebb81c51ebdfa02887703e4d21c1bbc2431
Commit: bcde1ebb81c51ebdfa02887703e4d21c1bbc2431
Parent: 86c418374223be3f328b5522545196db02c8ceda
Author: TAKADA Yoshihito <[EMAIL PROTECTED]>
AuthorDate: Tue Feb 13 13:26:25 2007 +0100
Committer: Andi Kleen <[EMAIL PROTECTED]>
CommitDate: Tue Feb 13 13:26:25 2007 +0100
[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 <[EMAIL PROTECTED]>
Acked-by: Alan Cox <[EMAIL PROTECTED]>
Cc: Andi Kleen <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Andi Kleen <[EMAIL PROTECTED]>
---
arch/i386/kernel/cpu/cyrix.c | 21 ++++++++++-----------
1 files changed, 10 insertions(+), 11 deletions(-)
diff --git a/arch/i386/kernel/cpu/cyrix.c b/arch/i386/kernel/cpu/cyrix.c
index 69b263f..408a74e 100644
--- a/arch/i386/kernel/cpu/cyrix.c
+++ b/arch/i386/kernel/cpu/cyrix.c
@@ -161,19 +161,19 @@ static void __cpuinit set_cx86_inc(void)
static void __cpuinit geode_configure(void)
{
unsigned long flags;
- u8 ccr3, ccr4;
+ u8 ccr3;
local_irq_save(flags);
/* Suspend on halt power saving and enable #SUSP pin */
setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88);
ccr3 = getCx86(CX86_CCR3);
- setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* Enable */
-
- ccr4 = getCx86(CX86_CCR4);
- ccr4 |= 0x38; /* FPU fast, DTE cache, Mem bypass */
+ setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */
- setCx86(CX86_CCR3, ccr3);
+
+ /* FPU fast, DTE cache, Mem bypass */
+ setCx86(CX86_CCR4, getCx86(CX86_CCR4) | 0x38);
+ setCx86(CX86_CCR3, ccr3); /* disable MAPEN */
set_cx86_memwb();
set_cx86_reorder();
@@ -420,15 +420,14 @@ static void __cpuinit cyrix_identify(struct cpuinfo_x86 *
c)
if (dir0 == 5 || dir0 == 3)
{
- unsigned char ccr3, ccr4;
+ unsigned char ccr3;
unsigned long flags;
printk(KERN_INFO "Enabling CPUID on Cyrix
processor.\n");
local_irq_save(flags);
ccr3 = getCx86(CX86_CCR3);
- setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable
MAPEN */
- ccr4 = getCx86(CX86_CCR4);
- setCx86(CX86_CCR4, ccr4 | 0x80); /* enable
cpuid */
- setCx86(CX86_CCR3, ccr3); /* disable
MAPEN */
+ setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /*
enable MAPEN */
+ setCx86(CX86_CCR4, getCx86(CX86_CCR4) | 0x80); /*
enable cpuid */
+ setCx86(CX86_CCR3, ccr3); /*
disable MAPEN */
local_irq_restore(flags);
}
}
-
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