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| author | Thomas Gleixner <tglx@linutronix.de> | 2008-06-09 17:11:13 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-10 15:52:07 +0200 |
| commit | aa83f3f2cfc74d66d01b1d2eb1485ea1103a0f4e (patch) | |
| tree | 19887cba6f901b8e3a5d20080c5e74ef671fba4c | |
| parent | 6ddd2a27948f0bd02a2ad001e8a6816898eba0dc (diff) | |
| download | op-kernel-dev-aa83f3f2cfc74d66d01b1d2eb1485ea1103a0f4e.zip op-kernel-dev-aa83f3f2cfc74d66d01b1d2eb1485ea1103a0f4e.tar.gz | |
x86: cleanup C1E enabled detection
Rename the "MSR_K8_ENABLE_C1E" MSR to INT_PENDING_MSG, which is the
name in the data sheet as well. Move the C1E mask to the header file.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/amd_64.c | 5 | ||||
| -rw-r--r-- | include/asm-x86/msr-index.h | 4 |
3 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index a38d54f..30b5055 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -25,7 +25,6 @@ extern void vide(void); __asm__(".align 4\nvide: ret"); #ifdef CONFIG_X86_LOCAL_APIC -#define ENABLE_C1E_MASK 0x18000000 #define CPUID_PROCESSOR_SIGNATURE 1 #define CPUID_XFAM 0x0ff00000 #define CPUID_XFAM_K8 0x00000000 @@ -45,8 +44,8 @@ static __cpuinit int amd_apic_timer_broken(void) break; case CPUID_XFAM_10H: case CPUID_XFAM_11H: - rdmsr(MSR_K8_ENABLE_C1E, lo, hi); - if (lo & ENABLE_C1E_MASK) { + rdmsr(MSR_K8_INT_PENDING_MSG, lo, hi); + if (lo & K8_INTP_C1E_ACTIVE_MASK) { if (smp_processor_id() != boot_cpu_physical_apicid) printk(KERN_INFO "AMD C1E detected late. " " Force timer broadcast.\n"); diff --git a/arch/x86/kernel/cpu/amd_64.c b/arch/x86/kernel/cpu/amd_64.c index 626fc21..6eef3c7 100644 --- a/arch/x86/kernel/cpu/amd_64.c +++ b/arch/x86/kernel/cpu/amd_64.c @@ -110,7 +110,6 @@ static void __cpuinit early_init_amd_mc(struct cpuinfo_x86 *c) #endif } -#define ENABLE_C1E_MASK 0x18000000 #define CPUID_PROCESSOR_SIGNATURE 1 #define CPUID_XFAM 0x0ff00000 #define CPUID_XFAM_K8 0x00000000 @@ -130,8 +129,8 @@ static __cpuinit int amd_apic_timer_broken(void) break; case CPUID_XFAM_10H: case CPUID_XFAM_11H: - rdmsr(MSR_K8_ENABLE_C1E, lo, hi); - if (lo & ENABLE_C1E_MASK) + rdmsr(MSR_K8_INT_PENDING_MSG, lo, hi); + if (lo & K8_INTP_C1E_ACTIVE_MASK) return 1; break; default: diff --git a/include/asm-x86/msr-index.h b/include/asm-x86/msr-index.h index 09413ad..44bce77 100644 --- a/include/asm-x86/msr-index.h +++ b/include/asm-x86/msr-index.h @@ -111,7 +111,9 @@ #define MSR_K8_TOP_MEM2 0xc001001d #define MSR_K8_SYSCFG 0xc0010010 #define MSR_K8_HWCR 0xc0010015 -#define MSR_K8_ENABLE_C1E 0xc0010055 +#define MSR_K8_INT_PENDING_MSG 0xc0010055 +/* C1E active bits in int pending message */ +#define K8_INTP_C1E_ACTIVE_MASK 0x18000000 #define MSR_K8_TSEG_ADDR 0xc0010112 #define K8_MTRRFIXRANGE_DRAM_ENABLE 0x00040000 /* MtrrFixDramEn bit */ #define K8_MTRRFIXRANGE_DRAM_MODIFY 0x00080000 /* MtrrFixDramModEn bit */ |
