diff options
| -rw-r--r-- | arch/x86/kernel/apic_64.c | 26 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce_amd_64.c | 10 | ||||
| -rw-r--r-- | include/asm-x86/apic.h | 4 | ||||
| -rw-r--r-- | include/asm-x86/apicdef.h | 19 |
4 files changed, 41 insertions, 18 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index d341f798255c..027004262105 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -187,17 +187,35 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) } /* - * Setup extended LVT (K8 specific) + * Setup extended LVT, AMD specific (K8, family 10h) + * + * Vector mappings are hard coded. On K8 only offset 0 (APIC500) and + * MCE interrupts are supported. Thus MCE offset must be set to 0. */ -void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector, - unsigned char msg_type, unsigned char mask) + +#define APIC_EILVT_LVTOFF_MCE 0 +#define APIC_EILVT_LVTOFF_IBS 1 + +static void setup_APIC_eilvt(u8 lvt_off, u8 vector, u8 msg_type, u8 mask) { - unsigned long reg = (lvt_off << 4) + K8_APIC_EXT_LVT_BASE; + unsigned long reg = (lvt_off << 4) + APIC_EILVT0; unsigned int v = (mask << 16) | (msg_type << 8) | vector; apic_write(reg, v); } +u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask) +{ + setup_APIC_eilvt(APIC_EILVT_LVTOFF_MCE, vector, msg_type, mask); + return APIC_EILVT_LVTOFF_MCE; +} + +u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask) +{ + setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask); + return APIC_EILVT_LVTOFF_IBS; +} + /* * Program the next event, relative to now */ diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd_64.c b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c index 073afa7dd89a..550502596ca3 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_amd_64.c +++ b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c @@ -118,6 +118,7 @@ void __cpuinit mce_amd_feature_init(struct cpuinfo_x86 *c) { unsigned int bank, block; unsigned int cpu = smp_processor_id(); + u8 lvt_off; u32 low = 0, high = 0, address = 0; for (bank = 0; bank < NR_BANKS; ++bank) { @@ -153,14 +154,13 @@ void __cpuinit mce_amd_feature_init(struct cpuinfo_x86 *c) if (shared_bank[bank] && c->cpu_core_id) break; #endif + lvt_off = setup_APIC_eilvt_mce(THRESHOLD_APIC_VECTOR, + APIC_EILVT_MSG_FIX, 0); + high &= ~MASK_LVTOFF_HI; - high |= K8_APIC_EXT_LVT_ENTRY_THRESHOLD << 20; + high |= lvt_off << 20; wrmsr(address, low, high); - setup_APIC_extended_lvt(K8_APIC_EXT_LVT_ENTRY_THRESHOLD, - THRESHOLD_APIC_VECTOR, - K8_APIC_EXT_INT_MSG_FIX, 0); - threshold_defaults.address = address; threshold_restart_bank(&threshold_defaults, 0, 0); } diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index 5e8192d36e5a..423022759cb2 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -126,8 +126,8 @@ extern void enable_NMI_through_LVT0(void *dummy); extern void setup_apic_routing(void); #endif -extern void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector, - unsigned char msg_type, unsigned char mask); +extern u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask); +extern u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask); extern int apic_is_clustered_box(void); diff --git a/include/asm-x86/apicdef.h b/include/asm-x86/apicdef.h index 5f7abe9b5f87..550af7a6f88e 100644 --- a/include/asm-x86/apicdef.h +++ b/include/asm-x86/apicdef.h @@ -116,13 +116,18 @@ #define APIC_TDR_DIV_32 0x8 #define APIC_TDR_DIV_64 0x9 #define APIC_TDR_DIV_128 0xA - -#define K8_APIC_EXT_LVT_BASE 0x500 -#define K8_APIC_EXT_INT_MSG_FIX 0x0 -#define K8_APIC_EXT_INT_MSG_SMI 0x2 -#define K8_APIC_EXT_INT_MSG_NMI 0x4 -#define K8_APIC_EXT_INT_MSG_EXT 0x7 -#define K8_APIC_EXT_LVT_ENTRY_THRESHOLD 0 +#define APIC_EILVT0 0x500 +#define APIC_EILVT_NR_AMD_K8 1 /* Number of extended interrupts */ +#define APIC_EILVT_NR_AMD_10H 4 +#define APIC_EILVT_LVTOFF(x) (((x)>>4)&0xF) +#define APIC_EILVT_MSG_FIX 0x0 +#define APIC_EILVT_MSG_SMI 0x2 +#define APIC_EILVT_MSG_NMI 0x4 +#define APIC_EILVT_MSG_EXT 0x7 +#define APIC_EILVT_MASKED (1<<16) +#define APIC_EILVT1 0x510 +#define APIC_EILVT2 0x520 +#define APIC_EILVT3 0x530 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE)) |