diff options
| author | Robert Richter <robert.richter@amd.com> | 2008-01-30 13:30:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:30:40 +0100 |
| commit | 7b83dae7aa31db4f6d6e78c3c6d490a7ac58699c (patch) | |
| tree | 58196045602928d11c2688eda321738eab1dc8bc /arch/x86/kernel/apic_64.c | |
| parent | 739f33b38bf88312447e38ae8b7ac3acdbb72a6b (diff) | |
x86: extended interrupt LVT support for AMD Barcelona
Also macro definitions in apicdef.h has been updated.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/apic_64.c')
| -rw-r--r-- | arch/x86/kernel/apic_64.c | 26 |
1 files changed, 22 insertions, 4 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 */ |