diff options
Diffstat (limited to 'include/asm-i386/mach-visws/mach_apic.h')
-rw-r--r-- | include/asm-i386/mach-visws/mach_apic.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/asm-i386/mach-visws/mach_apic.h b/include/asm-i386/mach-visws/mach_apic.h new file mode 100644 index 00000000000..4e6cdfb8b09 --- /dev/null +++ b/include/asm-i386/mach-visws/mach_apic.h @@ -0,0 +1,100 @@ +#ifndef __ASM_MACH_APIC_H +#define __ASM_MACH_APIC_H + +#include <mach_apicdef.h> +#include <asm/smp.h> + +#define APIC_DFR_VALUE (APIC_DFR_FLAT) + +#define no_balance_irq (0) +#define esr_disable (0) + +#define NO_IOAPIC_CHECK (0) + +#define INT_DELIVERY_MODE dest_LowestPrio +#define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ + +#ifdef CONFIG_SMP + #define TARGET_CPUS cpu_online_map +#else + #define TARGET_CPUS cpumask_of_cpu(0) +#endif + +#define check_apicid_used(bitmap, apicid) physid_isset(apicid, bitmap) +#define check_apicid_present(bit) physid_isset(bit, phys_cpu_present_map) + +static inline int apic_id_registered(void) +{ + return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map); +} + +/* + * Set up the logical destination ID. + * + * Intel recommends to set DFR, LDR and TPR before enabling + * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel + * document number 292116). So here it goes... + */ +static inline void init_apic_ldr(void) +{ + unsigned long val; + + apic_write_around(APIC_DFR, APIC_DFR_VALUE); + val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; + val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id()); + apic_write_around(APIC_LDR, val); +} + +static inline void summit_check(char *oem, char *productid) +{ +} + +static inline void clustered_apic_check(void) +{ +} + +/* Mapping from cpu number to logical apicid */ +static inline int cpu_to_logical_apicid(int cpu) +{ + return 1 << cpu; +} + +static inline int cpu_present_to_apicid(int mps_cpu) +{ + if (mps_cpu < get_physical_broadcast()) + return mps_cpu; + else + return BAD_APICID; +} + +static inline physid_mask_t apicid_to_cpu_present(int apicid) +{ + return physid_mask_of_physid(apicid); +} + +#define WAKE_SECONDARY_VIA_INIT + +static inline void setup_portio_remap(void) +{ +} + +static inline void enable_apic_mode(void) +{ +} + +static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) +{ + return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map); +} + +static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) +{ + return cpus_addr(cpumask)[0]; +} + +static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) +{ + return cpuid_apic >> index_msb; +} + +#endif /* __ASM_MACH_APIC_H */ |