#ifndef __ASM_APIC_H #define __ASM_APIC_H /* * Constants for various Intel APICs. (local APIC, IOAPIC, etc.) * * Alan Cox , 1995. */ #define APIC_PHYS_BASE 0xfee00000 /* IA s/w dev Vol 3, Section 7.4 */ #define APIC_ID 0x20 #define GET_APIC_ID(x) (((x)>>24)&0x0F) #define APIC_LVR 0x30 #define GET_APIC_VERSION(x) ((x)&0xFF) #define GET_APIC_MAXLVT(x) (((x)>>16)&0x0F) #define APIC_INTEGRATED(x) ((x)&0xF0) #define APIC_TASKPRI 0x80 #define APIC_TPRI_MASK 0xFF #define APIC_ARBPRI 0x90 #define APIC_ARBPRI_MASK 0xFF #define APIC_PROCPRI 0xA0 #define APIC_EOI 0xB0 #define APIC_EIO_ACK 0x0 /* Write this to the EOI register */ #define APIC_RRR 0xC0 #define APIC_LDR 0xD0 #define APIC_LDR_MASK (0xFF<<24) #define GET_APIC_LOGICAL_ID(x) (((x)>>24)&0xFF) #define SET_APIC_LOGICAL_ID(x) (((x)<<24)) #define APIC_ALL_CPUS 0xFF #define APIC_DFR 0xE0 #define GET_APIC_DFR(x) (((x)>>28)&0x0F) #define SET_APIC_DFR(x) ((x)<<28) #define APIC_SPIV 0xF0 #define APIC_ISR 0x100 #define APIC_TMR 0x180 #define APIC_IRR 0x200 #define APIC_ESR 0x280 #define APIC_ESR_SEND_CS 0x00001 #define APIC_ESR_RECV_CS 0x00002 #define APIC_ESR_SEND_ACC 0x00004 #define APIC_ESR_RECV_ACC 0x00008 #define APIC_ESR_SENDILL 0x00020 #define APIC_ESR_RECVILL 0x00040 #define APIC_ESR_ILLREGA 0x00080 #define APIC_ICR 0x300 #define APIC_DEST_SELF 0x40000 #define APIC_DEST_ALLINC 0x80000 #define APIC_DEST_ALLBUT 0xC0000 #define APIC_DEST_RR_MASK 0x30000 #define APIC_DEST_RR_INVALID 0x00000 #define APIC_DEST_RR_INPROG 0x10000 #define APIC_DEST_RR_VALID 0x20000 #define APIC_DEST_LEVELTRIG 0x08000 #define APIC_DEST_ASSERT 0x04000 #define APIC_DEST_BUSY 0x01000 #define APIC_DEST_LOGICAL 0x00800 #define APIC_DEST_DM_FIXED 0x00000 #define APIC_DEST_DM_LOWEST 0x00100 #define APIC_DEST_DM_SMI 0x00200 #define APIC_DEST_DM_REMRD 0x00300 #define APIC_DEST_DM_NMI 0x00400 #define APIC_DEST_DM_INIT 0x00500 #define APIC_DEST_DM_STARTUP 0x00600 #define APIC_DEST_VECTOR_MASK 0x000FF #define APIC_ICR2 0x310 #define GET_APIC_DEST_FIELD(x) (((x)>>24)&0xFF) #define SET_APIC_DEST_FIELD(x) ((x)<<24) #define APIC_LVTT 0x320 #define APIC_LVTPC 0x340 #define APIC_LVT0 0x350 #define APIC_LVT_TIMER_BASE_MASK (0x3<<18) #define GET_APIC_TIMER_BASE(x) (((x)>>18)&0x3) #define SET_APIC_TIMER_BASE(x) (((x)<<18)) #define APIC_TIMER_BASE_CLKIN 0x0 #define APIC_TIMER_BASE_TMBASE 0x1 #define APIC_TIMER_BASE_DIV 0x2 #define APIC_LVT_TIMER_PERIODIC (1<<17) #define APIC_LVT_MASKED (1<<16) #define APIC_LVT_LEVEL_TRIGGER (1<<15) #define APIC_LVT_REMOTE_IRR (1<<14) #define APIC_INPUT_POLARITY (1<<13) #define APIC_SEND_PENDING (1<<12) #define GET_APIC_DELIVERY_MODE(x) (((x)>>8)&0x7) #define SET_APIC_DELIVERY_MODE(x,y) (((x)&~0x700)|((y)<<8)) #define APIC_MODE_FIXED 0x0 #define APIC_MODE_NMI 0x4 #define APIC_MODE_EXINT 0x7 #define APIC_LVT1 0x360 #define APIC_LVTERR 0x370 #define APIC_TMICT 0x380 #define APIC_TMCCT 0x390 #define APIC_TDCR 0x3E0 #define APIC_TDR_DIV_TMBASE (1<<2) #define APIC_TDR_DIV_1 0xB #define APIC_TDR_DIV_2 0x0 #define APIC_TDR_DIV_4 0x1 #define APIC_TDR_DIV_8 0x2 #define APIC_TDR_DIV_16 0x3 #define APIC_TDR_DIV_32 0x8 #define APIC_TDR_DIV_64 0x9 #define APIC_TDR_DIV_128 0xA #define APIC_BASE (fix_to_virt(FIX_APIC_BASE)) #define MAX_IO_APICS 8 /* * the local APIC register structure, memory mapped. Not terribly well * tested, but we might eventually use this one in the future - the * problem why we cannot use it right now is the P5 APIC, it has an * errata which cannot take 8-bit reads and writes, only 32-bit ones ... */ #define u32 unsigned int #define lapic ((volatile struct local_apic *)APIC_BASE) struct local_apic { /*000*/ struct { u32 __reserved[4]; } __reserved_01; /*010*/ struct { u32 __reserved[4]; } __reserved_02; /*020*/ struct { /* APIC ID Register */ u32 __reserved_1 : 24, phys_apic_id : 4, __reserved_2 : 4; u32 __reserved[3]; } id; /*030*/ const struct { /* APIC Version Register */ u32 version : 8, __reserved_1 : 8, max_lvt : 8, __reserved_2 : 8; u32 __reserved[3]; } version; /*040*/ struct { u32 __reserved[4]; } __reserved_03; /*050*/ struct { u32 __reserved[4]; } __reserved_04; /*060*/ struct { u32 __reserved[4]; } __reserved_05; /*070*/ struct { u32 __reserved[4]; } __reserved_06; /*080*/ struct { /* Task Priority Register */ u32 priority : 8, __reserved_1 : 24; u32 __reserved_2[3]; } tpr; /*090*/ const struct { /* Arbitration Priority Register */ u32 priority : 8, __reserved_1 : 24; u32 __reserved_2[3]; } apr; /*0A0*/ const struct { /* Processor Priority Register */ u32 priority : 8, __reserved_1 : 24; u32 __reserved_2[3]; } ppr; /*0B0*/ struct { /* End Of Interrupt Register */ u32 eoi; u32 __reserved[3]; } eoi; /*0C0*/ struct { u32 __reserved[4]; } __reserved_07; /*0D0*/ struct { /* Logical Destination Register */ u32 __reserved_1 : 24, logical_dest : 8; u32 __reserved_2[3]; } ldr; /*0E0*/ struct { /* Destination Format Register */ u32 __reserved_1 : 28, model : 4; u32 __reserved_2[3]; } dfr; /*0F0*/ struct { /* Spurious Interrupt Vector Register */ u32 spurious_vector : 8, apic_enabled : 1, focus_cpu : 1, __reserved_2 : 22; u32 __reserved_3[3]; } svr; /*100*/ struct { /* In Service Register */ /*170*/ u32 bitfield; u32 __reserved[3]; } isr [8]; /*180*/ struct { /* Trigger Mode Register */ /*1F0*/ u32 bitfield; u32 __reserved[3]; } tmr [8]; /*200*/ struct { /* Interrupt Request Register */ /*270*/ u32 bitfield; u32 __reserved[3]; } irr [8]; /*280*/ union { /* Error Status Register */ struct { u32 send_cs_error : 1, receive_cs_error : 1, send_accept_error : 1, receive_accept_error : 1, __reserved_1 : 1, send_illegal_vector : 1, receive_illegal_vector : 1, illegal_register_address : 1, __reserved_2 : 24; u32 __reserved_3[3]; } error_bits; struct { u32 errors; u32 __reserved_3[3]; } all_errors; } esr; /*290*/ struct { u32 __reserved[4]; } __reserved_08; /*2A0*/ struct { u32 __reserved[4]; } __reserved_09; /*2B0*/ struct { u32 __reserved[4]; } __reserved_10; /*2C0*/ struct { u32 __reserved[4]; } __reserved_11; /*2D0*/ struct { u32 __reserved[4]; } __reserved_12; /*2E0*/ struct { u32 __reserved[4]; } __reserved_13; /*2F0*/ struct { u32 __reserved[4]; } __reserved_14; /*300*/ struct { /* Interrupt Command Register 1 */ u32 vector : 8, delivery_mode : 3, destination_mode : 1, delivery_status : 1, __reserved_1 : 1, level : 1, trigger : 1, __reserved_2 : 2, shorthand : 2, __reserved_3 : 12; u32 __reserved_4[3]; } icr1; /*310*/ struct { /* Interrupt Command Register 2 */ union { u32 __reserved_1 : 24, phys_dest : 4, __reserved_2 : 4; u32 __reserved_3 : 24, logical_dest : 8; } dest; u32 __reserved_4[3]; } icr2; /*320*/ struct { /* LVT - Timer */ u32 vector : 8, __reserved_1 : 4, delivery_status : 1, __reserved_2 : 3, mask : 1, timer_mode : 1, __reserved_3 : 14; u32 __reserved_4[3]; } lvt_timer; /*330*/ struct { u32 __reserved[4]; } __reserved_15; /*340*/ struct { /* LVT - Performance Counter */ u32 vector : 8, delivery_mode : 3, __reserved_1 : 1, delivery_status : 1, __reserved_2 : 3, mask : 1, __reserved_3 : 15; u32 __reserved_4[3]; } lvt_pc; /*350*/ struct { /* LVT - LINT0 */ u32 vector : 8, delivery_mode : 3, __reserved_1 : 1, delivery_status : 1, polarity : 1, remote_irr : 1, trigger : 1, mask : 1, __reserved_2 : 15; u32 __reserved_3[3]; } lvt_lint0; /*360*/ struct { /* LVT - LINT1 */ u32 vector : 8, delivery_mode : 3, __reserved_1 : 1, delivery_status : 1, polarity : 1, remote_irr : 1, trigger : 1, mask : 1, __reserved_2 : 15; u32 __reserved_3[3]; } lvt_lint1; /*370*/ struct { /* LVT - Error */ u32 vector : 8, __reserved_1 : 4, delivery_status : 1, __reserved_2 : 3, mask : 1, __reserved_3 : 15; u32 __reserved_4[3]; } lvt_error; /*380*/ struct { /* Timer Initial Count Register */ u32 initial_count; u32 __reserved_2[3]; } timer_icr; /*390*/ const struct { /* Timer Current Count Register */ u32 curr_count; u32 __reserved_2[3]; } timer_ccr; /*3A0*/ struct { u32 __reserved[4]; } __reserved_16; /*3B0*/ struct { u32 __reserved[4]; } __reserved_17; /*3C0*/ struct { u32 __reserved[4]; } __reserved_18; /*3D0*/ struct { u32 __reserved[4]; } __reserved_19; /*3E0*/ struct { /* Timer Divide Configuration Register */ u32 divisor : 4, __reserved_1 : 28; u32 __reserved_2[3]; } timer_dcr; /*3F0*/ struct { u32 __reserved[4]; } __reserved_20; } __attribute__ ((packed)); #undef u32 #endif