root/include/asm-x86/vic.h

INCLUDED FROM

/* Copyright (C) 1999,2001
 *
 * Author: J.E.J.Bottomley@HansenPartnership.com
 *
 * Standard include definitions for the NCR Voyager Interrupt Controller */

/* The eight CPI vectors.  To activate a CPI, you write a bit mask
 * corresponding to the processor set to be interrupted into the
 * relevant register.  That set of CPUs will then be interrupted with
 * the CPI */
static const int VIC_CPI_Registers[] =
        {0xFC00, 0xFC01, 0xFC08, 0xFC09,
         0xFC10, 0xFC11, 0xFC18, 0xFC19 };

#define VIC_PROC_WHO_AM_I               0xfc29
#       define  QUAD_IDENTIFIER         0xC0
#       define  EIGHT_SLOT_IDENTIFIER   0xE0
#define QIC_EXTENDED_PROCESSOR_SELECT   0xFC72
#define VIC_CPI_BASE_REGISTER           0xFC41
#define VIC_PROCESSOR_ID                0xFC21
#       define VIC_CPU_MASQUERADE_ENABLE 0x8

#define VIC_CLAIM_REGISTER_0            0xFC38
#define VIC_CLAIM_REGISTER_1            0xFC39
#define VIC_REDIRECT_REGISTER_0         0xFC60
#define VIC_REDIRECT_REGISTER_1         0xFC61
#define VIC_PRIORITY_REGISTER           0xFC20

#define VIC_PRIMARY_MC_BASE             0xFC48
#define VIC_SECONDARY_MC_BASE           0xFC49

#define QIC_PROCESSOR_ID                0xFC71
#       define  QIC_CPUID_ENABLE        0x08

#define QIC_VIC_CPI_BASE_REGISTER       0xFC79
#define QIC_CPI_BASE_REGISTER           0xFC7A

#define QIC_MASK_REGISTER0              0xFC80
/* NOTE: these are masked high, enabled low */
#       define QIC_PERF_TIMER           0x01
#       define QIC_LPE                  0x02
#       define QIC_SYS_INT              0x04
#       define QIC_CMN_INT              0x08
/* at the moment, just enable CMN_INT, disable SYS_INT */
#       define QIC_DEFAULT_MASK0        (~(QIC_CMN_INT /* | VIC_SYS_INT */))
#define QIC_MASK_REGISTER1              0xFC81
#       define QIC_BOOT_CPI_MASK        0xFE
/* Enable CPI's 1-6 inclusive */
#       define QIC_CPI_ENABLE           0x81

#define QIC_INTERRUPT_CLEAR0            0xFC8A
#define QIC_INTERRUPT_CLEAR1            0xFC8B

/* this is where we place the CPI vectors */
#define VIC_DEFAULT_CPI_BASE            0xC0
/* this is where we place the QIC CPI vectors */
#define QIC_DEFAULT_CPI_BASE            0xD0

#define VIC_BOOT_INTERRUPT_MASK         0xfe

extern void smp_vic_timer_interrupt(void);