1/* 2 * Carsten Langgaard, carstenl@mips.com 3 * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. 4 * 5 * ######################################################################## 6 * 7 * This program is free software; you can distribute it and/or modify it 8 * under the terms of the GNU General Public License (Version 2) as 9 * published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * for more details. 15 * 16 * You should have received a copy of the GNU General Public License along 17 * with this program; if not, write to the Free Software Foundation, Inc., 18 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. 19 * 20 * ######################################################################## 21 * 22 * Defines for the Malta interrupt controller. 23 * 24 */ 25#ifndef _MIPS_MALTAINT_H 26#define _MIPS_MALTAINT_H 27 28#include <irq.h> 29 30/* 31 * Interrupts 0..15 are used for Malta ISA compatible interrupts 32 */ 33#define MALTA_INT_BASE 0 34 35/* CPU interrupt offsets */ 36#define MIPSCPU_INT_SW0 0 37#define MIPSCPU_INT_SW1 1 38#define MIPSCPU_INT_MB0 2 39#define MIPSCPU_INT_I8259A MIPSCPU_INT_MB0 40#define MIPSCPU_INT_MB1 3 41#define MIPSCPU_INT_SMI MIPSCPU_INT_MB1 42#define MIPSCPU_INT_IPI0 MIPSCPU_INT_MB1 /* GIC IPI */ 43#define MIPSCPU_INT_MB2 4 44#define MIPSCPU_INT_IPI1 MIPSCPU_INT_MB2 /* GIC IPI */ 45#define MIPSCPU_INT_MB3 5 46#define MIPSCPU_INT_COREHI MIPSCPU_INT_MB3 47#define MIPSCPU_INT_MB4 6 48#define MIPSCPU_INT_CORELO MIPSCPU_INT_MB4 49 50/* 51 * Interrupts 64..127 are used for Soc-it Classic interrupts 52 */ 53#define MSC01C_INT_BASE 64 54 55/* SOC-it Classic interrupt offsets */ 56#define MSC01C_INT_TMR 0 57#define MSC01C_INT_PCI 1 58 59/* 60 * Interrupts 64..127 are used for Soc-it EIC interrupts 61 */ 62#define MSC01E_INT_BASE 64 63 64/* SOC-it EIC interrupt offsets */ 65#define MSC01E_INT_SW0 1 66#define MSC01E_INT_SW1 2 67#define MSC01E_INT_MB0 3 68#define MSC01E_INT_I8259A MSC01E_INT_MB0 69#define MSC01E_INT_MB1 4 70#define MSC01E_INT_SMI MSC01E_INT_MB1 71#define MSC01E_INT_MB2 5 72#define MSC01E_INT_MB3 6 73#define MSC01E_INT_COREHI MSC01E_INT_MB3 74#define MSC01E_INT_MB4 7 75#define MSC01E_INT_CORELO MSC01E_INT_MB4 76#define MSC01E_INT_TMR 8 77#define MSC01E_INT_PCI 9 78#define MSC01E_INT_PERFCTR 10 79#define MSC01E_INT_CPUCTR 11 80 81/* GIC's Nomenclature for Core Interrupt Pins on the Malta */ 82#define GIC_CPU_INT0 0 /* Core Interrupt 2 */ 83#define GIC_CPU_INT1 1 /* . */ 84#define GIC_CPU_INT2 2 /* . */ 85#define GIC_CPU_INT3 3 /* . */ 86#define GIC_CPU_INT4 4 /* . */ 87#define GIC_CPU_INT5 5 /* Core Interrupt 5 */ 88 89/* MALTA GIC local interrupts */ 90#define GIC_INT_TMR (GIC_CPU_INT5) 91#define GIC_INT_PERFCTR (GIC_CPU_INT5) 92 93/* GIC constants */ 94/* Add 2 to convert non-eic hw int # to eic vector # */ 95#define GIC_CPU_TO_VEC_OFFSET (2) 96/* If we map an intr to pin X, GIC will actually generate vector X+1 */ 97#define GIC_PIN_TO_VEC_OFFSET (1) 98 99#define GIC_EXT_INTR(x) x 100 101/* External Interrupts used for IPI */ 102#define GIC_IPI_EXT_INTR_RESCHED_VPE0 16 103#define GIC_IPI_EXT_INTR_CALLFNC_VPE0 17 104#define GIC_IPI_EXT_INTR_RESCHED_VPE1 18 105#define GIC_IPI_EXT_INTR_CALLFNC_VPE1 19 106#define GIC_IPI_EXT_INTR_RESCHED_VPE2 20 107#define GIC_IPI_EXT_INTR_CALLFNC_VPE2 21 108#define GIC_IPI_EXT_INTR_RESCHED_VPE3 22 109#define GIC_IPI_EXT_INTR_CALLFNC_VPE3 23 110 111#define MIPS_GIC_IRQ_BASE (MIPS_CPU_IRQ_BASE + 8) 112 113#ifndef __ASSEMBLY__ 114extern void maltaint_init(void); 115#endif 116 117#endif /* !(_MIPS_MALTAINT_H) */ 118