2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
5 * ########################################################################
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.
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
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.
20 * ########################################################################
22 * Defines for the Malta interrupt controller.
25 #ifndef _MIPS_MALTAINT_H
26 #define _MIPS_MALTAINT_H
31 * Interrupts 0..15 are used for Malta ISA compatible interrupts
33 #define MALTA_INT_BASE 0
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
51 * Interrupts 64..127 are used for Soc-it Classic interrupts
53 #define MSC01C_INT_BASE 64
55 /* SOC-it Classic interrupt offsets */
56 #define MSC01C_INT_TMR 0
57 #define MSC01C_INT_PCI 1
60 * Interrupts 64..127 are used for Soc-it EIC interrupts
62 #define MSC01E_INT_BASE 64
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
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 */
89 #define GIC_EXT_INTR(x) x
94 /* External Interrupts used for IPI */
95 #define GIC_IPI_EXT_INTR_RESCHED_VPE0 16
96 #define GIC_IPI_EXT_INTR_CALLFNC_VPE0 17
97 #define GIC_IPI_EXT_INTR_RESCHED_VPE1 18
98 #define GIC_IPI_EXT_INTR_CALLFNC_VPE1 19
99 #define GIC_IPI_EXT_INTR_RESCHED_VPE2 20
100 #define GIC_IPI_EXT_INTR_CALLFNC_VPE2 21
101 #define GIC_IPI_EXT_INTR_RESCHED_VPE3 22
102 #define GIC_IPI_EXT_INTR_CALLFNC_VPE3 23
104 #define MIPS_GIC_IRQ_BASE (MIPS_CPU_IRQ_BASE + 8)
107 extern void maltaint_init(void);
110 #endif /* !(_MIPS_MALTAINT_H) */