1 /* $OpenBSD: bonito_irq.h,v 1.2 2010/05/08 21:59:56 miod Exp $ */ 2 3 /* 4 * Copyright (c) 2009, 2010 Miodrag Vallat. 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /* 20 * Bonito interrupt assignments 21 */ 22 23 /* 24 * Loongson 2F assignments 25 */ 26 27 #define LOONGSON_INTR_GPIO0 0 28 #define LOONGSON_INTR_GPIO1 1 29 #define LOONGSON_INTR_GPIO2 2 30 #define LOONGSON_INTR_GPIO3 3 31 32 /* pci interrupts */ 33 #define LOONGSON_INTR_PCIA 4 34 #define LOONGSON_INTR_PCIB 5 35 #define LOONGSON_INTR_PCIC 6 36 #define LOONGSON_INTR_PCID 7 37 38 #define LOONGSON_INTR_PCI_PARERR 8 39 #define LOONGSON_INTR_PCI_SYSERR 9 40 #define LOONGSON_INTR_DRAM_PARERR 10 41 42 /* non-PCI interrupts */ 43 #define LOONGSON_INTR_INT0 11 44 #define LOONGSON_INTR_INT1 12 45 #define LOONGSON_INTR_INT2 13 46 #define LOONGSON_INTR_INT3 14 47 48 #define LOONGSON_INTRMASK_GPIO0 0x00000001 /* can't interrupt */ 49 #define LOONGSON_INTRMASK_GPIO1 0x00000002 50 #define LOONGSON_INTRMASK_GPIO2 0x00000004 51 #define LOONGSON_INTRMASK_GPIO3 0x00000008 52 53 #define LOONGSON_INTRMASK_GPIO 0x0000000f 54 55 /* pci interrupts */ 56 #define LOONGSON_INTRMASK_PCIA 0x00000010 57 #define LOONGSON_INTRMASK_PCIB 0x00000020 58 #define LOONGSON_INTRMASK_PCIC 0x00000040 59 #define LOONGSON_INTRMASK_PCID 0x00000080 60 61 #define LOONGSON_INTRMASK_PCI_PARERR 0x00000100 62 #define LOONGSON_INTRMASK_PCI_SYSERR 0x00000200 63 #define LOONGSON_INTRMASK_DRAM_PARERR 0x00000400 64 65 /* non-PCI interrupts */ 66 #define LOONGSON_INTRMASK_INT0 0x00000800 67 #define LOONGSON_INTRMASK_INT1 0x00001000 68 #define LOONGSON_INTRMASK_INT2 0x00002000 69 #define LOONGSON_INTRMASK_INT3 0x00004000 70 71 #define LOONGSON_INTRMASK_LVL0 0x00007800 /* not maskable in bonito */ 72 #define LOONGSON_INTRMASK_LVL4 0x000007ff 73 74 /* 75 * Loongson 2E (Bonito64) assignments 76 */ 77 78 #define BONITO_INTRMASK_MBOX 0x0000000f 79 #define BONITO_INTR_MBOX 0 80 #define BONITO_INTRMASK_DMARDY 0x00000010 81 #define BONITO_INTRMASK_DMAEMPTY 0x00000020 82 #define BONITO_INTRMASK_COPYRDY 0x00000040 83 #define BONITO_INTRMASK_COPYEMPTY 0x00000080 84 #define BONITO_INTRMASK_COPYERR 0x00000100 85 #define BONITO_INTRMASK_PCIIRQ 0x00000200 86 #define BONITO_INTRMASK_MASTERERR 0x00000400 87 #define BONITO_INTRMASK_SYSTEMERR 0x00000800 88 #define BONITO_INTRMASK_DRAMPERR 0x00001000 89 #define BONITO_INTRMASK_RETRYERR 0x00002000 90 #define BONITO_INTRMASK_GPIO 0x01ff0000 91 #define BONITO_INTR_GPIO 16 92 #define BONITO_INTRMASK_GPIN 0x7e000000 93 #define BONITO_INTR_GPIN 25 94 95 /* 96 * Bonito interrupt handling recipes: 97 * - we have up to 32 interrupts at the Bonito level. 98 * - systems with ISA devices also have 16 (well, 15) ISA interrupts with the 99 * usual 8259 pair. Bonito and ISA interrupts happen on two different levels. 100 * 101 * These arbitrary values may be changed as long as interrupt mask variables 102 * use large enough integer types and always use the following macros to 103 * handle interrupt masks. 104 */ 105 106 #define INTPRI_BONITO (INTPRI_CLOCK + 1) 107 #define INTPRI_ISA (INTPRI_BONITO + 1) 108 109 #define BONITO_NDIRECT 32 110 #define BONITO_NISA 16 111 #define BONITO_NINTS (BONITO_NDIRECT + BONITO_NISA) 112 #define BONITO_ISA_IRQ(i) ((i) + BONITO_NDIRECT) 113 #define BONITO_DIRECT_IRQ(i) (i) 114 #define BONITO_IRQ_IS_ISA(i) ((i) >= BONITO_NDIRECT) 115 #define BONITO_IRQ_TO_ISA(i) ((i) - BONITO_NDIRECT) 116 117 #define BONITO_DIRECT_MASK(imask) ((imask) & ((1L << BONITO_NDIRECT) - 1)) 118 #define BONITO_ISA_MASK(imask) ((imask) >> BONITO_NDIRECT) 119 120 extern struct intrhand *bonito_intrhand[BONITO_NINTS]; 121 extern uint64_t bonito_intem; 122 extern uint64_t bonito_imask[NIPLS]; 123