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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1992 - 1997 Silicon Graphics, Inc. */ #ifndef __ASM_SN_INTR_H #define __ASM_SN_INTR_H /* Number of interrupt levels associated with each interrupt register. */ #define N_INTPEND_BITS 64 #define INT_PEND0_BASELVL 0 #define INT_PEND1_BASELVL 64 #define N_INTPENDJUNK_BITS 8 #define INTPENDJUNK_CLRBIT 0x80 /* * Macros to manipulate the interrupt register on the calling hub chip. */ #define LOCAL_HUB_SEND_INTR(level) \ LOCAL_HUB_S(PI_INT_PEND_MOD, (0x100 | (level))) #define REMOTE_HUB_SEND_INTR(hub, level) \ REMOTE_HUB_S((hub), PI_INT_PEND_MOD, (0x100 | (level))) /* * When clearing the interrupt, make sure this clear does make it * to the hub. Otherwise we could end up losing interrupts. * We do an uncached load of the int_pend0 register to ensure this. */ #define LOCAL_HUB_CLR_INTR(level) \ do { \ LOCAL_HUB_S(PI_INT_PEND_MOD, (level)); \ LOCAL_HUB_L(PI_INT_PEND0); \ } while (0); #define REMOTE_HUB_CLR_INTR(hub, level) \ do { \ nasid_t __hub = (hub); \ \ REMOTE_HUB_S(__hub, PI_INT_PEND_MOD, (level)); \ REMOTE_HUB_L(__hub, PI_INT_PEND0); \ } while (0); /* * Hard-coded interrupt levels: */ /* * L0 = SW1 * L1 = SW2 * L2 = INT_PEND0 * L3 = INT_PEND1 * L4 = RTC * L5 = Profiling Timer * L6 = Hub Errors * L7 = Count/Compare (T5 counters) */ /* * INT_PEND0 hard-coded bits. */ /* * INT_PEND0 bits determined by hardware: */ #define RESERVED_INTR 0 /* What is this bit? */ #define GFX_INTR_A 1 #define GFX_INTR_B 2 #define PG_MIG_INTR 3 #define UART_INTR 4 #define CC_PEND_A 5 #define CC_PEND_B 6 /* * INT_PEND0 used by the kernel for itself ... */ #define CPU_RESCHED_A_IRQ 7 #define CPU_RESCHED_B_IRQ 8 #define CPU_CALL_A_IRQ 9 #define CPU_CALL_B_IRQ 10 #define MSC_MESG_INTR 11 #define BASE_PCI_IRQ 12 /* * INT_PEND0 again, bits determined by hardware / hardcoded: */ #define SDISK_INTR 63 /* SABLE name */ #define IP_PEND0_6_63 63 /* What is this bit? */ /* * INT_PEND1 hard-coded bits: */ #define NI_BRDCAST_ERR_A 39 #define NI_BRDCAST_ERR_B 40 #define LLP_PFAIL_INTR_A 41 /* see ml/SN/SN0/sysctlr.c */ #define LLP_PFAIL_INTR_B 42 #define TLB_INTR_A 43 /* used for tlb flush random */ #define TLB_INTR_B 44 #define IP27_INTR_0 45 /* Reserved for PROM use */ #define IP27_INTR_1 46 /* do not use in Kernel */ #define IP27_INTR_2 47 #define IP27_INTR_3 48 #define IP27_INTR_4 49 #define IP27_INTR_5 50 #define IP27_INTR_6 51 #define IP27_INTR_7 52 #define BRIDGE_ERROR_INTR 53 /* Setup by PROM to catch */ /* Bridge Errors */ #define DEBUG_INTR_A 54 #define DEBUG_INTR_B 55 /* Used by symmon to stop all cpus */ #define IO_ERROR_INTR 57 /* Setup by PROM */ #define CLK_ERR_INTR 58 #define COR_ERR_INTR_A 59 #define COR_ERR_INTR_B 60 #define MD_COR_ERR_INTR 61 #define NI_ERROR_INTR 62 #define MSC_PANIC_INTR 63 #endif /* __ASM_SN_INTR_H */ |