1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Derived from IRIX <sys/SN/SN0/IP27.h>. 7 * 8 * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc. 9 * Copyright (C) 1999 by Ralf Baechle 10 */ 11 #ifndef _ASM_SN_SN0_IP27_H 12 #define _ASM_SN_SN0_IP27_H 13 14 #include <asm/mipsregs.h> 15 16 /* 17 * Simple definitions for the masks which remove SW bits from pte. 18 */ 19 20 #define TLBLO_HWBITSHIFT 0 /* Shift value, for masking */ 21 22 #ifndef __ASSEMBLY__ 23 24 #define CAUSE_BERRINTR IE_IRQ5 25 26 #define ECCF_CACHE_ERR 0 27 #define ECCF_TAGLO 1 28 #define ECCF_ECC 2 29 #define ECCF_ERROREPC 3 30 #define ECCF_PADDR 4 31 #define ECCF_SIZE (5 * sizeof(long)) 32 33 #endif /* !__ASSEMBLY__ */ 34 35 #ifdef __ASSEMBLY__ 36 37 /* 38 * KL_GET_CPUNUM (similar to EV_GET_SPNUM for EVEREST platform) reads 39 * the processor number of the calling processor. The proc parameters 40 * must be a register. 41 */ 42 #define KL_GET_CPUNUM(proc) \ 43 dli proc, LOCAL_HUB(0); \ 44 ld proc, PI_CPU_NUM(proc) 45 46 #endif /* __ASSEMBLY__ */ 47 48 /* 49 * R10000 status register interrupt bit mask usage for IP27. 50 */ 51 #define SRB_SWTIMO IE_SW0 /* 0x0100 */ 52 #define SRB_NET IE_SW1 /* 0x0200 */ 53 #define SRB_DEV0 IE_IRQ0 /* 0x0400 */ 54 #define SRB_DEV1 IE_IRQ1 /* 0x0800 */ 55 #define SRB_TIMOCLK IE_IRQ2 /* 0x1000 */ 56 #define SRB_PROFCLK IE_IRQ3 /* 0x2000 */ 57 #define SRB_ERR IE_IRQ4 /* 0x4000 */ 58 #define SRB_SCHEDCLK IE_IRQ5 /* 0x8000 */ 59 60 #define SR_IBIT_HI SRB_DEV0 61 #define SR_IBIT_PROF SRB_PROFCLK 62 63 #define SRB_SWTIMO_IDX 0 64 #define SRB_NET_IDX 1 65 #define SRB_DEV0_IDX 2 66 #define SRB_DEV1_IDX 3 67 #define SRB_TIMOCLK_IDX 4 68 #define SRB_PROFCLK_IDX 5 69 #define SRB_ERR_IDX 6 70 #define SRB_SCHEDCLK_IDX 7 71 72 #define NUM_CAUSE_INTRS 8 73 74 #define SCACHE_LINESIZE 128 75 #define SCACHE_LINEMASK (SCACHE_LINESIZE - 1) 76 77 #include <asm/sn/addrs.h> 78 79 #define LED_CYCLE_MASK 0x0f 80 #define LED_CYCLE_SHFT 4 81 82 #define SEND_NMI(_nasid, _slice) \ 83 REMOTE_HUB_S((_nasid), (PI_NMI_A + ((_slice) * PI_NMI_OFFSET)), 1) 84 85 /* Sanity hazzard ... Below all the Origin hacks are following. */ 86 87 #define CPU_RESCHED_A_IRQ 0 88 #define CPU_RESCHED_B_IRQ 1 89 #define CPU_CALL_A_IRQ 2 90 #define CPU_CALL_B_IRQ 3 91 #define BASE_PCI_IRQ 4 92 93 #define SN00_BRIDGE 0x9200000008000000 94 #define SN00I_BRIDGE0 0x920000000b000000 95 #define SN00I_BRIDGE1 0x920000000e000000 96 #define SN00I_BRIDGE2 0x920000000f000000 97 #endif /* _ASM_SN_SN0_IP27_H */ 98