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/*

 * 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.

 *

 * Derived from IRIX <sys/SN/SN0/IP27.h>.

 *

 * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc.

 * Copyright (C) 1999 by Ralf Baechle

 */

#ifndef _ASM_SN_SN0_IP27_H

#define _ASM_SN_SN0_IP27_H

#include <asm/mipsregs.h>

/*

 * Simple definitions for the masks which remove SW bits from pte.

 */

#define TLBLO_HWBITSHIFT        0                /* Shift value, for masking */

#ifndef __ASSEMBLY__

#define CAUSE_BERRINTR          IE_IRQ5

#define ECCF_CACHE_ERR  0

#define ECCF_TAGLO      1

#define ECCF_ECC        2

#define ECCF_ERROREPC   3

#define ECCF_PADDR      4

#define ECCF_SIZE       (5 * sizeof(long))

#endif /* !__ASSEMBLY__ */

#ifdef __ASSEMBLY__

/*

 * KL_GET_CPUNUM (similar to EV_GET_SPNUM for EVEREST platform) reads

 * the processor number of the calling processor.  The proc parameters

 * must be a register.

 */

#define KL_GET_CPUNUM(proc)                             \

        dli     proc, LOCAL_HUB(0);                      \

        ld      proc, PI_CPU_NUM(proc)

#endif /* __ASSEMBLY__ */

/*

 * R10000 status register interrupt bit mask usage for IP27.

 */

#define SRB_SWTIMO      IE_SW0          /* 0x0100 */

#define SRB_NET         IE_SW1          /* 0x0200 */

#define SRB_DEV0        IE_IRQ0         /* 0x0400 */

#define SRB_DEV1        IE_IRQ1         /* 0x0800 */

#define SRB_TIMOCLK     IE_IRQ2         /* 0x1000 */

#define SRB_PROFCLK     IE_IRQ3         /* 0x2000 */

#define SRB_ERR         IE_IRQ4         /* 0x4000 */

#define SRB_SCHEDCLK    IE_IRQ5         /* 0x8000 */

#define SR_IBIT_HI      SRB_DEV0

#define SR_IBIT_PROF    SRB_PROFCLK

#define SRB_SWTIMO_IDX          0

#define SRB_NET_IDX             1

#define SRB_DEV0_IDX            2

#define SRB_DEV1_IDX            3

#define SRB_TIMOCLK_IDX         4

#define SRB_PROFCLK_IDX         5

#define SRB_ERR_IDX             6

#define SRB_SCHEDCLK_IDX        7

#define NUM_CAUSE_INTRS         8

#define SCACHE_LINESIZE 128

#define SCACHE_LINEMASK (SCACHE_LINESIZE - 1)

#include <asm/sn/addrs.h>

#define LED_CYCLE_MASK  0x0f

#define LED_CYCLE_SHFT  4

#define SEND_NMI(_nasid, _slice)        \

          REMOTE_HUB_S((_nasid),  (PI_NMI_A + ((_slice) * PI_NMI_OFFSET)), 1)

/* Sanity hazzard ...  Below all the Origin hacks are following.  */

#define CPU_RESCHED_A_IRQ       0

#define CPU_RESCHED_B_IRQ       1

#define CPU_CALL_A_IRQ          2

#define CPU_CALL_B_IRQ          3

#define BASE_PCI_IRQ            4

#define SN00_BRIDGE             0x9200000008000000

#define SN00I_BRIDGE0           0x920000000b000000

#define SN00I_BRIDGE1           0x920000000e000000

#define SN00I_BRIDGE2           0x920000000f000000

#endif /* _ASM_SN_SN0_IP27_H */