/*
* 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, 2006 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)

#endif /* _ASM_SN_SN0_IP27_H */