/*
 * 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, 1999 Silicon Graphics, Inc.
 * Copyright (C) 1999 by Ralf Baechle
 */
#ifndef _ASM_SN_SN0_HUB_H
#define _ASM_SN_SN0_HUB_H

/* The secret password; used to release protection */
#define HUB_PASSWORD            0x53474972756c6573ull

#define CHIPID_HUB              0
#define CHIPID_ROUTER           1

#define HUB_REV_1_0             1
#define HUB_REV_2_0             2
#define HUB_REV_2_1             3
#define HUB_REV_2_2             4
#define HUB_REV_2_3             5
#define HUB_REV_2_4             6

#define MAX_HUB_PATH            80

#include <asm/sn/sn0/addrs.h>
#include <asm/sn/sn0/hubpi.h>
#include <asm/sn/sn0/hubmd.h>
#include <asm/sn/sn0/hubio.h>
#include <asm/sn/sn0/hubni.h>
//#include <asm/sn/sn0/hubcore.h>

/* Translation of uncached attributes */
#define UATTR_HSPEC     0
#define UATTR_IO        1
#define UATTR_MSPEC     2
#define UATTR_UNCAC     3

#ifdef __ASSEMBLER__
/*
 * Returns the local nasid into res.
 */
        .macro GET_NASID_ASM res
        dli     \res, LOCAL_HUB_ADDR(NI_STATUS_REV_ID)
        ld      \res, (\res)
        and     \res, NSRI_NODEID_MASK
        dsrl    \res, NSRI_NODEID_SHFT
        .endm
#else

/*
 * get_nasid() returns the physical node id number of the caller.
 */
static inline nasid_t get_nasid(void)
{
        return (nasid_t)((LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_NODEID_MASK)
                         >> NSRI_NODEID_SHFT);
}
#endif

#endif /* _ASM_SN_SN0_HUB_H */