hubxb.h

上传linux-jx2410的源代码

/* $Id: hubxb.h,v 1.1.1.1 2004/02/04 12:57:43 laputa Exp $
 *
 * 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, 2000 Silicon Graphics, Inc.
 * Copyright (C) 2000 by Colin Ngam
 */
#ifndef _ASM_SN_SN1_HUBXB_H
#define _ASM_SN_SN1_HUBXB_H

/************************************************************************
 *                                                                      *
 *      WARNING!!!  WARNING!!!  WARNING!!!  WARNING!!!  WARNING!!!      *
 *                                                                      *
 * This file is created by an automated script. Any (minimal) changes   *
 * made manually to this  file should be made with care.                *
 *                                                                      *
 *               MAKE ALL ADDITIONS TO THE END OF THIS FILE             *
 *                                                                      *
 ************************************************************************/


#define    XB_PARMS                  0x00700000    /*
                                                    * Controls
                                                    * crossbar-wide
                                                    * parameters.
                                                    */



#define    XB_SLOW_GNT               0x00700008    /*
                                                    * Controls wavefront
                                                    * arbiter grant
                                                    * frequency, used to
                                                    * slow XB grants
                                                    */



#define    XB_SPEW_CONTROL           0x00700010    /*
                                                    * Controls spew
                                                    * settings (debug
                                                    * only).
                                                    */



#define    XB_IOQ_ARB_TRIGGER        0x00700018    /*
                                                    * Controls IOQ
                                                    * trigger level
                                                    */



#define    XB_FIRST_ERROR            0x00700090    /*
                                                    * Records the first
                                                    * crossbar error
                                                    * seen.
                                                    */



#define    XB_POQ0_ERROR             0x00700020    /*
                                                    * POQ0 error
                                                    * register.
                                                    */



#define    XB_PIQ0_ERROR             0x00700028    /*
                                                    * PIQ0 error
                                                    * register.
                                                    */



#define    XB_POQ1_ERROR             0x00700030    /*
                                                    * POQ1 error
                                                    * register.
                                                    */



#define    XB_PIQ1_ERROR             0x00700038    /*
                                                    * PIQ1 error
                                                    * register.
                                                    */



#define    XB_MP0_ERROR              0x00700040    /*
                                                    * MOQ for PI0 error
                                                    * register.
                                                    */



#define    XB_MP1_ERROR              0x00700048    /*
                                                    * MOQ for PI1 error
                                                    * register.
                                                    */



#define    XB_MMQ_ERROR              0x00700050    /*
                                                    * MOQ for misc. (LB,
                                                    * NI, II) error
                                                    * register.
                                                    */



#define    XB_MIQ_ERROR              0x00700058    /*
                                                    * MIQ error register,
                                                    * addtional MIQ
                                                    * errors are logged
                                                    * in MD "Input
                                                    * Error
                                                    * Registers".
                                                    */



#define    XB_NOQ_ERROR              0x00700060    /* NOQ error register.    */



#define    XB_NIQ_ERROR              0x00700068    /* NIQ error register.    */



#define    XB_IOQ_ERROR              0x00700070    /* IOQ error register.    */



#define    XB_IIQ_ERROR              0x00700078    /* IIQ error register.    */



#define    XB_LOQ_ERROR              0x00700080    /* LOQ error register.    */



#define    XB_LIQ_ERROR              0x00700088    /* LIQ error register.    */



#define    XB_DEBUG_DATA_CTL         0x00700098    /*
                                                    * Debug Datapath
                                                    * Select
                                                    */



#define    XB_DEBUG_ARB_CTL          0x007000A0    /*
                                                    * XB master debug
                                                    * control
                                                    */



#define    XB_POQ0_ERROR_CLEAR       0x00700120    /*
                                                    * Clears
                                                    * XB_POQ0_ERROR
                                                    * register.
                                                    */



#define    XB_PIQ0_ERROR_CLEAR       0x00700128    /*
                                                    * Clears
                                                    * XB_PIQ0_ERROR
                                                    * register.
                                                    */



#define    XB_POQ1_ERROR_CLEAR       0x00700130    /*
                                                    * Clears
                                                    * XB_POQ1_ERROR
                                                    * register.
                                                    */



#define    XB_PIQ1_ERROR_CLEAR       0x00700138    /*
                                                    * Clears
                                                    * XB_PIQ1_ERROR
                                                    * register.
                                                    */



#define    XB_MP0_ERROR_CLEAR        0x00700140    /*
                                                    * Clears XB_MP0_ERROR
                                                    * register.
                                                    */



#define    XB_MP1_ERROR_CLEAR        0x00700148    /*
                                                    * Clears XB_MP1_ERROR
                                                    * register.
                                                    */



#define    XB_MMQ_ERROR_CLEAR        0x00700150    /*
                                                    * Clears XB_MMQ_ERROR
                                                    * register.
                                                    */



#define    XB_XM_MIQ_ERROR_CLEAR     0x00700158    /*
                                                    * Clears XB_MIQ_ERROR
                                                    * register
                                                    */



#define    XB_NOQ_ERROR_CLEAR        0x00700160    /*
                                                    * Clears XB_NOQ_ERROR
                                                    * register.
                                                    */



#define    XB_NIQ_ERROR_CLEAR        0x00700168    /*
                                                    * Clears XB_NIQ_ERROR
                                                    * register.
                                                    */



#define    XB_IOQ_ERROR_CLEAR        0x00700170    /*
                                                    * Clears XB_IOQ
                                                    * _ERROR register.
                                                    */



#define    XB_IIQ_ERROR_CLEAR        0x00700178    /*
                                                    * Clears XB_IIQ
                                                    * _ERROR register.
                                                    */



#define    XB_LOQ_ERROR_CLEAR        0x00700180    /*
                                                    * Clears XB_LOQ_ERROR
                                                    * register.
                                                    */



#define    XB_LIQ_ERROR_CLEAR        0x00700188    /*
                                                    * Clears XB_LIQ_ERROR
                                                    * register.
                                                    */



#define    XB_FIRST_ERROR_CLEAR      0x00700190    /*
                                                    * Clears
                                                    * XB_FIRST_ERROR
                                                    * register
                                                    */





#ifdef _LANGUAGE_C

/************************************************************************
 *                                                                      *
 *  Access to parameters which control various aspects of the           *
 * crossbar's operation.                                                *
 *                                                                      *
 ************************************************************************/




#ifdef LITTLE_ENDIAN

typedef union xb_parms_u {
	bdrkreg_t	xb_parms_regval;
	struct  {
		bdrkreg_t	p_byp_en                  :	 1;
                bdrkreg_t       p_rsrvd_1                 :      3;
                bdrkreg_t       p_age_wrap                :      8;
                bdrkreg_t       p_deadlock_to_wrap        :     20;
                bdrkreg_t       p_tail_to_wrap            :     20;
                bdrkreg_t       p_rsrvd                   :     12;
	} xb_parms_fld_s;
} xb_parms_u_t;

#else

typedef union xb_parms_u {
	bdrkreg_t	xb_parms_regval;
	struct	{
		bdrkreg_t	p_rsrvd			  :	12;
		bdrkreg_t	p_tail_to_wrap		  :	20;
		bdrkreg_t	p_deadlock_to_wrap	  :	20;
		bdrkreg_t	p_age_wrap		  :	 8;
		bdrkreg_t	p_rsrvd_1		  :	 3;
		bdrkreg_t	p_byp_en		  :	 1;
	} xb_parms_fld_s;
} xb_parms_u_t;

#endif




/************************************************************************
 *                                                                      *
 *  Sets the period of wavefront grants given to each unit. The         *
 * register's value corresponds to the number of cycles between each    *
 * wavefront grant opportunity given to the requesting unit. If set     *
 * to 0xF, no grants are given to this unit. If set to 0xE, the unit    *
 * is granted at the slowest rate (sometimes called "molasses mode").   *
 * This feature can be used to apply backpressure to a unit's output    *
 * queue(s). The setting does not affect bypass grants.                 *
 *                                                                      *
 ************************************************************************/




#ifdef LITTLE_ENDIAN

typedef union xb_slow_gnt_u {
	bdrkreg_t	xb_slow_gnt_regval;
	struct  {
		bdrkreg_t	sg_lb_slow_gnt            :	 4;
                bdrkreg_t       sg_ii_slow_gnt            :      4;
                bdrkreg_t       sg_ni_slow_gnt            :      4;
                bdrkreg_t       sg_mmq_slow_gnt           :      4;
                bdrkreg_t       sg_mp1_slow_gnt           :      4;
                bdrkreg_t       sg_mp0_slow_gnt           :      4;
                bdrkreg_t       sg_pi1_slow_gnt           :      4;
                bdrkreg_t       sg_pi0_slow_gnt           :      4;
                bdrkreg_t       sg_rsrvd                  :     32;
	} xb_slow_gnt_fld_s;
} xb_slow_gnt_u_t;

#else

typedef union xb_slow_gnt_u {
	bdrkreg_t	xb_slow_gnt_regval;
	struct	{
		bdrkreg_t	sg_rsrvd		  :	32;
		bdrkreg_t	sg_pi0_slow_gnt		  :	 4;
		bdrkreg_t	sg_pi1_slow_gnt		  :	 4;
		bdrkreg_t	sg_mp0_slow_gnt		  :	 4;
		bdrkreg_t	sg_mp1_slow_gnt		  :	 4;
		bdrkreg_t	sg_mmq_slow_gnt		  :	 4;
		bdrkreg_t	sg_ni_slow_gnt		  :	 4;
		bdrkreg_t	sg_ii_slow_gnt		  :	 4;
		bdrkreg_t	sg_lb_slow_gnt		  :	 4;
	} xb_slow_gnt_fld_s;
} xb_slow_gnt_u_t;

#endif




/************************************************************************
 *                                                                      *
 *  Enables snooping of internal crossbar traffic by spewing all        *
 * traffic across a selected crossbar point to the PI1 port. Only one   *
 * bit should be set at any one time, and any bit set will preclude     *
 * using the P1 for anything but a debug connection.                    *
 *                                                                      *
 ************************************************************************/




#ifdef LITTLE_ENDIAN

typedef union xb_spew_control_u {
	bdrkreg_t	xb_spew_control_regval;
	struct  {
		bdrkreg_t	sc_snoop_liq              :	 1;
                bdrkreg_t       sc_snoop_iiq              :      1;
                bdrkreg_t       sc_snoop_niq              :      1;
                bdrkreg_t       sc_snoop_miq              :      1;
                bdrkreg_t       sc_snoop_piq0             :      1;
                bdrkreg_t       sc_snoop_loq              :      1;
                bdrkreg_t       sc_snoop_ioq              :      1;
                bdrkreg_t       sc_snoop_noq              :      1;
                bdrkreg_t       sc_snoop_mmq              :      1;
                bdrkreg_t       sc_snoop_mp0              :      1;
                bdrkreg_t       sc_snoop_poq0             :      1;
                bdrkreg_t       sc_rsrvd                  :     53;
	} xb_spew_control_fld_s;
} xb_spew_control_u_t;

#else

typedef union xb_spew_control_u {
	bdrkreg_t	xb_spew_control_regval;
	struct	{
		bdrkreg_t	sc_rsrvd		  :	53;
		bdrkreg_t	sc_snoop_poq0		  :	 1;
		bdrkreg_t	sc_snoop_mp0		  :	 1;
		bdrkreg_t	sc_snoop_mmq		  :	 1;
		bdrkreg_t	sc_snoop_noq		  :	 1;
		bdrkreg_t	sc_snoop_ioq		  :	 1;
		bdrkreg_t	sc_snoop_loq		  :	 1;
		bdrkreg_t	sc_snoop_piq0		  :	 1;
		bdrkreg_t	sc_snoop_miq		  :	 1;
		bdrkreg_t	sc_snoop_niq		  :	 1;
		bdrkreg_t	sc_snoop_iiq		  :	 1;
		bdrkreg_t	sc_snoop_liq		  :	 1;
	} xb_spew_control_fld_s;
} xb_spew_control_u_t;

#endif