hubni_next.h

该文件是rt_linux

/* $Id$
 *
 * 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, 2000-2001 Silicon Graphics, Inc. All rights reserved.
 */
#ifndef _ASM_IA64_SN_SN1_HUBNI_NEXT_H
#define _ASM_IA64_SN_SN1_HUBNI_NEXT_H

#define NI_LOCAL_ENTRIES        128
#define NI_META_ENTRIES        1

#define NI_LOCAL_TABLE(_x)      (NI_LOCAL_TABLE_0 + (8 * (_x)))
#define NI_META_TABLE(_x)       (NI_GLOBAL_TABLE + (8 * (_x)))

/**************************************************************

  Masks and shifts for NI registers are defined below. 

**************************************************************/

#define NPS_LINKUP_SHFT        1
#define NPS_LINKUP_MASK        (UINT64_CAST 0x1 << 1)


#define NPR_LOCALRESET          (UINT64_CAST 1 << 2)    /* Reset loc. bdrck */
#define NPR_PORTRESET           (UINT64_CAST 1 << 1)    /* Send warm reset  */
#define NPR_LINKRESET           (UINT64_CAST 1 << 0)    /* Send link reset  */

/* NI_DIAG_PARMS bit definitions */
#define NDP_SENDERROR           (UINT64_CAST 1 <<  0)   /* Send data error  */
#define NDP_PORTDISABLE         (UINT64_CAST 1 <<  1)   /* Port disable     */
#define NDP_SENDERROFF          (UINT64_CAST 1 <<  2)   /* Disable send error recovery */


/* NI_PORT_ERROR mask and shift definitions (some are not present in SN0) */

#define NPE_LINKRESET		(UINT64_CAST 1 << 52)
#define NPE_INTLONG_SHFT	48
#define NPE_INTLONG_MASK	(UINT64_CAST 0xf << NPE_INTLONG_SHFT)
#define NPE_INTSHORT_SHFT	44
#define NPE_INTSHORT_MASK	(UINT64_CAST 0xf << NPE_INTSHORT_SHFT)
#define NPE_EXTBADHEADER_SHFT	40
#define NPE_EXTBADHEADER_MASK	(UINT64_CAST 0xf << NPE_EXTBADHEADER_SHFT)
#define NPE_EXTLONG_SHFT	36
#define NPE_EXTLONG_MASK	(UINT64_CAST 0xf << NPE_EXTLONG_SHFT)
#define NPE_EXTSHORT_SHFT	32
#define NPE_EXTSHORT_MASK	(UINT64_CAST 0xf << NPE_EXTSHORT_SHFT)
#define NPE_FIFOOVFLOW_SHFT	28
#define NPE_FIFOOVFLOW_MASK	(UINT64_CAST 0xf << NPE_FIFOOVFLOW_SHFT)
#define NPE_TAILTO_SHFT		24
#define NPE_TAILTO_MASK		(UINT64_CAST 0xf << NPE_TAILTO_SHFT)
#define NPE_RETRYCOUNT_SHFT	16
#define NPE_RETRYCOUNT_MASK	(UINT64_CAST 0xff << NPE_RETRYCOUNT_SHFT)
#define NPE_CBERRCOUNT_SHFT	8
#define NPE_CBERRCOUNT_MASK	(UINT64_CAST 0xff << NPE_CBERRCOUNT_SHFT)
#define NPE_SNERRCOUNT_SHFT	0
#define NPE_SNERRCOUNT_MASK	(UINT64_CAST 0xff << NPE_SNERRCOUNT_SHFT)

#define NPE_COUNT_MAX		0xff

#define NPE_FATAL_ERRORS	(NPE_LINKRESET | NPE_INTLONG_MASK |\
				 NPE_INTSHORT_MASK | NPE_EXTBADHEADER_MASK |\
				 NPE_EXTLONG_MASK | NPE_EXTSHORT_MASK |\
				 NPE_FIFOOVFLOW_MASK | NPE_TAILTO_MASK)

#ifndef __ASSEMBLY__
/* NI_PORT_HEADER[AB] registers (not automatically generated) */

#ifdef LITTLE_ENDIAN

typedef union ni_port_header_a_u {
	bdrkreg_t	ni_port_header_a_regval;
	struct  {
		bdrkreg_t	pha_v                     :	 1;
                bdrkreg_t       pha_age                   :      8;
                bdrkreg_t       pha_direction             :      4;
                bdrkreg_t       pha_destination           :      8;
                bdrkreg_t       pha_reserved_1            :      3;
                bdrkreg_t       pha_command               :      8;
                bdrkreg_t       pha_prexsel               :      3;
                bdrkreg_t       pha_address_b             :     27;
                bdrkreg_t       pha_reserved              :      2;
	} ni_port_header_a_fld_s;
} ni_port_header_a_u_t;

#else

typedef union ni_port_header_a_u {
	bdrkreg_t	ni_port_header_a_regval;
	struct	{
		bdrkreg_t	pha_reserved		  :	 2;
		bdrkreg_t	pha_address_b		  :	27;
		bdrkreg_t	pha_prexsel		  :	 3;
		bdrkreg_t	pha_command		  :	 8;
		bdrkreg_t	pha_reserved_1		  :	 3;
		bdrkreg_t	pha_destination		  :	 8;
		bdrkreg_t	pha_direction		  :	 4;
		bdrkreg_t	pha_age			  :	 8;
		bdrkreg_t	pha_v			  :	 1;
	} ni_port_header_a_fld_s;
} ni_port_header_a_u_t;

#endif

#ifdef LITTLE_ENDIAN

typedef union ni_port_header_b_u {
	bdrkreg_t	ni_port_header_b_regval;
	struct  {
		bdrkreg_t	phb_supplemental           :	11;
                bdrkreg_t       phb_reserved_2            :      5;
                bdrkreg_t       phb_source                :     11;
                bdrkreg_t       phb_reserved_1            :      8;
                bdrkreg_t       phb_address_a             :      3;
                bdrkreg_t       phb_address_c             :      8;
                bdrkreg_t       phb_reserved              :     18;
	} ni_port_header_b_fld_s;
} ni_port_header_b_u_t;

#else

typedef union ni_port_header_b_u {
	bdrkreg_t	ni_port_header_b_regval;
	struct	{
		bdrkreg_t	phb_reserved		  :	18;
		bdrkreg_t	phb_address_c		  :	 8;
		bdrkreg_t	phb_address_a		  :	 3;
		bdrkreg_t	phb_reserved_1		  :	 8;
		bdrkreg_t	phb_source		  :	11;
		bdrkreg_t	phb_reserved_2		  :	 5;
		bdrkreg_t	phb_supplemental	   :	11;
	} ni_port_header_b_fld_s;
} ni_port_header_b_u_t;

#endif
#endif

/* NI_RESET_ENABLE mask definitions */

#define NRE_RESETOK		(UINT64_CAST 1)	/* Let LLP reset bedrock */

/* NI PORT_ERRORS, Max number of RETRY_COUNT, Check Bit, and Sequence   */
/* Number errors (8 bit counters that do not wrap).                     */
#define NI_LLP_RETRY_MAX        0xff
#define NI_LLP_CB_MAX           0xff
#define NI_LLP_SN_MAX           0xff

/* NI_PORT_PARMS shift and mask definitions */

#define NPP_VCH_ERR_EN_SHFT	31
#define NPP_VCH_ERR_EN_MASK	(0xf << NPP_VCH_ERR_EN_SHFT)
#define NPP_SQUASH_ERR_EN_SHFT	30
#define NPP_SQUASH_ERR_EN_MASK	(0x1 << NPP_SQUASH_ERR_EN_SHFT)
#define NPP_FIRST_ERR_EN_SHFT	29
#define NPP_FIRST_ERR_EN_MASK	(0x1 << NPP_FIRST_ERR_EN_SHFT)
#define NPP_D_AVAIL_SEL_SHFT	26
#define NPP_D_AVAIL_SEL_MASK	(0x3 << NPP_D_AVAIL_SEL_SHFT)
#define NPP_MAX_RETRY_SHFT	16
#define NPP_MAX_RETRY_MASK	(0x3ff << NPP_MAX_RETRY_SHFT)
#define NPP_NULL_TIMEOUT_SHFT	10
#define NPP_NULL_TIMEOUT_MASK	(0x3f << NPP_NULL_TIMEOUT_SHFT)
#define NPP_MAX_BURST_SHFT	0
#define NPP_MAX_BURST_MASK	(0x3ff << NPP_MAX_BURST_SHFT)

#define NPP_RESET_DEFAULTS	(0xf << NPP_VCH_ERR_EN_SHFT |   \
				 0x1 << NPP_FIRST_ERR_EN_SHFT | \
				 0x3ff << NPP_MAX_RETRY_SHFT |  \
				 0x6 << NPP_NULL_TIMEOUT_SHFT | \
				 0x3f0 << NPP_MAX_BURST_SHFT)

#endif /* _ASM_IA64_SN_SN1_HUBNI_NEXT_H */