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							- #ifndef __ALPHA_TITAN__H__
 
- #define __ALPHA_TITAN__H__
 
- #include <linux/types.h>
 
- #include <asm/compiler.h>
 
- /*
 
-  * TITAN is the internal names for a core logic chipset which provides
 
-  * memory controller and PCI/AGP access for 21264 based systems.
 
-  *
 
-  * This file is based on:
 
-  *
 
-  * Titan Chipset Engineering Specification
 
-  * Revision 0.12
 
-  * 13 July 1999
 
-  *
 
-  */
 
- /* XXX: Do we need to conditionalize on this?  */
 
- #ifdef USE_48_BIT_KSEG
 
- #define TI_BIAS 0x80000000000UL
 
- #else
 
- #define TI_BIAS 0x10000000000UL
 
- #endif
 
- /*
 
-  * CChip, DChip, and PChip registers
 
-  */
 
- typedef struct {
 
- 	volatile unsigned long csr __attribute__((aligned(64)));
 
- } titan_64;
 
- typedef struct {
 
- 	titan_64	csc;
 
- 	titan_64	mtr;
 
- 	titan_64	misc;
 
- 	titan_64	mpd;
 
- 	titan_64	aar0;
 
- 	titan_64	aar1;
 
- 	titan_64	aar2;
 
- 	titan_64	aar3;
 
- 	titan_64	dim0;
 
- 	titan_64	dim1;
 
- 	titan_64	dir0;
 
- 	titan_64	dir1;
 
- 	titan_64	drir;
 
- 	titan_64	prben;
 
- 	titan_64	iic0;
 
- 	titan_64	iic1;
 
- 	titan_64	mpr0;
 
- 	titan_64	mpr1;
 
- 	titan_64	mpr2;
 
- 	titan_64	mpr3;
 
- 	titan_64	rsvd[2];
 
- 	titan_64	ttr;
 
- 	titan_64	tdr;
 
- 	titan_64	dim2;
 
- 	titan_64	dim3;
 
- 	titan_64	dir2;
 
- 	titan_64	dir3;
 
- 	titan_64	iic2;
 
- 	titan_64	iic3;
 
- 	titan_64	pwr;
 
- 	titan_64	reserved[17];
 
- 	titan_64	cmonctla;
 
- 	titan_64	cmonctlb;
 
- 	titan_64	cmoncnt01;
 
- 	titan_64	cmoncnt23;
 
- 	titan_64	cpen;
 
- } titan_cchip;
 
- typedef struct {
 
- 	titan_64	dsc;
 
- 	titan_64	str;
 
- 	titan_64	drev;
 
- 	titan_64	dsc2;
 
- } titan_dchip;
 
- typedef struct {
 
- 	titan_64	wsba[4];
 
- 	titan_64	wsm[4];
 
- 	titan_64	tba[4];
 
- 	titan_64	pctl;
 
- 	titan_64	plat;
 
- 	titan_64	reserved0[2];
 
- 	union {
 
- 		struct {
 
- 			titan_64	serror;
 
- 			titan_64	serren;
 
- 			titan_64	serrset;
 
- 			titan_64	reserved0;
 
- 			titan_64	gperror;
 
- 			titan_64	gperren;
 
- 			titan_64	gperrset;
 
- 			titan_64	reserved1;
 
- 			titan_64	gtlbiv;
 
- 			titan_64	gtlbia;
 
- 			titan_64	reserved2[2];
 
- 			titan_64	sctl;
 
- 			titan_64	reserved3[3];
 
- 		} g;
 
- 		struct {
 
- 			titan_64	agperror;
 
- 			titan_64	agperren;
 
- 			titan_64	agperrset;
 
- 			titan_64	agplastwr;
 
- 			titan_64	aperror;
 
- 			titan_64	aperren;
 
- 			titan_64	aperrset;
 
- 			titan_64	reserved0;
 
- 			titan_64	atlbiv;
 
- 			titan_64	atlbia;
 
- 			titan_64	reserved1[6];
 
- 		} a;
 
- 	} port_specific;
 
- 	titan_64	sprst;
 
- 	titan_64	reserved1[31];
 
- } titan_pachip_port;
 
- typedef struct {
 
- 	titan_pachip_port	g_port;
 
- 	titan_pachip_port	a_port;
 
- } titan_pachip;
 
- #define TITAN_cchip	((titan_cchip  *)(IDENT_ADDR+TI_BIAS+0x1A0000000UL))
 
- #define TITAN_dchip    	((titan_dchip  *)(IDENT_ADDR+TI_BIAS+0x1B0000800UL))
 
- #define TITAN_pachip0 	((titan_pachip *)(IDENT_ADDR+TI_BIAS+0x180000000UL))
 
- #define TITAN_pachip1 	((titan_pachip *)(IDENT_ADDR+TI_BIAS+0x380000000UL))
 
- extern unsigned TITAN_agp;
 
- extern int TITAN_bootcpu;
 
- /*
 
-  * TITAN PA-chip Window Space Base Address register.
 
-  * (WSBA[0-2])
 
-  */
 
- #define wsba_m_ena 0x1                
 
- #define wsba_m_sg 0x2
 
- #define wsba_m_addr 0xFFF00000  
 
- #define wmask_k_sz1gb 0x3FF00000                   
 
- union TPAchipWSBA {
 
- 	struct  {
 
- 		unsigned wsba_v_ena : 1;
 
- 		unsigned wsba_v_sg : 1;
 
- 		unsigned wsba_v_rsvd1 : 18;
 
- 		unsigned wsba_v_addr : 12;
 
- 		unsigned wsba_v_rsvd2 : 32;
 
-         } wsba_r_bits;
 
- 	int wsba_q_whole [2];
 
- };
 
- /*
 
-  * TITAN PA-chip Control Register
 
-  * This definition covers both the G-Port GPCTL and the A-PORT APCTL.
 
-  * Bits <51:0> are the same in both cases. APCTL<63:52> are only 
 
-  * applicable to AGP.
 
-  */
 
- #define pctl_m_fbtb 			0x00000001
 
- #define pctl_m_thdis 			0x00000002
 
- #define pctl_m_chaindis 		0x00000004
 
- #define pctl_m_tgtlat 			0x00000018
 
- #define pctl_m_hole  	  		0x00000020
 
- #define pctl_m_mwin 	  		0x00000040
 
- #define pctl_m_arbena 	  		0x00000080
 
- #define pctl_m_prigrp 	  		0x0000FF00
 
- #define pctl_m_ppri 	  		0x00010000
 
- #define pctl_m_pcispd66  		0x00020000
 
- #define pctl_m_cngstlt	  		0x003C0000
 
- #define pctl_m_ptpdesten 		0x3FC00000
 
- #define pctl_m_dpcen			0x40000000
 
- #define pctl_m_apcen		0x0000000080000000UL
 
- #define pctl_m_dcrtv		0x0000000300000000UL
 
- #define pctl_m_en_stepping	0x0000000400000000UL
 
- #define apctl_m_rsvd1		0x000FFFF800000000UL
 
- #define apctl_m_agp_rate	0x0030000000000000UL
 
- #define apctl_m_agp_sba_en	0x0040000000000000UL
 
- #define apctl_m_agp_en		0x0080000000000000UL
 
- #define apctl_m_rsvd2		0x0100000000000000UL
 
- #define apctl_m_agp_present	0x0200000000000000UL
 
- #define apctl_agp_hp_rd		0x1C00000000000000UL
 
- #define apctl_agp_lp_rd		0xE000000000000000UL
 
- #define gpctl_m_rsvd		0xFFFFFFF800000000UL
 
- union TPAchipPCTL {
 
- 	struct {
 
- 		unsigned pctl_v_fbtb : 1;		/* A/G [0]     */
 
- 		unsigned pctl_v_thdis : 1;		/* A/G [1]     */
 
- 		unsigned pctl_v_chaindis : 1;		/* A/G [2]     */
 
- 		unsigned pctl_v_tgtlat : 2;		/* A/G [4:3]   */
 
- 		unsigned pctl_v_hole : 1;		/* A/G [5]     */
 
- 		unsigned pctl_v_mwin : 1;		/* A/G [6]     */
 
- 		unsigned pctl_v_arbena : 1;		/* A/G [7]     */
 
- 		unsigned pctl_v_prigrp : 8;		/* A/G [15:8]  */
 
- 		unsigned pctl_v_ppri : 1;		/* A/G [16]    */
 
- 		unsigned pctl_v_pcispd66 : 1;		/* A/G [17]    */
 
- 		unsigned pctl_v_cngstlt : 4;		/* A/G [21:18] */
 
- 		unsigned pctl_v_ptpdesten : 8;		/* A/G [29:22] */
 
- 		unsigned pctl_v_dpcen : 1;		/* A/G [30]    */
 
- 		unsigned pctl_v_apcen : 1;		/* A/G [31]    */
 
- 		unsigned pctl_v_dcrtv : 2;		/* A/G [33:32] */
 
- 		unsigned pctl_v_en_stepping :1;		/* A/G [34]    */
 
- 		unsigned apctl_v_rsvd1 : 17;		/* A   [51:35] */
 
- 		unsigned apctl_v_agp_rate : 2;		/* A   [53:52] */
 
- 		unsigned apctl_v_agp_sba_en : 1;	/* A   [54]    */
 
- 		unsigned apctl_v_agp_en : 1;		/* A   [55]    */
 
- 		unsigned apctl_v_rsvd2 : 1;		/* A   [56]    */
 
- 		unsigned apctl_v_agp_present : 1;	/* A   [57]    */
 
- 		unsigned apctl_v_agp_hp_rd : 3;		/* A   [60:58] */
 
- 		unsigned apctl_v_agp_lp_rd : 3;		/* A   [63:61] */
 
- 	} pctl_r_bits;
 
- 	unsigned int pctl_l_whole [2];
 
- 	unsigned long pctl_q_whole;
 
- };
 
- /*
 
-  * SERROR / SERREN / SERRSET
 
-  */
 
- union TPAchipSERR {
 
- 	struct {
 
- 		unsigned serr_v_lost_uecc : 1;		/* [0]		*/
 
- 		unsigned serr_v_uecc : 1;		/* [1]  	*/
 
- 		unsigned serr_v_cre : 1;		/* [2]		*/
 
- 		unsigned serr_v_nxio : 1;		/* [3]		*/
 
- 		unsigned serr_v_lost_cre : 1;		/* [4]		*/
 
- 		unsigned serr_v_rsvd0 : 10;		/* [14:5]	*/
 
- 		unsigned serr_v_addr : 32;		/* [46:15]	*/
 
- 		unsigned serr_v_rsvd1 : 5;		/* [51:47]	*/
 
- 		unsigned serr_v_source : 2;		/* [53:52]	*/
 
- 		unsigned serr_v_cmd : 2;		/* [55:54]	*/
 
- 		unsigned serr_v_syn : 8;		/* [63:56]	*/
 
- 	} serr_r_bits;
 
- 	unsigned int serr_l_whole[2];
 
- 	unsigned long serr_q_whole;
 
- };
 
- /*
 
-  * GPERROR / APERROR / GPERREN / APERREN / GPERRSET / APERRSET
 
-  */
 
- union TPAchipPERR {
 
- 	struct {
 
- 		unsigned long perr_v_lost : 1;	     	/* [0]		*/
 
- 		unsigned long perr_v_serr : 1;		/* [1]		*/
 
- 		unsigned long perr_v_perr : 1;		/* [2]		*/
 
- 		unsigned long perr_v_dcrto : 1;		/* [3]		*/
 
- 		unsigned long perr_v_sge : 1;		/* [4]		*/
 
- 		unsigned long perr_v_ape : 1;		/* [5]		*/
 
- 		unsigned long perr_v_ta : 1;		/* [6]		*/
 
- 		unsigned long perr_v_dpe : 1;		/* [7]		*/
 
- 		unsigned long perr_v_nds : 1;		/* [8]		*/
 
- 		unsigned long perr_v_iptpr : 1;		/* [9]		*/
 
- 		unsigned long perr_v_iptpw : 1;		/* [10] 	*/
 
- 		unsigned long perr_v_rsvd0 : 3;		/* [13:11]	*/
 
- 		unsigned long perr_v_addr : 33;		/* [46:14]	*/
 
- 		unsigned long perr_v_dac : 1;		/* [47]		*/
 
- 		unsigned long perr_v_mwin : 1;		/* [48]		*/
 
- 		unsigned long perr_v_rsvd1 : 3;		/* [51:49]	*/
 
- 		unsigned long perr_v_cmd : 4;		/* [55:52]	*/
 
- 		unsigned long perr_v_rsvd2 : 8;		/* [63:56]	*/
 
- 	} perr_r_bits;
 
- 	unsigned int perr_l_whole[2];
 
- 	unsigned long perr_q_whole;
 
- };
 
- /*
 
-  * AGPERROR / AGPERREN / AGPERRSET
 
-  */
 
- union TPAchipAGPERR {
 
- 	struct {
 
- 		unsigned agperr_v_lost : 1;		/* [0]		*/
 
- 		unsigned agperr_v_lpqfull : 1;		/* [1]		*/
 
- 		unsigned apgerr_v_hpqfull : 1;		/* [2]		*/
 
- 		unsigned agperr_v_rescmd : 1;		/* [3]		*/
 
- 		unsigned agperr_v_ipte : 1;		/* [4]		*/
 
- 		unsigned agperr_v_ptp :	1;      	/* [5]		*/
 
- 		unsigned agperr_v_nowindow : 1;		/* [6]		*/
 
- 		unsigned agperr_v_rsvd0 : 8;		/* [14:7]	*/
 
- 		unsigned agperr_v_addr : 32;		/* [46:15]	*/
 
- 		unsigned agperr_v_rsvd1 : 1;		/* [47]		*/
 
- 		unsigned agperr_v_dac : 1;		/* [48]		*/
 
- 		unsigned agperr_v_mwin : 1;		/* [49]		*/
 
- 		unsigned agperr_v_cmd : 3;		/* [52:50]	*/
 
- 		unsigned agperr_v_length : 6;		/* [58:53]	*/
 
- 		unsigned agperr_v_fence : 1;		/* [59]		*/
 
- 		unsigned agperr_v_rsvd2 : 4;		/* [63:60]	*/
 
- 	} agperr_r_bits;
 
- 	unsigned int agperr_l_whole[2];
 
- 	unsigned long agperr_q_whole;
 
- };
 
- /*
 
-  * Memory spaces:
 
-  * Hose numbers are assigned as follows:
 
-  *		0 - pachip 0 / G Port
 
-  *		1 - pachip 1 / G Port
 
-  * 		2 - pachip 0 / A Port
 
-  *      	3 - pachip 1 / A Port
 
-  */
 
- #define TITAN_HOSE_SHIFT       (33) 
 
- #define TITAN_HOSE(h)		(((unsigned long)(h)) << TITAN_HOSE_SHIFT)
 
- #define TITAN_BASE		(IDENT_ADDR + TI_BIAS)
 
- #define TITAN_MEM(h)	     	(TITAN_BASE+TITAN_HOSE(h)+0x000000000UL)
 
- #define _TITAN_IACK_SC(h)    	(TITAN_BASE+TITAN_HOSE(h)+0x1F8000000UL)
 
- #define TITAN_IO(h)	     	(TITAN_BASE+TITAN_HOSE(h)+0x1FC000000UL)
 
- #define TITAN_CONF(h)	     	(TITAN_BASE+TITAN_HOSE(h)+0x1FE000000UL)
 
- #define TITAN_HOSE_MASK		TITAN_HOSE(3)
 
- #define TITAN_IACK_SC	     	_TITAN_IACK_SC(0) /* hack! */
 
- /* 
 
 
  |