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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;
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