1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 | /* SPDX-License-Identifier: GPL-2.0 */ #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! */ /* * The canonical non-remaped I/O and MEM addresses have these values * subtracted out. This is arranged so that folks manipulating ISA * devices can use their familiar numbers and have them map to bus 0. */ #define TITAN_IO_BIAS TITAN_IO(0) #define TITAN_MEM_BIAS TITAN_MEM(0) /* The IO address space is larger than 0xffff */ #define TITAN_IO_SPACE (TITAN_CONF(0) - TITAN_IO(0)) /* TIG Space */ #define TITAN_TIG_SPACE (TITAN_BASE + 0x100000000UL) /* Offset between ram physical addresses and pci64 DAC bus addresses. */ /* ??? Just a guess. Ought to confirm it hasn't been moved. */ #define TITAN_DAC_OFFSET (1UL << 40) /* * Data structure for handling TITAN machine checks: */ #define SCB_Q_SYSERR 0x620 #define SCB_Q_PROCERR 0x630 #define SCB_Q_SYSMCHK 0x660 #define SCB_Q_PROCMCHK 0x670 #define SCB_Q_SYSEVENT 0x680 /* environmental / system management */ struct el_TITAN_sysdata_mcheck { u64 summary; /* 0x00 */ u64 c_dirx; /* 0x08 */ u64 c_misc; /* 0x10 */ u64 p0_serror; /* 0x18 */ u64 p0_gperror; /* 0x20 */ u64 p0_aperror; /* 0x28 */ u64 p0_agperror;/* 0x30 */ u64 p1_serror; /* 0x38 */ u64 p1_gperror; /* 0x40 */ u64 p1_aperror; /* 0x48 */ u64 p1_agperror;/* 0x50 */ }; /* * System area for a privateer 680 environmental/system management mcheck */ struct el_PRIVATEER_envdata_mcheck { u64 summary; /* 0x00 */ u64 c_dirx; /* 0x08 */ u64 smir; /* 0x10 */ u64 cpuir; /* 0x18 */ u64 psir; /* 0x20 */ u64 fault; /* 0x28 */ u64 sys_doors; /* 0x30 */ u64 temp_warn; /* 0x38 */ u64 fan_ctrl; /* 0x40 */ u64 code; /* 0x48 */ u64 reserved; /* 0x50 */ }; #ifdef __KERNEL__ #ifndef __EXTERN_INLINE #define __EXTERN_INLINE extern inline #define __IO_EXTERN_INLINE #endif /* * I/O functions: * * TITAN, a 21??? PCI/memory support chipset for the EV6 (21264) * can only use linear accesses to get at PCI/AGP memory and I/O spaces. */ /* * Memory functions. all accesses are done through linear space. */ extern void __iomem *titan_ioportmap(unsigned long addr); extern void __iomem *titan_ioremap(unsigned long addr, unsigned long size); extern void titan_iounmap(volatile void __iomem *addr); __EXTERN_INLINE int titan_is_ioaddr(unsigned long addr) { return addr >= TITAN_BASE; } extern int titan_is_mmio(const volatile void __iomem *addr); #undef __IO_PREFIX #define __IO_PREFIX titan #define titan_trivial_rw_bw 1 #define titan_trivial_rw_lq 1 #define titan_trivial_io_bw 1 #define titan_trivial_io_lq 1 #define titan_trivial_iounmap 0 #include <asm/io_trivial.h> #ifdef __IO_EXTERN_INLINE #undef __EXTERN_INLINE #undef __IO_EXTERN_INLINE #endif #endif /* __KERNEL__ */ #endif /* __ALPHA_TITAN__H__ */ |