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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 | /* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ALPHA_TSUNAMI__H__ #define __ALPHA_TSUNAMI__H__ #include <linux/types.h> #include <asm/compiler.h> /* * TSUNAMI/TYPHOON are the internal names for the core logic chipset which * provides memory controller and PCI access for the 21264 based systems. * * This file is based on: * * Tsunami System Programmers Manual * Preliminary, Chapters 2-5 * */ /* XXX: Do we need to conditionalize on this? */ #ifdef USE_48_BIT_KSEG #define TS_BIAS 0x80000000000UL #else #define TS_BIAS 0x10000000000UL #endif /* * CChip, DChip, and PChip registers */ typedef struct { volatile unsigned long csr __attribute__((aligned(64))); } tsunami_64; typedef struct { tsunami_64 csc; tsunami_64 mtr; tsunami_64 misc; tsunami_64 mpd; tsunami_64 aar0; tsunami_64 aar1; tsunami_64 aar2; tsunami_64 aar3; tsunami_64 dim0; tsunami_64 dim1; tsunami_64 dir0; tsunami_64 dir1; tsunami_64 drir; tsunami_64 prben; tsunami_64 iic; /* a.k.a. iic0 */ tsunami_64 wdr; /* a.k.a. iic1 */ tsunami_64 mpr0; tsunami_64 mpr1; tsunami_64 mpr2; tsunami_64 mpr3; tsunami_64 mctl; tsunami_64 __pad1; tsunami_64 ttr; tsunami_64 tdr; tsunami_64 dim2; tsunami_64 dim3; tsunami_64 dir2; tsunami_64 dir3; tsunami_64 iic2; tsunami_64 iic3; } tsunami_cchip; typedef struct { tsunami_64 dsc; tsunami_64 str; tsunami_64 drev; } tsunami_dchip; typedef struct { tsunami_64 wsba[4]; tsunami_64 wsm[4]; tsunami_64 tba[4]; tsunami_64 pctl; tsunami_64 plat; tsunami_64 reserved; tsunami_64 perror; tsunami_64 perrmask; tsunami_64 perrset; tsunami_64 tlbiv; tsunami_64 tlbia; tsunami_64 pmonctl; tsunami_64 pmoncnt; } tsunami_pchip; #define TSUNAMI_cchip ((tsunami_cchip *)(IDENT_ADDR+TS_BIAS+0x1A0000000UL)) #define TSUNAMI_dchip ((tsunami_dchip *)(IDENT_ADDR+TS_BIAS+0x1B0000800UL)) #define TSUNAMI_pchip0 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x180000000UL)) #define TSUNAMI_pchip1 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x380000000UL)) extern int TSUNAMI_bootcpu; /* * TSUNAMI Pchip Error register. */ #define perror_m_lost 0x1 #define perror_m_serr 0x2 #define perror_m_perr 0x4 #define perror_m_dcrto 0x8 #define perror_m_sge 0x10 #define perror_m_ape 0x20 #define perror_m_ta 0x40 #define perror_m_rdpe 0x80 #define perror_m_nds 0x100 #define perror_m_rto 0x200 #define perror_m_uecc 0x400 #define perror_m_cre 0x800 #define perror_m_addrl 0xFFFFFFFF0000UL #define perror_m_addrh 0x7000000000000UL #define perror_m_cmd 0xF0000000000000UL #define perror_m_syn 0xFF00000000000000UL union TPchipPERROR { struct { unsigned int perror_v_lost : 1; unsigned perror_v_serr : 1; unsigned perror_v_perr : 1; unsigned perror_v_dcrto : 1; unsigned perror_v_sge : 1; unsigned perror_v_ape : 1; unsigned perror_v_ta : 1; unsigned perror_v_rdpe : 1; unsigned perror_v_nds : 1; unsigned perror_v_rto : 1; unsigned perror_v_uecc : 1; unsigned perror_v_cre : 1; unsigned perror_v_rsvd1 : 4; unsigned perror_v_addrl : 32; unsigned perror_v_addrh : 3; unsigned perror_v_rsvd2 : 1; unsigned perror_v_cmd : 4; unsigned perror_v_syn : 8; } perror_r_bits; int perror_q_whole [2]; }; /* * TSUNAMI Pchip Window Space Base Address register. */ #define wsba_m_ena 0x1 #define wsba_m_sg 0x2 #define wsba_m_ptp 0x4 #define wsba_m_addr 0xFFF00000 #define wmask_k_sz1gb 0x3FF00000 union TPchipWSBA { struct { unsigned wsba_v_ena : 1; unsigned wsba_v_sg : 1; unsigned wsba_v_ptp : 1; unsigned wsba_v_rsvd1 : 17; unsigned wsba_v_addr : 12; unsigned wsba_v_rsvd2 : 32; } wsba_r_bits; int wsba_q_whole [2]; }; /* * TSUNAMI Pchip Control Register */ #define pctl_m_fdsc 0x1 #define pctl_m_fbtb 0x2 #define pctl_m_thdis 0x4 #define pctl_m_chaindis 0x8 #define pctl_m_tgtlat 0x10 #define pctl_m_hole 0x20 #define pctl_m_mwin 0x40 #define pctl_m_arbena 0x80 #define pctl_m_prigrp 0x7F00 #define pctl_m_ppri 0x8000 #define pctl_m_rsvd1 0x30000 #define pctl_m_eccen 0x40000 #define pctl_m_padm 0x80000 #define pctl_m_cdqmax 0xF00000 #define pctl_m_rev 0xFF000000 #define pctl_m_crqmax 0xF00000000UL #define pctl_m_ptpmax 0xF000000000UL #define pctl_m_pclkx 0x30000000000UL #define pctl_m_fdsdis 0x40000000000UL #define pctl_m_fdwdis 0x80000000000UL #define pctl_m_ptevrfy 0x100000000000UL #define pctl_m_rpp 0x200000000000UL #define pctl_m_pid 0xC00000000000UL #define pctl_m_rsvd2 0xFFFF000000000000UL union TPchipPCTL { struct { unsigned pctl_v_fdsc : 1; unsigned pctl_v_fbtb : 1; unsigned pctl_v_thdis : 1; unsigned pctl_v_chaindis : 1; unsigned pctl_v_tgtlat : 1; unsigned pctl_v_hole : 1; unsigned pctl_v_mwin : 1; unsigned pctl_v_arbena : 1; unsigned pctl_v_prigrp : 7; unsigned pctl_v_ppri : 1; unsigned pctl_v_rsvd1 : 2; unsigned pctl_v_eccen : 1; unsigned pctl_v_padm : 1; unsigned pctl_v_cdqmax : 4; unsigned pctl_v_rev : 8; unsigned pctl_v_crqmax : 4; unsigned pctl_v_ptpmax : 4; unsigned pctl_v_pclkx : 2; unsigned pctl_v_fdsdis : 1; unsigned pctl_v_fdwdis : 1; unsigned pctl_v_ptevrfy : 1; unsigned pctl_v_rpp : 1; unsigned pctl_v_pid : 2; unsigned pctl_v_rsvd2 : 16; } pctl_r_bits; int pctl_q_whole [2]; }; /* * TSUNAMI Pchip Error Mask Register. */ #define perrmask_m_lost 0x1 #define perrmask_m_serr 0x2 #define perrmask_m_perr 0x4 #define perrmask_m_dcrto 0x8 #define perrmask_m_sge 0x10 #define perrmask_m_ape 0x20 #define perrmask_m_ta 0x40 #define perrmask_m_rdpe 0x80 #define perrmask_m_nds 0x100 #define perrmask_m_rto 0x200 #define perrmask_m_uecc 0x400 #define perrmask_m_cre 0x800 #define perrmask_m_rsvd 0xFFFFFFFFFFFFF000UL union TPchipPERRMASK { struct { unsigned int perrmask_v_lost : 1; unsigned perrmask_v_serr : 1; unsigned perrmask_v_perr : 1; unsigned perrmask_v_dcrto : 1; unsigned perrmask_v_sge : 1; unsigned perrmask_v_ape : 1; unsigned perrmask_v_ta : 1; unsigned perrmask_v_rdpe : 1; unsigned perrmask_v_nds : 1; unsigned perrmask_v_rto : 1; unsigned perrmask_v_uecc : 1; unsigned perrmask_v_cre : 1; unsigned perrmask_v_rsvd1 : 20; unsigned perrmask_v_rsvd2 : 32; } perrmask_r_bits; int perrmask_q_whole [2]; }; /* * Memory spaces: */ #define TSUNAMI_HOSE(h) (((unsigned long)(h)) << 33) #define TSUNAMI_BASE (IDENT_ADDR + TS_BIAS) #define TSUNAMI_MEM(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x000000000UL) #define _TSUNAMI_IACK_SC(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1F8000000UL) #define TSUNAMI_IO(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FC000000UL) #define TSUNAMI_CONF(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FE000000UL) #define TSUNAMI_IACK_SC _TSUNAMI_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 TSUNAMI_IO_BIAS TSUNAMI_IO(0) #define TSUNAMI_MEM_BIAS TSUNAMI_MEM(0) /* The IO address space is larger than 0xffff */ #define TSUNAMI_IO_SPACE (TSUNAMI_CONF(0) - TSUNAMI_IO(0)) /* Offset between ram physical addresses and pci64 DAC bus addresses. */ #define TSUNAMI_DAC_OFFSET (1UL << 40) /* * Data structure for handling TSUNAMI machine checks: */ struct el_TSUNAMI_sysdata_mcheck { }; #ifdef __KERNEL__ #ifndef __EXTERN_INLINE #define __EXTERN_INLINE extern inline #define __IO_EXTERN_INLINE #endif /* * I/O functions: * * TSUNAMI, the 21??? PCI/memory support chipset for the EV6 (21264) * can only use linear accesses to get at PCI memory and I/O spaces. */ /* * Memory functions. all accesses are done through linear space. */ extern void __iomem *tsunami_ioportmap(unsigned long addr); extern void __iomem *tsunami_ioremap(unsigned long addr, unsigned long size); __EXTERN_INLINE int tsunami_is_ioaddr(unsigned long addr) { return addr >= TSUNAMI_BASE; } __EXTERN_INLINE int tsunami_is_mmio(const volatile void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; return (addr & 0x100000000UL) == 0; } #undef __IO_PREFIX #define __IO_PREFIX tsunami #define tsunami_trivial_rw_bw 1 #define tsunami_trivial_rw_lq 1 #define tsunami_trivial_io_bw 1 #define tsunami_trivial_io_lq 1 #define tsunami_trivial_iounmap 1 #include <asm/io_trivial.h> #ifdef __IO_EXTERN_INLINE #undef __EXTERN_INLINE #undef __IO_EXTERN_INLINE #endif #endif /* __KERNEL__ */ #endif /* __ALPHA_TSUNAMI__H__ */ |