1 /* 1 2 * This file is subject to the terms and condi 3 * License. See the file "COPYING" in the mai 4 * for more details. 5 * 6 * Copyright (C) 1992 - 1997, 1999, 2000 Silic 7 * Copyright (C) 1999, 2000 by Ralf Baechle 8 */ 9 #ifndef _ASM_SN_ADDRS_H 10 #define _ASM_SN_ADDRS_H 11 12 13 #ifndef __ASSEMBLY__ 14 #include <linux/smp.h> 15 #include <linux/types.h> 16 #endif /* !__ASSEMBLY__ */ 17 18 #include <asm/addrspace.h> 19 #include <asm/sn/kldir.h> 20 21 #if defined(CONFIG_SGI_IP27) 22 #include <asm/sn/sn0/addrs.h> 23 #elif defined(CONFIG_SGI_IP35) 24 #include <asm/sn/sn1/addrs.h> 25 #endif 26 27 28 #ifndef __ASSEMBLY__ 29 30 #define UINT64_CAST (unsigned long 31 32 #else /* __ASSEMBLY__ */ 33 34 #define UINT64_CAST 35 36 #endif /* __ASSEMBLY__ */ 37 38 39 #define NASID_GET_META(_n) ((_n) >> NASID 40 #ifdef CONFIG_SGI_IP27 41 #define NASID_GET_LOCAL(_n) ((_n) & 0xf) 42 #endif 43 #define NASID_MAKE(_m, _l) (((_m) << NASI 44 45 #define NODE_ADDRSPACE_MASK (NODE_ADDRSPAC 46 #define TO_NODE_ADDRSPACE(_pa) (UINT64_CAST ( 47 48 #define CHANGE_ADDR_NASID(_pa, _nasid) \ 49 ((UINT64_CAST(_pa) & ~NASID_MA 50 (UINT64_CAST(_nasid) << NASI 51 52 53 /* 54 * The following macros are used to index to t 55 * node's address space. 56 */ 57 58 #define NODE_OFFSET(_n) (UINT64_CAST ( 59 60 #define NODE_CAC_BASE(_n) (CAC_BASE + 61 #define NODE_HSPEC_BASE(_n) (HSPEC_BASE + 62 #define NODE_IO_BASE(_n) (IO_BASE + 63 #define NODE_MSPEC_BASE(_n) (MSPEC_BASE + 64 #define NODE_UNCAC_BASE(_n) (UNCAC_BASE + 65 66 #define TO_NODE(_n, _x) (NODE_OFFSET(_ 67 #define TO_NODE_CAC(_n, _x) (NODE_CAC_BASE 68 #define TO_NODE_UNCAC(_n, _x) (NODE_UNCAC_BA 69 #define TO_NODE_MSPEC(_n, _x) (NODE_MSPEC_BA 70 #define TO_NODE_HSPEC(_n, _x) (NODE_HSPEC_BA 71 72 73 #define RAW_NODE_SWIN_BASE(nasid, widget) 74 (NODE_IO_BASE(nasid) + (UINT64_CAST(wi 75 76 #define WIDGETID_GET(addr) ((unsigned cha 77 78 /* 79 * The following definitions pertain to the IO 80 * space. They define the location of the big 81 * of any given node. 82 */ 83 84 #define SWIN_SIZE_BITS 24 85 #define SWIN_SIZE (UINT64_CAST 1 86 #define SWIN_SIZEMASK (SWIN_SIZE - 1 87 #define SWIN_WIDGET_MASK 0xF 88 89 /* 90 * Convert smallwindow address to xtalk addres 91 * 92 * 'addr' can be physical or virtual address, 93 * to Xtalk address in the range 0 -> SWINZ_SI 94 */ 95 #define SWIN_WIDGETADDR(addr) ((addr) & SWIN 96 #define SWIN_WIDGETNUM(addr) (((addr) >> S 97 /* 98 * Verify if addr belongs to small window addr 99 * 100 * 101 * NOTE: "addr" is expected to be XKPHYS addre 102 * address 103 * 104 * 105 */ 106 #define NODE_SWIN_ADDR(nasid, addr) \ 107 (((addr) >= NODE_SWIN_BASE(nas 108 ((addr) < (NODE_SWIN_BASE(na 109 )) 110 111 /* 112 * The following define the major position-ind 113 * in SN. 114 * UALIAS -- 256MB in size, reads in the 115 * uncached references to 116 * CPU_UALIAS -- 128kb in size, the botto 117 * depending on which CPU 118 * all CPUs with unique u 119 * LBOOT -- 256MB in size, reads in the 120 * uncached references to 121 * other directory-bus co 122 * IALIAS -- 8MB in size, reads in the IA 123 * references to the loca 124 */ 125 126 #define UALIAS_BASE HSPEC_BASE 127 #define UALIAS_SIZE 0x10000000 128 #define UALIAS_LIMIT (UALIAS_BASE + 129 130 /* 131 * The bottom of ualias space is flipped depen 132 * processor 0 or 1 within a node. 133 */ 134 #ifdef CONFIG_SGI_IP27 135 #define UALIAS_FLIP_BASE UALIAS_BASE 136 #define UALIAS_FLIP_SIZE 0x20000 137 #define UALIAS_FLIP_BIT 0x10000 138 #define UALIAS_FLIP_ADDR(_x) (cputoslice(sm 139 (_x) ^ UALIAS 140 141 #define LBOOT_BASE (HSPEC_BASE + 142 #define LBOOT_SIZE 0x10000000 143 #define LBOOT_LIMIT (LBOOT_BASE + 144 #define LBOOT_STRIDE 0 145 146 #endif 147 148 #define HUB_REGISTER_WIDGET 1 149 #define IALIAS_BASE NODE_SWIN_BASE 150 #define IALIAS_SIZE 0x800000 151 #define IS_IALIAS(_a) (((_a) >= IALI 152 ((_a) < (IALI 153 154 /* 155 * Macro for referring to Hub's RBOOT space 156 */ 157 158 #ifdef CONFIG_SGI_IP27 159 #define RBOOT_SIZE 0x10000000 160 #define NODE_RBOOT_BASE(_n) (NODE_HSPEC_BA 161 #define NODE_RBOOT_LIMIT(_n) (NODE_RBOOT_BA 162 163 #endif 164 165 /* 166 * Macros for referring the Hub's back door sp 167 * 168 * These macros correctly process addresses 169 * WARNING: They won't work in assembler. 170 * 171 * BDDIR_ENTRY_LO returns the address of the 172 * entry corresponding to a p 173 * BDDIR_ENTRY_HI returns the address of the 174 * BDPRT_ENTRY returns the address of the 175 * corresponding to the page 176 * BDPRT_ENTRY_S Stores the value into the 177 * BDPRT_ENTRY_L Load the value from the pr 178 * BDECC_ENTRY returns the address of the 179 * double-word at a specified 180 * BDECC_ENTRY_H returns the address of the 181 * quad-word at a specified p 182 */ 183 #define NODE_BDOOR_BASE(_n) (NODE_HSPEC_BA 184 185 #define NODE_BDECC_BASE(_n) (NODE_BDOOR_BA 186 #define NODE_BDDIR_BASE(_n) (NODE_BDOOR_BA 187 #ifdef CONFIG_SGI_IP27 188 #define BDDIR_ENTRY_LO(_pa) ((HSPEC_BASE + 189 NODE_ADDRSPA 190 0x200) 191 UINT64_CAST(_ 192 UINT64_CAST(_ 193 UINT64_CAST(_ 194 195 #define BDDIR_ENTRY_HI(_pa) ((HSPEC_BASE + 196 NODE_ADDRSPA 197 0x208) 198 UINT64_CAST(_ 199 UINT64_CAST(_ 200 UINT64_CAST(_ 201 202 #define BDPRT_ENTRY(_pa, _rgn) ((HSPEC_BASE + 203 NODE_ADDRSPA 204 UINT64_CAST(_ 205 UINT64_CAST(_ 206 (_rgn) << 3) 207 #define BDPRT_ENTRY_ADDR(_pa, _rgn) (BDPRT_ENT 208 #define BDPRT_ENTRY_S(_pa, _rgn, _val) (*(__ps 209 #define BDPRT_ENTRY_L(_pa, _rgn) (*(__p 210 211 #define BDECC_ENTRY(_pa) ((HSPEC_BASE + 212 NODE_ADDRSPA 213 UINT64_CAST(_ 214 UINT64_CAST(_ 215 UINT64_CAST(_ 216 217 /* 218 * Macro to convert a back door directory or p 219 * raw physical address of the associated ca 220 */ 221 #define BDADDR_IS_DIR(_ba) ((UINT64_CAST 222 #define BDADDR_IS_PRT(_ba) ((UINT64_CAST 223 224 #define BDDIR_TO_MEM(_ba) (UINT64_CAST ( 225 (UINT64_CAST( 226 (UINT64_CAST( 227 228 #define BDPRT_TO_MEM(_ba) (UINT64_CAST ( 229 (UINT64_CAST( 230 231 #define BDECC_TO_MEM(_ba) (UINT64_CAST ( 232 (UINT64_CAST( 233 (UINT64_CAST( 234 #endif /* CONFIG_SGI_IP27 */ 235 236 237 /* 238 * The following macros produce the correct ba 239 * the hub registers. The LOCAL_HUB_* macros 240 * address for the local registers. The REMOT 241 * the address for the specified hub's registe 242 * that the appropriate PI, MD, NI, or II regi 243 * for _x. 244 */ 245 246 /* 247 * WARNING: 248 * When certain Hub chip workaround are d 249 * to dereference the *_HUB_ADDR() macros 250 * HUB_L() and HUB_S() if you must deal w 251 * Otherwise, the recommended approach is 252 * They're always safe. 253 */ 254 #define LOCAL_HUB_ADDR(_x) (IALIAS_BASE + 255 #define REMOTE_HUB_ADDR(_n, _x) ((NODE_SWIN_BA 256 257 #ifndef __ASSEMBLY__ 258 259 #define LOCAL_HUB_PTR(_x) ((u64 *)LOCAL_ 260 #define REMOTE_HUB_PTR(_n, _x) ((u64 *)REMOTE 261 262 #define LOCAL_HUB_L(_r) __raw_ 263 #define LOCAL_HUB_S(_r, _d) __raw_ 264 #define REMOTE_HUB_L(_n, _r) __raw_ 265 #define REMOTE_HUB_S(_n, _r, _d) __raw_ 266 267 268 #endif /* !__ASSEMBLY__ */ 269 270 /* 271 * Software structure locations -- permanently 272 * See diagram in kldir.h 273 */ 274 275 #define PHYS_RAMBASE 0x0 276 #define K0_RAMBASE PHYS_TO_K0(PHY 277 278 #define EX_HANDLER_OFFSET(slice) ((slice) << 1 279 #define EX_HANDLER_ADDR(nasid, slice) 280 PHYS_TO_K0(NODE_OFFSET(nasid) | EX_HAN 281 #define EX_HANDLER_SIZE 0x0400 282 283 #define EX_FRAME_OFFSET(slice) ((slice) << 16 284 #define EX_FRAME_ADDR(nasid, slice) 285 PHYS_TO_K0(NODE_OFFSET(nasid) | EX_FRA 286 #define EX_FRAME_SIZE 0x0c00 287 288 #define ARCS_SPB_OFFSET 0x1000 289 #define ARCS_SPB_ADDR(nasid) 290 PHYS_TO_K0(NODE_OFFSET(nasid) | ARCS_S 291 #define ARCS_SPB_SIZE 0x0400 292 293 #define KLDIR_OFFSET 0x2000 294 #define KLDIR_ADDR(nasid) 295 TO_NODE_UNCAC((nasid), KLDIR_OFFSET) 296 #define KLDIR_SIZE 0x0400 297 298 299 /* 300 * Software structure locations -- indirected 301 * See diagram in kldir.h 302 * 303 * Important: All low memory structures must 304 * uncached, except for the symmo 305 */ 306 307 #define KLI_LAUNCH 0 308 #define KLI_KLCONFIG 1 309 #define KLI_NMI 2 310 #define KLI_GDA 3 311 #define KLI_FREEMEM 4 312 #define KLI_SYMMON_STK 5 313 #define KLI_PI_ERROR 6 314 #define KLI_KERN_VARS 7 315 #define KLI_KERN_XP 8 316 #define KLI_KERN_PARTID 9 317 318 #ifndef __ASSEMBLY__ 319 320 #define KLD_BASE(nasid) ((kldir_ent_t 321 #define KLD_LAUNCH(nasid) (KLD_BASE(nasi 322 #define KLD_NMI(nasid) (KLD_BASE(nasi 323 #define KLD_KLCONFIG(nasid) (KLD_BASE(nasi 324 #define KLD_PI_ERROR(nasid) (KLD_BASE(nasi 325 #define KLD_GDA(nasid) (KLD_BASE(nasi 326 #define KLD_SYMMON_STK(nasid) (KLD_BASE(nasi 327 #define KLD_FREEMEM(nasid) (KLD_BASE(nasi 328 #define KLD_KERN_VARS(nasid) (KLD_BASE(nasi 329 #define KLD_KERN_XP(nasid) (KLD_BASE(nasi 330 #define KLD_KERN_PARTID(nasid) (KLD_BASE(nasi 331 332 #define LAUNCH_OFFSET(nasid, slice) 333 (KLD_LAUNCH(nasid)->offset + 334 KLD_LAUNCH(nasid)->stride * (slice)) 335 #define LAUNCH_ADDR(nasid, slice) 336 TO_NODE_UNCAC((nasid), LAUNCH_OFFSET(n 337 #define LAUNCH_SIZE(nasid) KLD_LAUNCH(nas 338 339 #define SN_NMI_OFFSET(nasid, slice) 340 (KLD_NMI(nasid)->offset + 341 KLD_NMI(nasid)->stride * (slice)) 342 #define NMI_ADDR(nasid, slice) 343 TO_NODE_UNCAC((nasid), SN_NMI_OFFSET(n 344 #define NMI_SIZE(nasid) KLD_NMI(nasid)->size 345 346 #define KLCONFIG_OFFSET(nasid) KLD_KLCONFIG(n 347 #define KLCONFIG_ADDR(nasid) 348 TO_NODE_UNCAC((nasid), KLCONFIG_OFFSET 349 #define KLCONFIG_SIZE(nasid) KLD_KLCONFIG(n 350 351 #define GDA_ADDR(nasid) KLD_GDA(nasid) 352 #define GDA_SIZE(nasid) KLD_GDA(nasid) 353 354 #define SYMMON_STK_OFFSET(nasid, slice) 355 (KLD_SYMMON_STK(nasid)->offset + 356 KLD_SYMMON_STK(nasid)->stride * (slic 357 #define SYMMON_STK_STRIDE(nasid) KLD_SY 358 359 #define SYMMON_STK_ADDR(nasid, slice) 360 TO_NODE_CAC((nasid), SYMMON_STK_OFFSET 361 362 #define SYMMON_STK_SIZE(nasid) KLD_SYMMON_STK 363 364 #define SYMMON_STK_END(nasid) (SYMMON_STK_AD 365 366 #define NODE_OFFSET_TO_K0(_nasid, _off) 367 PHYS_TO_K0((NODE_OFFSET(_nasid) + (_of 368 #define NODE_OFFSET_TO_K1(_nasid, _off) 369 TO_UNCAC((NODE_OFFSET(_nasid) + (_off) 370 371 #define KERN_VARS_ADDR(nasid) KLD_KERN_VARS( 372 #define KERN_VARS_SIZE(nasid) KLD_KERN_VARS( 373 374 #endif /* !__ASSEMBLY__ */ 375 376 377 #endif /* _ASM_SN_ADDRS_H */ 378
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