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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 | /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1992 - 1997, 1999, 2000 Silicon Graphics, Inc. * Copyright (C) 1999, 2000 by Ralf Baechle */ #ifndef _ASM_SN_ADDRS_H #define _ASM_SN_ADDRS_H #ifndef __ASSEMBLY__ #include <linux/smp.h> #include <linux/types.h> #endif /* !__ASSEMBLY__ */ #include <asm/addrspace.h> #include <asm/sn/kldir.h> #if defined(CONFIG_SGI_IP27) #include <asm/sn/sn0/addrs.h> #elif defined(CONFIG_SGI_IP35) #include <asm/sn/sn1/addrs.h> #endif #ifndef __ASSEMBLY__ #define UINT64_CAST (unsigned long) #else /* __ASSEMBLY__ */ #define UINT64_CAST #endif /* __ASSEMBLY__ */ #define NASID_GET_META(_n) ((_n) >> NASID_LOCAL_BITS) #ifdef CONFIG_SGI_IP27 #define NASID_GET_LOCAL(_n) ((_n) & 0xf) #endif #define NASID_MAKE(_m, _l) (((_m) << NASID_LOCAL_BITS) | (_l)) #define NODE_ADDRSPACE_MASK (NODE_ADDRSPACE_SIZE - 1) #define TO_NODE_ADDRSPACE(_pa) (UINT64_CAST (_pa) & NODE_ADDRSPACE_MASK) #define CHANGE_ADDR_NASID(_pa, _nasid) \ ((UINT64_CAST(_pa) & ~NASID_MASK) | \ (UINT64_CAST(_nasid) << NASID_SHFT)) /* * The following macros are used to index to the beginning of a specific * node's address space. */ #define NODE_OFFSET(_n) (UINT64_CAST (_n) << NODE_SIZE_BITS) #define NODE_CAC_BASE(_n) (CAC_BASE + NODE_OFFSET(_n)) #define NODE_HSPEC_BASE(_n) (HSPEC_BASE + NODE_OFFSET(_n)) #define NODE_IO_BASE(_n) (IO_BASE + NODE_OFFSET(_n)) #define NODE_MSPEC_BASE(_n) (MSPEC_BASE + NODE_OFFSET(_n)) #define NODE_UNCAC_BASE(_n) (UNCAC_BASE + NODE_OFFSET(_n)) #define TO_NODE(_n, _x) (NODE_OFFSET(_n) | ((_x) )) #define TO_NODE_CAC(_n, _x) (NODE_CAC_BASE(_n) | ((_x) & TO_PHYS_MASK)) #define TO_NODE_UNCAC(_n, _x) (NODE_UNCAC_BASE(_n) | ((_x) & TO_PHYS_MASK)) #define TO_NODE_MSPEC(_n, _x) (NODE_MSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK)) #define TO_NODE_HSPEC(_n, _x) (NODE_HSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK)) #define RAW_NODE_SWIN_BASE(nasid, widget) \ (NODE_IO_BASE(nasid) + (UINT64_CAST(widget) << SWIN_SIZE_BITS)) #define WIDGETID_GET(addr) ((unsigned char)((addr >> SWIN_SIZE_BITS) & 0xff)) /* * The following definitions pertain to the IO special address * space. They define the location of the big and little windows * of any given node. */ #define SWIN_SIZE_BITS 24 #define SWIN_SIZE (UINT64_CAST 1 << 24) #define SWIN_SIZEMASK (SWIN_SIZE - 1) #define SWIN_WIDGET_MASK 0xF /* * Convert smallwindow address to xtalk address. * * 'addr' can be physical or virtual address, but will be converted * to Xtalk address in the range 0 -> SWINZ_SIZEMASK */ #define SWIN_WIDGETADDR(addr) ((addr) & SWIN_SIZEMASK) #define SWIN_WIDGETNUM(addr) (((addr) >> SWIN_SIZE_BITS) & SWIN_WIDGET_MASK) /* * Verify if addr belongs to small window address on node with "nasid" * * * NOTE: "addr" is expected to be XKPHYS address, and NOT physical * address * * */ #define NODE_SWIN_ADDR(nasid, addr) \ (((addr) >= NODE_SWIN_BASE(nasid, 0)) && \ ((addr) < (NODE_SWIN_BASE(nasid, HUB_NUM_WIDGET) + SWIN_SIZE)\ )) /* * The following define the major position-independent aliases used * in SN. * UALIAS -- 256MB in size, reads in the UALIAS result in * uncached references to the memory of the reader's node. * CPU_UALIAS -- 128kb in size, the bottom part of UALIAS is flipped * depending on which CPU does the access to provide * all CPUs with unique uncached memory at low addresses. * LBOOT -- 256MB in size, reads in the LBOOT area result in * uncached references to the local hub's boot prom and * other directory-bus connected devices. * IALIAS -- 8MB in size, reads in the IALIAS result in uncached * references to the local hub's registers. */ #define UALIAS_BASE HSPEC_BASE #define UALIAS_SIZE 0x10000000 /* 256 Megabytes */ #define UALIAS_LIMIT (UALIAS_BASE + UALIAS_SIZE) /* * The bottom of ualias space is flipped depending on whether you're * processor 0 or 1 within a node. */ #ifdef CONFIG_SGI_IP27 #define UALIAS_FLIP_BASE UALIAS_BASE #define UALIAS_FLIP_SIZE 0x20000 #define UALIAS_FLIP_BIT 0x10000 #define UALIAS_FLIP_ADDR(_x) (cputoslice(smp_processor_id()) ? \ (_x) ^ UALIAS_FLIP_BIT : (_x)) #define LBOOT_BASE (HSPEC_BASE + 0x10000000) #define LBOOT_SIZE 0x10000000 #define LBOOT_LIMIT (LBOOT_BASE + LBOOT_SIZE) #define LBOOT_STRIDE 0 /* IP27 has only one CPU PROM */ #endif #define HUB_REGISTER_WIDGET 1 #define IALIAS_BASE NODE_SWIN_BASE(0, HUB_REGISTER_WIDGET) #define IALIAS_SIZE 0x800000 /* 8 Megabytes */ #define IS_IALIAS(_a) (((_a) >= IALIAS_BASE) && \ ((_a) < (IALIAS_BASE + IALIAS_SIZE))) /* * Macro for referring to Hub's RBOOT space */ #ifdef CONFIG_SGI_IP27 #define RBOOT_SIZE 0x10000000 /* 256 Megabytes */ #define NODE_RBOOT_BASE(_n) (NODE_HSPEC_BASE(_n) + 0x30000000) #define NODE_RBOOT_LIMIT(_n) (NODE_RBOOT_BASE(_n) + RBOOT_SIZE) #endif /* * Macros for referring the Hub's back door space * * These macros correctly process addresses in any node's space. * WARNING: They won't work in assembler. * * BDDIR_ENTRY_LO returns the address of the low double-word of the dir * entry corresponding to a physical (Cac or Uncac) address. * BDDIR_ENTRY_HI returns the address of the high double-word of the entry. * BDPRT_ENTRY returns the address of the double-word protection entry * corresponding to the page containing the physical address. * BDPRT_ENTRY_S Stores the value into the protection entry. * BDPRT_ENTRY_L Load the value from the protection entry. * BDECC_ENTRY returns the address of the ECC byte corresponding to a * double-word at a specified physical address. * BDECC_ENTRY_H returns the address of the two ECC bytes corresponding to a * quad-word at a specified physical address. */ #define NODE_BDOOR_BASE(_n) (NODE_HSPEC_BASE(_n) + (NODE_ADDRSPACE_SIZE/2)) #define NODE_BDECC_BASE(_n) (NODE_BDOOR_BASE(_n)) #define NODE_BDDIR_BASE(_n) (NODE_BDOOR_BASE(_n) + (NODE_ADDRSPACE_SIZE/4)) #ifdef CONFIG_SGI_IP27 #define BDDIR_ENTRY_LO(_pa) ((HSPEC_BASE + \ NODE_ADDRSPACE_SIZE * 3 / 4 + \ 0x200) | \ UINT64_CAST(_pa) & NASID_MASK | \ UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \ UINT64_CAST(_pa) >> 3 & 0x1f << 4) #define BDDIR_ENTRY_HI(_pa) ((HSPEC_BASE + \ NODE_ADDRSPACE_SIZE * 3 / 4 + \ 0x208) | \ UINT64_CAST(_pa) & NASID_MASK | \ UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \ UINT64_CAST(_pa) >> 3 & 0x1f << 4) #define BDPRT_ENTRY(_pa, _rgn) ((HSPEC_BASE + \ NODE_ADDRSPACE_SIZE * 3 / 4) | \ UINT64_CAST(_pa) & NASID_MASK | \ UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \ (_rgn) << 3) #define BDPRT_ENTRY_ADDR(_pa, _rgn) (BDPRT_ENTRY((_pa), (_rgn))) #define BDPRT_ENTRY_S(_pa, _rgn, _val) (*(__psunsigned_t *)BDPRT_ENTRY((_pa), (_rgn))=(_val)) #define BDPRT_ENTRY_L(_pa, _rgn) (*(__psunsigned_t *)BDPRT_ENTRY((_pa), (_rgn))) #define BDECC_ENTRY(_pa) ((HSPEC_BASE + \ NODE_ADDRSPACE_SIZE / 2) | \ UINT64_CAST(_pa) & NASID_MASK | \ UINT64_CAST(_pa) >> 2 & BDECC_UPPER_MASK | \ UINT64_CAST(_pa) >> 3 & 3) /* * Macro to convert a back door directory or protection address into the * raw physical address of the associated cache line or protection page. */ #define BDADDR_IS_DIR(_ba) ((UINT64_CAST (_ba) & 0x200) != 0) #define BDADDR_IS_PRT(_ba) ((UINT64_CAST (_ba) & 0x200) == 0) #define BDDIR_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \ (UINT64_CAST(_ba) & BDDIR_UPPER_MASK)<<2 | \ (UINT64_CAST(_ba) & 0x1f << 4) << 3) #define BDPRT_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \ (UINT64_CAST(_ba) & BDDIR_UPPER_MASK)<<2) #define BDECC_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \ (UINT64_CAST(_ba) & BDECC_UPPER_MASK)<<2 | \ (UINT64_CAST(_ba) & 3) << 3) #endif /* CONFIG_SGI_IP27 */ /* * The following macros produce the correct base virtual address for * the hub registers. The LOCAL_HUB_* macros produce the appropriate * address for the local registers. The REMOTE_HUB_* macro produce * the address for the specified hub's registers. The intent is * that the appropriate PI, MD, NI, or II register would be substituted * for _x. */ /* * WARNING: * When certain Hub chip workaround are defined, it's not sufficient * to dereference the *_HUB_ADDR() macros. You should instead use * HUB_L() and HUB_S() if you must deal with pointers to hub registers. * Otherwise, the recommended approach is to use *_HUB_L() and *_HUB_S(). * They're always safe. */ #define LOCAL_HUB_ADDR(_x) (IALIAS_BASE + (_x)) #define REMOTE_HUB_ADDR(_n, _x) ((NODE_SWIN_BASE(_n, 1) + 0x800000 + (_x))) #ifndef __ASSEMBLY__ #define LOCAL_HUB_PTR(_x) ((u64 *)LOCAL_HUB_ADDR((_x))) #define REMOTE_HUB_PTR(_n, _x) ((u64 *)REMOTE_HUB_ADDR((_n), (_x))) #define LOCAL_HUB_L(_r) __raw_readq(LOCAL_HUB_PTR(_r)) #define LOCAL_HUB_S(_r, _d) __raw_writeq((_d), LOCAL_HUB_PTR(_r)) #define REMOTE_HUB_L(_n, _r) __raw_readq(REMOTE_HUB_PTR((_n), (_r))) #define REMOTE_HUB_S(_n, _r, _d) __raw_writeq((_d), \ REMOTE_HUB_PTR((_n), (_r))) #endif /* !__ASSEMBLY__ */ /* * Software structure locations -- permanently fixed * See diagram in kldir.h */ #define PHYS_RAMBASE 0x0 #define K0_RAMBASE PHYS_TO_K0(PHYS_RAMBASE) #define EX_HANDLER_OFFSET(slice) ((slice) << 16) #define EX_HANDLER_ADDR(nasid, slice) \ PHYS_TO_K0(NODE_OFFSET(nasid) | EX_HANDLER_OFFSET(slice)) #define EX_HANDLER_SIZE 0x0400 #define EX_FRAME_OFFSET(slice) ((slice) << 16 | 0x400) #define EX_FRAME_ADDR(nasid, slice) \ PHYS_TO_K0(NODE_OFFSET(nasid) | EX_FRAME_OFFSET(slice)) #define EX_FRAME_SIZE 0x0c00 #define ARCS_SPB_OFFSET 0x1000 #define ARCS_SPB_ADDR(nasid) \ PHYS_TO_K0(NODE_OFFSET(nasid) | ARCS_SPB_OFFSET) #define ARCS_SPB_SIZE 0x0400 #define KLDIR_OFFSET 0x2000 #define KLDIR_ADDR(nasid) \ TO_NODE_UNCAC((nasid), KLDIR_OFFSET) #define KLDIR_SIZE 0x0400 /* * Software structure locations -- indirected through KLDIR * See diagram in kldir.h * * Important: All low memory structures must only be accessed * uncached, except for the symmon stacks. */ #define KLI_LAUNCH 0 /* Dir. entries */ #define KLI_KLCONFIG 1 #define KLI_NMI 2 #define KLI_GDA 3 #define KLI_FREEMEM 4 #define KLI_SYMMON_STK 5 #define KLI_PI_ERROR 6 #define KLI_KERN_VARS 7 #define KLI_KERN_XP 8 #define KLI_KERN_PARTID 9 #ifndef __ASSEMBLY__ #define KLD_BASE(nasid) ((kldir_ent_t *) KLDIR_ADDR(nasid)) #define KLD_LAUNCH(nasid) (KLD_BASE(nasid) + KLI_LAUNCH) #define KLD_NMI(nasid) (KLD_BASE(nasid) + KLI_NMI) #define KLD_KLCONFIG(nasid) (KLD_BASE(nasid) + KLI_KLCONFIG) #define KLD_PI_ERROR(nasid) (KLD_BASE(nasid) + KLI_PI_ERROR) #define KLD_GDA(nasid) (KLD_BASE(nasid) + KLI_GDA) #define KLD_SYMMON_STK(nasid) (KLD_BASE(nasid) + KLI_SYMMON_STK) #define KLD_FREEMEM(nasid) (KLD_BASE(nasid) + KLI_FREEMEM) #define KLD_KERN_VARS(nasid) (KLD_BASE(nasid) + KLI_KERN_VARS) #define KLD_KERN_XP(nasid) (KLD_BASE(nasid) + KLI_KERN_XP) #define KLD_KERN_PARTID(nasid) (KLD_BASE(nasid) + KLI_KERN_PARTID) #define LAUNCH_OFFSET(nasid, slice) \ (KLD_LAUNCH(nasid)->offset + \ KLD_LAUNCH(nasid)->stride * (slice)) #define LAUNCH_ADDR(nasid, slice) \ TO_NODE_UNCAC((nasid), LAUNCH_OFFSET(nasid, slice)) #define LAUNCH_SIZE(nasid) KLD_LAUNCH(nasid)->size #define SN_NMI_OFFSET(nasid, slice) \ (KLD_NMI(nasid)->offset + \ KLD_NMI(nasid)->stride * (slice)) #define NMI_ADDR(nasid, slice) \ TO_NODE_UNCAC((nasid), SN_NMI_OFFSET(nasid, slice)) #define NMI_SIZE(nasid) KLD_NMI(nasid)->size #define KLCONFIG_OFFSET(nasid) KLD_KLCONFIG(nasid)->offset #define KLCONFIG_ADDR(nasid) \ TO_NODE_UNCAC((nasid), KLCONFIG_OFFSET(nasid)) #define KLCONFIG_SIZE(nasid) KLD_KLCONFIG(nasid)->size #define GDA_ADDR(nasid) KLD_GDA(nasid)->pointer #define GDA_SIZE(nasid) KLD_GDA(nasid)->size #define SYMMON_STK_OFFSET(nasid, slice) \ (KLD_SYMMON_STK(nasid)->offset + \ KLD_SYMMON_STK(nasid)->stride * (slice)) #define SYMMON_STK_STRIDE(nasid) KLD_SYMMON_STK(nasid)->stride #define SYMMON_STK_ADDR(nasid, slice) \ TO_NODE_CAC((nasid), SYMMON_STK_OFFSET(nasid, slice)) #define SYMMON_STK_SIZE(nasid) KLD_SYMMON_STK(nasid)->stride #define SYMMON_STK_END(nasid) (SYMMON_STK_ADDR(nasid, 0) + KLD_SYMMON_STK(nasid)->size) #define NODE_OFFSET_TO_K0(_nasid, _off) \ PHYS_TO_K0((NODE_OFFSET(_nasid) + (_off)) | CAC_BASE) #define NODE_OFFSET_TO_K1(_nasid, _off) \ TO_UNCAC((NODE_OFFSET(_nasid) + (_off)) | UNCAC_BASE) #define KERN_VARS_ADDR(nasid) KLD_KERN_VARS(nasid)->pointer #define KERN_VARS_SIZE(nasid) KLD_KERN_VARS(nasid)->size #endif /* !__ASSEMBLY__ */ #endif /* _ASM_SN_ADDRS_H */ |