Loading...
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 | #ifndef __ALPHA_CIA__H__ #define __ALPHA_CIA__H__ /* Define to experiment with fitting everything into one 512MB HAE window. */ #define CIA_ONE_HAE_WINDOW 1 #include <linux/types.h> #include <asm/compiler.h> /* * CIA is the internal name for the 21171 chipset which provides * memory controller and PCI access for the 21164 chip based systems. * Also supported here is the 21172 (CIA-2) and 21174 (PYXIS). * * The lineage is a bit confused, since the 21174 was reportedly started * from the 21171 Pass 1 mask, and so is missing bug fixes that appear * in 21171 Pass 2 and 21172, but it also contains additional features. * * This file is based on: * * DECchip 21171 Core Logic Chipset * Technical Reference Manual * * EC-QE18B-TE * * david.rusling@reo.mts.dec.com Initial Version. * */ /* * CIA ADDRESS BIT DEFINITIONS * * 3333 3333 3322 2222 2222 1111 1111 11 * 9876 5432 1098 7654 3210 9876 5432 1098 7654 3210 * ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- * 1 000 * ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- * | |\| * | Byte Enable --+ | * | Transfer Length --+ * +-- IO space, not cached * * Byte Transfer * Enable Length Transfer Byte Address * adr<6:5> adr<4:3> Length Enable Adder * --------------------------------------------- * 00 00 Byte 1110 0x000 * 01 00 Byte 1101 0x020 * 10 00 Byte 1011 0x040 * 11 00 Byte 0111 0x060 * * 00 01 Word 1100 0x008 * 01 01 Word 1001 0x028 <= Not supported in this code. * 10 01 Word 0011 0x048 * * 00 10 Tribyte 1000 0x010 * 01 10 Tribyte 0001 0x030 * * 10 11 Longword 0000 0x058 * * Note that byte enables are asserted low. * */ #define CIA_MEM_R1_MASK 0x1fffffff /* SPARSE Mem region 1 mask is 29 bits */ #define CIA_MEM_R2_MASK 0x07ffffff /* SPARSE Mem region 2 mask is 27 bits */ #define CIA_MEM_R3_MASK 0x03ffffff /* SPARSE Mem region 3 mask is 26 bits */ /* * 21171-CA Control and Status Registers */ #define CIA_IOC_CIA_REV (IDENT_ADDR + 0x8740000080UL) # define CIA_REV_MASK 0xff #define CIA_IOC_PCI_LAT (IDENT_ADDR + 0x87400000C0UL) #define CIA_IOC_CIA_CTRL (IDENT_ADDR + 0x8740000100UL) # define CIA_CTRL_PCI_EN (1 << 0) # define CIA_CTRL_PCI_LOCK_EN (1 << 1) # define CIA_CTRL_PCI_LOOP_EN (1 << 2) # define CIA_CTRL_FST_BB_EN (1 << 3) # define CIA_CTRL_PCI_MST_EN (1 << 4) # define CIA_CTRL_PCI_MEM_EN (1 << 5) # define CIA_CTRL_PCI_REQ64_EN (1 << 6) # define CIA_CTRL_PCI_ACK64_EN (1 << 7) # define CIA_CTRL_ADDR_PE_EN (1 << 8) # define CIA_CTRL_PERR_EN (1 << 9) # define CIA_CTRL_FILL_ERR_EN (1 << 10) # define CIA_CTRL_MCHK_ERR_EN (1 << 11) # define CIA_CTRL_ECC_CHK_EN (1 << 12) # define CIA_CTRL_ASSERT_IDLE_BC (1 << 13) # define CIA_CTRL_COM_IDLE_BC (1 << 14) # define CIA_CTRL_CSR_IOA_BYPASS (1 << 15) # define CIA_CTRL_IO_FLUSHREQ_EN (1 << 16) # define CIA_CTRL_CPU_FLUSHREQ_EN (1 << 17) # define CIA_CTRL_ARB_CPU_EN (1 << 18) # define CIA_CTRL_EN_ARB_LINK (1 << 19) # define CIA_CTRL_RD_TYPE_SHIFT 20 # define CIA_CTRL_RL_TYPE_SHIFT 24 # define CIA_CTRL_RM_TYPE_SHIFT 28 # define CIA_CTRL_EN_DMA_RD_PERF (1 << 31) #define CIA_IOC_CIA_CNFG (IDENT_ADDR + 0x8740000140UL) # define CIA_CNFG_IOA_BWEN (1 << 0) # define CIA_CNFG_PCI_MWEN (1 << 4) # define CIA_CNFG_PCI_DWEN (1 << 5) # define CIA_CNFG_PCI_WLEN (1 << 8) #define CIA_IOC_FLASH_CTRL (IDENT_ADDR + 0x8740000200UL) #define CIA_IOC_HAE_MEM (IDENT_ADDR + 0x8740000400UL) #define CIA_IOC_HAE_IO (IDENT_ADDR + 0x8740000440UL) #define CIA_IOC_CFG (IDENT_ADDR + 0x8740000480UL) #define CIA_IOC_CACK_EN (IDENT_ADDR + 0x8740000600UL) # define CIA_CACK_EN_LOCK_EN (1 << 0) # define CIA_CACK_EN_MB_EN (1 << 1) # define CIA_CACK_EN_SET_DIRTY_EN (1 << 2) # define CIA_CACK_EN_BC_VICTIM_EN (1 << 3) /* * 21171-CA Diagnostic Registers */ #define CIA_IOC_CIA_DIAG (IDENT_ADDR + 0x8740002000UL) #define CIA_IOC_DIAG_CHECK (IDENT_ADDR + 0x8740003000UL) /* * 21171-CA Performance Monitor registers */ #define CIA_IOC_PERF_MONITOR (IDENT_ADDR + 0x8740004000UL) #define CIA_IOC_PERF_CONTROL (IDENT_ADDR + 0x8740004040UL) /* * 21171-CA Error registers */ #define CIA_IOC_CPU_ERR0 (IDENT_ADDR + 0x8740008000UL) #define CIA_IOC_CPU_ERR1 (IDENT_ADDR + 0x8740008040UL) #define CIA_IOC_CIA_ERR (IDENT_ADDR + 0x8740008200UL) # define CIA_ERR_COR_ERR (1 << 0) # define CIA_ERR_UN_COR_ERR (1 << 1) # define CIA_ERR_CPU_PE (1 << 2) # define CIA_ERR_MEM_NEM (1 << 3) # define CIA_ERR_PCI_SERR (1 << 4) # define CIA_ERR_PERR (1 << 5) # define CIA_ERR_PCI_ADDR_PE (1 << 6) # define CIA_ERR_RCVD_MAS_ABT (1 << 7) # define CIA_ERR_RCVD_TAR_ABT (1 << 8) # define CIA_ERR_PA_PTE_INV (1 << 9) # define CIA_ERR_FROM_WRT_ERR (1 << 10) # define CIA_ERR_IOA_TIMEOUT (1 << 11) # define CIA_ERR_LOST_CORR_ERR (1 << 16) # define CIA_ERR_LOST_UN_CORR_ERR (1 << 17) # define CIA_ERR_LOST_CPU_PE (1 << 18) # define CIA_ERR_LOST_MEM_NEM (1 << 19) # define CIA_ERR_LOST_PERR (1 << 21) # define CIA_ERR_LOST_PCI_ADDR_PE (1 << 22) # define CIA_ERR_LOST_RCVD_MAS_ABT (1 << 23) # define CIA_ERR_LOST_RCVD_TAR_ABT (1 << 24) # define CIA_ERR_LOST_PA_PTE_INV (1 << 25) # define CIA_ERR_LOST_FROM_WRT_ERR (1 << 26) # define CIA_ERR_LOST_IOA_TIMEOUT (1 << 27) # define CIA_ERR_VALID (1 << 31) #define CIA_IOC_CIA_STAT (IDENT_ADDR + 0x8740008240UL) #define CIA_IOC_ERR_MASK (IDENT_ADDR + 0x8740008280UL) #define CIA_IOC_CIA_SYN (IDENT_ADDR + 0x8740008300UL) #define CIA_IOC_MEM_ERR0 (IDENT_ADDR + 0x8740008400UL) #define CIA_IOC_MEM_ERR1 (IDENT_ADDR + 0x8740008440UL) #define CIA_IOC_PCI_ERR0 (IDENT_ADDR + 0x8740008800UL) #define CIA_IOC_PCI_ERR1 (IDENT_ADDR + 0x8740008840UL) #define CIA_IOC_PCI_ERR3 (IDENT_ADDR + 0x8740008880UL) /* * 21171-CA System configuration registers */ #define CIA_IOC_MCR (IDENT_ADDR + 0x8750000000UL) #define CIA_IOC_MBA0 (IDENT_ADDR + 0x8750000600UL) #define CIA_IOC_MBA2 (IDENT_ADDR + 0x8750000680UL) #define CIA_IOC_MBA4 (IDENT_ADDR + 0x8750000700UL) #define CIA_IOC_MBA6 (IDENT_ADDR + 0x8750000780UL) #define CIA_IOC_MBA8 (IDENT_ADDR + 0x8750000800UL) #define CIA_IOC_MBAA (IDENT_ADDR + 0x8750000880UL) #define CIA_IOC_MBAC (IDENT_ADDR + 0x8750000900UL) #define CIA_IOC_MBAE (IDENT_ADDR + 0x8750000980UL) #define CIA_IOC_TMG0 (IDENT_ADDR + 0x8750000B00UL) #define CIA_IOC_TMG1 (IDENT_ADDR + 0x8750000B40UL) #define CIA_IOC_TMG2 (IDENT_ADDR + 0x8750000B80UL) /* * 2117A-CA PCI Address and Scatter-Gather Registers. */ #define CIA_IOC_PCI_TBIA (IDENT_ADDR + 0x8760000100UL) #define CIA_IOC_PCI_W0_BASE (IDENT_ADDR + 0x8760000400UL) #define CIA_IOC_PCI_W0_MASK (IDENT_ADDR + 0x8760000440UL) #define CIA_IOC_PCI_T0_BASE (IDENT_ADDR + 0x8760000480UL) #define CIA_IOC_PCI_W1_BASE (IDENT_ADDR + 0x8760000500UL) #define CIA_IOC_PCI_W1_MASK (IDENT_ADDR + 0x8760000540UL) #define CIA_IOC_PCI_T1_BASE (IDENT_ADDR + 0x8760000580UL) #define CIA_IOC_PCI_W2_BASE (IDENT_ADDR + 0x8760000600UL) #define CIA_IOC_PCI_W2_MASK (IDENT_ADDR + 0x8760000640UL) #define CIA_IOC_PCI_T2_BASE (IDENT_ADDR + 0x8760000680UL) #define CIA_IOC_PCI_W3_BASE (IDENT_ADDR + 0x8760000700UL) #define CIA_IOC_PCI_W3_MASK (IDENT_ADDR + 0x8760000740UL) #define CIA_IOC_PCI_T3_BASE (IDENT_ADDR + 0x8760000780UL) #define CIA_IOC_PCI_Wn_BASE(N) (IDENT_ADDR + 0x8760000400UL + (N)*0x100) #define CIA_IOC_PCI_Wn_MASK(N) (IDENT_ADDR + 0x8760000440UL + (N)*0x100) #define CIA_IOC_PCI_Tn_BASE(N) (IDENT_ADDR + 0x8760000480UL + (N)*0x100) #define CIA_IOC_PCI_W_DAC (IDENT_ADDR + 0x87600007C0UL) /* * 2117A-CA Address Translation Registers. */ /* 8 tag registers, the first 4 of which are lockable. */ #define CIA_IOC_TB_TAGn(n) \ (IDENT_ADDR + 0x8760000800UL + (n)*0x40) /* 4 page registers per tag register. */ #define CIA_IOC_TBn_PAGEm(n,m) \ (IDENT_ADDR + 0x8760001000UL + (n)*0x100 + (m)*0x40) /* * Memory spaces: */ #define CIA_IACK_SC (IDENT_ADDR + 0x8720000000UL) #define CIA_CONF (IDENT_ADDR + 0x8700000000UL) #define CIA_IO (IDENT_ADDR + 0x8580000000UL) #define CIA_SPARSE_MEM (IDENT_ADDR + 0x8000000000UL) #define CIA_SPARSE_MEM_R2 (IDENT_ADDR + 0x8400000000UL) #define CIA_SPARSE_MEM_R3 (IDENT_ADDR + 0x8500000000UL) #define CIA_DENSE_MEM (IDENT_ADDR + 0x8600000000UL) #define CIA_BW_MEM (IDENT_ADDR + 0x8800000000UL) #define CIA_BW_IO (IDENT_ADDR + 0x8900000000UL) #define CIA_BW_CFG_0 (IDENT_ADDR + 0x8a00000000UL) #define CIA_BW_CFG_1 (IDENT_ADDR + 0x8b00000000UL) /* * ALCOR's GRU ASIC registers */ #define GRU_INT_REQ (IDENT_ADDR + 0x8780000000UL) #define GRU_INT_MASK (IDENT_ADDR + 0x8780000040UL) #define GRU_INT_EDGE (IDENT_ADDR + 0x8780000080UL) #define GRU_INT_HILO (IDENT_ADDR + 0x87800000C0UL) #define GRU_INT_CLEAR (IDENT_ADDR + 0x8780000100UL) #define GRU_CACHE_CNFG (IDENT_ADDR + 0x8780000200UL) #define GRU_SCR (IDENT_ADDR + 0x8780000300UL) #define GRU_LED (IDENT_ADDR + 0x8780000800UL) #define GRU_RESET (IDENT_ADDR + 0x8780000900UL) #define ALCOR_GRU_INT_REQ_BITS 0x800fffffUL #define XLT_GRU_INT_REQ_BITS 0x80003fffUL #define GRU_INT_REQ_BITS (alpha_mv.sys.cia.gru_int_req_bits+0) /* * PYXIS interrupt control registers */ #define PYXIS_INT_REQ (IDENT_ADDR + 0x87A0000000UL) #define PYXIS_INT_MASK (IDENT_ADDR + 0x87A0000040UL) #define PYXIS_INT_HILO (IDENT_ADDR + 0x87A00000C0UL) #define PYXIS_INT_ROUTE (IDENT_ADDR + 0x87A0000140UL) #define PYXIS_GPO (IDENT_ADDR + 0x87A0000180UL) #define PYXIS_INT_CNFG (IDENT_ADDR + 0x87A00001C0UL) #define PYXIS_RT_COUNT (IDENT_ADDR + 0x87A0000200UL) #define PYXIS_INT_TIME (IDENT_ADDR + 0x87A0000240UL) #define PYXIS_IIC_CTRL (IDENT_ADDR + 0x87A00002C0UL) #define PYXIS_RESET (IDENT_ADDR + 0x8780000900UL) /* Offset between ram physical addresses and pci64 DAC bus addresses. */ #define PYXIS_DAC_OFFSET (1UL << 40) /* * Data structure for handling CIA machine checks. */ /* System-specific info. */ struct el_CIA_sysdata_mcheck { unsigned long cpu_err0; unsigned long cpu_err1; unsigned long cia_err; unsigned long cia_stat; unsigned long err_mask; unsigned long cia_syn; unsigned long mem_err0; unsigned long mem_err1; unsigned long pci_err0; unsigned long pci_err1; unsigned long pci_err2; }; #ifdef __KERNEL__ #ifndef __EXTERN_INLINE /* Do not touch, this should *NOT* be static inline */ #define __EXTERN_INLINE extern inline #define __IO_EXTERN_INLINE #endif /* * I/O functions: * * CIA (the 2117x PCI/memory support chipset for the EV5 (21164) * series of processors uses a sparse address mapping scheme to * get at PCI memory and I/O. */ /* * Memory functions. 64-bit and 32-bit accesses are done through * dense memory space, everything else through sparse space. * * For reading and writing 8 and 16 bit quantities we need to * go through one of the three sparse address mapping regions * and use the HAE_MEM CSR to provide some bits of the address. * The following few routines use only sparse address region 1 * which gives 1Gbyte of accessible space which relates exactly * to the amount of PCI memory mapping *into* system address space. * See p 6-17 of the specification but it looks something like this: * * 21164 Address: * * 3 2 1 * 9876543210987654321098765432109876543210 * 1ZZZZ0.PCI.QW.Address............BBLL * * ZZ = SBZ * BB = Byte offset * LL = Transfer length * * PCI Address: * * 3 2 1 * 10987654321098765432109876543210 * HHH....PCI.QW.Address........ 00 * * HHH = 31:29 HAE_MEM CSR * */ #define vip volatile int __force * #define vuip volatile unsigned int __force * #define vulp volatile unsigned long __force * __EXTERN_INLINE unsigned int cia_ioread8(void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; unsigned long result, base_and_type; if (addr >= CIA_DENSE_MEM) base_and_type = CIA_SPARSE_MEM + 0x00; else base_and_type = CIA_IO + 0x00; /* We can use CIA_MEM_R1_MASK for io ports too, since it is large enough to cover all io ports, and smaller than CIA_IO. */ addr &= CIA_MEM_R1_MASK; result = *(vip) ((addr << 5) + base_and_type); return __kernel_extbl(result, addr & 3); } __EXTERN_INLINE void cia_iowrite8(u8 b, void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; unsigned long w, base_and_type; if (addr >= CIA_DENSE_MEM) base_and_type = CIA_SPARSE_MEM + 0x00; else base_and_type = CIA_IO + 0x00; addr &= CIA_MEM_R1_MASK; w = __kernel_insbl(b, addr & 3); *(vuip) ((addr << 5) + base_and_type) = w; } __EXTERN_INLINE unsigned int cia_ioread16(void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; unsigned long result, base_and_type; if (addr >= CIA_DENSE_MEM) base_and_type = CIA_SPARSE_MEM + 0x08; else base_and_type = CIA_IO + 0x08; addr &= CIA_MEM_R1_MASK; result = *(vip) ((addr << 5) + base_and_type); return __kernel_extwl(result, addr & 3); } __EXTERN_INLINE void cia_iowrite16(u16 b, void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; unsigned long w, base_and_type; if (addr >= CIA_DENSE_MEM) base_and_type = CIA_SPARSE_MEM + 0x08; else base_and_type = CIA_IO + 0x08; addr &= CIA_MEM_R1_MASK; w = __kernel_inswl(b, addr & 3); *(vuip) ((addr << 5) + base_and_type) = w; } __EXTERN_INLINE unsigned int cia_ioread32(void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; if (addr < CIA_DENSE_MEM) addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18; return *(vuip)addr; } __EXTERN_INLINE void cia_iowrite32(u32 b, void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; if (addr < CIA_DENSE_MEM) addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18; *(vuip)addr = b; } __EXTERN_INLINE void __iomem *cia_ioportmap(unsigned long addr) { return (void __iomem *)(addr + CIA_IO); } __EXTERN_INLINE void __iomem *cia_ioremap(unsigned long addr, unsigned long size) { return (void __iomem *)(addr + CIA_DENSE_MEM); } __EXTERN_INLINE int cia_is_ioaddr(unsigned long addr) { return addr >= IDENT_ADDR + 0x8000000000UL; } __EXTERN_INLINE int cia_is_mmio(const volatile void __iomem *addr) { return (unsigned long)addr >= CIA_DENSE_MEM; } __EXTERN_INLINE void __iomem *cia_bwx_ioportmap(unsigned long addr) { return (void __iomem *)(addr + CIA_BW_IO); } __EXTERN_INLINE void __iomem *cia_bwx_ioremap(unsigned long addr, unsigned long size) { return (void __iomem *)(addr + CIA_BW_MEM); } __EXTERN_INLINE int cia_bwx_is_ioaddr(unsigned long addr) { return addr >= IDENT_ADDR + 0x8000000000UL; } __EXTERN_INLINE int cia_bwx_is_mmio(const volatile void __iomem *addr) { return (unsigned long)addr < CIA_BW_IO; } #undef vip #undef vuip #undef vulp #undef __IO_PREFIX #define __IO_PREFIX cia #define cia_trivial_rw_bw 2 #define cia_trivial_rw_lq 1 #define cia_trivial_io_bw 0 #define cia_trivial_io_lq 0 #define cia_trivial_iounmap 1 #include <asm/io_trivial.h> #undef __IO_PREFIX #define __IO_PREFIX cia_bwx #define cia_bwx_trivial_rw_bw 1 #define cia_bwx_trivial_rw_lq 1 #define cia_bwx_trivial_io_bw 1 #define cia_bwx_trivial_io_lq 1 #define cia_bwx_trivial_iounmap 1 #include <asm/io_trivial.h> #undef __IO_PREFIX #ifdef CONFIG_ALPHA_PYXIS #define __IO_PREFIX cia_bwx #else #define __IO_PREFIX cia #endif #ifdef __IO_EXTERN_INLINE #undef __EXTERN_INLINE #undef __IO_EXTERN_INLINE #endif #endif /* __KERNEL__ */ #endif /* __ALPHA_CIA__H__ */ |