1/* 2 * This program is free software; you can redistribute it and/or modify it 3 * under the terms of the GNU General Public License as published by the 4 * Free Software Foundation; either version 2 of the License, or (at your 5 * option) any later version. 6 * 7 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 8 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 10 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 11 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 12 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 13 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 14 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 15 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 16 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 17 * 18 * You should have received a copy of the GNU General Public License along 19 * with this program; if not, write to the Free Software Foundation, Inc., 20 * 675 Mass Ave, Cambridge, MA 02139, USA. 21 * 22 * Copyright 2004 IDT Inc. (rischelp@idt.com) 23 * 24 * Initial Release 25 */ 26 27#ifndef _ASM_RC32434_PCI_H_ 28#define _ASM_RC32434_PCI_H_ 29 30#define epld_mask ((volatile unsigned char *)0xB900000d) 31 32#define PCI0_BASE_ADDR 0x18080000 33#define PCI_LBA_COUNT 4 34 35struct pci_map { 36 u32 address; /* Address. */ 37 u32 control; /* Control. */ 38 u32 mapping; /* mapping. */ 39}; 40 41struct pci_reg { 42 u32 pcic; 43 u32 pcis; 44 u32 pcism; 45 u32 pcicfga; 46 u32 pcicfgd; 47 volatile struct pci_map pcilba[PCI_LBA_COUNT]; 48 u32 pcidac; 49 u32 pcidas; 50 u32 pcidasm; 51 u32 pcidad; 52 u32 pcidma8c; 53 u32 pcidma9c; 54 u32 pcitc; 55}; 56 57#define PCI_MSU_COUNT 2 58 59struct pci_msu { 60 u32 pciim[PCI_MSU_COUNT]; 61 u32 pciom[PCI_MSU_COUNT]; 62 u32 pciid; 63 u32 pciiic; 64 u32 pciiim; 65 u32 pciiod; 66 u32 pciioic; 67 u32 pciioim; 68}; 69 70/* 71 * PCI Control Register 72 */ 73 74#define PCI_CTL_EN (1 << 0) 75#define PCI_CTL_TNR (1 << 1) 76#define PCI_CTL_SCE (1 << 2) 77#define PCI_CTL_IEN (1 << 3) 78#define PCI_CTL_AAA (1 << 4) 79#define PCI_CTL_EAP (1 << 5) 80#define PCI_CTL_PCIM_BIT 6 81#define PCI_CTL_PCIM 0x000001c0 82 83#define PCI_CTL_PCIM_DIS 0 84#define PCI_CTL_PCIM_TNR 1 /* Satellite - target not ready */ 85#define PCI_CTL_PCIM_SUS 2 /* Satellite - suspended CPU. */ 86#define PCI_CTL_PCIM_EXT 3 /* Host - external arbiter. */ 87#define PCI_CTL PCIM_PRIO 4 /* Host - fixed priority arb. */ 88#define PCI_CTL_PCIM_RR 5 /* Host - round robin priority. */ 89#define PCI_CTL_PCIM_RSVD6 6 90#define PCI_CTL_PCIM_RSVD7 7 91 92#define PCI_CTL_IGM (1 << 9) 93 94/* 95 * PCI Status Register 96 */ 97 98#define PCI_STAT_EED (1 << 0) 99#define PCI_STAT_WR (1 << 1) 100#define PCI_STAT_NMI (1 << 2) 101#define PCI_STAT_II (1 << 3) 102#define PCI_STAT_CWE (1 << 4) 103#define PCI_STAT_CRE (1 << 5) 104#define PCI_STAT_MDPE (1 << 6) 105#define PCI_STAT_STA (1 << 7) 106#define PCI_STAT_RTA (1 << 8) 107#define PCI_STAT_RMA (1 << 9) 108#define PCI_STAT_SSE (1 << 10) 109#define PCI_STAT_OSE (1 << 11) 110#define PCI_STAT_PE (1 << 12) 111#define PCI_STAT_TAE (1 << 13) 112#define PCI_STAT_RLE (1 << 14) 113#define PCI_STAT_BME (1 << 15) 114#define PCI_STAT_PRD (1 << 16) 115#define PCI_STAT_RIP (1 << 17) 116 117/* 118 * PCI Status Mask Register 119 */ 120 121#define PCI_STATM_EED PCI_STAT_EED 122#define PCI_STATM_WR PCI_STAT_WR 123#define PCI_STATM_NMI PCI_STAT_NMI 124#define PCI_STATM_II PCI_STAT_II 125#define PCI_STATM_CWE PCI_STAT_CWE 126#define PCI_STATM_CRE PCI_STAT_CRE 127#define PCI_STATM_MDPE PCI_STAT_MDPE 128#define PCI_STATM_STA PCI_STAT_STA 129#define PCI_STATM_RTA PCI_STAT_RTA 130#define PCI_STATM_RMA PCI_STAT_RMA 131#define PCI_STATM_SSE PCI_STAT_SSE 132#define PCI_STATM_OSE PCI_STAT_OSE 133#define PCI_STATM_PE PCI_STAT_PE 134#define PCI_STATM_TAE PCI_STAT_TAE 135#define PCI_STATM_RLE PCI_STAT_RLE 136#define PCI_STATM_BME PCI_STAT_BME 137#define PCI_STATM_PRD PCI_STAT_PRD 138#define PCI_STATM_RIP PCI_STAT_RIP 139 140/* 141 * PCI Configuration Address Register 142 */ 143#define PCI_CFGA_REG_BIT 2 144#define PCI_CFGA_REG 0x000000fc 145#define PCI_CFGA_REG_ID (0x00 >> 2) /* use PCFGID */ 146#define PCI_CFGA_REG_04 (0x04 >> 2) /* use PCFG04_ */ 147#define PCI_CFGA_REG_08 (0x08 >> 2) /* use PCFG08_ */ 148#define PCI_CFGA_REG_0C (0x0C >> 2) /* use PCFG0C_ */ 149#define PCI_CFGA_REG_PBA0 (0x10 >> 2) /* use PCIPBA_ */ 150#define PCI_CFGA_REG_PBA1 (0x14 >> 2) /* use PCIPBA_ */ 151#define PCI_CFGA_REG_PBA2 (0x18 >> 2) /* use PCIPBA_ */ 152#define PCI_CFGA_REG_PBA3 (0x1c >> 2) /* use PCIPBA_ */ 153#define PCI_CFGA_REG_SUBSYS (0x2c >> 2) /* use PCFGSS_ */ 154#define PCI_CFGA_REG_3C (0x3C >> 2) /* use PCFG3C_ */ 155#define PCI_CFGA_REG_PBBA0C (0x44 >> 2) /* use PCIPBAC_ */ 156#define PCI_CFGA_REG_PBA0M (0x48 >> 2) 157#define PCI_CFGA_REG_PBA1C (0x4c >> 2) /* use PCIPBAC_ */ 158#define PCI_CFGA_REG_PBA1M (0x50 >> 2) 159#define PCI_CFGA_REG_PBA2C (0x54 >> 2) /* use PCIPBAC_ */ 160#define PCI_CFGA_REG_PBA2M (0x58 >> 2) 161#define PCI_CFGA_REG_PBA3C (0x5c >> 2) /* use PCIPBAC_ */ 162#define PCI_CFGA_REG_PBA3M (0x60 >> 2) 163#define PCI_CFGA_REG_PMGT (0x64 >> 2) 164#define PCI_CFGA_FUNC_BIT 8 165#define PCI_CFGA_FUNC 0x00000700 166#define PCI_CFGA_DEV_BIT 11 167#define PCI_CFGA_DEV 0x0000f800 168#define PCI_CFGA_DEV_INTERN 0 169#define PCI_CFGA_BUS_BIT 16 170#define PCI CFGA_BUS 0x00ff0000 171#define PCI_CFGA_BUS_TYPE0 0 172#define PCI_CFGA_EN (1 << 31) 173 174/* PCI CFG04 commands */ 175#define PCI_CFG04_CMD_IO_ENA (1 << 0) 176#define PCI_CFG04_CMD_MEM_ENA (1 << 1) 177#define PCI_CFG04_CMD_BM_ENA (1 << 2) 178#define PCI_CFG04_CMD_MW_INV (1 << 4) 179#define PCI_CFG04_CMD_PAR_ENA (1 << 6) 180#define PCI_CFG04_CMD_SER_ENA (1 << 8) 181#define PCI_CFG04_CMD_FAST_ENA (1 << 9) 182 183/* PCI CFG04 status fields */ 184#define PCI_CFG04_STAT_BIT 16 185#define PCI_CFG04_STAT 0xffff0000 186#define PCI_CFG04_STAT_66_MHZ (1 << 21) 187#define PCI_CFG04_STAT_FBB (1 << 23) 188#define PCI_CFG04_STAT_MDPE (1 << 24) 189#define PCI_CFG04_STAT_DST (1 << 25) 190#define PCI_CFG04_STAT_STA (1 << 27) 191#define PCI_CFG04_STAT_RTA (1 << 28) 192#define PCI_CFG04_STAT_RMA (1 << 29) 193#define PCI_CFG04_STAT_SSE (1 << 30) 194#define PCI_CFG04_STAT_PE (1 << 31) 195 196#define PCI_PBA_MSI (1 << 0) 197#define PCI_PBA_P (1 << 2) 198 199/* PCI PBAC registers */ 200#define PCI_PBAC_MSI (1 << 0) 201#define PCI_PBAC_P (1 << 1) 202#define PCI_PBAC_SIZE_BIT 2 203#define PCI_PBAC_SIZE 0x0000007c 204#define PCI_PBAC_SB (1 << 7) 205#define PCI_PBAC_PP (1 << 8) 206#define PCI_PBAC_MR_BIT 9 207#define PCI_PBAC_MR 0x00000600 208#define PCI_PBAC_MR_RD 0 209#define PCI_PBAC_MR_RD_LINE 1 210#define PCI_PBAC_MR_RD_MULT 2 211#define PCI_PBAC_MRL (1 << 11) 212#define PCI_PBAC_MRM (1 << 12) 213#define PCI_PBAC_TRP (1 << 13) 214 215#define PCI_CFG40_TRDY_TIM 0x000000ff 216#define PCI_CFG40_RET_LIM 0x0000ff00 217 218/* 219 * PCI Local Base Address [0|1|2|3] Register 220 */ 221 222#define PCI_LBA_BADDR_BIT 0 223#define PCI_LBA_BADDR 0xffffff00 224 225/* 226 * PCI Local Base Address Control Register 227 */ 228 229#define PCI_LBAC_MSI (1 << 0) 230#define PCI_LBAC_MSI_MEM 0 231#define PCI_LBAC_MSI_IO 1 232#define PCI_LBAC_SIZE_BIT 2 233#define PCI_LBAC_SIZE 0x0000007c 234#define PCI_LBAC_SB (1 << 7) 235#define PCI_LBAC_RT (1 << 8) 236#define PCI_LBAC_RT_NO_PREF 0 237#define PCI_LBAC_RT_PREF 1 238 239/* 240 * PCI Local Base Address [0|1|2|3] Mapping Register 241 */ 242#define PCI_LBAM_MADDR_BIT 8 243#define PCI_LBAM_MADDR 0xffffff00 244 245/* 246 * PCI Decoupled Access Control Register 247 */ 248#define PCI_DAC_DEN (1 << 0) 249 250/* 251 * PCI Decoupled Access Status Register 252 */ 253#define PCI_DAS_D (1 << 0) 254#define PCI_DAS_B (1 << 1) 255#define PCI_DAS_E (1 << 2) 256#define PCI_DAS_OFE (1 << 3) 257#define PCI_DAS_OFF (1 << 4) 258#define PCI_DAS_IFE (1 << 5) 259#define PCI_DAS_IFF (1 << 6) 260 261/* 262 * PCI DMA Channel 8 Configuration Register 263 */ 264#define PCI_DMA8C_MBS_BIT 0 265#define PCI_DMA8C_MBS 0x00000fff /* Maximum Burst Size. */ 266#define PCI_DMA8C_OUR (1 << 12) 267 268/* 269 * PCI DMA Channel 9 Configuration Register 270 */ 271#define PCI_DMA9C_MBS_BIT 0 /* Maximum Burst Size. */ 272#define PCI_DMA9C_MBS 0x00000fff 273 274/* 275 * PCI to Memory(DMA Channel 8) AND Memory to PCI DMA(DMA Channel 9)Descriptors 276 */ 277 278#define PCI_DMAD_PT_BIT 22 /* in DEVCMD field (descriptor) */ 279#define PCI_DMAD_PT 0x00c00000 /* preferred transaction field */ 280/* These are for reads (DMA channel 8) */ 281#define PCI_DMAD_DEVCMD_MR 0 /* memory read */ 282#define PCI_DMAD_DEVCMD_MRL 1 /* memory read line */ 283#define PCI_DMAD_DEVCMD_MRM 2 /* memory read multiple */ 284#define PCI_DMAD_DEVCMD_IOR 3 /* I/O read */ 285/* These are for writes (DMA channel 9) */ 286#define PCI_DMAD_DEVCMD_MW 0 /* memory write */ 287#define PCI_DMAD_DEVCMD_MWI 1 /* memory write invalidate */ 288#define PCI_DMAD_DEVCMD_IOW 3 /* I/O write */ 289 290/* Swap byte field applies to both DMA channel 8 and 9 */ 291#define PCI_DMAD_SB (1 << 24) /* swap byte field */ 292 293 294/* 295 * PCI Target Control Register 296 */ 297 298#define PCI_TC_RTIMER_BIT 0 299#define PCI_TC_RTIMER 0x000000ff 300#define PCI_TC_DTIMER_BIT 8 301#define PCI_TC_DTIMER 0x0000ff00 302#define PCI_TC_RDR (1 << 18) 303#define PCI_TC_DDT (1 << 19) 304 305/* 306 * PCI messaging unit [applies to both inbound and outbound registers ] 307 */ 308#define PCI_MSU_M0 (1 << 0) 309#define PCI_MSU_M1 (1 << 1) 310#define PCI_MSU_DB (1 << 2) 311 312#define PCI_MSG_ADDR 0xB8088010 313#define PCI0_ADDR 0xB8080000 314#define rc32434_pci ((struct pci_reg *) PCI0_ADDR) 315#define rc32434_pci_msg ((struct pci_msu *) PCI_MSG_ADDR) 316 317#define PCIM_SHFT 0x6 318#define PCIM_BIT_LEN 0x7 319#define PCIM_H_EA 0x3 320#define PCIM_H_IA_FIX 0x4 321#define PCIM_H_IA_RR 0x5 322 323#define PCI_ADDR_START 0x50000000 324 325#define CPUTOPCI_MEM_WIN 0x02000000 326#define CPUTOPCI_IO_WIN 0x00100000 327#define PCILBA_SIZE_SHFT 2 328#define PCILBA_SIZE_MASK 0x1F 329#define SIZE_256MB 0x1C 330#define SIZE_128MB 0x1B 331#define SIZE_64MB 0x1A 332#define SIZE_32MB 0x19 333#define SIZE_16MB 0x18 334#define SIZE_4MB 0x16 335#define SIZE_2MB 0x15 336#define SIZE_1MB 0x14 337#define KORINA_CONFIG0_ADDR 0x80000000 338#define KORINA_CONFIG1_ADDR 0x80000004 339#define KORINA_CONFIG2_ADDR 0x80000008 340#define KORINA_CONFIG3_ADDR 0x8000000C 341#define KORINA_CONFIG4_ADDR 0x80000010 342#define KORINA_CONFIG5_ADDR 0x80000014 343#define KORINA_CONFIG6_ADDR 0x80000018 344#define KORINA_CONFIG7_ADDR 0x8000001C 345#define KORINA_CONFIG8_ADDR 0x80000020 346#define KORINA_CONFIG9_ADDR 0x80000024 347#define KORINA_CONFIG10_ADDR 0x80000028 348#define KORINA_CONFIG11_ADDR 0x8000002C 349#define KORINA_CONFIG12_ADDR 0x80000030 350#define KORINA_CONFIG13_ADDR 0x80000034 351#define KORINA_CONFIG14_ADDR 0x80000038 352#define KORINA_CONFIG15_ADDR 0x8000003C 353#define KORINA_CONFIG16_ADDR 0x80000040 354#define KORINA_CONFIG17_ADDR 0x80000044 355#define KORINA_CONFIG18_ADDR 0x80000048 356#define KORINA_CONFIG19_ADDR 0x8000004C 357#define KORINA_CONFIG20_ADDR 0x80000050 358#define KORINA_CONFIG21_ADDR 0x80000054 359#define KORINA_CONFIG22_ADDR 0x80000058 360#define KORINA_CONFIG23_ADDR 0x8000005C 361#define KORINA_CONFIG24_ADDR 0x80000060 362#define KORINA_CONFIG25_ADDR 0x80000064 363#define KORINA_CMD (PCI_CFG04_CMD_IO_ENA | \ 364 PCI_CFG04_CMD_MEM_ENA | \ 365 PCI_CFG04_CMD_BM_ENA | \ 366 PCI_CFG04_CMD_MW_INV | \ 367 PCI_CFG04_CMD_PAR_ENA | \ 368 PCI_CFG04_CMD_SER_ENA) 369 370#define KORINA_STAT (PCI_CFG04_STAT_MDPE | \ 371 PCI_CFG04_STAT_STA | \ 372 PCI_CFG04_STAT_RTA | \ 373 PCI_CFG04_STAT_RMA | \ 374 PCI_CFG04_STAT_SSE | \ 375 PCI_CFG04_STAT_PE) 376 377#define KORINA_CNFG1 (KORINA_STAT | KORINA_CMD) 378 379#define KORINA_REVID 0 380#define KORINA_CLASS_CODE 0 381#define KORINA_CNFG2 ((KORINA_CLASS_CODE<<8) | \ 382 KORINA_REVID) 383 384#define KORINA_CACHE_LINE_SIZE 4 385#define KORINA_MASTER_LAT 0x3c 386#define KORINA_HEADER_TYPE 0 387#define KORINA_BIST 0 388 389#define KORINA_CNFG3 ((KORINA_BIST << 24) | \ 390 (KORINA_HEADER_TYPE<<16) | \ 391 (KORINA_MASTER_LAT<<8) | \ 392 KORINA_CACHE_LINE_SIZE) 393 394#define KORINA_BAR0 0x00000008 /* 128 MB Memory */ 395#define KORINA_BAR1 0x18800001 /* 1 MB IO */ 396#define KORINA_BAR2 0x18000001 /* 2 MB IO window for Korina 397 internal Registers */ 398#define KORINA_BAR3 0x48000008 /* Spare 128 MB Memory */ 399 400#define KORINA_CNFG4 KORINA_BAR0 401#define KORINA_CNFG5 KORINA_BAR1 402#define KORINA_CNFG6 KORINA_BAR2 403#define KORINA_CNFG7 KORINA_BAR3 404 405#define KORINA_SUBSYS_VENDOR_ID 0x011d 406#define KORINA_SUBSYSTEM_ID 0x0214 407#define KORINA_CNFG8 0 408#define KORINA_CNFG9 0 409#define KORINA_CNFG10 0 410#define KORINA_CNFG11 ((KORINA_SUBSYS_VENDOR_ID<<16) | \ 411 KORINA_SUBSYSTEM_ID) 412#define KORINA_INT_LINE 1 413#define KORINA_INT_PIN 1 414#define KORINA_MIN_GNT 8 415#define KORINA_MAX_LAT 0x38 416#define KORINA_CNFG12 0 417#define KORINA_CNFG13 0 418#define KORINA_CNFG14 0 419#define KORINA_CNFG15 ((KORINA_MAX_LAT<<24) | \ 420 (KORINA_MIN_GNT<<16) | \ 421 (KORINA_INT_PIN<<8) | \ 422 KORINA_INT_LINE) 423#define KORINA_RETRY_LIMIT 0x80 424#define KORINA_TRDY_LIMIT 0x80 425#define KORINA_CNFG16 ((KORINA_RETRY_LIMIT<<8) | \ 426 KORINA_TRDY_LIMIT) 427#define PCI_PBAxC_R 0x0 428#define PCI_PBAxC_RL 0x1 429#define PCI_PBAxC_RM 0x2 430#define SIZE_SHFT 2 431 432#if defined(__MIPSEB__) 433#define KORINA_PBA0C (PCI_PBAC_MRL | PCI_PBAC_SB | \ 434 ((PCI_PBAxC_RM & 0x3) << PCI_PBAC_MR_BIT) | \ 435 PCI_PBAC_PP | \ 436 (SIZE_128MB<<SIZE_SHFT) | \ 437 PCI_PBAC_P) 438#else 439#define KORINA_PBA0C (PCI_PBAC_MRL | \ 440 ((PCI_PBAxC_RM & 0x3) << PCI_PBAC_MR_BIT) | \ 441 PCI_PBAC_PP | \ 442 (SIZE_128MB<<SIZE_SHFT) | \ 443 PCI_PBAC_P) 444#endif 445#define KORINA_CNFG17 KORINA_PBA0C 446#define KORINA_PBA0M 0x0 447#define KORINA_CNFG18 KORINA_PBA0M 448 449#if defined(__MIPSEB__) 450#define KORINA_PBA1C ((SIZE_1MB<<SIZE_SHFT) | PCI_PBAC_SB | \ 451 PCI_PBAC_MSI) 452#else 453#define KORINA_PBA1C ((SIZE_1MB<<SIZE_SHFT) | \ 454 PCI_PBAC_MSI) 455#endif 456#define KORINA_CNFG19 KORINA_PBA1C 457#define KORINA_PBA1M 0x0 458#define KORINA_CNFG20 KORINA_PBA1M 459 460#if defined(__MIPSEB__) 461#define KORINA_PBA2C ((SIZE_2MB<<SIZE_SHFT) | PCI_PBAC_SB | \ 462 PCI_PBAC_MSI) 463#else 464#define KORINA_PBA2C ((SIZE_2MB<<SIZE_SHFT) | \ 465 PCI_PBAC_MSI) 466#endif 467#define KORINA_CNFG21 KORINA_PBA2C 468#define KORINA_PBA2M 0x18000000 469#define KORINA_CNFG22 KORINA_PBA2M 470#define KORINA_PBA3C 0 471#define KORINA_CNFG23 KORINA_PBA3C 472#define KORINA_PBA3M 0 473#define KORINA_CNFG24 KORINA_PBA3M 474 475#define PCITC_DTIMER_VAL 8 476#define PCITC_RTIMER_VAL 0x10 477 478#endif /* __ASM_RC32434_PCI_H */ 479