1#ifndef __ALPHA_WILDFIRE__H__ 2#define __ALPHA_WILDFIRE__H__ 3 4#include <linux/types.h> 5#include <asm/compiler.h> 6 7#define WILDFIRE_MAX_QBB 8 /* more than 8 requires other mods */ 8#define WILDFIRE_PCA_PER_QBB 4 9#define WILDFIRE_IRQ_PER_PCA 64 10 11#define WILDFIRE_NR_IRQS \ 12 (WILDFIRE_MAX_QBB * WILDFIRE_PCA_PER_QBB * WILDFIRE_IRQ_PER_PCA) 13 14extern unsigned char wildfire_hard_qbb_map[WILDFIRE_MAX_QBB]; 15extern unsigned char wildfire_soft_qbb_map[WILDFIRE_MAX_QBB]; 16#define QBB_MAP_EMPTY 0xff 17 18extern unsigned long wildfire_hard_qbb_mask; 19extern unsigned long wildfire_soft_qbb_mask; 20extern unsigned long wildfire_gp_mask; 21extern unsigned long wildfire_hs_mask; 22extern unsigned long wildfire_iop_mask; 23extern unsigned long wildfire_ior_mask; 24extern unsigned long wildfire_pca_mask; 25extern unsigned long wildfire_cpu_mask; 26extern unsigned long wildfire_mem_mask; 27 28#define WILDFIRE_QBB_EXISTS(qbbno) (wildfire_soft_qbb_mask & (1 << (qbbno))) 29 30#define WILDFIRE_MEM_EXISTS(qbbno) (wildfire_mem_mask & (0xf << ((qbbno) << 2))) 31 32#define WILDFIRE_PCA_EXISTS(qbbno, pcano) \ 33 (wildfire_pca_mask & (1 << (((qbbno) << 2) + (pcano)))) 34 35typedef struct { 36 volatile unsigned long csr __attribute__((aligned(64))); 37} wildfire_64; 38 39typedef struct { 40 volatile unsigned long csr __attribute__((aligned(256))); 41} wildfire_256; 42 43typedef struct { 44 volatile unsigned long csr __attribute__((aligned(2048))); 45} wildfire_2k; 46 47typedef struct { 48 wildfire_64 qsd_whami; 49 wildfire_64 qsd_rev; 50 wildfire_64 qsd_port_present; 51 wildfire_64 qsd_port_active; 52 wildfire_64 qsd_fault_ena; 53 wildfire_64 qsd_cpu_int_ena; 54 wildfire_64 qsd_mem_config; 55 wildfire_64 qsd_err_sum; 56 wildfire_64 ce_sum[4]; 57 wildfire_64 dev_init[4]; 58 wildfire_64 it_int[4]; 59 wildfire_64 ip_int[4]; 60 wildfire_64 uce_sum[4]; 61 wildfire_64 se_sum__non_dev_int[4]; 62 wildfire_64 scratch[4]; 63 wildfire_64 qsd_timer; 64 wildfire_64 qsd_diag; 65} wildfire_qsd; 66 67typedef struct { 68 wildfire_256 qsd_whami; 69 wildfire_256 __pad1; 70 wildfire_256 ce_sum; 71 wildfire_256 dev_init; 72 wildfire_256 it_int; 73 wildfire_256 ip_int; 74 wildfire_256 uce_sum; 75 wildfire_256 se_sum; 76} wildfire_fast_qsd; 77 78typedef struct { 79 wildfire_2k qsa_qbb_id; 80 wildfire_2k __pad1; 81 wildfire_2k qsa_port_ena; 82 wildfire_2k qsa_scratch; 83 wildfire_2k qsa_config[5]; 84 wildfire_2k qsa_ref_int; 85 wildfire_2k qsa_qbb_pop[2]; 86 wildfire_2k qsa_dtag_fc; 87 wildfire_2k __pad2[3]; 88 wildfire_2k qsa_diag; 89 wildfire_2k qsa_diag_lock[4]; 90 wildfire_2k __pad3[11]; 91 wildfire_2k qsa_cpu_err_sum; 92 wildfire_2k qsa_misc_err_sum; 93 wildfire_2k qsa_tmo_err_sum; 94 wildfire_2k qsa_err_ena; 95 wildfire_2k qsa_tmo_config; 96 wildfire_2k qsa_ill_cmd_err_sum; 97 wildfire_2k __pad4[26]; 98 wildfire_2k qsa_busy_mask; 99 wildfire_2k qsa_arr_valid; 100 wildfire_2k __pad5[2]; 101 wildfire_2k qsa_port_map[4]; 102 wildfire_2k qsa_arr_addr[8]; 103 wildfire_2k qsa_arr_mask[8]; 104} wildfire_qsa; 105 106typedef struct { 107 wildfire_64 ioa_config; 108 wildfire_64 iod_config; 109 wildfire_64 iop_switch_credits; 110 wildfire_64 __pad1; 111 wildfire_64 iop_hose_credits; 112 wildfire_64 __pad2[11]; 113 struct { 114 wildfire_64 __pad3; 115 wildfire_64 init; 116 } iop_hose[4]; 117 wildfire_64 ioa_hose_0_ctrl; 118 wildfire_64 iod_hose_0_ctrl; 119 wildfire_64 ioa_hose_1_ctrl; 120 wildfire_64 iod_hose_1_ctrl; 121 wildfire_64 ioa_hose_2_ctrl; 122 wildfire_64 iod_hose_2_ctrl; 123 wildfire_64 ioa_hose_3_ctrl; 124 wildfire_64 iod_hose_3_ctrl; 125 struct { 126 wildfire_64 target; 127 wildfire_64 __pad4; 128 } iop_dev_int[4]; 129 130 wildfire_64 iop_err_int_target; 131 wildfire_64 __pad5[7]; 132 wildfire_64 iop_qbb_err_sum; 133 wildfire_64 __pad6; 134 wildfire_64 iop_qbb_se_sum; 135 wildfire_64 __pad7; 136 wildfire_64 ioa_err_sum; 137 wildfire_64 iod_err_sum; 138 wildfire_64 __pad8[4]; 139 wildfire_64 ioa_diag_force_err; 140 wildfire_64 iod_diag_force_err; 141 wildfire_64 __pad9[4]; 142 wildfire_64 iop_diag_send_err_int; 143 wildfire_64 __pad10[15]; 144 wildfire_64 ioa_scratch; 145 wildfire_64 iod_scratch; 146} wildfire_iop; 147 148typedef struct { 149 wildfire_2k gpa_qbb_map[4]; 150 wildfire_2k gpa_mem_pop_map; 151 wildfire_2k gpa_scratch; 152 wildfire_2k gpa_diag; 153 wildfire_2k gpa_config_0; 154 wildfire_2k __pad1; 155 wildfire_2k gpa_init_id; 156 wildfire_2k gpa_config_2; 157 /* not complete */ 158} wildfire_gp; 159 160typedef struct { 161 wildfire_64 pca_what_am_i; 162 wildfire_64 pca_err_sum; 163 wildfire_64 pca_diag_force_err; 164 wildfire_64 pca_diag_send_err_int; 165 wildfire_64 pca_hose_credits; 166 wildfire_64 pca_scratch; 167 wildfire_64 pca_micro_addr; 168 wildfire_64 pca_micro_data; 169 wildfire_64 pca_pend_int; 170 wildfire_64 pca_sent_int; 171 wildfire_64 __pad1; 172 wildfire_64 pca_stdio_edge_level; 173 wildfire_64 __pad2[52]; 174 struct { 175 wildfire_64 target; 176 wildfire_64 enable; 177 } pca_int[4]; 178 wildfire_64 __pad3[56]; 179 wildfire_64 pca_alt_sent_int[32]; 180} wildfire_pca; 181 182typedef struct { 183 wildfire_64 ne_what_am_i; 184 /* not complete */ 185} wildfire_ne; 186 187typedef struct { 188 wildfire_64 fe_what_am_i; 189 /* not complete */ 190} wildfire_fe; 191 192typedef struct { 193 wildfire_64 pci_io_addr_ext; 194 wildfire_64 pci_ctrl; 195 wildfire_64 pci_err_sum; 196 wildfire_64 pci_err_addr; 197 wildfire_64 pci_stall_cnt; 198 wildfire_64 pci_iack_special; 199 wildfire_64 __pad1[2]; 200 wildfire_64 pci_pend_int; 201 wildfire_64 pci_sent_int; 202 wildfire_64 __pad2[54]; 203 struct { 204 wildfire_64 wbase; 205 wildfire_64 wmask; 206 wildfire_64 tbase; 207 } pci_window[4]; 208 wildfire_64 pci_flush_tlb; 209 wildfire_64 pci_perf_mon; 210} wildfire_pci; 211 212#define WILDFIRE_ENTITY_SHIFT 18 213 214#define WILDFIRE_GP_ENTITY (0x10UL << WILDFIRE_ENTITY_SHIFT) 215#define WILDFIRE_IOP_ENTITY (0x08UL << WILDFIRE_ENTITY_SHIFT) 216#define WILDFIRE_QSA_ENTITY (0x04UL << WILDFIRE_ENTITY_SHIFT) 217#define WILDFIRE_QSD_ENTITY_SLOW (0x05UL << WILDFIRE_ENTITY_SHIFT) 218#define WILDFIRE_QSD_ENTITY_FAST (0x01UL << WILDFIRE_ENTITY_SHIFT) 219 220#define WILDFIRE_PCA_ENTITY(pca) ((0xc|(pca))<<WILDFIRE_ENTITY_SHIFT) 221 222#define WILDFIRE_BASE (IDENT_ADDR | (1UL << 40)) 223 224#define WILDFIRE_QBB_MASK 0x0fUL /* for now, only 4 bits/16 QBBs */ 225 226#define WILDFIRE_QBB(q) ((~((long)(q)) & WILDFIRE_QBB_MASK) << 36) 227#define WILDFIRE_HOSE(h) ((long)(h) << 33) 228 229#define WILDFIRE_QBB_IO(q) (WILDFIRE_BASE | WILDFIRE_QBB(q)) 230#define WILDFIRE_QBB_HOSE(q,h) (WILDFIRE_QBB_IO(q) | WILDFIRE_HOSE(h)) 231 232#define WILDFIRE_MEM(q,h) (WILDFIRE_QBB_HOSE(q,h) | 0x000000000UL) 233#define WILDFIRE_CONF(q,h) (WILDFIRE_QBB_HOSE(q,h) | 0x1FE000000UL) 234#define WILDFIRE_IO(q,h) (WILDFIRE_QBB_HOSE(q,h) | 0x1FF000000UL) 235 236#define WILDFIRE_qsd(q) \ 237 ((wildfire_qsd *)(WILDFIRE_QBB_IO(q)|WILDFIRE_QSD_ENTITY_SLOW|(((1UL<<13)-1)<<23))) 238 239#define WILDFIRE_fast_qsd() \ 240 ((wildfire_fast_qsd *)(WILDFIRE_QBB_IO(0)|WILDFIRE_QSD_ENTITY_FAST|(((1UL<<13)-1)<<23))) 241 242#define WILDFIRE_qsa(q) \ 243 ((wildfire_qsa *)(WILDFIRE_QBB_IO(q)|WILDFIRE_QSA_ENTITY|(((1UL<<13)-1)<<23))) 244 245#define WILDFIRE_iop(q) \ 246 ((wildfire_iop *)(WILDFIRE_QBB_IO(q)|WILDFIRE_IOP_ENTITY|(((1UL<<13)-1)<<23))) 247 248#define WILDFIRE_gp(q) \ 249 ((wildfire_gp *)(WILDFIRE_QBB_IO(q)|WILDFIRE_GP_ENTITY|(((1UL<<13)-1)<<23))) 250 251#define WILDFIRE_pca(q,pca) \ 252 ((wildfire_pca *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23))) 253 254#define WILDFIRE_ne(q,pca) \ 255 ((wildfire_ne *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)|(1UL<<16))) 256 257#define WILDFIRE_fe(q,pca) \ 258 ((wildfire_fe *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)|(3UL<<15))) 259 260#define WILDFIRE_pci(q,h) \ 261 ((wildfire_pci *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(((h)&6)>>1)|((((h)&1)|2)<<16)|(((1UL<<13)-1)<<23))) 262 263#define WILDFIRE_IO_BIAS WILDFIRE_IO(0,0) 264#define WILDFIRE_MEM_BIAS WILDFIRE_MEM(0,0) /* ??? */ 265 266/* The IO address space is larger than 0xffff */ 267#define WILDFIRE_IO_SPACE (8UL*1024*1024) 268 269#ifdef __KERNEL__ 270 271#ifndef __EXTERN_INLINE 272#define __EXTERN_INLINE static inline 273#define __IO_EXTERN_INLINE 274#endif 275 276#define vucp volatile unsigned char * 277#define vusp volatile unsigned short * 278#define vuip volatile unsigned int * 279#define vulp volatile unsigned long * 280 281__EXTERN_INLINE u8 wildfire_inb(unsigned long addr) 282{ 283 /* ??? I wish I could get rid of this. But there's no ioremap 284 equivalent for I/O space. PCI I/O can be forced into the 285 correct hose's I/O region, but that doesn't take care of 286 legacy ISA crap. */ 287 288 addr += WILDFIRE_IO_BIAS; 289 return __kernel_ldbu(*(vucp)addr); 290} 291 292__EXTERN_INLINE void wildfire_outb(u8 b, unsigned long addr) 293{ 294 addr += WILDFIRE_IO_BIAS; 295 __kernel_stb(b, *(vucp)addr); 296 mb(); 297} 298 299__EXTERN_INLINE u16 wildfire_inw(unsigned long addr) 300{ 301 addr += WILDFIRE_IO_BIAS; 302 return __kernel_ldwu(*(vusp)addr); 303} 304 305__EXTERN_INLINE void wildfire_outw(u16 b, unsigned long addr) 306{ 307 addr += WILDFIRE_IO_BIAS; 308 __kernel_stw(b, *(vusp)addr); 309 mb(); 310} 311 312__EXTERN_INLINE u32 wildfire_inl(unsigned long addr) 313{ 314 addr += WILDFIRE_IO_BIAS; 315 return *(vuip)addr; 316} 317 318__EXTERN_INLINE void wildfire_outl(u32 b, unsigned long addr) 319{ 320 addr += WILDFIRE_IO_BIAS; 321 *(vuip)addr = b; 322 mb(); 323} 324 325/* 326 * Memory functions. all accesses are done through linear space. 327 */ 328 329__EXTERN_INLINE unsigned long wildfire_ioremap(unsigned long addr, 330 unsigned long size 331 __attribute__((unused))) 332{ 333 return addr + WILDFIRE_MEM_BIAS; 334} 335 336__EXTERN_INLINE void wildfire_iounmap(unsigned long addr) 337{ 338 return; 339} 340 341__EXTERN_INLINE int wildfire_is_ioaddr(unsigned long addr) 342{ 343 return addr >= WILDFIRE_BASE; 344} 345 346__EXTERN_INLINE u8 wildfire_readb(unsigned long addr) 347{ 348 return __kernel_ldbu(*(vucp)addr); 349} 350 351__EXTERN_INLINE u16 wildfire_readw(unsigned long addr) 352{ 353 return __kernel_ldwu(*(vusp)addr); 354} 355 356__EXTERN_INLINE u32 wildfire_readl(unsigned long addr) 357{ 358 return (*(vuip)addr) & 0xffffffff; 359} 360 361__EXTERN_INLINE u64 wildfire_readq(unsigned long addr) 362{ 363 return *(vulp)addr; 364} 365 366__EXTERN_INLINE void wildfire_writeb(u8 b, unsigned long addr) 367{ 368 __kernel_stb(b, *(vucp)addr); 369} 370 371__EXTERN_INLINE void wildfire_writew(u16 b, unsigned long addr) 372{ 373 __kernel_stw(b, *(vusp)addr); 374} 375 376__EXTERN_INLINE void wildfire_writel(u32 b, unsigned long addr) 377{ 378 *(vuip)addr = b; 379} 380 381__EXTERN_INLINE void wildfire_writeq(u64 b, unsigned long addr) 382{ 383 *(vulp)addr = b; 384} 385 386#undef vucp 387#undef vusp 388#undef vuip 389#undef vulp 390 391#ifdef __WANT_IO_DEF 392 393#define __inb(p) wildfire_inb((unsigned long)(p)) 394#define __inw(p) wildfire_inw((unsigned long)(p)) 395#define __inl(p) wildfire_inl((unsigned long)(p)) 396#define __outb(x,p) wildfire_outb((x),(unsigned long)(p)) 397#define __outw(x,p) wildfire_outw((x),(unsigned long)(p)) 398#define __outl(x,p) wildfire_outl((x),(unsigned long)(p)) 399#define __readb(a) wildfire_readb((unsigned long)(a)) 400#define __readw(a) wildfire_readw((unsigned long)(a)) 401#define __readl(a) wildfire_readl((unsigned long)(a)) 402#define __readq(a) wildfire_readq((unsigned long)(a)) 403#define __writeb(x,a) wildfire_writeb((x),(unsigned long)(a)) 404#define __writew(x,a) wildfire_writew((x),(unsigned long)(a)) 405#define __writel(x,a) wildfire_writel((x),(unsigned long)(a)) 406#define __writeq(x,a) wildfire_writeq((x),(unsigned long)(a)) 407#define __ioremap(a,s) wildfire_ioremap((unsigned long)(a),(s)) 408#define __iounmap(a) wildfire_iounmap((unsigned long)(a)) 409#define __is_ioaddr(a) wildfire_is_ioaddr((unsigned long)(a)) 410 411#define inb(p) __inb(p) 412#define inw(p) __inw(p) 413#define inl(p) __inl(p) 414#define outb(x,p) __outb((x),(p)) 415#define outw(x,p) __outw((x),(p)) 416#define outl(x,p) __outl((x),(p)) 417#define __raw_readb(a) __readb(a) 418#define __raw_readw(a) __readw(a) 419#define __raw_readl(a) __readl(a) 420#define __raw_readq(a) __readq(a) 421#define __raw_writeb(v,a) __writeb((v),(a)) 422#define __raw_writew(v,a) __writew((v),(a)) 423#define __raw_writel(v,a) __writel((v),(a)) 424#define __raw_writeq(v,a) __writeq((v),(a)) 425 426#endif /* __WANT_IO_DEF */ 427 428#ifdef __IO_EXTERN_INLINE 429#undef __EXTERN_INLINE 430#undef __IO_EXTERN_INLINE 431#endif 432 433#endif /* __KERNEL__ */ 434 435#endif /* __ALPHA_WILDFIRE__H__ */ 436