include/asm-alpha/core_wildfire.h

   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
  14 extern unsigned char wildfire_hard_qbb_map[WILDFIRE_MAX_QBB];
  15 extern unsigned char wildfire_soft_qbb_map[WILDFIRE_MAX_QBB];
  16 #define QBB_MAP_EMPTY   0xff
  17
  18 extern unsigned long wildfire_hard_qbb_mask;
  19 extern unsigned long wildfire_soft_qbb_mask;
  20 extern unsigned long wildfire_gp_mask;
  21 extern unsigned long wildfire_hs_mask;
  22 extern unsigned long wildfire_iop_mask;
  23 extern unsigned long wildfire_ior_mask;
  24 extern unsigned long wildfire_pca_mask;
  25 extern unsigned long wildfire_cpu_mask;
  26 extern 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
  35 typedef struct {
  36         volatile unsigned long csr __attribute__((aligned(64)));
  37 } wildfire_64;
  38
  39 typedef struct {
  40         volatile unsigned long csr __attribute__((aligned(256)));
  41 } wildfire_256;
  42
  43 typedef struct {
  44         volatile unsigned long csr __attribute__((aligned(2048)));
  45 } wildfire_2k;
  46
  47 typedef 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
  67 typedef 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
  78 typedef 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
 106 typedef 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
 148 typedef 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
 160 typedef 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
 182 typedef struct {
 183         wildfire_64     ne_what_am_i;
 184         /* not complete */
 185 } wildfire_ne;
 186
 187 typedef struct {
 188         wildfire_64     fe_what_am_i;
 189         /* not complete */
 190 } wildfire_fe;
 191
 192 typedef 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 extern 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__ */