arch/alpha/include/asm/core_wildfire.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ALPHA_WILDFIRE__H__
   3 #define __ALPHA_WILDFIRE__H__
   4
   5 #include <linux/types.h>
   6 #include <asm/compiler.h>
   7
   8 #define WILDFIRE_MAX_QBB        8       /* more than 8 requires other mods */
   9 #define WILDFIRE_PCA_PER_QBB    4
  10 #define WILDFIRE_IRQ_PER_PCA    64
  11
  12 #define WILDFIRE_NR_IRQS \
  13   (WILDFIRE_MAX_QBB * WILDFIRE_PCA_PER_QBB * WILDFIRE_IRQ_PER_PCA)
  14
  15 extern unsigned char wildfire_hard_qbb_map[WILDFIRE_MAX_QBB];
  16 extern unsigned char wildfire_soft_qbb_map[WILDFIRE_MAX_QBB];
  17 #define QBB_MAP_EMPTY   0xff
  18
  19 extern unsigned long wildfire_hard_qbb_mask;
  20 extern unsigned long wildfire_soft_qbb_mask;
  21 extern unsigned long wildfire_gp_mask;
  22 extern unsigned long wildfire_hs_mask;
  23 extern unsigned long wildfire_iop_mask;
  24 extern unsigned long wildfire_ior_mask;
  25 extern unsigned long wildfire_pca_mask;
  26 extern unsigned long wildfire_cpu_mask;
  27 extern unsigned long wildfire_mem_mask;
  28
  29 #define WILDFIRE_QBB_EXISTS(qbbno) (wildfire_soft_qbb_mask & (1 << (qbbno)))
  30
  31 #define WILDFIRE_MEM_EXISTS(qbbno) (wildfire_mem_mask & (0xf << ((qbbno) << 2)))
  32
  33 #define WILDFIRE_PCA_EXISTS(qbbno, pcano) \
  34                 (wildfire_pca_mask & (1 << (((qbbno) << 2) + (pcano))))
  35
  36 typedef struct {
  37         volatile unsigned long csr __attribute__((aligned(64)));
  38 } wildfire_64;
  39
  40 typedef struct {
  41         volatile unsigned long csr __attribute__((aligned(256)));
  42 } wildfire_256;
  43
  44 typedef struct {
  45         volatile unsigned long csr __attribute__((aligned(2048)));
  46 } wildfire_2k;
  47
  48 typedef struct {
  49         wildfire_64     qsd_whami;
  50         wildfire_64     qsd_rev;
  51         wildfire_64     qsd_port_present;
  52         wildfire_64     qsd_port_active;
  53         wildfire_64     qsd_fault_ena;
  54         wildfire_64     qsd_cpu_int_ena;
  55         wildfire_64     qsd_mem_config;
  56         wildfire_64     qsd_err_sum;
  57         wildfire_64     ce_sum[4];
  58         wildfire_64     dev_init[4];
  59         wildfire_64     it_int[4];
  60         wildfire_64     ip_int[4];
  61         wildfire_64     uce_sum[4];
  62         wildfire_64     se_sum__non_dev_int[4];
  63         wildfire_64     scratch[4];
  64         wildfire_64     qsd_timer;
  65         wildfire_64     qsd_diag;
  66 } wildfire_qsd;
  67
  68 typedef struct {
  69         wildfire_256    qsd_whami;
  70         wildfire_256    __pad1;
  71         wildfire_256    ce_sum;
  72         wildfire_256    dev_init;
  73         wildfire_256    it_int;
  74         wildfire_256    ip_int;
  75         wildfire_256    uce_sum;
  76         wildfire_256    se_sum;
  77 } wildfire_fast_qsd;
  78
  79 typedef struct {
  80         wildfire_2k     qsa_qbb_id;
  81         wildfire_2k     __pad1;
  82         wildfire_2k     qsa_port_ena;
  83         wildfire_2k     qsa_scratch;
  84         wildfire_2k     qsa_config[5];
  85         wildfire_2k     qsa_ref_int;
  86         wildfire_2k     qsa_qbb_pop[2];
  87         wildfire_2k     qsa_dtag_fc;
  88         wildfire_2k     __pad2[3];
  89         wildfire_2k     qsa_diag;
  90         wildfire_2k     qsa_diag_lock[4];
  91         wildfire_2k     __pad3[11];
  92         wildfire_2k     qsa_cpu_err_sum;
  93         wildfire_2k     qsa_misc_err_sum;
  94         wildfire_2k     qsa_tmo_err_sum;
  95         wildfire_2k     qsa_err_ena;
  96         wildfire_2k     qsa_tmo_config;
  97         wildfire_2k     qsa_ill_cmd_err_sum;
  98         wildfire_2k     __pad4[26];
  99         wildfire_2k     qsa_busy_mask;
 100         wildfire_2k     qsa_arr_valid;
 101         wildfire_2k     __pad5[2];
 102         wildfire_2k     qsa_port_map[4];
 103         wildfire_2k     qsa_arr_addr[8];
 104         wildfire_2k     qsa_arr_mask[8];
 105 } wildfire_qsa;
 106
 107 typedef struct {
 108         wildfire_64     ioa_config;
 109         wildfire_64     iod_config;
 110         wildfire_64     iop_switch_credits;
 111         wildfire_64     __pad1;
 112         wildfire_64     iop_hose_credits;
 113         wildfire_64     __pad2[11];
 114         struct {
 115                 wildfire_64     __pad3;
 116                 wildfire_64     init;
 117         } iop_hose[4];
 118         wildfire_64     ioa_hose_0_ctrl;
 119         wildfire_64     iod_hose_0_ctrl;
 120         wildfire_64     ioa_hose_1_ctrl;
 121         wildfire_64     iod_hose_1_ctrl;
 122         wildfire_64     ioa_hose_2_ctrl;
 123         wildfire_64     iod_hose_2_ctrl;
 124         wildfire_64     ioa_hose_3_ctrl;
 125         wildfire_64     iod_hose_3_ctrl;
 126         struct {
 127                 wildfire_64     target;
 128                 wildfire_64     __pad4;
 129         } iop_dev_int[4];
 130
 131         wildfire_64     iop_err_int_target;
 132         wildfire_64     __pad5[7];
 133         wildfire_64     iop_qbb_err_sum;
 134         wildfire_64     __pad6;
 135         wildfire_64     iop_qbb_se_sum;
 136         wildfire_64     __pad7;
 137         wildfire_64     ioa_err_sum;
 138         wildfire_64     iod_err_sum;
 139         wildfire_64     __pad8[4];
 140         wildfire_64     ioa_diag_force_err;
 141         wildfire_64     iod_diag_force_err;
 142         wildfire_64     __pad9[4];
 143         wildfire_64     iop_diag_send_err_int;
 144         wildfire_64     __pad10[15];
 145         wildfire_64     ioa_scratch;
 146         wildfire_64     iod_scratch;
 147 } wildfire_iop;
 148
 149 typedef struct {
 150         wildfire_2k     gpa_qbb_map[4];
 151         wildfire_2k     gpa_mem_pop_map;
 152         wildfire_2k     gpa_scratch;
 153         wildfire_2k     gpa_diag;
 154         wildfire_2k     gpa_config_0;
 155         wildfire_2k     __pad1;
 156         wildfire_2k     gpa_init_id;
 157         wildfire_2k     gpa_config_2;
 158         /* not complete */
 159 } wildfire_gp;
 160
 161 typedef struct {
 162         wildfire_64     pca_what_am_i;
 163         wildfire_64     pca_err_sum;
 164         wildfire_64     pca_diag_force_err;
 165         wildfire_64     pca_diag_send_err_int;
 166         wildfire_64     pca_hose_credits;
 167         wildfire_64     pca_scratch;
 168         wildfire_64     pca_micro_addr;
 169         wildfire_64     pca_micro_data;
 170         wildfire_64     pca_pend_int;
 171         wildfire_64     pca_sent_int;
 172         wildfire_64     __pad1;
 173         wildfire_64     pca_stdio_edge_level;
 174         wildfire_64     __pad2[52];
 175         struct {
 176                 wildfire_64     target;
 177                 wildfire_64     enable;
 178         } pca_int[4];
 179         wildfire_64     __pad3[56];
 180         wildfire_64     pca_alt_sent_int[32];
 181 } wildfire_pca;
 182
 183 typedef struct {
 184         wildfire_64     ne_what_am_i;
 185         /* not complete */
 186 } wildfire_ne;
 187
 188 typedef struct {
 189         wildfire_64     fe_what_am_i;
 190         /* not complete */
 191 } wildfire_fe;
 192
 193 typedef struct {
 194         wildfire_64     pci_io_addr_ext;
 195         wildfire_64     pci_ctrl;
 196         wildfire_64     pci_err_sum;
 197         wildfire_64     pci_err_addr;
 198         wildfire_64     pci_stall_cnt;
 199         wildfire_64     pci_iack_special;
 200         wildfire_64     __pad1[2];
 201         wildfire_64     pci_pend_int;
 202         wildfire_64     pci_sent_int;
 203         wildfire_64     __pad2[54];
 204         struct {
 205                 wildfire_64     wbase;
 206                 wildfire_64     wmask;
 207                 wildfire_64     tbase;
 208         } pci_window[4];
 209         wildfire_64     pci_flush_tlb;
 210         wildfire_64     pci_perf_mon;
 211 } wildfire_pci;
 212
 213 #define WILDFIRE_ENTITY_SHIFT           18
 214
 215 #define WILDFIRE_GP_ENTITY              (0x10UL << WILDFIRE_ENTITY_SHIFT)
 216 #define WILDFIRE_IOP_ENTITY             (0x08UL << WILDFIRE_ENTITY_SHIFT)
 217 #define WILDFIRE_QSA_ENTITY             (0x04UL << WILDFIRE_ENTITY_SHIFT)
 218 #define WILDFIRE_QSD_ENTITY_SLOW        (0x05UL << WILDFIRE_ENTITY_SHIFT)
 219 #define WILDFIRE_QSD_ENTITY_FAST        (0x01UL << WILDFIRE_ENTITY_SHIFT)
 220
 221 #define WILDFIRE_PCA_ENTITY(pca)        ((0xc|(pca))<<WILDFIRE_ENTITY_SHIFT)
 222
 223 #define WILDFIRE_BASE           (IDENT_ADDR | (1UL << 40))
 224
 225 #define WILDFIRE_QBB_MASK       0x0fUL  /* for now, only 4 bits/16 QBBs */
 226
 227 #define WILDFIRE_QBB(q)         ((~((long)(q)) & WILDFIRE_QBB_MASK) << 36)
 228 #define WILDFIRE_HOSE(h)        ((long)(h) << 33)
 229
 230 #define WILDFIRE_QBB_IO(q)      (WILDFIRE_BASE | WILDFIRE_QBB(q))
 231 #define WILDFIRE_QBB_HOSE(q,h)  (WILDFIRE_QBB_IO(q) | WILDFIRE_HOSE(h))
 232
 233 #define WILDFIRE_MEM(q,h)       (WILDFIRE_QBB_HOSE(q,h) | 0x000000000UL)
 234 #define WILDFIRE_CONF(q,h)      (WILDFIRE_QBB_HOSE(q,h) | 0x1FE000000UL)
 235 #define WILDFIRE_IO(q,h)        (WILDFIRE_QBB_HOSE(q,h) | 0x1FF000000UL)
 236
 237 #define WILDFIRE_qsd(q) \
 238  ((wildfire_qsd *)(WILDFIRE_QBB_IO(q)|WILDFIRE_QSD_ENTITY_SLOW|(((1UL<<13)-1)<<23)))
 239
 240 #define WILDFIRE_fast_qsd() \
 241  ((wildfire_fast_qsd *)(WILDFIRE_QBB_IO(0)|WILDFIRE_QSD_ENTITY_FAST|(((1UL<<13)-1)<<23)))
 242
 243 #define WILDFIRE_qsa(q) \
 244  ((wildfire_qsa *)(WILDFIRE_QBB_IO(q)|WILDFIRE_QSA_ENTITY|(((1UL<<13)-1)<<23)))
 245
 246 #define WILDFIRE_iop(q) \
 247  ((wildfire_iop *)(WILDFIRE_QBB_IO(q)|WILDFIRE_IOP_ENTITY|(((1UL<<13)-1)<<23)))
 248
 249 #define WILDFIRE_gp(q) \
 250  ((wildfire_gp *)(WILDFIRE_QBB_IO(q)|WILDFIRE_GP_ENTITY|(((1UL<<13)-1)<<23)))
 251
 252 #define WILDFIRE_pca(q,pca) \
 253  ((wildfire_pca *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)))
 254
 255 #define WILDFIRE_ne(q,pca) \
 256  ((wildfire_ne *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)|(1UL<<16)))
 257
 258 #define WILDFIRE_fe(q,pca) \
 259  ((wildfire_fe *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)|(3UL<<15)))
 260
 261 #define WILDFIRE_pci(q,h) \
 262  ((wildfire_pci *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(((h)&6)>>1)|((((h)&1)|2)<<16)|(((1UL<<13)-1)<<23)))
 263
 264 #define WILDFIRE_IO_BIAS        WILDFIRE_IO(0,0)
 265 #define WILDFIRE_MEM_BIAS       WILDFIRE_MEM(0,0) /* ??? */
 266
 267 /* The IO address space is larger than 0xffff */
 268 #define WILDFIRE_IO_SPACE       (8UL*1024*1024)
 269
 270 #ifdef __KERNEL__
 271
 272 #ifndef __EXTERN_INLINE
 273 #define __EXTERN_INLINE extern inline
 274 #define __IO_EXTERN_INLINE
 275 #endif
 276
 277 /*
 278  * Memory functions.  all accesses are done through linear space.
 279  */
 280
 281 __EXTERN_INLINE void __iomem *wildfire_ioportmap(unsigned long addr)
 282 {
 283         return (void __iomem *)(addr + WILDFIRE_IO_BIAS);
 284 }
 285
 286 __EXTERN_INLINE void __iomem *wildfire_ioremap(unsigned long addr,
 287                                                unsigned long size)
 288 {
 289         return (void __iomem *)(addr + WILDFIRE_MEM_BIAS);
 290 }
 291
 292 __EXTERN_INLINE int wildfire_is_ioaddr(unsigned long addr)
 293 {
 294         return addr >= WILDFIRE_BASE;
 295 }
 296
 297 __EXTERN_INLINE int wildfire_is_mmio(const volatile void __iomem *xaddr)
 298 {
 299         unsigned long addr = (unsigned long)xaddr;
 300         return (addr & 0x100000000UL) == 0;
 301 }
 302
 303 #undef __IO_PREFIX
 304 #define __IO_PREFIX                     wildfire
 305 #define wildfire_trivial_rw_bw          1
 306 #define wildfire_trivial_rw_lq          1
 307 #define wildfire_trivial_io_bw          1
 308 #define wildfire_trivial_io_lq          1
 309 #define wildfire_trivial_iounmap        1
 310 #include <asm/io_trivial.h>
 311
 312 #ifdef __IO_EXTERN_INLINE
 313 #undef __EXTERN_INLINE
 314 #undef __IO_EXTERN_INLINE
 315 #endif
 316
 317 #endif /* __KERNEL__ */
 318
 319 #endif /* __ALPHA_WILDFIRE__H__ */