linux/arch/alpha/include/asm/core_wildfire.h
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   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
  15extern unsigned char wildfire_hard_qbb_map[WILDFIRE_MAX_QBB];
  16extern unsigned char wildfire_soft_qbb_map[WILDFIRE_MAX_QBB];
  17#define QBB_MAP_EMPTY   0xff
  18
  19extern unsigned long wildfire_hard_qbb_mask;
  20extern unsigned long wildfire_soft_qbb_mask;
  21extern unsigned long wildfire_gp_mask;
  22extern unsigned long wildfire_hs_mask;
  23extern unsigned long wildfire_iop_mask;
  24extern unsigned long wildfire_ior_mask;
  25extern unsigned long wildfire_pca_mask;
  26extern unsigned long wildfire_cpu_mask;
  27extern 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
  36typedef struct {
  37        volatile unsigned long csr __attribute__((aligned(64)));
  38} wildfire_64;
  39
  40typedef struct {
  41        volatile unsigned long csr __attribute__((aligned(256)));
  42} wildfire_256;
  43
  44typedef struct {
  45        volatile unsigned long csr __attribute__((aligned(2048)));
  46} wildfire_2k;
  47
  48typedef 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
  68typedef 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
  79typedef 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
 107typedef 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
 149typedef 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
 161typedef 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
 183typedef struct {
 184        wildfire_64     ne_what_am_i;
 185        /* not complete */
 186} wildfire_ne;
 187
 188typedef struct {
 189        wildfire_64     fe_what_am_i;
 190        /* not complete */
 191} wildfire_fe;
 192
 193typedef 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__ */
 320