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core_wildfire.h

#ifndef __ALPHA_WILDFIRE__H__
#define __ALPHA_WILDFIRE__H__

#include <linux/types.h>
#include <asm/compiler.h>

#define WILDFIRE_MAX_QBB      8     /* more than 8 requires other mods */
#define WILDFIRE_PCA_PER_QBB  4
#define WILDFIRE_IRQ_PER_PCA  64

#define WILDFIRE_NR_IRQS \
  (WILDFIRE_MAX_QBB * WILDFIRE_PCA_PER_QBB * WILDFIRE_IRQ_PER_PCA)

extern unsigned char wildfire_hard_qbb_map[WILDFIRE_MAX_QBB];
extern unsigned char wildfire_soft_qbb_map[WILDFIRE_MAX_QBB];
#define QBB_MAP_EMPTY   0xff

extern unsigned long wildfire_hard_qbb_mask;
extern unsigned long wildfire_soft_qbb_mask;
extern unsigned long wildfire_gp_mask;
extern unsigned long wildfire_hs_mask;
extern unsigned long wildfire_iop_mask;
extern unsigned long wildfire_ior_mask;
extern unsigned long wildfire_pca_mask;
extern unsigned long wildfire_cpu_mask;
extern unsigned long wildfire_mem_mask;

#define WILDFIRE_QBB_EXISTS(qbbno) (wildfire_soft_qbb_mask & (1 << (qbbno)))

#define WILDFIRE_MEM_EXISTS(qbbno) (wildfire_mem_mask & (0xf << ((qbbno) << 2)))

#define WILDFIRE_PCA_EXISTS(qbbno, pcano) \
            (wildfire_pca_mask & (1 << (((qbbno) << 2) + (pcano))))

typedef struct {
      volatile unsigned long csr __attribute__((aligned(64)));
} wildfire_64;

typedef struct {
      volatile unsigned long csr __attribute__((aligned(256)));
} wildfire_256;

typedef struct {
      volatile unsigned long csr __attribute__((aligned(2048)));
} wildfire_2k;

typedef struct {
      wildfire_64 qsd_whami;
      wildfire_64 qsd_rev;
      wildfire_64 qsd_port_present;
      wildfire_64 qsd_port_active;
      wildfire_64 qsd_fault_ena;
      wildfire_64 qsd_cpu_int_ena;
      wildfire_64 qsd_mem_config;
      wildfire_64 qsd_err_sum;
      wildfire_64 ce_sum[4];
      wildfire_64 dev_init[4];
      wildfire_64 it_int[4];
      wildfire_64 ip_int[4];
      wildfire_64 uce_sum[4];
      wildfire_64 se_sum__non_dev_int[4];
      wildfire_64 scratch[4];
      wildfire_64 qsd_timer;
      wildfire_64 qsd_diag;
} wildfire_qsd;

typedef struct {
      wildfire_256      qsd_whami;
      wildfire_256      __pad1;
      wildfire_256      ce_sum;
      wildfire_256      dev_init;
      wildfire_256      it_int;
      wildfire_256      ip_int;
      wildfire_256      uce_sum;
      wildfire_256      se_sum;
} wildfire_fast_qsd;

typedef struct {
      wildfire_2k qsa_qbb_id;
      wildfire_2k __pad1;
      wildfire_2k qsa_port_ena;
      wildfire_2k qsa_scratch;
      wildfire_2k qsa_config[5];
      wildfire_2k qsa_ref_int;
      wildfire_2k qsa_qbb_pop[2];
      wildfire_2k qsa_dtag_fc;
      wildfire_2k __pad2[3];
      wildfire_2k qsa_diag;
      wildfire_2k qsa_diag_lock[4];
      wildfire_2k __pad3[11];
      wildfire_2k qsa_cpu_err_sum;
      wildfire_2k qsa_misc_err_sum;
      wildfire_2k qsa_tmo_err_sum;
      wildfire_2k qsa_err_ena;
      wildfire_2k qsa_tmo_config;
      wildfire_2k qsa_ill_cmd_err_sum;
      wildfire_2k __pad4[26];
      wildfire_2k qsa_busy_mask;
      wildfire_2k qsa_arr_valid;
      wildfire_2k __pad5[2];
      wildfire_2k qsa_port_map[4];
      wildfire_2k qsa_arr_addr[8];
      wildfire_2k qsa_arr_mask[8];
} wildfire_qsa;

typedef struct {
      wildfire_64 ioa_config;
      wildfire_64 iod_config;
      wildfire_64 iop_switch_credits;
      wildfire_64 __pad1;
      wildfire_64 iop_hose_credits;
      wildfire_64 __pad2[11];
      struct {
            wildfire_64 __pad3;
            wildfire_64 init;
      } iop_hose[4];
      wildfire_64 ioa_hose_0_ctrl;
      wildfire_64 iod_hose_0_ctrl;
      wildfire_64 ioa_hose_1_ctrl;
      wildfire_64 iod_hose_1_ctrl;
      wildfire_64 ioa_hose_2_ctrl;
      wildfire_64 iod_hose_2_ctrl;
      wildfire_64 ioa_hose_3_ctrl;
      wildfire_64 iod_hose_3_ctrl;
      struct {
            wildfire_64 target;
            wildfire_64 __pad4;
      } iop_dev_int[4];

      wildfire_64 iop_err_int_target;
      wildfire_64 __pad5[7];
      wildfire_64 iop_qbb_err_sum;
      wildfire_64 __pad6;
      wildfire_64 iop_qbb_se_sum;
      wildfire_64 __pad7;
      wildfire_64 ioa_err_sum;
      wildfire_64 iod_err_sum;
      wildfire_64 __pad8[4];
      wildfire_64 ioa_diag_force_err;
      wildfire_64 iod_diag_force_err;
      wildfire_64 __pad9[4];
      wildfire_64 iop_diag_send_err_int;
      wildfire_64 __pad10[15];
      wildfire_64 ioa_scratch;
      wildfire_64 iod_scratch;
} wildfire_iop;

typedef struct {
      wildfire_2k gpa_qbb_map[4];
      wildfire_2k gpa_mem_pop_map;
      wildfire_2k gpa_scratch;
      wildfire_2k gpa_diag;
      wildfire_2k gpa_config_0;
      wildfire_2k __pad1;
      wildfire_2k gpa_init_id;
      wildfire_2k gpa_config_2;
      /* not complete */
} wildfire_gp;

typedef struct {
      wildfire_64 pca_what_am_i;
      wildfire_64 pca_err_sum;
      wildfire_64 pca_diag_force_err;
      wildfire_64 pca_diag_send_err_int;
      wildfire_64 pca_hose_credits;
      wildfire_64 pca_scratch;
      wildfire_64 pca_micro_addr;
      wildfire_64 pca_micro_data;
      wildfire_64 pca_pend_int;
      wildfire_64 pca_sent_int;
      wildfire_64 __pad1;
      wildfire_64 pca_stdio_edge_level;
      wildfire_64 __pad2[52];
      struct {
            wildfire_64 target;
            wildfire_64 enable;
      } pca_int[4];
      wildfire_64 __pad3[56];
      wildfire_64 pca_alt_sent_int[32];
} wildfire_pca;

typedef struct {
      wildfire_64 ne_what_am_i;
      /* not complete */
} wildfire_ne;

typedef struct {
      wildfire_64 fe_what_am_i;
      /* not complete */
} wildfire_fe;

typedef struct {
      wildfire_64 pci_io_addr_ext;
      wildfire_64 pci_ctrl;
      wildfire_64 pci_err_sum;
      wildfire_64 pci_err_addr;
      wildfire_64 pci_stall_cnt;
      wildfire_64 pci_iack_special;
      wildfire_64 __pad1[2];
      wildfire_64 pci_pend_int;
      wildfire_64 pci_sent_int;
      wildfire_64 __pad2[54];
      struct {
            wildfire_64 wbase;
            wildfire_64 wmask;
            wildfire_64 tbase;
      } pci_window[4];
      wildfire_64 pci_flush_tlb;
      wildfire_64 pci_perf_mon;
} wildfire_pci;

#define WILDFIRE_ENTITY_SHIFT       18

#define WILDFIRE_GP_ENTITY          (0x10UL << WILDFIRE_ENTITY_SHIFT)
#define WILDFIRE_IOP_ENTITY         (0x08UL << WILDFIRE_ENTITY_SHIFT)
#define WILDFIRE_QSA_ENTITY         (0x04UL << WILDFIRE_ENTITY_SHIFT)
#define WILDFIRE_QSD_ENTITY_SLOW    (0x05UL << WILDFIRE_ENTITY_SHIFT)
#define WILDFIRE_QSD_ENTITY_FAST    (0x01UL << WILDFIRE_ENTITY_SHIFT)

#define WILDFIRE_PCA_ENTITY(pca)    ((0xc|(pca))<<WILDFIRE_ENTITY_SHIFT)

#define WILDFIRE_BASE         (IDENT_ADDR | (1UL << 40))

#define WILDFIRE_QBB_MASK     0x0fUL      /* for now, only 4 bits/16 QBBs */

#define WILDFIRE_QBB(q)       ((~((long)(q)) & WILDFIRE_QBB_MASK) << 36)
#define WILDFIRE_HOSE(h)      ((long)(h) << 33)

#define WILDFIRE_QBB_IO(q)    (WILDFIRE_BASE | WILDFIRE_QBB(q))
#define WILDFIRE_QBB_HOSE(q,h)      (WILDFIRE_QBB_IO(q) | WILDFIRE_HOSE(h))

#define WILDFIRE_MEM(q,h)     (WILDFIRE_QBB_HOSE(q,h) | 0x000000000UL)
#define WILDFIRE_CONF(q,h)    (WILDFIRE_QBB_HOSE(q,h) | 0x1FE000000UL)
#define WILDFIRE_IO(q,h)      (WILDFIRE_QBB_HOSE(q,h) | 0x1FF000000UL)

#define WILDFIRE_qsd(q) \
 ((wildfire_qsd *)(WILDFIRE_QBB_IO(q)|WILDFIRE_QSD_ENTITY_SLOW|(((1UL<<13)-1)<<23)))

#define WILDFIRE_fast_qsd() \
 ((wildfire_fast_qsd *)(WILDFIRE_QBB_IO(0)|WILDFIRE_QSD_ENTITY_FAST|(((1UL<<13)-1)<<23)))

#define WILDFIRE_qsa(q) \
 ((wildfire_qsa *)(WILDFIRE_QBB_IO(q)|WILDFIRE_QSA_ENTITY|(((1UL<<13)-1)<<23)))

#define WILDFIRE_iop(q) \
 ((wildfire_iop *)(WILDFIRE_QBB_IO(q)|WILDFIRE_IOP_ENTITY|(((1UL<<13)-1)<<23)))

#define WILDFIRE_gp(q) \
 ((wildfire_gp *)(WILDFIRE_QBB_IO(q)|WILDFIRE_GP_ENTITY|(((1UL<<13)-1)<<23)))

#define WILDFIRE_pca(q,pca) \
 ((wildfire_pca *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)))

#define WILDFIRE_ne(q,pca) \
 ((wildfire_ne *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)|(1UL<<16)))

#define WILDFIRE_fe(q,pca) \
 ((wildfire_fe *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)|(3UL<<15)))

#define WILDFIRE_pci(q,h) \
 ((wildfire_pci *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(((h)&6)>>1)|((((h)&1)|2)<<16)|(((1UL<<13)-1)<<23)))

#define WILDFIRE_IO_BIAS        WILDFIRE_IO(0,0)
#define WILDFIRE_MEM_BIAS       WILDFIRE_MEM(0,0) /* ??? */

/* The IO address space is larger than 0xffff */
#define WILDFIRE_IO_SPACE     (8UL*1024*1024)

#ifdef __KERNEL__

#ifndef __EXTERN_INLINE
#define __EXTERN_INLINE extern inline
#define __IO_EXTERN_INLINE
#endif

/*
 * Memory functions.  all accesses are done through linear space.
 */

__EXTERN_INLINE void __iomem *wildfire_ioportmap(unsigned long addr)
{
      return (void __iomem *)(addr + WILDFIRE_IO_BIAS);
}

__EXTERN_INLINE void __iomem *wildfire_ioremap(unsigned long addr, 
                                     unsigned long size)
{
      return (void __iomem *)(addr + WILDFIRE_MEM_BIAS);
}

__EXTERN_INLINE int wildfire_is_ioaddr(unsigned long addr)
{
      return addr >= WILDFIRE_BASE;
}

__EXTERN_INLINE int wildfire_is_mmio(const volatile void __iomem *xaddr)
{
      unsigned long addr = (unsigned long)xaddr;
      return (addr & 0x100000000UL) == 0;
}

#undef __IO_PREFIX
#define __IO_PREFIX                 wildfire
#define wildfire_trivial_rw_bw            1
#define wildfire_trivial_rw_lq            1
#define wildfire_trivial_io_bw            1
#define wildfire_trivial_io_lq            1
#define wildfire_trivial_iounmap    1
#include <asm/io_trivial.h>

#ifdef __IO_EXTERN_INLINE
#undef __EXTERN_INLINE
#undef __IO_EXTERN_INLINE
#endif

#endif /* __KERNEL__ */

#endif /* __ALPHA_WILDFIRE__H__ */

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