| /* SPDX-License-Identifier: GPL-2.0 */ |
| #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__ */ |