1 1.6 simonb /* $NetBSD: octeon_pkovar.h,v 1.6 2020/06/23 05:15:33 simonb Exp $ */ 2 1.1 hikaru 3 1.1 hikaru /* 4 1.1 hikaru * Copyright (c) 2007 Internet Initiative Japan, Inc. 5 1.1 hikaru * All rights reserved. 6 1.1 hikaru * 7 1.1 hikaru * Redistribution and use in source and binary forms, with or without 8 1.1 hikaru * modification, are permitted provided that the following conditions 9 1.1 hikaru * are met: 10 1.1 hikaru * 1. Redistributions of source code must retain the above copyright 11 1.1 hikaru * notice, this list of conditions and the following disclaimer. 12 1.1 hikaru * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 hikaru * notice, this list of conditions and the following disclaimer in the 14 1.1 hikaru * documentation and/or other materials provided with the distribution. 15 1.1 hikaru * 16 1.1 hikaru * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 1.1 hikaru * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1 hikaru * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1 hikaru * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 1.1 hikaru * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1 hikaru * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1 hikaru * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1 hikaru * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1 hikaru * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1 hikaru * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1 hikaru * SUCH DAMAGE. 27 1.1 hikaru */ 28 1.1 hikaru 29 1.1 hikaru /* 30 1.1 hikaru * PKO Registers 31 1.1 hikaru */ 32 1.1 hikaru 33 1.1 hikaru #ifndef _OCTEON_PKOVAR_H_ 34 1.1 hikaru #define _OCTEON_PKOVAR_H_ 35 1.1 hikaru 36 1.1 hikaru #include <mips/cavium/dev/octeon_fauvar.h> 37 1.1 hikaru #include <mips/cavium/dev/octeon_pkoreg.h> 38 1.1 hikaru 39 1.1 hikaru #define FAU_OP_SIZE_8 0 40 1.1 hikaru #define FAU_OP_SIZE_16 1 41 1.1 hikaru #define FAU_OP_SIZE_32 2 42 1.1 hikaru #define FAU_OP_SIZE_64 3 43 1.1 hikaru 44 1.1 hikaru #define PKO_OUTPUT_PORTS_NUM 5 45 1.1 hikaru #define PKO_OUTPUT_PORTS_PKTIF_NUM 3 46 1.1 hikaru #define PKO_OUTPUT_PORTS_PCIIF_NUM 2 47 1.1 hikaru #define PKO_MEM_QUEUE_PTRS_ILLEGAL_PID 63 48 1.1 hikaru 49 1.1 hikaru /* XXX */ 50 1.3 simonb struct octpko_cmdptr_desc { 51 1.1 hikaru uint64_t cmdptr; 52 1.1 hikaru uint64_t cmdptr_idx; 53 1.1 hikaru }; 54 1.1 hikaru 55 1.1 hikaru /* XXX */ 56 1.3 simonb struct octpko_softc { 57 1.1 hikaru int sc_port; 58 1.1 hikaru bus_space_tag_t sc_regt; 59 1.1 hikaru bus_space_handle_t sc_regh; 60 1.3 simonb struct octpko_cmdptr_desc 61 1.1 hikaru *sc_cmdptr; 62 1.1 hikaru int sc_cmd_buf_pool; 63 1.1 hikaru size_t sc_cmd_buf_size; 64 1.1 hikaru }; 65 1.1 hikaru 66 1.1 hikaru /* XXX */ 67 1.3 simonb struct octpko_attach_args { 68 1.1 hikaru int aa_port; 69 1.1 hikaru bus_space_tag_t aa_regt; 70 1.3 simonb struct octpko_cmdptr_desc *aa_cmdptr; 71 1.1 hikaru int aa_cmd_buf_pool; 72 1.1 hikaru size_t aa_cmd_buf_size; 73 1.1 hikaru }; 74 1.1 hikaru 75 1.1 hikaru /* XXX */ 76 1.3 simonb void octpko_init(struct octpko_attach_args *, 77 1.3 simonb struct octpko_softc **); 78 1.3 simonb int octpko_enable(struct octpko_softc *); 79 1.3 simonb int octpko_reset(struct octpko_softc *); 80 1.3 simonb void octpko_config(struct octpko_softc *); 81 1.3 simonb int octpko_port_enable(struct octpko_softc *, int); 82 1.3 simonb int octpko_port_config(struct octpko_softc *); 83 1.3 simonb void octpko_int_enable(struct octpko_softc *, int); 84 1.3 simonb uint64_t octpko_int_summary(struct octpko_softc *); 85 1.3 simonb static __inline uint64_t octpko_cmd_word0(int, int, int, int, int, int, 86 1.1 hikaru int, int, int, int, int, int, int, int, int, int); 87 1.3 simonb static __inline uint64_t octpko_cmd_word1(int, int, int, int, paddr_t); 88 1.1 hikaru 89 1.1 hikaru 90 1.2 christos static __inline uint64_t 91 1.3 simonb octpko_cmd_word0(int sz1, int sz0, int s1, int reg1, int s0, int reg0, 92 1.1 hikaru int le, int n2, int q, int r, int g, int ipoffp1, int ii, int df, int segs, 93 1.1 hikaru int totalbytes) 94 1.1 hikaru { 95 1.4 simonb uint64_t cmd = 96 1.4 simonb __SHIFTIN(sz1, PKO_CMD_WORD0_SZ1) | 97 1.4 simonb __SHIFTIN(sz0, PKO_CMD_WORD0_SZ0) | 98 1.4 simonb __SHIFTIN(s1, PKO_CMD_WORD0_S1) | 99 1.4 simonb __SHIFTIN(reg1, PKO_CMD_WORD0_REG1) | 100 1.4 simonb __SHIFTIN(s0, PKO_CMD_WORD0_S0) | 101 1.4 simonb __SHIFTIN(reg0, PKO_CMD_WORD0_REG0) | 102 1.4 simonb __SHIFTIN(le, PKO_CMD_WORD0_LE) | 103 1.4 simonb __SHIFTIN(n2, PKO_CMD_WORD0_N2) | 104 1.4 simonb __SHIFTIN(q, PKO_CMD_WORD0_Q) | 105 1.4 simonb __SHIFTIN(r, PKO_CMD_WORD0_R) | 106 1.4 simonb __SHIFTIN(g, PKO_CMD_WORD0_G) | 107 1.4 simonb __SHIFTIN(ipoffp1, PKO_CMD_WORD0_IPOFFP1) | 108 1.4 simonb __SHIFTIN(ii, PKO_CMD_WORD0_II) | 109 1.4 simonb __SHIFTIN(df, PKO_CMD_WORD0_DF) | 110 1.4 simonb __SHIFTIN(segs, PKO_CMD_WORD0_SEGS) | 111 1.4 simonb __SHIFTIN(totalbytes, PKO_CMD_WORD0_TOTALBYTES); 112 1.1 hikaru 113 1.1 hikaru return cmd; 114 1.1 hikaru } 115 1.1 hikaru 116 1.2 christos static __inline uint64_t 117 1.3 simonb octpko_cmd_word1(int i, int back, int pool, int size, paddr_t addr) 118 1.1 hikaru { 119 1.4 simonb uint64_t cmd = 120 1.4 simonb __SHIFTIN(i, PKO_CMD_WORD1_I) | 121 1.4 simonb __SHIFTIN(back, PKO_CMD_WORD1_BACK) | 122 1.4 simonb __SHIFTIN(pool, PKO_CMD_WORD1_POOL) | 123 1.4 simonb __SHIFTIN(size, PKO_CMD_WORD1_SIZE) | 124 1.4 simonb __SHIFTIN(addr, PKO_CMD_WORD1_ADDR); 125 1.1 hikaru 126 1.1 hikaru return cmd; 127 1.1 hikaru } 128 1.1 hikaru 129 1.1 hikaru /* ---- operation primitives */ 130 1.1 hikaru 131 1.1 hikaru /* Store Operations */ 132 1.1 hikaru 133 1.2 christos static __inline void 134 1.3 simonb octpko_op_store(uint64_t args, uint64_t value) 135 1.1 hikaru { 136 1.1 hikaru paddr_t addr; 137 1.1 hikaru 138 1.4 simonb addr = OCTEON_ADDR_IO_DID(PKO_MAJOR_DID, PKO_SUB_DID) | args; 139 1.1 hikaru /* XXX */ 140 1.1 hikaru OCTEON_SYNCW; 141 1.6 simonb octeon_xkphys_write_8(addr, value); 142 1.1 hikaru } 143 1.1 hikaru 144 1.2 christos static __inline void 145 1.3 simonb octpko_op_doorbell_write(int pid, int qid, int wdc) 146 1.1 hikaru { 147 1.1 hikaru uint64_t args, value; 148 1.1 hikaru 149 1.1 hikaru args = 150 1.4 simonb __SHIFTIN(pid, PKO_DOORBELL_WRITE_PID) | 151 1.4 simonb __SHIFTIN(qid, PKO_DOORBELL_WRITE_QID); 152 1.4 simonb value = __SHIFTIN(wdc, PKO_DOORBELL_WRITE_WDC); 153 1.3 simonb octpko_op_store(args, value); 154 1.1 hikaru } 155 1.1 hikaru 156 1.4 simonb #endif /* _OCTEON_PKOVAR_H_ */ 157