octeon_asx.c revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: octeon_asx.c,v 1.1.2.2 2015/06/06 14:40:01 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /* 4 1.1.2.2 skrll * Copyright (c) 2007 Internet Initiative Japan, Inc. 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 skrll * modification, are permitted provided that the following conditions 9 1.1.2.2 skrll * are met: 10 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.1.2.2 skrll * 16 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 1.1.2.2 skrll * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1.2.2 skrll * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1.2.2 skrll * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 1.1.2.2 skrll * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1.2.2 skrll * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1.2.2 skrll * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.2.2 skrll * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1.2.2 skrll * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.2.2 skrll * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.2.2 skrll * SUCH DAMAGE. 27 1.1.2.2 skrll */ 28 1.1.2.2 skrll 29 1.1.2.2 skrll #include <sys/cdefs.h> 30 1.1.2.2 skrll __KERNEL_RCSID(0, "$NetBSD: octeon_asx.c,v 1.1.2.2 2015/06/06 14:40:01 skrll Exp $"); 31 1.1.2.2 skrll 32 1.1.2.2 skrll #include "opt_octeon.h" 33 1.1.2.2 skrll 34 1.1.2.2 skrll #include <sys/param.h> 35 1.1.2.2 skrll #include <sys/systm.h> 36 1.1.2.2 skrll #include <sys/malloc.h> 37 1.1.2.2 skrll #include <mips/cavium/octeonvar.h> 38 1.1.2.2 skrll #include <mips/cavium/dev/octeon_asxreg.h> 39 1.1.2.2 skrll #include <mips/cavium/dev/octeon_asxvar.h> 40 1.1.2.2 skrll 41 1.1.2.2 skrll #ifdef OCTEON_ETH_DEBUG 42 1.1.2.2 skrll void octeon_asx_intr_evcnt_attach(struct octeon_asx_softc *); 43 1.1.2.2 skrll void octeon_asx_intr_rml(void *); 44 1.1.2.2 skrll #endif 45 1.1.2.2 skrll 46 1.1.2.2 skrll #ifdef OCTEON_ETH_DEBUG 47 1.1.2.2 skrll struct octeon_asx_softc *__octeon_asx_softc; 48 1.1.2.2 skrll #endif 49 1.1.2.2 skrll 50 1.1.2.2 skrll /* XXX */ 51 1.1.2.2 skrll void 52 1.1.2.2 skrll octeon_asx_init(struct octeon_asx_attach_args *aa, 53 1.1.2.2 skrll struct octeon_asx_softc **rsc) 54 1.1.2.2 skrll { 55 1.1.2.2 skrll struct octeon_asx_softc *sc; 56 1.1.2.2 skrll int status; 57 1.1.2.2 skrll 58 1.1.2.2 skrll sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO); 59 1.1.2.2 skrll if (sc == NULL) 60 1.1.2.2 skrll panic("can't allocate memory: %s", __func__); 61 1.1.2.2 skrll 62 1.1.2.2 skrll sc->sc_port = aa->aa_port; 63 1.1.2.2 skrll sc->sc_regt = aa->aa_regt; 64 1.1.2.2 skrll 65 1.1.2.2 skrll status = bus_space_map(sc->sc_regt, ASX0_BASE, ASX0_SIZE, 0, 66 1.1.2.2 skrll &sc->sc_regh); 67 1.1.2.2 skrll if (status != 0) 68 1.1.2.2 skrll panic("can't map %s space", "asx register"); 69 1.1.2.2 skrll 70 1.1.2.2 skrll *rsc = sc; 71 1.1.2.2 skrll 72 1.1.2.2 skrll #ifdef OCTEON_ETH_DEBUG 73 1.1.2.2 skrll octeon_asx_intr_evcnt_attach(sc); 74 1.1.2.2 skrll if (__octeon_asx_softc == NULL) 75 1.1.2.2 skrll __octeon_asx_softc = sc; 76 1.1.2.2 skrll #endif 77 1.1.2.2 skrll } 78 1.1.2.2 skrll 79 1.1.2.2 skrll #define _ASX_RD8(sc, off) \ 80 1.1.2.2 skrll bus_space_read_8((sc)->sc_regt, (sc)->sc_regh, (off)) 81 1.1.2.2 skrll #define _ASX_WR8(sc, off, v) \ 82 1.1.2.2 skrll bus_space_write_8((sc)->sc_regt, (sc)->sc_regh, (off), (v)) 83 1.1.2.2 skrll 84 1.1.2.2 skrll static int octeon_asx_enable_tx(struct octeon_asx_softc *, int); 85 1.1.2.2 skrll static int octeon_asx_enable_rx(struct octeon_asx_softc *, int); 86 1.1.2.2 skrll #ifdef OCTEON_ETH_DEBUG 87 1.1.2.2 skrll static int octeon_asx_enable_intr(struct octeon_asx_softc *, int); 88 1.1.2.2 skrll #endif 89 1.1.2.2 skrll 90 1.1.2.2 skrll int 91 1.1.2.2 skrll octeon_asx_enable(struct octeon_asx_softc *sc, int enable) 92 1.1.2.2 skrll { 93 1.1.2.2 skrll 94 1.1.2.2 skrll #ifdef OCTEON_ETH_DEBUG 95 1.1.2.2 skrll octeon_asx_enable_intr(sc, enable); 96 1.1.2.2 skrll #endif 97 1.1.2.2 skrll octeon_asx_enable_tx(sc, enable); 98 1.1.2.2 skrll octeon_asx_enable_rx(sc, enable); 99 1.1.2.2 skrll return 0; 100 1.1.2.2 skrll } 101 1.1.2.2 skrll 102 1.1.2.2 skrll static int 103 1.1.2.2 skrll octeon_asx_enable_tx(struct octeon_asx_softc *sc, int enable) 104 1.1.2.2 skrll { 105 1.1.2.2 skrll uint64_t asx_tx_port; 106 1.1.2.2 skrll 107 1.1.2.2 skrll asx_tx_port = _ASX_RD8(sc, ASX0_TX_PRT_EN_OFFSET); 108 1.1.2.2 skrll if (enable) 109 1.1.2.2 skrll SET(asx_tx_port, 1 << sc->sc_port); 110 1.1.2.2 skrll else 111 1.1.2.2 skrll CLR(asx_tx_port, 1 << sc->sc_port); 112 1.1.2.2 skrll _ASX_WR8(sc, ASX0_TX_PRT_EN_OFFSET, asx_tx_port); 113 1.1.2.2 skrll return 0; 114 1.1.2.2 skrll } 115 1.1.2.2 skrll 116 1.1.2.2 skrll static int 117 1.1.2.2 skrll octeon_asx_enable_rx(struct octeon_asx_softc *sc, int enable) 118 1.1.2.2 skrll { 119 1.1.2.2 skrll uint64_t asx_rx_port; 120 1.1.2.2 skrll 121 1.1.2.2 skrll asx_rx_port = _ASX_RD8(sc, ASX0_RX_PRT_EN_OFFSET); 122 1.1.2.2 skrll if (enable) 123 1.1.2.2 skrll SET(asx_rx_port, 1 << sc->sc_port); 124 1.1.2.2 skrll else 125 1.1.2.2 skrll CLR(asx_rx_port, 1 << sc->sc_port); 126 1.1.2.2 skrll _ASX_WR8(sc, ASX0_RX_PRT_EN_OFFSET, asx_rx_port); 127 1.1.2.2 skrll return 0; 128 1.1.2.2 skrll } 129 1.1.2.2 skrll 130 1.1.2.2 skrll #if defined(OCTEON_ETH_DEBUG) 131 1.1.2.2 skrll int octeon_asx_intr_rml_verbose; 132 1.1.2.2 skrll 133 1.1.2.2 skrll static const struct octeon_evcnt_entry octeon_asx_intr_evcnt_entries[] = { 134 1.1.2.2 skrll #define _ENTRY(name, type, parent, descr) \ 135 1.1.2.2 skrll OCTEON_EVCNT_ENTRY(struct octeon_asx_softc, name, type, parent, descr) 136 1.1.2.2 skrll _ENTRY(asxrxpsh, MISC, NULL, "asx tx fifo overflow"), 137 1.1.2.2 skrll _ENTRY(asxtxpop, MISC, NULL, "asx tx fifo underflow"), 138 1.1.2.2 skrll _ENTRY(asxovrflw, MISC, NULL, "asx rx fifo overflow"), 139 1.1.2.2 skrll #undef _ENTRY 140 1.1.2.2 skrll }; 141 1.1.2.2 skrll 142 1.1.2.2 skrll void 143 1.1.2.2 skrll octeon_asx_intr_evcnt_attach(struct octeon_asx_softc *sc) 144 1.1.2.2 skrll { 145 1.1.2.2 skrll OCTEON_EVCNT_ATTACH_EVCNTS(sc, octeon_asx_intr_evcnt_entries, "asx0"); 146 1.1.2.2 skrll } 147 1.1.2.2 skrll 148 1.1.2.2 skrll void 149 1.1.2.2 skrll octeon_asx_intr_rml(void *arg) 150 1.1.2.2 skrll { 151 1.1.2.2 skrll struct octeon_asx_softc *sc = __octeon_asx_softc; 152 1.1.2.2 skrll uint64_t reg = 0; 153 1.1.2.2 skrll 154 1.1.2.2 skrll reg = octeon_asx_int_summary(sc); 155 1.1.2.2 skrll if (octeon_asx_intr_rml_verbose) 156 1.1.2.2 skrll printf("%s: ASX_INT_REG=0x%016" PRIx64 "\n", __func__, reg); 157 1.1.2.2 skrll if (reg & ASX0_INT_REG_TXPSH) 158 1.1.2.2 skrll OCTEON_EVCNT_INC(sc, asxrxpsh); 159 1.1.2.2 skrll if (reg & ASX0_INT_REG_TXPOP) 160 1.1.2.2 skrll OCTEON_EVCNT_INC(sc, asxtxpop); 161 1.1.2.2 skrll if (reg & ASX0_INT_REG_OVRFLW) 162 1.1.2.2 skrll OCTEON_EVCNT_INC(sc, asxovrflw); 163 1.1.2.2 skrll } 164 1.1.2.2 skrll 165 1.1.2.2 skrll static int 166 1.1.2.2 skrll octeon_asx_enable_intr(struct octeon_asx_softc *sc, int enable) 167 1.1.2.2 skrll { 168 1.1.2.2 skrll uint64_t asx_int_xxx = 0; 169 1.1.2.2 skrll 170 1.1.2.2 skrll SET(asx_int_xxx, 171 1.1.2.2 skrll ASX0_INT_REG_TXPSH | 172 1.1.2.2 skrll ASX0_INT_REG_TXPOP | 173 1.1.2.2 skrll ASX0_INT_REG_OVRFLW); 174 1.1.2.2 skrll _ASX_WR8(sc, ASX0_INT_REG_OFFSET, asx_int_xxx); 175 1.1.2.2 skrll _ASX_WR8(sc, ASX0_INT_EN_OFFSET, enable ? asx_int_xxx : 0); 176 1.1.2.2 skrll return 0; 177 1.1.2.2 skrll } 178 1.1.2.2 skrll #endif 179 1.1.2.2 skrll 180 1.1.2.2 skrll int 181 1.1.2.2 skrll octeon_asx_clk_set(struct octeon_asx_softc *sc, int tx_setting, int rx_setting) 182 1.1.2.2 skrll { 183 1.1.2.2 skrll _ASX_WR8(sc, ASX0_TX_CLK_SET0_OFFSET + 8 * sc->sc_port, tx_setting); 184 1.1.2.2 skrll _ASX_WR8(sc, ASX0_RX_CLK_SET0_OFFSET + 8 * sc->sc_port, rx_setting); 185 1.1.2.2 skrll return 0; 186 1.1.2.2 skrll } 187 1.1.2.2 skrll 188 1.1.2.2 skrll #ifdef OCTEON_ETH_DEBUG 189 1.1.2.2 skrll uint64_t 190 1.1.2.2 skrll octeon_asx_int_summary(struct octeon_asx_softc *sc) 191 1.1.2.2 skrll { 192 1.1.2.2 skrll uint64_t summary; 193 1.1.2.2 skrll 194 1.1.2.2 skrll summary = _ASX_RD8(sc, ASX0_INT_REG_OFFSET); 195 1.1.2.2 skrll _ASX_WR8(sc, ASX0_INT_REG_OFFSET, summary); 196 1.1.2.2 skrll return summary; 197 1.1.2.2 skrll } 198 1.1.2.2 skrll 199 1.1.2.2 skrll #define _ENTRY(x) { #x, x##_BITS, x##_OFFSET } 200 1.1.2.2 skrll 201 1.1.2.2 skrll struct octeon_asx_dump_reg_ { 202 1.1.2.2 skrll const char *name; 203 1.1.2.2 skrll const char *format; 204 1.1.2.2 skrll size_t offset; 205 1.1.2.2 skrll }; 206 1.1.2.2 skrll 207 1.1.2.2 skrll void octeon_asx_dump(void); 208 1.1.2.2 skrll 209 1.1.2.2 skrll static const struct octeon_asx_dump_reg_ octeon_asx_dump_regs_[] = { 210 1.1.2.2 skrll _ENTRY(ASX0_RX_PRT_EN), 211 1.1.2.2 skrll _ENTRY(ASX0_TX_PRT_EN), 212 1.1.2.2 skrll _ENTRY(ASX0_INT_REG), 213 1.1.2.2 skrll _ENTRY(ASX0_INT_EN), 214 1.1.2.2 skrll _ENTRY(ASX0_RX_CLK_SET0), 215 1.1.2.2 skrll _ENTRY(ASX0_RX_CLK_SET1), 216 1.1.2.2 skrll _ENTRY(ASX0_RX_CLK_SET2), 217 1.1.2.2 skrll _ENTRY(ASX0_PRT_LOOP), 218 1.1.2.2 skrll _ENTRY(ASX0_TX_CLK_SET0), 219 1.1.2.2 skrll _ENTRY(ASX0_TX_CLK_SET1), 220 1.1.2.2 skrll _ENTRY(ASX0_TX_CLK_SET2), 221 1.1.2.2 skrll _ENTRY(ASX0_COMP_BYP), 222 1.1.2.2 skrll _ENTRY(ASX0_TX_HI_WATER000), 223 1.1.2.2 skrll _ENTRY(ASX0_TX_HI_WATER001), 224 1.1.2.2 skrll _ENTRY(ASX0_TX_HI_WATER002), 225 1.1.2.2 skrll _ENTRY(ASX0_GMII_RX_CLK_SET), 226 1.1.2.2 skrll _ENTRY(ASX0_GMII_RX_DAT_SET), 227 1.1.2.2 skrll _ENTRY(ASX0_MII_RX_DAT_SET), 228 1.1.2.2 skrll }; 229 1.1.2.2 skrll 230 1.1.2.2 skrll void 231 1.1.2.2 skrll octeon_asx_dump(void) 232 1.1.2.2 skrll { 233 1.1.2.2 skrll struct octeon_asx_softc *sc = __octeon_asx_softc; 234 1.1.2.2 skrll const struct octeon_asx_dump_reg_ *reg; 235 1.1.2.2 skrll uint64_t tmp; 236 1.1.2.2 skrll char buf[512]; 237 1.1.2.2 skrll int i; 238 1.1.2.2 skrll 239 1.1.2.2 skrll for (i = 0; i < (int)__arraycount(octeon_asx_dump_regs_); i++) { 240 1.1.2.2 skrll reg = &octeon_asx_dump_regs_[i]; 241 1.1.2.2 skrll tmp = _ASX_RD8(sc, reg->offset); 242 1.1.2.2 skrll if (reg->format == NULL) 243 1.1.2.2 skrll snprintf(buf, sizeof(buf), "%016" PRIx64, tmp); 244 1.1.2.2 skrll else 245 1.1.2.2 skrll snprintb(buf, sizeof(buf), reg->format, tmp); 246 1.1.2.2 skrll printf("\t%-24s: %s\n", reg->name, buf); 247 1.1.2.2 skrll } 248 1.1.2.2 skrll } 249 1.1.2.2 skrll #endif 250
Indexes created Mon Oct 20 20:10:13 GMT 2025