rgmii.c revision 1.1.6.2
1 1.1.6.2 yamt /* $NetBSD: rgmii.c,v 1.1.6.2 2010/08/11 22:52:33 yamt Exp $ */ 2 1.1.6.2 yamt /* 3 1.1.6.2 yamt * Copyright (c) 2010 KIYOHARA Takashi 4 1.1.6.2 yamt * All rights reserved. 5 1.1.6.2 yamt * 6 1.1.6.2 yamt * Redistribution and use in source and binary forms, with or without 7 1.1.6.2 yamt * modification, are permitted provided that the following conditions 8 1.1.6.2 yamt * are met: 9 1.1.6.2 yamt * 1. Redistributions of source code must retain the above copyright 10 1.1.6.2 yamt * notice, this list of conditions and the following disclaimer. 11 1.1.6.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 12 1.1.6.2 yamt * notice, this list of conditions and the following disclaimer in the 13 1.1.6.2 yamt * documentation and/or other materials provided with the distribution. 14 1.1.6.2 yamt * 15 1.1.6.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 1.1.6.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 1.1.6.2 yamt * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 1.1.6.2 yamt * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 1.1.6.2 yamt * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 1.1.6.2 yamt * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 1.1.6.2 yamt * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 1.1.6.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 1.1.6.2 yamt * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 1.1.6.2 yamt * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 1.1.6.2 yamt * POSSIBILITY OF SUCH DAMAGE. 26 1.1.6.2 yamt */ 27 1.1.6.2 yamt #include <sys/cdefs.h> 28 1.1.6.2 yamt __KERNEL_RCSID(0, "$NetBSD: rgmii.c,v 1.1.6.2 2010/08/11 22:52:33 yamt Exp $"); 29 1.1.6.2 yamt 30 1.1.6.2 yamt #include <sys/param.h> 31 1.1.6.2 yamt #include <sys/bus.h> 32 1.1.6.2 yamt #include <sys/device.h> 33 1.1.6.2 yamt 34 1.1.6.2 yamt #include <net/if.h> 35 1.1.6.2 yamt #include <net/if_media.h> 36 1.1.6.2 yamt 37 1.1.6.2 yamt #include <powerpc/ibm4xx/dev/rgmiireg.h> 38 1.1.6.2 yamt #include <powerpc/ibm4xx/dev/rmiivar.h> 39 1.1.6.2 yamt #include <powerpc/ibm4xx/dev/opbvar.h> 40 1.1.6.2 yamt 41 1.1.6.2 yamt 42 1.1.6.2 yamt static void rgmii_enable(device_t, int); 43 1.1.6.2 yamt static void rgmii_disable(device_t, int); 44 1.1.6.2 yamt static void rgmii_speed(device_t, int, int); 45 1.1.6.2 yamt 46 1.1.6.2 yamt 47 1.1.6.2 yamt void 48 1.1.6.2 yamt rgmii_attach(device_t self, int instance, 49 1.1.6.2 yamt void (**enable)(device_t, int), 50 1.1.6.2 yamt void (**disable)(device_t, int), 51 1.1.6.2 yamt void (**speed)(device_t, int, int)) 52 1.1.6.2 yamt { 53 1.1.6.2 yamt struct opb_softc *sc = device_private(self); 54 1.1.6.2 yamt uint32_t ssr; 55 1.1.6.2 yamt 56 1.1.6.2 yamt instance %= 2; 57 1.1.6.2 yamt 58 1.1.6.2 yamt rgmii_disable(self, instance); 59 1.1.6.2 yamt ssr = bus_space_read_4(sc->sc_iot, sc->sc_rgmiih, RGMII0_SSR); 60 1.1.6.2 yamt ssr &= ~SSR_SP(instance, SSR_SP_MASK); 61 1.1.6.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_rgmiih, RGMII0_SSR, ssr); 62 1.1.6.2 yamt 63 1.1.6.2 yamt *enable = rgmii_enable; 64 1.1.6.2 yamt *disable = rgmii_disable; 65 1.1.6.2 yamt *speed = rgmii_speed; 66 1.1.6.2 yamt } 67 1.1.6.2 yamt 68 1.1.6.2 yamt static void 69 1.1.6.2 yamt rgmii_enable(device_t self, int instance) 70 1.1.6.2 yamt { 71 1.1.6.2 yamt struct opb_softc *sc = device_private(self); 72 1.1.6.2 yamt uint32_t fer; 73 1.1.6.2 yamt 74 1.1.6.2 yamt instance %= 2; 75 1.1.6.2 yamt 76 1.1.6.2 yamt fer = bus_space_read_4(sc->sc_iot, sc->sc_rgmiih, RGMII0_FER); 77 1.1.6.2 yamt fer &= ~FER_MDIOEN_MASK; 78 1.1.6.2 yamt fer |= FER_MDIOEN(instance); 79 1.1.6.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_rgmiih, RGMII0_FER, fer); 80 1.1.6.2 yamt } 81 1.1.6.2 yamt 82 1.1.6.2 yamt static void 83 1.1.6.2 yamt rgmii_disable(device_t self, int instance) 84 1.1.6.2 yamt { 85 1.1.6.2 yamt struct opb_softc *sc = device_private(self); 86 1.1.6.2 yamt uint32_t fer; 87 1.1.6.2 yamt 88 1.1.6.2 yamt instance %= 2; 89 1.1.6.2 yamt 90 1.1.6.2 yamt fer = bus_space_read_4(sc->sc_iot, sc->sc_rgmiih, RGMII0_FER); 91 1.1.6.2 yamt fer &= ~FER_MDIOEN_MASK; 92 1.1.6.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_rgmiih, RGMII0_FER, fer); 93 1.1.6.2 yamt } 94 1.1.6.2 yamt 95 1.1.6.2 yamt static void 96 1.1.6.2 yamt rgmii_speed(device_t self, int instance, int speed) 97 1.1.6.2 yamt { 98 1.1.6.2 yamt struct opb_softc *sc = device_private(self); 99 1.1.6.2 yamt uint32_t ssr; 100 1.1.6.2 yamt 101 1.1.6.2 yamt instance %= 2; 102 1.1.6.2 yamt 103 1.1.6.2 yamt ssr = bus_space_read_4(sc->sc_iot, sc->sc_rgmiih, RGMII0_SSR); 104 1.1.6.2 yamt ssr &= ~SSR_SP(instance, SSR_SP_MASK); 105 1.1.6.2 yamt switch (speed) { 106 1.1.6.2 yamt case IFM_1000_T: 107 1.1.6.2 yamt ssr |= SSR_SP(instance, SSR_SP_1000MBPS); 108 1.1.6.2 yamt break; 109 1.1.6.2 yamt case IFM_100_TX: 110 1.1.6.2 yamt ssr |= SSR_SP(instance, SSR_SP_100MBPS); 111 1.1.6.2 yamt break; 112 1.1.6.2 yamt case IFM_10_T: 113 1.1.6.2 yamt ssr |= SSR_SP(instance, SSR_SP_10MBPS); 114 1.1.6.2 yamt break; 115 1.1.6.2 yamt } 116 1.1.6.2 yamt bus_space_write_4(sc->sc_iot, sc->sc_rgmiih, RGMII0_SSR, ssr); 117 1.1.6.2 yamt } 118
Indexes created Wed Oct 01 19:09:53 GMT 2025