1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * MII overrides for National Semiconductor PHYs. 28 */ 29 30 #include <sys/types.h> 31 #include <sys/ddi.h> 32 #include <sys/sunddi.h> 33 #include <sys/mii.h> 34 #include <sys/miiregs.h> 35 #include "miipriv.h" 36 37 static int 38 ns83840_reset(phy_handle_t *ph) 39 { 40 /* first do an ordinary reset */ 41 if (phy_reset(ph) != DDI_SUCCESS) { 42 return (DDI_FAILURE); 43 } 44 45 /* 46 * As per INTEL "PRO/100B Adapter Software Technical Reference 47 * Manual", set bit 10 of MII register 23. National 48 * Semiconductor documentation shows this as "reserved, write 49 * to as zero". We also set the "CIM_DIS" bit, also as 50 * requested by the PRO/100B doc, to disable the carrier 51 * integrity monitor. (That should only ever be used by 52 * repeaters.) 53 * 54 * NetBSD also sets bit 8, without any explanation, so we'll 55 * follow suit. 56 */ 57 PHY_SET(ph, MII_VENDOR(7), (1<<10) | (1<<8) | (1<<5)); 58 return (DDI_SUCCESS); 59 } 60 61 boolean_t 62 phy_natsemi_probe(phy_handle_t *ph) 63 { 64 /* We could even look at revA vs revC, etc. but there is no need. */ 65 if ((MII_PHY_MFG(ph->phy_id) != MII_OUI_NATIONAL_SEMI) && 66 (MII_PHY_MFG(ph->phy_id) != MII_OUI_NATIONAL_SEMI_2)) { 67 return (B_FALSE); 68 } 69 ph->phy_vendor = "National Semiconductor"; 70 71 switch (MII_PHY_MODEL(ph->phy_id)) { 72 case MII_MODEL_NATIONAL_SEMI_DP83840: 73 ph->phy_model = "DP83840"; 74 ph->phy_reset = ns83840_reset; 75 return (B_TRUE); 76 77 case MII_MODEL_NATIONAL_SEMI_DP83843: 78 ph->phy_model = "DP83843"; 79 return (B_TRUE); 80 81 case MII_MODEL_NATIONAL_SEMI_DP83847: 82 ph->phy_model = "DP83847"; 83 return (B_TRUE); 84 85 case MII_MODEL_NATIONAL_SEMI_DP83815: 86 ph->phy_model = "DP83815"; 87 return (B_TRUE); 88 } 89 return (B_FALSE); 90 } 91