| if_fxp.c (23964) | if_fxp.c (24079) |
|---|---|
| 1/* 2 * Copyright (c) 1995, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * | 1/* 2 * Copyright (c) 1995, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
| 27 * $Id: if_fxp.c,v 1.29 1997/02/22 09:44:05 peter Exp $ | 27 * $Id: if_fxp.c,v 1.30 1997/03/17 11:08:14 davidg Exp $ |
| 28 */ 29 30/* 31 * Intel EtherExpress Pro/100B PCI Fast Ethernet driver 32 */ 33 34#include "bpfilter.h" 35 --- 921 unchanged lines hidden (view full) --- 957 */ 958 fxp_scb_wait(csr); 959 csr->scb_general = vtophys(sc->rfa_headm->m_ext.ext_buf); 960 csr->scb_command = FXP_SCB_COMMAND_RU_START; 961 962 /* 963 * Toggle a few bits in the DP83840 PHY. 964 */ | 28 */ 29 30/* 31 * Intel EtherExpress Pro/100B PCI Fast Ethernet driver 32 */ 33 34#include "bpfilter.h" 35 --- 921 unchanged lines hidden (view full) --- 957 */ 958 fxp_scb_wait(csr); 959 csr->scb_general = vtophys(sc->rfa_headm->m_ext.ext_buf); 960 csr->scb_command = FXP_SCB_COMMAND_RU_START; 961 962 /* 963 * Toggle a few bits in the DP83840 PHY. 964 */ |
| 965 if (sc->phy_primary_device == FXP_PHY_DP83840) { | 965 if (sc->phy_primary_device == FXP_PHY_DP83840 || 966 sc->phy_primary_device == FXP_PHY_DP83840A) { |
| 966 fxp_mdi_write(sc->csr, sc->phy_primary_addr, FXP_DP83840_PCR, 967 fxp_mdi_read(sc->csr, sc->phy_primary_addr, FXP_DP83840_PCR) | 968 FXP_DP83840_PCR_LED4_MODE | /* LED4 always indicates duplex */ 969 FXP_DP83840_PCR_F_CONNECT | /* force link disconnect bypass */ 970 FXP_DP83840_PCR_BIT10); /* XXX I have no idea */ | 967 fxp_mdi_write(sc->csr, sc->phy_primary_addr, FXP_DP83840_PCR, 968 fxp_mdi_read(sc->csr, sc->phy_primary_addr, FXP_DP83840_PCR) | 969 FXP_DP83840_PCR_LED4_MODE | /* LED4 always indicates duplex */ 970 FXP_DP83840_PCR_F_CONNECT | /* force link disconnect bypass */ 971 FXP_DP83840_PCR_BIT10); /* XXX I have no idea */ |
| 972 /* 973 * If link0 is set, disable auto-negotiation and then: 974 * If link1 is unset = 10Mbps 975 * If link1 is set = 100Mbps 976 * If link2 is unset = half duplex 977 * If link2 is set = full duplex 978 */ 979 if (ifp->if_flags & IFF_LINK0) { 980 int flags; 981 982 flags = (ifp->if_flags & IFF_LINK1) ? 983 FXP_DP83840_BMCR_SPEED_100M : 0; 984 flags |= (ifp->if_flags & IFF_LINK2) ? 985 FXP_DP83840_BMCR_FULLDUPLEX : 0; 986 fxp_mdi_write(sc->csr, sc->phy_primary_addr, FXP_DP83840_BMCR, 987 (fxp_mdi_read(sc->csr, sc->phy_primary_addr, FXP_DP83840_BMCR) & 988 ~(FXP_DP83840_BMCR_AUTOEN | FXP_DP83840_BMCR_SPEED_100M | 989 FXP_DP83840_BMCR_FULLDUPLEX)) | flags); 990 } else { 991 fxp_mdi_write(sc->csr, sc->phy_primary_addr, FXP_DP83840_BMCR, 992 (fxp_mdi_read(sc->csr, sc->phy_primary_addr, FXP_DP83840_BMCR) | 993 FXP_DP83840_BMCR_AUTOEN)); 994 } 995 } else { 996 printf("fxp%d: warning: unsupported PHY, type = %d, addr = %d\n", 997 ifp->if_unit, sc->phy_primary_device, sc->phy_primary_addr); |
|
| 971 } 972 973 ifp->if_flags |= IFF_RUNNING; 974 ifp->if_flags &= ~IFF_OACTIVE; 975 splx(s); 976 977 /* 978 * Start stats updater. --- 58 unchanged lines hidden (view full) --- 1037 } else { 1038 sc->rfa_headm = m; 1039 } 1040 sc->rfa_tailm = m; 1041 1042 return (m == oldm); 1043} 1044 | 998 } 999 1000 ifp->if_flags |= IFF_RUNNING; 1001 ifp->if_flags &= ~IFF_OACTIVE; 1002 splx(s); 1003 1004 /* 1005 * Start stats updater. --- 58 unchanged lines hidden (view full) --- 1064 } else { 1065 sc->rfa_headm = m; 1066 } 1067 sc->rfa_tailm = m; 1068 1069 return (m == oldm); 1070} 1071 |
| 1045static int | 1072static volatile int |
| 1046fxp_mdi_read(csr, phy, reg) 1047 struct fxp_csr *csr; 1048 int phy; 1049 int reg; 1050{ 1051 int count = 10000; | 1073fxp_mdi_read(csr, phy, reg) 1074 struct fxp_csr *csr; 1075 int phy; 1076 int reg; 1077{ 1078 int count = 10000; |
| 1079 int value; |
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| 1052 1053 csr->mdi_control = (FXP_MDI_READ << 26) | (reg << 16) | (phy << 21); 1054 | 1080 1081 csr->mdi_control = (FXP_MDI_READ << 26) | (reg << 16) | (phy << 21); 1082 |
| 1055 while ((csr->mdi_control & 0x10000000) == 0 && count--) 1056 DELAY(1); | 1083 while (((value = csr->mdi_control) & 0x10000000) == 0 && count--) 1084 DELAY(10); |
| 1057 1058 if (count <= 0) 1059 printf("fxp_mdi_read: timed out\n"); 1060 | 1085 1086 if (count <= 0) 1087 printf("fxp_mdi_read: timed out\n"); 1088 |
| 1061 return (csr->mdi_control & 0xffff); | 1089 return (value & 0xffff); |
| 1062} 1063 1064static void 1065fxp_mdi_write(csr, phy, reg, value) 1066 struct fxp_csr *csr; 1067 int phy; 1068 int reg; 1069 int value; 1070{ 1071 int count = 10000; 1072 1073 csr->mdi_control = (FXP_MDI_WRITE << 26) | (reg << 16) | (phy << 21) 1074 | (value & 0xffff); 1075 | 1090} 1091 1092static void 1093fxp_mdi_write(csr, phy, reg, value) 1094 struct fxp_csr *csr; 1095 int phy; 1096 int reg; 1097 int value; 1098{ 1099 int count = 10000; 1100 1101 csr->mdi_control = (FXP_MDI_WRITE << 26) | (reg << 16) | (phy << 21) 1102 | (value & 0xffff); 1103 |
| 1076 while ((csr->mdi_control & 10000000) == 0 && count--) 1077 DELAY(1); | 1104 while ((csr->mdi_control & 0x10000000) == 0 && count--) 1105 DELAY(10); |
| 1078 1079 if (count <= 0) 1080 printf("fxp_mdi_write: timed out\n"); 1081} 1082 1083static int 1084fxp_ioctl(ifp, command, data) 1085 struct ifnet *ifp; --- 50 unchanged lines hidden --- | 1106 1107 if (count <= 0) 1108 printf("fxp_mdi_write: timed out\n"); 1109} 1110 1111static int 1112fxp_ioctl(ifp, command, data) 1113 struct ifnet *ifp; --- 50 unchanged lines hidden --- |