1 #ifndef _MII_H_ 2 #define _MII_H_ 3 4 /** @file 5 * 6 * Media Independent Interface constants 7 * 8 * Extracted from Linux's include/linux/mii.h 9 * 10 * Copyright (C) 1996, 1999, 2001 David S. Miller (davem@redhat.com) 11 * 12 */ 13 14 FILE_LICENCE ( GPL2_ONLY ); 15 16 /* Generic MII registers. */ 17 #define MII_BMCR 0x00 /* Basic mode control register */ 18 #define MII_BMSR 0x01 /* Basic mode status register */ 19 #define MII_PHYSID1 0x02 /* PHYS ID 1 */ 20 #define MII_PHYSID2 0x03 /* PHYS ID 2 */ 21 #define MII_ADVERTISE 0x04 /* Advertisement control reg */ 22 #define MII_LPA 0x05 /* Link partner ability reg */ 23 #define MII_EXPANSION 0x06 /* Expansion register */ 24 #define MII_CTRL1000 0x09 /* 1000BASE-T control */ 25 #define MII_STAT1000 0x0a /* 1000BASE-T status */ 26 #define MII_ESTATUS 0x0f /* Extended Status */ 27 #define MII_DCOUNTER 0x12 /* Disconnect counter */ 28 #define MII_FCSCOUNTER 0x13 /* False carrier counter */ 29 #define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */ 30 #define MII_RERRCOUNTER 0x15 /* Receive error counter */ 31 #define MII_SREVISION 0x16 /* Silicon revision */ 32 #define MII_RESV1 0x17 /* Reserved... */ 33 #define MII_LBRERROR 0x18 /* Lpback, rx, bypass error */ 34 #define MII_PHYADDR 0x19 /* PHY address */ 35 #define MII_RESV2 0x1a /* Reserved... */ 36 #define MII_TPISTATUS 0x1b /* TPI status for 10mbps */ 37 #define MII_NCONFIG 0x1c /* Network interface config */ 38 39 /* Basic mode control register. */ 40 #define BMCR_RESV 0x003f /* Unused... */ 41 #define BMCR_SPEED1000 0x0040 /* MSB of Speed (1000) */ 42 #define BMCR_CTST 0x0080 /* Collision test */ 43 #define BMCR_FULLDPLX 0x0100 /* Full duplex */ 44 #define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */ 45 #define BMCR_ISOLATE 0x0400 /* Disconnect DP83840 from MII */ 46 #define BMCR_PDOWN 0x0800 /* Powerdown the DP83840 */ 47 #define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */ 48 #define BMCR_SPEED100 0x2000 /* Select 100Mbps */ 49 #define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */ 50 #define BMCR_RESET 0x8000 /* Reset the DP83840 */ 51 52 /* Basic mode status register. */ 53 #define BMSR_ERCAP 0x0001 /* Ext-reg capability */ 54 #define BMSR_JCD 0x0002 /* Jabber detected */ 55 #define BMSR_LSTATUS 0x0004 /* Link status */ 56 #define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */ 57 #define BMSR_RFAULT 0x0010 /* Remote fault detected */ 58 #define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */ 59 #define BMSR_RESV 0x00c0 /* Unused... */ 60 #define BMSR_ESTATEN 0x0100 /* Extended Status in R15 */ 61 #define BMSR_100HALF2 0x0200 /* Can do 100BASE-T2 HDX */ 62 #define BMSR_100FULL2 0x0400 /* Can do 100BASE-T2 FDX */ 63 #define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */ 64 #define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */ 65 #define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */ 66 #define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */ 67 #define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */ 68 69 /* Advertisement control register. */ 70 #define ADVERTISE_SLCT 0x001f /* Selector bits */ 71 #define ADVERTISE_CSMA 0x0001 /* Only selector supported */ 72 #define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */ 73 #define ADVERTISE_1000XFULL 0x0020 /* Try for 1000BASE-X full-duplex */ 74 #define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */ 75 #define ADVERTISE_1000XHALF 0x0040 /* Try for 1000BASE-X half-duplex */ 76 #define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */ 77 #define ADVERTISE_1000XPAUSE 0x0080 /* Try for 1000BASE-X pause */ 78 #define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */ 79 #define ADVERTISE_1000XPSE_ASYM 0x0100 /* Try for 1000BASE-X asym pause */ 80 #define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */ 81 #define ADVERTISE_PAUSE_CAP 0x0400 /* Try for pause */ 82 #define ADVERTISE_PAUSE_ASYM 0x0800 /* Try for asymetric pause */ 83 #define ADVERTISE_RESV 0x1000 /* Unused... */ 84 #define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */ 85 #define ADVERTISE_LPACK 0x4000 /* Ack link partners response */ 86 #define ADVERTISE_NPAGE 0x8000 /* Next page bit */ 87 88 #define ADVERTISE_FULL ( ADVERTISE_100FULL | ADVERTISE_10FULL | \ 89 ADVERTISE_CSMA) 90 #define ADVERTISE_ALL ( ADVERTISE_10HALF | ADVERTISE_10FULL | \ 91 ADVERTISE_100HALF | ADVERTISE_100FULL ) 92 93 /* Link partner ability register. */ 94 #define LPA_SLCT 0x001f /* Same as advertise selector */ 95 #define LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */ 96 #define LPA_1000XFULL 0x0020 /* Can do 1000BASE-X full-duplex */ 97 #define LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */ 98 #define LPA_1000XHALF 0x0040 /* Can do 1000BASE-X half-duplex */ 99 #define LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */ 100 #define LPA_1000XPAUSE 0x0080 /* Can do 1000BASE-X pause */ 101 #define LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */ 102 #define LPA_1000XPAUSE_ASYM 0x0100 /* Can do 1000BASE-X pause asym*/ 103 #define LPA_100BASE4 0x0200 /* Can do 100mbps 4k packets */ 104 #define LPA_PAUSE_CAP 0x0400 /* Can pause */ 105 #define LPA_PAUSE_ASYM 0x0800 /* Can pause asymetrically */ 106 #define LPA_RESV 0x1000 /* Unused... */ 107 #define LPA_RFAULT 0x2000 /* Link partner faulted */ 108 #define LPA_LPACK 0x4000 /* Link partner acked us */ 109 #define LPA_NPAGE 0x8000 /* Next page bit */ 110 111 #define LPA_DUPLEX ( LPA_10FULL | LPA_100FULL ) 112 #define LPA_100 ( LPA_100FULL | LPA_100HALF | LPA_100BASE4 ) 113 114 /* Expansion register for auto-negotiation. */ 115 #define EXPANSION_NWAY 0x0001 /* Can do N-way auto-nego */ 116 #define EXPANSION_LCWP 0x0002 /* Got new RX page code word */ 117 #define EXPANSION_ENABLENPAGE 0x0004 /* This enables npage words */ 118 #define EXPANSION_NPCAPABLE 0x0008 /* Link partner supports npage */ 119 #define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */ 120 #define EXPANSION_RESV 0xffe0 /* Unused... */ 121 122 #define ESTATUS_1000_TFULL 0x2000 /* Can do 1000BT Full */ 123 #define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */ 124 125 /* N-way test register. */ 126 #define NWAYTEST_RESV1 0x00ff /* Unused... */ 127 #define NWAYTEST_LOOPBACK 0x0100 /* Enable loopback for N-way */ 128 #define NWAYTEST_RESV2 0xfe00 /* Unused... */ 129 130 /* 1000BASE-T Control register */ 131 #define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */ 132 #define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */ 133 134 /* 1000BASE-T Status register */ 135 #define LPA_1000LOCALRXOK 0x2000 /* Partner local receiver status */ 136 #define LPA_1000REMRXOK 0x1000 /* Partner remote receiver status */ 137 #define LPA_1000FULL 0x0800 /* Partner 1000BASE-T full duplex */ 138 #define LPA_1000HALF 0x0400 /* Partner 1000BASE-T half duplex */ 139 140 #include <ipxe/netdevice.h> 141 142 struct mii_if_info { 143 int phy_id; 144 int advertising; 145 int phy_id_mask; 146 int reg_num_mask; 147 148 unsigned int full_duplex : 1; /* is full duplex? */ 149 unsigned int force_media : 1; /* is autoneg. disabled? */ 150 unsigned int supports_gmii : 1; /* are GMII registers supported? */ 151 152 struct net_device *dev; 153 int (*mdio_read) (struct net_device *dev, int phy_id, int location); 154 void (*mdio_write) (struct net_device *dev, int phy_id, int location, int val); 155 }; 156 157 #endif 158