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Diffstat (limited to 'cpukit/libnetworking/dev/mii/mii.h')
| -rw-r--r-- | cpukit/libnetworking/dev/mii/mii.h | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/cpukit/libnetworking/dev/mii/mii.h b/cpukit/libnetworking/dev/mii/mii.h new file mode 100644 index 0000000000..14e45b0462 --- /dev/null +++ b/cpukit/libnetworking/dev/mii/mii.h @@ -0,0 +1,206 @@ +/* $NetBSD: mii.h,v 1.9 2001/05/31 03:07:14 thorpej Exp $ */ + +/* + * Copyright (c) 1997 Manuel Bouyer. All rights reserved. + * + * Modification to match BSD/OS 3.0 MII interface by Jason R. Thorpe, + * Numerical Aerospace Simulation Facility, NASA Ames Research Center. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Manuel Bouyer. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD: /repoman/r/ncvs/src/sys/dev/mii/mii.h,v 1.4 2002/04/29 11:57:28 phk Exp $ + */ + +#ifndef _DEV_MII_MII_H_ +#define _DEV_MII_MII_H_ + +/* + * Registers common to all PHYs. + */ + +#define MII_NPHY 32 /* max # of PHYs per MII */ + +/* + * MII commands, used if a device must drive the MII lines + * manually. + */ +#define MII_COMMAND_START 0x01 +#define MII_COMMAND_READ 0x02 +#define MII_COMMAND_WRITE 0x01 +#define MII_COMMAND_ACK 0x02 + +#define MII_BMCR 0x00 /* Basic mode control register (rw) */ +#define BMCR_RESET 0x8000 /* reset */ +#define BMCR_LOOP 0x4000 /* loopback */ +#define BMCR_SPEED0 0x2000 /* speed selection (LSB) */ +#define BMCR_AUTOEN 0x1000 /* autonegotiation enable */ +#define BMCR_PDOWN 0x0800 /* power down */ +#define BMCR_ISO 0x0400 /* isolate */ +#define BMCR_STARTNEG 0x0200 /* restart autonegotiation */ +#define BMCR_FDX 0x0100 /* Set duplex mode */ +#define BMCR_CTEST 0x0080 /* collision test */ +#define BMCR_SPEED1 0x0040 /* speed selection (MSB) */ + +#define BMCR_S10 0x0000 /* 10 Mb/s */ +#define BMCR_S100 BMCR_SPEED0 /* 100 Mb/s */ +#define BMCR_S1000 BMCR_SPEED1 /* 1000 Mb/s */ + +#define BMCR_SPEED(x) ((x) & (BMCR_SPEED0|BMCR_SPEED1)) + +#define MII_BMSR 0x01 /* Basic mode status register (ro) */ +#define BMSR_100T4 0x8000 /* 100 base T4 capable */ +#define BMSR_100TXFDX 0x4000 /* 100 base Tx full duplex capable */ +#define BMSR_100TXHDX 0x2000 /* 100 base Tx half duplex capable */ +#define BMSR_10TFDX 0x1000 /* 10 base T full duplex capable */ +#define BMSR_10THDX 0x0800 /* 10 base T half duplex capable */ +#define BMSR_100T2FDX 0x0400 /* 100 base T2 full duplex capable */ +#define BMSR_100T2HDX 0x0200 /* 100 base T2 half duplex capable */ +#define BMSR_EXTSTAT 0x0100 /* Extended status in register 15 */ +#define BMSR_MFPS 0x0040 /* MII Frame Preamble Suppression */ +#define BMSR_ACOMP 0x0020 /* Autonegotiation complete */ +#define BMSR_RFAULT 0x0010 /* Link partner fault */ +#define BMSR_ANEG 0x0008 /* Autonegotiation capable */ +#define BMSR_LINK 0x0004 /* Link status */ +#define BMSR_JABBER 0x0002 /* Jabber detected */ +#define BMSR_EXTCAP 0x0001 /* Extended capability */ + +/* + * Note that the EXTSTAT bit indicates that there is extended status + * info available in register 15, but 802.3 section 22.2.4.3 also + * states that that all 1000 Mb/s capable PHYs will set this bit to 1. + */ +#if 0 +#define BMSR_MEDIAMASK (BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX|BMSR_10TFDX| \ + BMSR_10THDX|BMSR_ANEG) + +#else +/* NetBSD uses: */ +#define BMSR_MEDIAMASK (BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX| \ + BMSR_10TFDX|BMSR_10THDX|BMSR_100T2FDX|BMSR_100T2HDX) +#endif + +/* + * Convert BMSR media capabilities to ANAR bits for autonegotiation. + * Note the shift chopps off the BMSR_ANEG bit. + */ +#define BMSR_MEDIA_TO_ANAR(x) (((x) & BMSR_MEDIAMASK) >> 6) + +#define MII_PHYIDR1 0x02 /* ID register 1 (ro) */ + +#define MII_PHYIDR2 0x03 /* ID register 2 (ro) */ +#define IDR2_OUILSB 0xfc00 /* OUI LSB */ +#define IDR2_MODEL 0x03f0 /* vendor model */ +#define IDR2_REV 0x000f /* vendor revision */ + +#define MII_OUI(id1, id2) (((id1) << 6) | ((id2) >> 10)) +#define MII_MODEL(id2) (((id2) & IDR2_MODEL) >> 4) +#define MII_REV(id2) ((id2) & IDR2_REV) + +#define MII_ANAR 0x04 /* Autonegotiation advertisement (rw) */ + /* section 28.2.4.1 and 37.2.6.1 */ +#define ANAR_NP 0x8000 /* Next page (ro) */ +#define ANAR_ACK 0x4000 /* link partner abilities acknowledged (ro) */ +#define ANAR_RF 0x2000 /* remote fault (ro) */ +#define ANAR_FC 0x0400 /* local device supports PAUSE */ +#define ANAR_T4 0x0200 /* local device supports 100bT4 */ +#define ANAR_TX_FD 0x0100 /* local device supports 100bTx FD */ +#define ANAR_TX 0x0080 /* local device supports 100bTx */ +#define ANAR_10_FD 0x0040 /* local device supports 10bT FD */ +#define ANAR_10 0x0020 /* local device supports 10bT */ +#define ANAR_CSMA 0x0001 /* protocol selector CSMA/CD */ + +#define ANAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */ +#define ANAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */ +#define ANAR_X_PAUSE_NONE (0 << 7) +#define ANAR_X_PAUSE_SYM (1 << 7) +#define ANAR_X_PAUSE_ASYM (2 << 7) +#define ANAR_X_PAUSE_TOWARDS (3 << 7) + +#define MII_ANLPAR 0x05 /* Autonegotiation lnk partner abilities (rw) */ + /* section 28.2.4.1 and 37.2.6.1 */ +#define ANLPAR_NP 0x8000 /* Next page (ro) */ +#define ANLPAR_ACK 0x4000 /* link partner accepted ACK (ro) */ +#define ANLPAR_RF 0x2000 /* remote fault (ro) */ +#define ANLPAR_FC 0x0400 /* link partner supports PAUSE */ +#define ANLPAR_T4 0x0200 /* link partner supports 100bT4 */ +#define ANLPAR_TX_FD 0x0100 /* link partner supports 100bTx FD */ +#define ANLPAR_TX 0x0080 /* link partner supports 100bTx */ +#define ANLPAR_10_FD 0x0040 /* link partner supports 10bT FD */ +#define ANLPAR_10 0x0020 /* link partner supports 10bT */ +#define ANLPAR_CSMA 0x0001 /* protocol selector CSMA/CD */ + +#define ANLPAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */ +#define ANLPAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */ +#define ANLPAR_X_PAUSE_MASK (3 << 7) +#define ANLPAR_X_PAUSE_NONE (0 << 7) +#define ANLPAR_X_PAUSE_SYM (1 << 7) +#define ANLPAR_X_PAUSE_ASYM (2 << 7) +#define ANLPAR_X_PAUSE_TOWARDS (3 << 7) + +#define MII_ANER 0x06 /* Autonegotiation expansion (ro) */ + /* section 28.2.4.1 and 37.2.6.1 */ +#define ANER_MLF 0x0010 /* multiple link detection fault */ +#define ANER_LPNP 0x0008 /* link parter next page-able */ +#define ANER_NP 0x0004 /* next page-able */ +#define ANER_PAGE_RX 0x0002 /* Page received */ +#define ANER_LPAN 0x0001 /* link parter autoneg-able */ + +#define MII_ANNP 0x07 /* Autonegotiation next page */ + /* section 28.2.4.1 and 37.2.6.1 */ + +#define MII_ANLPRNP 0x08 /* Autonegotiation link partner rx next page */ + /* section 32.5.1 and 37.2.6.1 */ + + /* This is also the 1000baseT control register */ +#define MII_100T2CR 0x09 /* 100base-T2 control register */ +#define GTCR_TEST_MASK 0xe000 /* see 802.3ab ss. 40.6.1.1.2 */ +#define GTCR_MAN_MS 0x1000 /* enable manual master/slave control */ +#define GTCR_ADV_MS 0x0800 /* 1 = adv. master, 0 = adv. slave */ +#define GTCR_PORT_TYPE 0x0400 /* 1 = DCE, 0 = DTE (NIC) */ +#define GTCR_ADV_1000TFDX 0x0200 /* adv. 1000baseT FDX */ +#define GTCR_ADV_1000THDX 0x0100 /* adv. 1000baseT HDX */ + + /* This is also the 1000baseT status register */ +#define MII_100T2SR 0x0a /* 100base-T2 status register */ +#define GTSR_MAN_MS_FLT 0x8000 /* master/slave config fault */ +#define GTSR_MS_RES 0x4000 /* result: 1 = master, 0 = slave */ +#define GTSR_LRS 0x2000 /* local rx status, 1 = ok */ +#define GTSR_RRS 0x1000 /* remove rx status, 1 = ok */ +#define GTSR_LP_1000TFDX 0x0800 /* link partner 1000baseT FDX capable */ +#define GTSR_LP_1000THDX 0x0400 /* link partner 1000baseT HDX capable */ +#define GTSR_LP_ASM_DIR 0x0200 /* link partner asym. pause dir. capable */ +#define GTSR_IDLE_ERR 0x00ff /* IDLE error count */ + +#define MII_EXTSR 0x0f /* Extended status register */ +#define EXTSR_1000XFDX 0x8000 /* 1000X full-duplex capable */ +#define EXTSR_1000XHDX 0x4000 /* 1000X half-duplex capable */ +#define EXTSR_1000TFDX 0x2000 /* 1000T full-duplex capable */ +#define EXTSR_1000THDX 0x1000 /* 1000T half-duplex capable */ + +#define EXTSR_MEDIAMASK (EXTSR_1000XFDX|EXTSR_1000XHDX| \ + EXTSR_1000TFDX|EXTSR_1000THDX) + +#endif /* _DEV_MII_MII_H_ */ |