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Diffstat (limited to 'usrp2/firmware/lib/eth_phy.h')
| -rw-r--r-- | usrp2/firmware/lib/eth_phy.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/usrp2/firmware/lib/eth_phy.h b/usrp2/firmware/lib/eth_phy.h new file mode 100644 index 000000000..6c16f97b7 --- /dev/null +++ b/usrp2/firmware/lib/eth_phy.h @@ -0,0 +1,219 @@ +/* -*- c -*- */ +/* + * Copyright 2007 Free Software Foundation, Inc. + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +/* Much of this was extracted from the Linux e1000_hw.h file */ + +#ifndef INCLUDED_ETH_PHY_H +#define INCLUDED_ETH_PHY_H + +/* PHY 1000 MII Register/Bit Definitions */ +/* PHY Registers defined by IEEE */ + +#define PHY_CTRL 0x00 /* Control Register */ +#define PHY_STATUS 0x01 /* Status Regiser */ +#define PHY_ID1 0x02 /* Phy Id Reg (word 1) */ +#define PHY_ID2 0x03 /* Phy Id Reg (word 2) */ +#define PHY_AUTONEG_ADV 0x04 /* Autoneg Advertisement */ +#define PHY_LP_ABILITY 0x05 /* Link Partner Ability (Base Page) */ +#define PHY_AUTONEG_EXP 0x06 /* Autoneg Expansion Reg */ +#define PHY_NEXT_PAGE_TX 0x07 /* Next Page TX */ +#define PHY_LP_NEXT_PAGE 0x08 /* Link Partner Next Page */ +#define PHY_1000T_CTRL 0x09 /* 1000Base-T Control Reg */ +#define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */ +#define PHY_EXT_STATUS 0x0F /* Extended Status Reg */ + +/* PHY 1000 MII Register additions in DP83856 */ +/* The part implements 0x00 thru 0x1f; we use these. */ + +#define PHY_LINK_AN 0x11 /* Link and Auto Negotiation Status Reg */ +#define PHY_INT_STATUS 0x14 /* Interupt Status Reg (RO) */ +#define PHY_INT_MASK 0x15 /* Interrupt Mask Reg (RW) */ +#define PHY_INT_CLEAR 0x17 /* Interrupt Clear Reg (RW) */ + + +/* Bit definitions for some of the registers above */ + +/* PHY Control Register (PHY_CTRL) */ +#define MII_CR_SPEED_SELECT_MSB 0x0040 /* bits 6,13: 10=1000, 01=100, 00=10 */ +#define MII_CR_COLL_TEST_ENABLE 0x0080 /* Collision test enable */ +#define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */ +#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */ +#define MII_CR_ISOLATE 0x0400 /* Isolate PHY from MII */ +#define MII_CR_POWER_DOWN 0x0800 /* Power down */ +#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */ +#define MII_CR_SPEED_SELECT_LSB 0x2000 /* bits 6,13: 10=1000, 01=100, 00=10 */ +#define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */ +#define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */ + +/* PHY Status Register (PHY_STATUS) */ +#define MII_SR_EXTENDED_CAPS 0x0001 /* Extended register capabilities */ +#define MII_SR_JABBER_DETECT 0x0002 /* Jabber Detected */ +#define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */ +#define MII_SR_AUTONEG_CAPS 0x0008 /* Auto Neg Capable */ +#define MII_SR_REMOTE_FAULT 0x0010 /* Remote Fault Detect */ +#define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */ +#define MII_SR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */ +#define MII_SR_EXTENDED_STATUS 0x0100 /* Ext. status info in Reg 0x0F */ +#define MII_SR_100T2_HD_CAPS 0x0200 /* 100T2 Half Duplex Capable */ +#define MII_SR_100T2_FD_CAPS 0x0400 /* 100T2 Full Duplex Capable */ +#define MII_SR_10T_HD_CAPS 0x0800 /* 10T Half Duplex Capable */ +#define MII_SR_10T_FD_CAPS 0x1000 /* 10T Full Duplex Capable */ +#define MII_SR_100X_HD_CAPS 0x2000 /* 100X Half Duplex Capable */ +#define MII_SR_100X_FD_CAPS 0x4000 /* 100X Full Duplex Capable */ +#define MII_SR_100T4_CAPS 0x8000 /* 100T4 Capable */ + +/* Autoneg Advertisement Register (PHY_AUTONEG_ADV) */ +#define NWAY_AR_SELECTOR_FIELD 0x0001 /* indicates IEEE 802.3 CSMA/CD */ +#define NWAY_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */ +#define NWAY_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */ +#define NWAY_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */ +#define NWAY_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */ +#define NWAY_AR_100T4_CAPS 0x0200 /* 100T4 Capable */ +#define NWAY_AR_PAUSE 0x0400 /* Pause operation desired */ +#define NWAY_AR_ASM_DIR 0x0800 /* Asymmetric Pause Direction bit */ +#define NWAY_AR_REMOTE_FAULT 0x2000 /* Remote Fault detected */ +#define NWAY_AR_NEXT_PAGE 0x8000 /* Next Page ability supported */ + +/* Link Partner Ability Register (Base Page) (PHY_LP_ABILITY) */ +#define NWAY_LPAR_SELECTOR_FIELD 0x0000 /* LP protocol selector field */ +#define NWAY_LPAR_10T_HD_CAPS 0x0020 /* LP is 10T Half Duplex Capable */ +#define NWAY_LPAR_10T_FD_CAPS 0x0040 /* LP is 10T Full Duplex Capable */ +#define NWAY_LPAR_100TX_HD_CAPS 0x0080 /* LP is 100TX Half Duplex Capable */ +#define NWAY_LPAR_100TX_FD_CAPS 0x0100 /* LP is 100TX Full Duplex Capable */ +#define NWAY_LPAR_100T4_CAPS 0x0200 /* LP is 100T4 Capable */ +#define NWAY_LPAR_PAUSE 0x0400 /* LP Pause operation desired */ +#define NWAY_LPAR_ASM_DIR 0x0800 /* LP Asymmetric Pause Direction bit */ +#define NWAY_LPAR_REMOTE_FAULT 0x2000 /* LP has detected Remote Fault */ +#define NWAY_LPAR_ACKNOWLEDGE 0x4000 /* LP has rx'd link code word */ +#define NWAY_LPAR_NEXT_PAGE 0x8000 /* Next Page ability supported */ + +/* Autoneg Expansion Register (PHY_AUTONEG_EXP) */ +#define NWAY_ER_LP_NWAY_CAPS 0x0001 /* LP has Auto Neg Capability */ +#define NWAY_ER_PAGE_RXD 0x0002 /* LP is 10T Half Duplex Capable */ +#define NWAY_ER_NEXT_PAGE_CAPS 0x0004 /* LP is 10T Full Duplex Capable */ +#define NWAY_ER_LP_NEXT_PAGE_CAPS 0x0008 /* LP is 100TX Half Duplex Capable */ +#define NWAY_ER_PAR_DETECT_FAULT 0x0010 /* LP is 100TX Full Duplex Capable */ + +/* Next Page TX Register (PHY_NEXT_PAGE_TX) */ +#define NPTX_MSG_CODE_FIELD 0x0001 /* NP msg code or unformatted data */ +#define NPTX_TOGGLE 0x0800 /* Toggles between exchanges + * of different NP + */ +#define NPTX_ACKNOWLDGE2 0x1000 /* 1 = will comply with msg + * 0 = cannot comply with msg + */ +#define NPTX_MSG_PAGE 0x2000 /* formatted(1)/unformatted(0) pg */ +#define NPTX_NEXT_PAGE 0x8000 /* 1 = addition NP will follow + * 0 = sending last NP + */ + +/* Link Partner Next Page Register (PHY_LP_NEXT_PAGE) */ +#define LP_RNPR_MSG_CODE_FIELD 0x0001 /* NP msg code or unformatted data */ +#define LP_RNPR_TOGGLE 0x0800 /* Toggles between exchanges + * of different NP + */ +#define LP_RNPR_ACKNOWLDGE2 0x1000 /* 1 = will comply with msg + * 0 = cannot comply with msg + */ +#define LP_RNPR_MSG_PAGE 0x2000 /* formatted(1)/unformatted(0) pg */ +#define LP_RNPR_ACKNOWLDGE 0x4000 /* 1 = ACK / 0 = NO ACK */ +#define LP_RNPR_NEXT_PAGE 0x8000 /* 1 = addition NP will follow + * 0 = sending last NP + */ + +/* 1000BASE-T Control Register (PHY_1000T_CTRL) */ +#define CR_1000T_ASYM_PAUSE 0x0080 /* Advertise asymmetric pause bit */ +#define CR_1000T_HD_CAPS 0x0100 /* Advertise 1000T HD capability */ +#define CR_1000T_FD_CAPS 0x0200 /* Advertise 1000T FD capability */ +#define CR_1000T_REPEATER_DTE 0x0400 /* 1=Repeater/switch device port */ + /* 0=DTE device */ +#define CR_1000T_MS_VALUE 0x0800 /* 1=Configure PHY as Master */ + /* 0=Configure PHY as Slave */ +#define CR_1000T_MS_ENABLE 0x1000 /* 1=Master/Slave manual config value */ + /* 0=Automatic Master/Slave config */ +#define CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */ +#define CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */ +#define CR_1000T_TEST_MODE_2 0x4000 /* Master Transmit Jitter test */ +#define CR_1000T_TEST_MODE_3 0x6000 /* Slave Transmit Jitter test */ +#define CR_1000T_TEST_MODE_4 0x8000 /* Transmitter Distortion test */ + +/* 1000BASE-T Status Register (PHY_1000T_STATUS) */ +#define SR_1000T_IDLE_ERROR_CNT 0x00FF /* Num idle errors since last read */ +#define SR_1000T_ASYM_PAUSE_DIR 0x0100 /* LP asymmetric pause direction bit */ +#define SR_1000T_LP_HD_CAPS 0x0400 /* LP is 1000T HD capable */ +#define SR_1000T_LP_FD_CAPS 0x0800 /* LP is 1000T FD capable */ +#define SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */ +#define SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */ +#define SR_1000T_MS_CONFIG_RES 0x4000 /* 1=Local TX is Master, 0=Slave */ +#define SR_1000T_MS_CONFIG_FAULT 0x8000 /* Master/Slave config fault */ +#define SR_1000T_REMOTE_RX_STATUS_SHIFT 12 +#define SR_1000T_LOCAL_RX_STATUS_SHIFT 13 +#define SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT 5 +#define FFE_IDLE_ERR_COUNT_TIMEOUT_20 20 +#define FFE_IDLE_ERR_COUNT_TIMEOUT_100 100 + +/* Extended Status Register (PHY_EXT_STATUS) */ +#define IEEE_ESR_1000T_HD_CAPS 0x1000 /* 1000T HD capable */ +#define IEEE_ESR_1000T_FD_CAPS 0x2000 /* 1000T FD capable */ +#define IEEE_ESR_1000X_HD_CAPS 0x4000 /* 1000X HD capable */ +#define IEEE_ESR_1000X_FD_CAPS 0x8000 /* 1000X FD capable */ + +#define PHY_TX_POLARITY_MASK 0x0100 /* register 10h bit 8 (polarity bit) */ +#define PHY_TX_NORMAL_POLARITY 0 /* register 10h bit 8 (normal polarity) */ + +#define AUTO_POLARITY_DISABLE 0x0010 /* register 11h bit 4 */ + /* (0=enable, 1=disable) */ + +/* Link and Auto Negotiation Status Reg (PHY_LINK_AN) [READ-ONLY] */ +#define LANSR_MASTER 0x0001 /* 1=PHY is currently in master mode */ +#define LANSR_FULL_DUPLEX 0x0002 /* 1=PHY is currently full duplex */ +#define LANSR_LINK_GOOD 0x0004 /* 1=a good link is established */ +#define LANSR_SPEED_MASK 0x0018 +#define LANSR_SPEED_10 0x0000 /* 10Mb/s */ +#define LANSR_SPEED_100 0x0008 /* 100Mb/s */ +#define LANSR_SPEED_1000 0x0010 /* 1000Mb/s */ +#define LANSR_SPEED_RSRVD 0x0018 /* reserved */ +#define LANSR_NON_COMP_MODE 0x0020 /* 1=detects only in non-compliant mode */ +#define LANSR_DEEP_LOOPBACK 0x0040 /* 1=the PHY operates in deep loopback mode */ +#define LANSR_SHALLOW_LOOPBACK 0x0080 /* 1=the PHY operates in shallow loopback mode */ +#define LANSR_RSRVD_8 0x0100 /* reserved */ +#define LANSR_FIFO_ERR 0x0200 /* 1=FIFO error occurred */ +#define LANSR_MDIX_XOVER 0x0400 /* 1=PHY's MDI is in cross-over mode */ +#define LANSR_RSRVD_11 0x0800 /* resevered */ +#define LANSR_TP_POLARITY_REV 0xf000 /* Twisted pair polarity status A:D([15:12]) 1=reversed */ + +/* Interrupt status, mask and clear regs (PHY_INT_{STATUS,MASK,CLEAR}) */ +#define PHY_INT_RSRVD_0 0x0001 /* reserved */ +#define PHY_INT_RSRVD_1 0x0002 /* reserved */ +#define PHY_INT_RSRVD_2 0x0004 /* reserved */ +#define PHY_INT_REM_FLT_CNG 0x0008 /* Remote Fault Changed */ +#define PHY_INT_AN_CMPL 0x0010 /* Auto-negotiation completion */ +#define PHY_INT_NXT_PG_RCVD 0x0020 /* Next Page Received */ +#define PHY_INT_JABBER_CNG 0x0040 /* Jabber Changed */ +#define PHY_INT_NO_LINK 0x0080 /* No link after auto-negotiation */ +#define PHY_INT_NO_HCD 0x0100 /* AN couldn't determine highest common denominator */ +#define PHY_INT_MAS_SLA_ERR 0x0200 /* Master / Slave Error: couldn't resolve */ +#define PHY_INT_PRL_DET_FLT 0x0400 /* Parallel detection fault */ +#define PHY_INT_POL_CNG 0x0800 /* Polarity of any channel changed */ +#define PHY_INT_MDIX_CNG 0x1000 /* MDIX changed. A pair swap occurred. */ +#define PHY_INT_DPLX_CNG 0x2000 /* Duplex changed */ +#define PHY_INT_LNK_CNG 0x4000 /* Link changed (asserted when a link is established or broken) */ +#define PHY_INT_SPD_CNG 0x8000 /* Speed changed */ + +#endif /* INCLUDED_ETH_PHY_H */ |