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nuttx/drivers/net/lan91c111.h

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/****************************************************************************
* drivers/net/lan91c111.h
*
* Copyright (C) 2018 Pinecone Inc. All rights reserved.
* Author: Xiang Xiao <xiaoxiang@pinecone.net>
*
* 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. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
*
****************************************************************************/
#ifndef __DRIVERS_NET_LAN91C111_H
#define __DRIVERS_NET_LAN91C111_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/net/mii.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Bank Select Register:
*
* yyyy yyyy 0000 00xx
* xx = bank number
* yyyy yyyy = 0x33, for identification purposes.
*/
#define BANK_SELECT 14
/* Transmit Control Register */
/* BANK 0 */
#define TCR_REG 0x0000
#define TCR_ENABLE 0x0001 /* When 1 we can transmit */
#define TCR_LOOP 0x0002 /* Controls output pin LBK */
#define TCR_FORCOL 0x0004 /* When 1 will force a collision */
#define TCR_PAD_EN 0x0080 /* When 1 will pad tx frames < 64 bytes w/0 */
#define TCR_NOCRC 0x0100 /* When 1 will not append CRC to tx frames */
#define TCR_MON_CSN 0x0400 /* When 1 tx monitors carrier */
#define TCR_FDUPLX 0x0800 /* When 1 enables full duplex operation */
#define TCR_STP_SQET 0x1000 /* When 1 stops tx if Signal Quality Error */
#define TCR_EPH_LOOP 0x2000 /* When 1 enables EPH block loopback */
#define TCR_SWFDUP 0x8000 /* When 1 enables Switched Full Duplex mode */
#define TCR_CLEAR 0 /* do NOTHING */
/* the default settings for the TCR register : */
#define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
/* EPH Status Register */
/* BANK 0 */
#define EPH_STATUS_REG 0x0002
#define ES_TX_SUC 0x0001 /* Last TX was successful */
#define ES_SNGL_COL 0x0002 /* Single collision detected for last tx */
#define ES_MUL_COL 0x0004 /* Multiple collisions detected for last tx */
#define ES_LTX_MULT 0x0008 /* Last tx was a multicast */
#define ES_16COL 0x0010 /* 16 Collisions Reached */
#define ES_SQET 0x0020 /* Signal Quality Error Test */
#define ES_LTXBRD 0x0040 /* Last tx was a broadcast */
#define ES_TXDEFR 0x0080 /* Transmit Deferred */
#define ES_LATCOL 0x0200 /* Late collision detected on last tx */
#define ES_LOSTCARR 0x0400 /* Lost Carrier Sense */
#define ES_EXC_DEF 0x0800 /* Excessive Deferral */
#define ES_CTR_ROL 0x1000 /* Counter Roll Over indication */
#define ES_LINK_OK 0x4000 /* Driven by inverted value of nLNK pin */
#define ES_TXUNRN 0x8000 /* Tx Underrun */
#define ES_ERRORS (ES_TXUNRN | ES_LOSTCARR | ES_LATCOL | ES_SQET | ES_16COL)
/* Receive Control Register */
/* BANK 0 */
#define RCR_REG 0x0004
#define RCR_RX_ABORT 0x0001 /* Set if a rx frame was aborted */
#define RCR_PRMS 0x0002 /* Enable promiscuous mode */
#define RCR_ALMUL 0x0004 /* When set accepts all multicast frames */
#define RCR_RXEN 0x0100 /* IFF this is set, we can receive packets */
#define RCR_STRIP_CRC 0x0200 /* When set strips CRC from rx packets */
#define RCR_ABORT_ENB 0x2000 /* When set will abort rx on collision */
#define RCR_FILT_CAR 0x4000 /* When set filters leading 12 bit s of carrier */
#define RCR_SOFTRST 0x8000 /* resets the chip */
/* the normal settings for the RCR register : */
#ifdef CONFIG_NET_PROMISCUOUS
# define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN | RCR_PRMS)
#else
# define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
#endif
#define RCR_CLEAR 0x0 /* set it to a base state */
/* Counter Register */
/* BANK 0 */
#define COUNTER_REG 0x0006
/* Memory Information Register */
/* BANK 0 */
#define MIR_REG 0x0008
#define MIR_FREE_MASK 0xff00
/* Receive/Phy Control Register */
/* BANK 0 */
#define RPC_REG 0x000A
#define RPC_SPEED 0x2000 /* When 1 PHY is in 100Mbps mode. */
#define RPC_DPLX 0x1000 /* When 1 PHY is in Full-Duplex Mode */
#define RPC_ANEG 0x0800 /* When 1 PHY is in Auto-Negotiate Mode */
#define RPC_LSXA_SHFT 5 /* Bits to shift LS2A,LS1A,LS0A to lsb */
#define RPC_LSXB_SHFT 2 /* Bits to get LS2B,LS1B,LS0B to lsb */
#define RPC_LED_100_10 0x00 /* LED = 100Mbps OR's with 10Mbps link detect */
#define RPC_LED_RES 0x01 /* LED = Reserved */
#define RPC_LED_10 0x02 /* LED = 10Mbps link detect */
#define RPC_LED_FD 0x03 /* LED = Full Duplex Mode */
#define RPC_LED_TX_RX 0x04 /* LED = TX or RX packet occurred */
#define RPC_LED_100 0x05 /* LED = 100Mbps link dectect */
#define RPC_LED_TX 0x06 /* LED = TX packet occurred */
#define RPC_LED_RX 0x07 /* LED = RX packet occurred */
#define RPC_DEFAULT (RPC_ANEG | RPC_SPEED | RPC_DPLX \
| (RPC_LED_100_10 << RPC_LSXA_SHFT) \
| (RPC_LED_TX_RX << RPC_LSXB_SHFT))
/* Bank 0 0x000C is reserved */
/* Bank Select Register */
/* All Banks */
#define BSR_REG 0x000E
/* Configuration Reg */
/* BANK 1 */
#define CONFIG_REG 0x0100
#define CONFIG_EXT_PHY 0x0200 /* 1=external MII, 0=internal Phy */
#define CONFIG_GPCNTRL 0x0400 /* Inverse value drives pin nCNTRL */
#define CONFIG_NO_WAIT 0x1000 /* When 1 no extra wait states on ISA bus */
#define CONFIG_EPH_POWER_EN 0x8000 /* When 0 EPH is placed into low power mode. */
/* Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low */
#define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
#define CONFIG_CLEAR 0
/* Base Address Register */
/* BANK 1 */
#define BASE_REG 0x0102
/* Individual Address Registers */
/* BANK 1 */
#define ADDR0_REG 0x0104
#define ADDR1_REG 0x0106
#define ADDR2_REG 0x0108
/* General Purpose Register */
/* BANK 1 */
#define GP_REG 0x010A
/* Control Register */
/* BANK 1 */
#define CTL_REG 0x010C
#define CTL_RCV_BAD 0x4000 /* When 1 bad CRC packets are received */
#define CTL_AUTO_RELEASE 0x0800 /* When 1 tx pages are released automatically */
#define CTL_LE_ENABLE 0x0080 /* When 1 enables Link Error interrupt */
#define CTL_CR_ENABLE 0x0040 /* When 1 enables Counter Rollover interrupt */
#define CTL_TE_ENABLE 0x0020 /* When 1 enables Transmit Error interrupt */
#define CTL_EEPROM_SELECT 0x0004 /* Controls EEPROM reload & store */
#define CTL_RELOAD 0x0002 /* When set reads EEPROM into registers */
#define CTL_STORE 0x0001 /* When set stores registers into EEPROM */
#define CTL_DEFAULT (CTL_AUTO_RELEASE)
#define CTL_CLEAR 0
/* MMU Command Register */
/* BANK 2 */
#define MMU_CMD_REG 0x0200
#define MC_BUSY 1 /* When 1 the last release has not completed */
#define MC_NOP (0<<5) /* No Op */
#define MC_ALLOC (1<<5) /* OR with number of 256 byte packets */
#define MC_RESET (2<<5) /* Reset MMU to initial state */
#define MC_REMOVE (3<<5) /* Remove the current rx packet */
#define MC_RELEASE (4<<5) /* Remove and release the current rx packet */
#define MC_FREEPKT (5<<5) /* Release packet in PNR register */
#define MC_ENQUEUE (6<<5) /* Enqueue the packet for transmit */
#define MC_RSTTXFIFO (7<<5) /* Reset the TX FIFOs */
/* Packet Number Register */
/* BANK 2 */
#define PN_REG 0x0202
/* Allocation Result Register */
/* BANK 2 */
#define AR_REG 0x0203
#define AR_FAILED 0x80 /* Allocation Failed */
/* TX FIFO Ports Register */
/* BANK 2 */
#define TXFIFO_REG 0x0204
#define TXFIFO_TEMPTY 0x80 /* TX FIFO Empty */
/* RX FIFO Ports Register */
/* BANK 2 */
#define RXFIFO_REG 0x0205
#define RXFIFO_REMPTY 0x80 /* RX FIFO Empty */
#define FIFO_REG 0x0204
/* Pointer Register */
/* BANK 2 */
#define PTR_REG 0x0206
#define PTR_RCV 0x8000 /* 1=Receive area, 0=Transmit area */
#define PTR_AUTOINC 0x4000 /* Auto increment the pointer on each access */
#define PTR_READ 0x2000 /* When 1 the operation is a read */
#define PTR_NOTEMPTY 0x0800 /* When 1 _do not_ write fifo DATA REG */
/* Data Register */
/* BANK 2 */
#define DATA_REG 0x0208
/* Interrupt Status/Acknowledge Register */
/* BANK 2 */
#define INT_REG 0x020C
/* Interrupt Mask Register */
/* BANK 2 */
#define IM_REG 0x020D
#define IM_MDINT 0x80 /* PHY MI Register 18 Interrupt */
#define IM_ERCV_INT 0x40 /* Early Receive Interrupt */
#define IM_EPH_INT 0x20 /* Set by Etheret Protocol Handler section */
#define IM_RX_OVRN_INT 0x10 /* Set by Receiver Overruns */
#define IM_ALLOC_INT 0x08 /* Set when allocation request is completed */
#define IM_TX_EMPTY_INT 0x04 /* Set if the TX FIFO goes empty */
#define IM_TX_INT 0x02 /* Transmit Interrrupt */
#define IM_RCV_INT 0x01 /* Receive Interrupt */
/* Multicast Table Registers */
/* BANK 3 */
#define MCAST_REG1 0x0300
#define MCAST_REG2 0x0302
#define MCAST_REG3 0x0304
#define MCAST_REG4 0x0306
/* Management Interface Register (MII) */
/* BANK 3 */
#define MII_REG 0x0308
#define MII_MSK_CRS100 0x4000 /* Disables CRS100 detection during tx half dup */
#define MII_MDOE 0x0008 /* MII Output Enable */
#define MII_MCLK 0x0004 /* MII Clock, pin MDCLK */
#define MII_MDI 0x0002 /* MII Input, pin MDI */
#define MII_MDO 0x0001 /* MII Output, pin MDO */
/* Revision Register */
/* BANK 3 */
/* ( hi: chip id low: rev # ) */
#define REV_REG 0x030A
/* Early RCV Register */
/* BANK 3 */
/* this is NOT on SMC9192 */
#define ERCV_REG 0x030C
#define ERCV_RCV_DISCRD 0x0080 /* When 1 discards a packet being received */
#define ERCV_THRESHOLD 0x001F /* ERCV Threshold Mask */
/* External Register */
/* BANK 7 */
#define EXT_REG 0x0700
#define CHIP_9192 3
#define CHIP_9194 4
#define CHIP_9195 5
#define CHIP_9196 6
#define CHIP_91100 7
#define CHIP_91100FD 8
#define CHIP_91111FD 9
/* Transmit status bits */
/* Same as ES_xxx */
/* Transmit control bits */
#define TC_ODD 0x20
#define TC_CRC 0x10
/* Receive status bits */
#define RS_ALGNERR 0x8000
#define RS_BRODCAST 0x4000
#define RS_BADCRC 0x2000
#define RS_ODDFRAME 0x1000
#define RS_TOOLONG 0x0800
#define RS_TOOSHORT 0x0400
#define RS_MULTICAST 0x0001
#define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
/* Receive control bits */
#define RC_ODD 0x20
/* PHY IDs
* LAN83C183 == LAN91C111 Internal PHY
*/
#define PHY_LAN83C183 0x0016F840
#define PHY_LAN83C180 0x02821C50
/* LPA full duplex flags */
#define MII_LPA_FULL (MII_LPA_10BASETXFULL | MII_LPA_100BASETXFULL)
/* PHY Register Addresses (LAN91C111 Internal PHY)
*
* Generic PHY registers can be found in <nuttx/net/mii.h>
*
* These phy registers are specific to our on-board phy.
*/
/* PHY Configuration Register 1 */
#define PHY_CFG1_REG 0x10
#define PHY_CFG1_LNKDIS 0x8000 /* 1=Rx Link Detect Function disabled */
#define PHY_CFG1_XMTDIS 0x4000 /* 1=TP Transmitter Disabled */
#define PHY_CFG1_XMTPDN 0x2000 /* 1=TP Transmitter Powered Down */
#define PHY_CFG1_BYPSCR 0x0400 /* 1=Bypass scrambler/descrambler */
#define PHY_CFG1_UNSCDS 0x0200 /* 1=Unscramble Idle Reception Disable */
#define PHY_CFG1_EQLZR 0x0100 /* 1=Rx Equalizer Disabled */
#define PHY_CFG1_CABLE 0x0080 /* 1=STP(150ohm), 0=UTP(100ohm) */
#define PHY_CFG1_RLVL0 0x0040 /* 1=Rx Squelch level reduced by 4.5db */
#define PHY_CFG1_TLVL_SHIFT 2 /* Transmit Output Level Adjust */
#define PHY_CFG1_TLVL_MASK 0x003C
#define PHY_CFG1_TRF_MASK 0x0003 /* Transmitter Rise/Fall time */
/* PHY Configuration Register 2 */
#define PHY_CFG2_REG 0x11
#define PHY_CFG2_APOLDIS 0x0020 /* 1=Auto Polarity Correction disabled */
#define PHY_CFG2_JABDIS 0x0010 /* 1=Jabber disabled */
#define PHY_CFG2_MREG 0x0008 /* 1=Multiple register access (MII mgt) */
#define PHY_CFG2_INTMDIO 0x0004 /* 1=Interrupt signaled with MDIO pulseo */
/* PHY Status Output (and Interrupt status) Register */
#define PHY_INT_REG 0x12 /* Status Output (Interrupt Status) */
#define PHY_INT_INT 0x8000 /* 1=bits have changed since last read */
#define PHY_INT_LNKFAIL 0x4000 /* 1=Link Not detected */
#define PHY_INT_LOSSSYNC 0x2000 /* 1=Descrambler has lost sync */
#define PHY_INT_CWRD 0x1000 /* 1=Invalid 4B5B code detected on rx */
#define PHY_INT_SSD 0x0800 /* 1=No Start Of Stream detected on rx */
#define PHY_INT_ESD 0x0400 /* 1=No End Of Stream detected on rx */
#define PHY_INT_RPOL 0x0200 /* 1=Reverse Polarity detected */
#define PHY_INT_JAB 0x0100 /* 1=Jabber detected */
#define PHY_INT_SPDDET 0x0080 /* 1=100Base-TX mode, 0=10Base-T mode */
#define PHY_INT_DPLXDET 0x0040 /* 1=Device in Full Duplex */
/* PHY Interrupt/Status Mask Register */
#define PHY_MASK_REG 0x13 /* Interrupt Mask */
/* Uses the same bit definitions as PHY_INT_REG */
#endif /* __DRIVERS_NET_LAN91C111_H */
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