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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2006 Benno Rice. All rights reserved.
*
* 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.
*
* 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.
*
* $FreeBSD$
*
*/
#ifndef _IF_SMCREG_H_
#define _IF_SMCREG_H_
/* All Banks, Offset 0xe: Bank Select Register */
#define BSR 0xe
#define BSR_BANK_MASK 0x0007 /* Which bank is currently selected */
#define BSR_IDENTIFY 0x3300 /* Static value for identification */
#define BSR_IDENTIFY_MASK 0xff00
/* Bank 0, Offset 0x0: Transmit Control Register */
#define TCR 0x0
#define TCR_TXENA 0x0001 /* Enable/disable transmitter */
#define TCR_LOOP 0x0002 /* Put the PHY into loopback mode */
#define TCR_FORCOL 0x0004 /* Force a collision */
#define TCR_PAD_EN 0x0080 /* Pad TX frames to 64 bytes */
#define TCR_NOCRC 0x0100 /* Disable/enable CRC */
#define TCR_MON_CSN 0x0400 /* Monitor carrier signal */
#define TCR_FDUPLX 0x0800 /* Enable/disable full duplex */
#define TCR_STP_SQET 0x1000 /* Stop TX on signal quality error */
#define TCR_EPH_LOOP 0x2000 /* Internal loopback */
#define TCR_SWFDUP 0x8000 /* Switched full duplex */
/* Bank 0, Offset 0x2: EPH Status Register */
#define EPHSR 0x2
#define EPHSR_TX_SUC 0x0001 /* Last TX was successful */
#define EPHSR_SNGLCOL 0x0002 /* Single collision on last TX */
#define EPHSR_MULCOL 0x0004 /* Multiple collisions on last TX */
#define EPHSR_LTX_MULT 0x0008 /* Last TX was multicast */
#define EPHSR_16COL 0x0010 /* 16 collisions on last TX */
#define EPHSR_SQET 0x0020 /* Signal quality error test */
#define EPHSR_LTX_BRD 0x0040 /* Last TX was broadcast */
#define EPHSR_TX_DEFR 0x0080 /* Transmit deferred */
#define EPHSR_LATCOL 0x0200 /* Late collision on last TX */
#define EPHSR_LOST_CARR 0x0400 /* Lost carrier sense */
#define EPHSR_EXC_DEF 0x0800 /* Excessive deferral */
#define EPHSR_CTR_ROL 0x1000 /* Counter rollover */
#define EPHSR_LINK_OK 0x4000 /* Inverse of nLNK pin */
#define EPHSR_TXUNRN 0x8000 /* Transmit underrun */
/* Bank 0, Offset 0x4: Receive Control Register */
#define RCR 0x4
#define RCR_RX_ABORT 0x0001 /* RX aborted */
#define RCR_PRMS 0x0002 /* Enable/disable promiscuous mode */
#define RCR_ALMUL 0x0004 /* Accept all multicast frames */
#define RCR_RXEN 0x0100 /* Enable/disable receiver */
#define RCR_STRIP_CRC 0x0200 /* Strip CRC from RX packets */
#define RCR_ABORT_ENB 0x2000 /* Abort RX on collision */
#define RCR_FILT_CAR 0x4000 /* Filter leading 12 bits of carrier */
#define RCR_SOFT_RST 0x8000 /* Software reset */
/* Bank 0, Offset 0x6: Counter Register */
#define ECR 0x6
#define ECR_SNGLCOL_MASK 0x000f /* Single collisions */
#define ECR_SNGLCOL_SHIFT 0
#define ECR_MULCOL_MASK 0x00f0 /* Multiple collisions */
#define ECR_MULCOL_SHIFT 4
#define ECR_TX_DEFR_MASK 0x0f00 /* Transmit deferrals */
#define ECR_TX_DEFR_SHIFT 8
#define ECR_EXC_DEF_MASK 0xf000 /* Excessive deferrals */
#define ECR_EXC_DEF_SHIFT 12
/* Bank 0, Offset 0x8: Memory Information Register */
#define MIR 0x8
#define MIR_SIZE_MASK 0x00ff /* Memory size (2k pages) */
#define MIR_SIZE_SHIFT 0
#define MIR_FREE_MASK 0xff00 /* Memory free (2k pages) */
#define MIR_FREE_SHIFT 8
#define MIR_PAGE_SIZE 2048
/* Bank 0, Offset 0xa: Receive/PHY Control Reigster */
#define RPCR 0xa
#define RPCR_ANEG 0x0800 /* Put PHY in autonegotiation mode */
#define RPCR_DPLX 0x1000 /* Put PHY in full-duplex mode */
#define RPCR_SPEED 0x2000 /* Manual speed selection */
#define RPCR_LSA_MASK 0x00e0 /* Select LED A function */
#define RPCR_LSA_SHIFT 5
#define RPCR_LSB_MASK 0x001c /* Select LED B function */
#define RPCR_LSB_SHIFT 2
#define RPCR_LED_LINK_ANY 0x0 /* 10baseT or 100baseTX link detected */
#define RPCR_LED_LINK_10 0x2 /* 10baseT link detected */
#define RPCR_LED_LINK_FDX 0x3 /* Full-duplex link detected */
#define RPCR_LED_LINK_100 0x5 /* 100baseTX link detected */
#define RPCR_LED_ACT_ANY 0x4 /* TX or RX activity detected */
#define RPCR_LED_ACT_RX 0x6 /* RX activity detected */
#define RPCR_LED_ACT_TX 0x7 /* TX activity detected */
/* Bank 1, Offset 0x0: Configuration Register */
#define CR 0x0
#define CR_EXT_PHY 0x0200 /* Enable/disable external PHY */
#define CR_GPCNTRL 0x0400 /* Inverse drives nCNTRL pin */
#define CR_NO_WAIT 0x1000 /* Do not request additional waits */
#define CR_EPH_POWER_EN 0x8000 /* Disable/enable low power mode */
/* Bank 1, Offset 0x2: Base Address Register */
#define BAR 0x2
#define BAR_HIGH_MASK 0xe000
#define BAR_LOW_MASK 0x1f00
#define BAR_LOW_SHIFT 4
#define BAR_ADDRESS(val) \
((val & BAR_HIGH_MASK) | ((val & BAR_LOW_MASK) >> BAR_LOW_SHIFT))
/* Bank 1, Offsets 0x4: Individual Address Registers */
#define IAR0 0x4
#define IAR1 0x5
#define IAR2 0x6
#define IAR3 0x7
#define IAR4 0x8
#define IAR5 0x9
/* Bank 1, Offset 0xa: General Purpose Register */
#define GPR 0xa
/* Bank 1, Offset 0xc: Control Register */
#define CTR 0xa
#define CTR_STORE 0x0001 /* Store registers to EEPROM */
#define CTR_RELOAD 0x0002 /* Reload registers from EEPROM */
#define CTR_EEPROM_SELECT 0x0004 /* Select registers to store/reload */
#define CTR_TE_ENABLE 0x0020 /* TX error causes EPH interrupt */
#define CTR_CR_ENABLE 0x0040 /* Ctr rollover causes EPH interrupt */
#define CTR_LE_ENABLE 0x0080 /* Link error causes EPH interrupt */
#define CTR_AUTO_RELEASE 0x0800 /* Automatically release TX packets */
#define CTR_RCV_BAD 0x4000 /* Receive/discard bad CRC packets */
/* Bank 2, Offset 0x0: MMU Command Register */
#define MMUCR 0x0
#define MMUCR_BUSY 0x0001 /* MMU is busy */
#define MMUCR_CMD_NOOP (0<<5) /* No operation */
#define MMUCR_CMD_TX_ALLOC (1<<5) /* Alloc TX memory (256b chunks) */
#define MMUCR_CMD_MMU_RESET (2<<5) /* Reset MMU */
#define MMUCR_CMD_REMOVE (3<<5) /* Remove frame from RX FIFO */
#define MMUCR_CMD_RELEASE (4<<5) /* Remove and release from RX FIFO */
#define MMUCR_CMD_RELEASE_PKT (5<<5) /* Release packet specified in PNR */
#define MMUCR_CMD_ENQUEUE (6<<5) /* Enqueue packet for TX */
#define MMUCR_CMD_TX_RESET (7<<5) /* Reset TX FIFOs */
/* Bank 2, Offset 0x2: Packet Number Register */
#define PNR 0x2
#define PNR_MASK 0x3fff
/* Bank 2, Offset 0x3: Allocation Result Register */
#define ARR 0x3
#define ARR_FAILED 0x8000 /* Last allocation request failed */
#define ARR_MASK 0x3000
/* Bank 2, Offset 0x4: FIFO Ports Register */
#define FIFO_TX 0x4
#define FIFO_RX 0x5
#define FIFO_EMPTY 0x80 /* FIFO empty */
#define FIFO_PACKET_MASK 0x3f /* Packet number mask */
/* Bank 2, Offset 0x6: Pointer Register */
#define PTR 0x6
#define PTR_MASK 0x07ff /* Address accessible within TX/RX */
#define PTR_NOT_EMPTY 0x0800 /* Write Data FIFO not empty */
#define PTR_ETEN 0x1000 /* Enable early TX underrun detection */
#define PTR_READ 0x2000 /* Set read/write */
#define PTR_AUTO_INCR 0x4000 /* Auto increment on read/write */
#define PTR_RCV 0x8000 /* Read/write to/from RX/TX */
/* Bank 2, Offset 0x8: Data Registers */
#define DATA0 0x8
#define DATA1 0xa
/* Bank 2, Offset 0xc: Interrupt Status Registers */
#define IST 0xc /* read only */
#define ACK 0xc /* write only */
#define MSK 0xd
#define RCV_INT 0x0001 /* RX */
#define TX_INT 0x0002 /* TX */
#define TX_EMPTY_INT 0x0004 /* TX empty */
#define ALLOC_INT 0x0008 /* Allocation complete */
#define RX_OVRN_INT 0x0010 /* RX overrun */
#define EPH_INT 0x0020 /* EPH interrupt */
#define ERCV_INT 0x0040 /* Early RX */
#define MD_INT 0x0080 /* MII */
#define IST_PRINTF "\20\01RCV\02TX\03TX_EMPTY\04ALLOC" \
"\05RX_OVRN\06EPH\07ERCV\10MD"
/* Bank 3, Offset 0x0: Multicast Table Registers */
#define MT 0x0
/* Bank 3, Offset 0x8: Management Interface */
#define MGMT 0x8
#define MGMT_MDO 0x0001 /* MII management output */
#define MGMT_MDI 0x0002 /* MII management input */
#define MGMT_MCLK 0x0004 /* MII management clock */
#define MGMT_MDOE 0x0008 /* MII management output enable */
#define MGMT_MSK_CRS100 0x4000 /* Disable CRS100 detection during TX */
/* Bank 3, Offset 0xa: Revision Register */
#define REV 0xa
#define REV_CHIP_MASK 0x00f0 /* Chip ID */
#define REV_CHIP_SHIFT 4
#define REV_REV_MASK 0x000f /* Revision ID */
#define REV_REV_SHIFT 0
#define REV_CHIP_9192 3
#define REV_CHIP_9194 4
#define REV_CHIP_9195 5
#define REV_CHIP_9196 6
#define REV_CHIP_91100 7
#define REV_CHIP_91100FD 8
#define REV_CHIP_91110FD 9
/* Bank 3, Offset 0xc: Early RCV Register */
#define ERCV 0xc
#define ERCV_THRESHOLD_MASK 0x001f /* ERCV int threshold (64b chunks) */
#define ERCV_RCV_DISCARD 0x0080 /* Discard packet being received */
/* Control Byte */
#define CTRL_CRC 0x10 /* Frame has CRC */
#define CTRL_ODD 0x20 /* Frame has odd byte count */
/* Receive Frame Status */
#define RX_MULTCAST 0x0001 /* Frame was multicast */
#define RX_HASH_MASK 0x007e /* Hash value for multicast */
#define RX_HASH_SHIFT 1
#define RX_TOOSHORT 0x0400 /* Frame was too short */
#define RX_TOOLNG 0x0800 /* Frame was too long */
#define RX_ODDFRM 0x1000 /* Frame has odd number of bytes */
#define RX_BADCRC 0x2000 /* Frame failed CRC */
#define RX_BROADCAST 0x4000 /* Frame was broadcast */
#define RX_ALGNERR 0x8000 /* Frame had alignment error */
#define RX_LEN_MASK 0x07ff
/* Length of status word + byte count + control bytes for packets */
#define PKT_CTRL_DATA_LEN 6
/* Number of times to spin on TX allocations */
#define TX_ALLOC_WAIT_TIME 1000
#endif /* IF_SMCREG_H_ */
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