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/*-
* Copyright (c) 1997 Semen Ustimenko
* 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 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 AUTHOR 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.
*
* $FreeBSD: release/9.1.0/sys/dev/tx/if_txreg.h 119690 2003-09-02 17:30:40Z jhb $
*/
#define EPIC_MAX_MTU 1600 /* This is experiment-derived value */
/* PCI aux configuration registers */
#define PCIR_BASEIO PCIR_BAR(0) /* Base IO Address */
#define PCIR_BASEMEM PCIR_BAR(1) /* Base Memory Address */
/* PCI identification */
#define SMC_VENDORID 0x10B8
#define SMC_DEVICEID_83C170 0x0005
/* EPIC's registers */
#define COMMAND 0x0000
#define INTSTAT 0x0004 /* Interrupt status. See below */
#define INTMASK 0x0008 /* Interrupt mask. See below */
#define GENCTL 0x000C
#define NVCTL 0x0010
#define EECTL 0x0014 /* EEPROM control **/
#define TEST1 0x001C /* XXXXX */
#define CRCCNT 0x0020 /* CRC error counter */
#define ALICNT 0x0024 /* FrameTooLang error counter */
#define MPCNT 0x0028 /* MissedFrames error counters */
#define MIICTL 0x0030
#define MIIDATA 0x0034
#define MIICFG 0x0038
#define IPG 0x003C
#define LAN0 0x0040 /* MAC address */
#define LAN1 0x0044 /* MAC address */
#define LAN2 0x0048 /* MAC address */
#define ID_CHK 0x004C
#define MC0 0x0050 /* Multicast filter table */
#define MC1 0x0054 /* Multicast filter table */
#define MC2 0x0058 /* Multicast filter table */
#define MC3 0x005C /* Multicast filter table */
#define RXCON 0x0060 /* Rx control register */
#define TXCON 0x0070 /* Tx control register */
#define TXSTAT 0x0074
#define PRCDAR 0x0084 /* RxRing bus address */
#define PRSTAT 0x00A4
#define PRCPTHR 0x00B0
#define PTCDAR 0x00C4 /* TxRing bus address */
#define ETXTHR 0x00DC
#define COMMAND_STOP_RX 0x01
#define COMMAND_START_RX 0x02
#define COMMAND_TXQUEUED 0x04
#define COMMAND_RXQUEUED 0x08
#define COMMAND_NEXTFRAME 0x10
#define COMMAND_STOP_TDMA 0x20
#define COMMAND_STOP_RDMA 0x40
#define COMMAND_TXUGO 0x80
/* Interrupt register bits */
#define INTSTAT_RCC 0x00000001
#define INTSTAT_HCC 0x00000002
#define INTSTAT_RQE 0x00000004
#define INTSTAT_OVW 0x00000008
#define INTSTAT_RXE 0x00000010
#define INTSTAT_TXC 0x00000020
#define INTSTAT_TCC 0x00000040
#define INTSTAT_TQE 0x00000080
#define INTSTAT_TXU 0x00000100
#define INTSTAT_CNT 0x00000200
#define INTSTAT_PREI 0x00000400
#define INTSTAT_RCT 0x00000800
#define INTSTAT_FATAL 0x00001000 /* One of DPE,APE,PMA,PTA happend */
#define INTSTAT_UNUSED1 0x00002000
#define INTSTAT_UNUSED2 0x00004000
#define INTSTAT_GP2 0x00008000 /* PHY Event */
#define INTSTAT_INT_ACTV 0x00010000
#define INTSTAT_RXIDLE 0x00020000
#define INTSTAT_TXIDLE 0x00040000
#define INTSTAT_RCIP 0x00080000
#define INTSTAT_TCIP 0x00100000
#define INTSTAT_RBE 0x00200000
#define INTSTAT_RCTS 0x00400000
#define INTSTAT_RSV 0x00800000
#define INTSTAT_DPE 0x01000000 /* PCI Fatal error */
#define INTSTAT_APE 0x02000000 /* PCI Fatal error */
#define INTSTAT_PMA 0x04000000 /* PCI Fatal error */
#define INTSTAT_PTA 0x08000000 /* PCI Fatal error */
#define GENCTL_SOFT_RESET 0x00000001
#define GENCTL_ENABLE_INTERRUPT 0x00000002
#define GENCTL_SOFTWARE_INTERRUPT 0x00000004
#define GENCTL_POWER_DOWN 0x00000008
#define GENCTL_ONECOPY 0x00000010
#define GENCTL_BIG_ENDIAN 0x00000020
#define GENCTL_RECEIVE_DMA_PRIORITY 0x00000040
#define GENCTL_TRANSMIT_DMA_PRIORITY 0x00000080
#define GENCTL_RECEIVE_FIFO_THRESHOLD128 0x00000300
#define GENCTL_RECEIVE_FIFO_THRESHOLD96 0x00000200
#define GENCTL_RECEIVE_FIFO_THRESHOLD64 0x00000100
#define GENCTL_RECEIVE_FIFO_THRESHOLD32 0x00000000
#define GENCTL_MEMORY_READ_LINE 0x00000400
#define GENCTL_MEMORY_READ_MULTIPLE 0x00000800
#define GENCTL_SOFTWARE1 0x00001000
#define GENCTL_SOFTWARE2 0x00002000
#define GENCTL_RESET_PHY 0x00004000
#define NVCTL_ENABLE_MEMORY_MAP 0x00000001
#define NVCTL_CLOCK_RUN_SUPPORTED 0x00000002
#define NVCTL_GP1_OUTPUT_ENABLE 0x00000004
#define NVCTL_GP2_OUTPUT_ENABLE 0x00000008
#define NVCTL_GP1 0x00000010
#define NVCTL_GP2 0x00000020
#define NVCTL_CARDBUS_MODE 0x00000040
#define NVCTL_IPG_DELAY_MASK(x) ((x&0xF)<<7)
#define RXCON_SAVE_ERRORED_PACKETS 0x00000001
#define RXCON_RECEIVE_RUNT_FRAMES 0x00000002
#define RXCON_RECEIVE_BROADCAST_FRAMES 0x00000004
#define RXCON_RECEIVE_MULTICAST_FRAMES 0x00000008
#define RXCON_RECEIVE_INVERSE_INDIVIDUAL_ADDRESS_FRAMES 0x00000010
#define RXCON_PROMISCUOUS_MODE 0x00000020
#define RXCON_MONITOR_MODE 0x00000040
#define RXCON_EARLY_RECEIVE_ENABLE 0x00000080
#define RXCON_EXTERNAL_BUFFER_DISABLE 0x00000000
#define RXCON_EXTERNAL_BUFFER_16K 0x00000100
#define RXCON_EXTERNAL_BUFFER_32K 0x00000200
#define RXCON_EXTERNAL_BUFFER_128K 0x00000300
#define TXCON_EARLY_TRANSMIT_ENABLE 0x00000001
#define TXCON_LOOPBACK_DISABLE 0x00000000
#define TXCON_LOOPBACK_MODE_INT 0x00000002
#define TXCON_LOOPBACK_MODE_PHY 0x00000004
#define TXCON_LOOPBACK_MODE 0x00000006
#define TXCON_FULL_DUPLEX 0x00000006
#define TXCON_SLOT_TIME 0x00000078
#define MIICFG_SERIAL_ENABLE 0x00000001
#define MIICFG_694_ENABLE 0x00000002
#define MIICFG_694_STATUS 0x00000004
#define MIICFG_PHY_PRESENT 0x00000008
#define MIICFG_SMI_ENABLE 0x00000010
#define TEST1_CLOCK_TEST 0x00000008
/*
* Some default values
*/
#define TXCON_DEFAULT (TXCON_SLOT_TIME | TXCON_EARLY_TRANSMIT_ENABLE)
#define TRANSMIT_THRESHOLD 0x300
#define TRANSMIT_THRESHOLD_MAX 0x600
#define RXCON_DEFAULT (RXCON_RECEIVE_MULTICAST_FRAMES | \
RXCON_RECEIVE_BROADCAST_FRAMES)
#define RXCON_EARLY_RX (RXCON_EARLY_RECEIVE_ENABLE | \
RXCON_SAVE_ERRORED_PACKETS)
/*
* EEPROM structure
* SMC9432* eeprom is organized by words and only first 8 words
* have distinctive meaning (according to datasheet)
*/
#define EEPROM_MAC0 0x0000 /* Byte 0 / Byte 1 */
#define EEPROM_MAC1 0x0001 /* Byte 2 / Byte 3 */
#define EEPROM_MAC2 0x0002 /* Byte 4 / Byte 5 */
#define EEPROM_BID_CSUM 0x0003 /* Board Id / Check Sum */
#define EEPROM_NVCTL 0x0004 /* NVCTL (bits 0-5) / nothing */
#define EEPROM_PCI_MGD_MLD 0x0005 /* PCI MinGrant / MaxLatency. Desired */
#define EEPROM_SSVENDID 0x0006 /* Subsystem Vendor Id */
#define EEPROM_SSID 0x0006 /* Subsystem Id */
/*
* Hardware structures.
*/
/*
* EPIC's hardware descriptors, must be aligned on dword in memory.
* NB: to make driver happy, this two structures MUST have their sizes
* be divisor of PAGE_SIZE.
*/
struct epic_tx_desc {
volatile u_int16_t status;
volatile u_int16_t txlength;
volatile u_int32_t bufaddr;
volatile u_int16_t buflength;
volatile u_int16_t control;
volatile u_int32_t next;
};
struct epic_rx_desc {
volatile u_int16_t status;
volatile u_int16_t rxlength;
volatile u_int32_t bufaddr;
volatile u_int32_t buflength;
volatile u_int32_t next;
};
/*
* This structure defines EPIC's fragment list, maximum number of frags
* is 63. Let's use the maximum, because size of struct MUST be divisor
* of PAGE_SIZE, and sometimes come mbufs with more then 30 frags.
*/
#define EPIC_MAX_FRAGS 63
struct epic_frag_list {
volatile u_int32_t numfrags;
struct {
volatile u_int32_t fragaddr;
volatile u_int32_t fraglen;
} frag[EPIC_MAX_FRAGS];
volatile u_int32_t pad; /* align on 256 bytes */
};
/*
* NB: ALIGN OF ABOVE STRUCTURES
* epic_rx_desc, epic_tx_desc, epic_frag_list - must be aligned on dword
*/
#define SMC9432DMT 0xA010
#define SMC9432TX 0xA011
#define SMC9032TXM 0xA012
#define SMC9032TX 0xA013
#define SMC9432TXPWR 0xA014
#define SMC9432BTX 0xA015
#define SMC9432FTX 0xA016
#define SMC9432FTX_SC 0xA017
#define SMC9432TX_XG_ADHOC 0xA020
#define SMC9434TX_XG_ADHOC 0xA021
#define SMC9432FTX_ADHOC 0xA022
#define SMC9432BTX1 0xA024