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/* $OpenBSD: mb86960reg.h,v 1.3 2003/10/21 18:58:49 jmc Exp $ */
/*
* All Rights Reserved, Copyright (C) Fujitsu Limited 1995
*
* This software may be used, modified, copied, distributed, and sold, in
* both source and binary form provided that the above copyright, these
* terms and the following disclaimer are retained. The name of the author
* and/or the contributor 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 AND THE CONTRIBUTOR ``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 THE CONTRIBUTOR 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.
*/
#define FE_MB86960_H_VERSION "mb86960.h ver. 0.8"
/*
* Registers of Fujitsu MB86960A/MB86965A Ethernet controller.
* Written and contributed by M.S. <seki@sysrap.cs.fujitsu.co.jp>
*/
/*
* Notes on register naming:
*
* Fujitsu documents for MB86960A/MB86965A use no memorable names
* for their registers. They defined only three names for 32
* registers and appended numbers to distinguish registers of
* same name. Surprisingly, the numbers represent I/O address
* offsets of the registers from the base addresses, and their
* names correspond to the "bank" the registers are allocated.
* All this means that, for example, to say "read DLCR8" has no more
* than to say "read a register at offset 8 on bank DLCR."
*
* The following definitions may look silly, but that's what Fujitsu
* did, and it is necessary to know these names to read Fujitsu
* documents..
*/
/* Data Link Control Registers, on invaliant port addresses. */
#define FE_DLCR0 0
#define FE_DLCR1 1
#define FE_DLCR2 2
#define FE_DLCR3 3
#define FE_DLCR4 4
#define FE_DLCR5 5
#define FE_DLCR6 6
#define FE_DLCR7 7
/* More DLCRs, on register bank #0. */
#define FE_DLCR8 8
#define FE_DLCR9 9
#define FE_DLCR10 10
#define FE_DLCR11 11
#define FE_DLCR12 12
#define FE_DLCR13 13
#define FE_DLCR14 14
#define FE_DLCR15 15
/* Multicast Address Registers. On register bank #1. */
#define FE_MAR8 8
#define FE_MAR9 9
#define FE_MAR10 10
#define FE_MAR11 11
#define FE_MAR12 12
#define FE_MAR13 13
#define FE_MAR14 14
#define FE_MAR15 15
/* Buffer Memory Port Registers. On register back #2. */
#define FE_BMPR8 8
#define FE_BMPR9 9
#define FE_BMPR10 10
#define FE_BMPR11 11
#define FE_BMPR12 12
#define FE_BMPR13 13
#define FE_BMPR14 14
#define FE_BMPR15 15
/* More BMPRs, only on MB86965A, accessible only when JLI mode. */
#define FE_BMPR16 16
#define FE_BMPR17 17
#define FE_BMPR18 18
#define FE_BMPR19 19
#define FE_RESET 31
/*
* Definitions of registers.
* I don't have Fujitsu documents of MB86960A/MB86965A, so I don't
* know the official names for the flags and fields. The following
* names are assigned by me (the author of this file), since I cannot
* memorize hexadecimal constants for all of these functions.
* Comments? FIXME.
*/
/* DLCR0 -- transmitter status */
#define FE_D0_BUSERR 0x01 /* Bus write error */
#define FE_D0_COLL16 0x02 /* Collision limit (16) encountered */
#define FE_D0_COLLID 0x04 /* Collision on last transmission */
#define FE_D0_JABBER 0x08 /* Jabber */
#define FE_D0_CRLOST 0x10 /* Carrier lost on last transmission */
#define FE_D0_PKTRCD 0x20 /* No collision on last transmission */
#define FE_D0_NETBSY 0x40 /* Network Busy (Carrier Detected) */
#define FE_D0_TXDONE 0x80 /* Transmission complete */
/* DLCR1 -- receiver status */
#define FE_D1_OVRFLO 0x01 /* Receiver buffer overflow */
#define FE_D1_CRCERR 0x02 /* CRC error on last packet */
#define FE_D1_ALGERR 0x04 /* Alignment error on last packet */
#define FE_D1_SRTPKT 0x08 /* Short (RUNT) packet is received */
#define FE_D1_RMTRST 0x10 /* Remote reset packet (type = 0x0900) */
#define FE_D1_DMAEOP 0x20 /* Host asserted End of DMA OPeration */
#define FE_D1_BUSERR 0x40 /* Bus read error */
#define FE_D1_PKTRDY 0x80 /* Packet(s) ready on receive buffer */
#define FE_D1_ERRBITS "\20\4SRTPKT\3ALGERR\2CRCERR\1OVRFLO"
/* DLCR2 -- transmitter interrupt control; same layout as DLCR0 */
#define FE_D2_BUSERR FE_D0_BUSERR
#define FE_D2_COLL16 FE_D0_COLL16
#define FE_D2_COLLID FE_D0_COLLID
#define FE_D2_JABBER FE_D0_JABBER
#define FE_D2_TXDONE FE_D0_TXDONE
#define FE_D2_RESERVED 0x70
/* DLCR3 -- receiver interrupt control; same layout as DLCR1 */
#define FE_D3_OVRFLO FE_D1_OVRFLO
#define FE_D3_CRCERR FE_D1_CRCERR
#define FE_D3_ALGERR FE_D1_ALGERR
#define FE_D3_SRTPKT FE_D1_SRTPKT
#define FE_D3_RMTRST FE_D1_RMTRST
#define FE_D3_DMAEOP FE_D1_DMAEOP
#define FE_D3_BUSERR FE_D1_BUSERR
#define FE_D3_PKTRDY FE_D1_PKTRDY
/* DLCR4 -- transmitter operation mode */
#define FE_D4_DSC 0x01 /* Disable carrier sense on trans. */
#define FE_D4_LBC 0x02 /* Loop back test control */
#define FE_D4_CNTRL 0x04 /* - ??? */
#define FE_D4_TEST1 0x08 /* Test output #1 */
#define FE_D4_COL 0xF0 /* Collision counter */
#define FE_D4_LBC_ENABLE 0x00 /* Perform loop back test */
#define FE_D4_LBC_DISABLE 0x02 /* Normal operation */
#define FE_D4_COL_SHIFT 4
/* DLCR5 -- receiver operation mode */
#define FE_D5_AFM0 0x01 /* Receive packets for other stations */
#define FE_D5_AFM1 0x02 /* Receive packets for this station */
#define FE_D5_RMTRST 0x04 /* Enable remote reset operation */
#define FE_D5_SRTPKT 0x08 /* Accept short (RUNT) packets */
#define FE_D5_SRTADR 0x10 /* Short (16 bits?) MAC address */
#define FE_D5_BADPKT 0x20 /* Accept packets with error */
#define FE_D5_BUFEMP 0x40 /* Receive buffer is empty */
#define FE_D5_TEST2 0x80 /* Test output #2 */
/* DLCR6 -- hardware configuration #0 */
#define FE_D6_BUFSIZ 0x03 /* Size of NIC buffer SRAM */
#define FE_D6_TXBSIZ 0x0C /* Size (and config)of trans. buffer */
#define FE_D6_BBW 0x10 /* Buffer SRAM bus width */
#define FE_D6_SBW 0x20 /* System bus width */
#define FE_D6_SRAM 0x40 /* Buffer SRAM access time */
#define FE_D6_DLC 0x80 /* Disable DLC (receiver/transmitter) */
#define FE_D6_BUFSIZ_8KB 0x00 /* The board has 8KB SRAM */
#define FE_D6_BUFSIZ_16KB 0x01 /* The board has 16KB SRAM */
#define FE_D6_BUFSIZ_32KB 0x02 /* The board has 32KB SRAM */
#define FE_D6_BUFSIZ_64KB 0x03 /* The board has 64KB SRAM */
#define FE_D6_TXBSIZ_1x2KB 0x00 /* Single 2KB buffer for trans. */
#define FE_D6_TXBSIZ_2x2KB 0x04 /* Double 2KB buffers */
#define FE_D6_TXBSIZ_2x4KB 0x08 /* Double 4KB buffers */
#define FE_D6_TXBSIZ_2x8KB 0x0C /* Double 8KB buffers */
#define FE_D6_BBW_WORD 0x00 /* SRAM has 16 bit data line */
#define FE_D6_BBW_BYTE 0x10 /* SRAM has 8 bit data line */
#define FE_D6_SBW_WORD 0x00 /* Access with 16 bit (AT) bus */
#define FE_D6_SBW_BYTE 0x20 /* Access with 8 bit (XT) bus */
#define FE_D6_SRAM_150ns 0x00 /* The board has slow SRAM */
#define FE_D6_SRAM_100ns 0x40 /* The board has fast SRAM */
#define FE_D6_DLC_ENABLE 0x00 /* Normal operation */
#define FE_D6_DLC_DISABLE 0x80 /* Stop sending/receiving */
/* DLC7 -- hardware configuration #1 */
#define FE_D7_BYTSWP 0x01 /* Host byte order control */
#define FE_D7_EOPPOL 0x02 /* Polarity of DMA EOP signal */
#define FE_D7_RBS 0x0C /* Register bank select */
#define FE_D7_RDYPNS 0x10 /* Senses RDYPNSEL input signal */
#define FE_D7_POWER 0x20 /* Stand-by (power down) mode control */
#define FE_D7_IDENT 0xC0 /* Chip identification */
#define FE_D7_BYTSWP_LH 0x00 /* DEC/Intel byte order */
#define FE_D7_BYTSWP_HL 0x01 /* IBM/Motorolla byte order */
#define FE_D7_RBS_DLCR 0x00 /* Select DLCR8-15 */
#define FE_D7_RBS_MAR 0x04 /* Select MAR8-15 */
#define FE_D7_RBS_BMPR 0x08 /* Select BMPR8-15 */
#define FE_D7_POWER_DOWN 0x00 /* Power down (stand-by) mode */
#define FE_D7_POWER_UP 0x20 /* Normal operation */
#define FE_D7_IDENT_NICE 0x80
#define FE_D7_IDENT_EC 0xC0
/* DLCR8 thru DLCR13 are for Ethernet station address. */
/* DLCR14 and DLCR15 are for TDR. (BTW, what is TDR? FIXME.) */
/* MAR8 thru MAR15 are for Multicast address filter. */
/* BMPR8 and BMPR9 are for packet data. */
/* BMPR10 -- transmitter start trigger */
#define FE_B10_START 0x80 /* Start transmitter */
#define FE_B10_COUNT 0x7F /* Packet count */
/* BMPR11 -- 16 collisions control */
#define FE_B11_CTRL 0x01 /* Skip or resend errored packets */
#define FE_B11_MODE1 0x02 /* Restart transmitter after COLL16 */
#define FE_B11_MODE2 0x04 /* Automatic restart enable */
#define FE_B11_CTRL_RESEND 0x00 /* Re-send the collided packet */
#define FE_B11_CTRL_SKIP 0x01 /* Skip the collided packet */
/* BMPR12 -- DMA enable */
#define FE_B12_TXDMA 0x01 /* Enable transmitter DMA */
#define FE_B12_RXDMA 0x02 /* Enable receiver DMA */
/* BMPR13 -- DMA control */
#define FE_B13_BSTCTL 0x03 /* DMA burst mode control */
#define FE_B13_TPTYPE 0x04 /* Twisted pair cable impedance */
#define FE_B13_PORT 0x18 /* Port (TP/AUI) selection */
#define FE_B13_LNKTST 0x20 /* Link test enable */
#define FE_B13_SQTHLD 0x40 /* Lower squelch threshold */
#define FE_B13_IOUNLK 0x80 /* Change I/O base address */
#define FE_B13_BSTCTL_1 0x00
#define FE_B13_BSTCTL_4 0x01
#define FE_B13_BSTCTL_8 0x02
#define FE_B13_BSTCLT_12 0x03
#define FE_B13_TPTYPE_UTP 0x00 /* Unshielded (standard) cable */
#define FE_B13_TPTYPE_STP 0x04 /* Shielded (IBM) cable */
#define FE_B13_PORT_AUTO 0x00 /* Auto detected */
#define FE_B13_PORT_TP 0x08 /* Force TP */
#define FE_B13_PORT_AUI 0x18 /* Force AUI */
/* BMPR14 -- More receiver control and more transmission interrupts */
#define FE_B14_FILTER 0x01 /* Filter out self-originated packets */
#define FE_B14_SQE 0x02 /* SQE interrupt enable */
#define FE_B14_SKIP 0x04 /* Skip a received packet */
#define FE_B14_RJAB 0x20 /* RJAB interrupt enable */
#define FE_B14_LLD 0x40 /* Local-link-down interrupt enable */
#define FE_B14_RLD 0x80 /* Remote-link-down interrupt enable */
/* BMPR15 -- More transmitter status; basically same layout as BMPR14 */
#define FE_B15_SQE FE_B14_SQE
#define FE_B15_RCVPOL 0x08 /* Reversed receive line polarity */
#define FE_B15_RMTPRT 0x10 /* ??? */
#define FE_B15_RAJB FE_B14_RJAB
#define FE_B15_LLD FE_B14_LLD
#define FE_B15_RLD FE_B14_RLD
/* BMPR16 -- EEPROM control */
#define FE_B16_DOUT 0x04 /* EEPROM Data in (CPU to EEPROM) */
#define FE_B16_SELECT 0x20 /* EEPROM chip select */
#define FE_B16_CLOCK 0x40 /* EEPROM shift clock */
#define FE_B16_DIN 0x80 /* EEPROM data out (EEPROM to CPU) */
/* BMPR17 -- EEPROM data */
#define FE_B17_DATA 0x80 /* EEPROM data bit */
/* BMPR18 ??? */
/* BMPR19 -- ISA interface configuration */
#define FE_B19_IRQ 0xC0
#define FE_B19_IRQ_SHIFT 6
#define FE_B19_ROM 0x38
#define FE_B19_ROM_SHIFT 3
#define FE_B19_ADDR 0x07
#define FE_B19_ADDR_SHIFT 0
/*
* EEPROM specification (of JLI mode).
*/
/* Number of bytes in an EEPROM accessible through 86965. */
#define FE_EEPROM_SIZE 32
/* Offset for JLI config; automatically copied into BMPR19 at startup. */
#define FE_EEPROM_CONF 0
/*
* Some 86960 specific constants.
*/
/* Length (in bytes) of a Multicast Address Filter. */
#define FE_FILTER_LEN 8
/* How many packets we can put in the transmission buffer on NIC memory. */
#define FE_QUEUEING_MAX 127
/* Length (in bytes) of a "packet length" word in transmission buffer. */
#define FE_DATA_LEN_LEN 2
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