/* $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. */ /* * 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