diff options
Diffstat (limited to 'sys/dev/snc/if_sncreg.h')
| -rw-r--r-- | sys/dev/snc/if_sncreg.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/sys/dev/snc/if_sncreg.h b/sys/dev/snc/if_sncreg.h new file mode 100644 index 0000000..30b0bb7 --- /dev/null +++ b/sys/dev/snc/if_sncreg.h @@ -0,0 +1,140 @@ +/* $FreeBSD$ */ +/* $NecBSD: if_snreg.h,v 1.3 1999/01/24 01:39:52 kmatsuda Exp $ */ +/* $NetBSD$ */ + +/* + * Copyright (c) 1997, 1998, 1999 + * Kouichi Matsuda. 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Kouichi Matsuda for + * NetBSD/pc98. + * 4. The name of the author 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 ``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. + */ +/* + * Modified for NetBSD/pc98 1.2.1 from NetBSD/mac68k 1.2D by Kouichi Matsuda. + * Make adapted for NEC PC-9801-83, 84, PC-9801-103, 104, PC-9801N-25 and + * PC-9801N-J02R, which uses National Semiconductor DP83934AVQB as + * Ethernet Controller and National Semiconductor NS46C46 as (64 * 16 bits) + * Microwire Serial EEPROM. + */ + +/* + * XXX: Should not be HERE. (Should be shared with...) + */ + +/* + * NEC/SONIC port mappings, offset from iobase. + */ +#define SNEC_CTRL 0 /* SONIC control port (word) */ +#define SNEC_CTRLB 1 /* NEC/SONIC control port (byte) */ +#define SNEC_RSVD0 2 /* not used */ +#define SNEC_ADDR 3 /* SONIC, NEC/SONIC register address set port */ +#define SNEC_RSVD1 4 /* not used */ +#define SNEC_RSVD2 5 /* not used */ + +#define SNEC_NREGS 6 + +/* bank memory size */ +#define SNEC_NMEMS (NBPG * 2) +/* how many bank */ +#define SNEC_NBANK 0x10 +/* internal buffer size */ +#define SNEC_NBUF (SNEC_NMEMS * SNEC_NBANK) + + +/* + * NEC/SONIC specific internal registers. + */ + +/* + * Memory Bank Select Register (MEMBS) + */ +#define SNECR_MEMBS 0x80 +#define SNECR_MEMBS_BSEN 0x01 /* enable memory bank select */ +#define SNECR_MEMBS_EBNMSK 0x1c /* encoded bank select number */ +/* Translate bank number to encoded bank select number. */ +#define SNECR_MEMBS_B2EB(bank) (bank << 2) +#define SNECR_MEMBS_PCMCIABUS 0x80 /* bus type identification */ + +/* + * Memory Base Address Select Register (MEMSEL) + */ +#define SNECR_MEMSEL 0x82 +/* Translate base phys address to encoded select number. */ +#define SNECR_MEMSEL_PHYS2EN(maddr) ((maddr >> 13) & 0x0f) + +/* + * Encoded Irq Select Register (IRQSEL) + */ +#define SNECR_IRQSEL 0x84 + +/* + * EEPROM Access Register (EEP) + */ +#define SNECR_EEP 0x86 +#define SNECR_EEP_DI 0x10 /* EEPROM Serial Data Input (high) */ +#define SNECR_EEP_CS 0x20 /* EEPROM Chip Select (high) */ +#define SNECR_EEP_SK 0x40 /* EEPROM Serial Data Clock (high) */ +#define SNECR_EEP_DO 0x80 /* EEPROM Serial Data Output (high) */ + +/* EEPROM data locations */ +#define SNEC_EEPROM_KEY0 6 /* Station Address Check Sum Key #1 */ +#define SNEC_EEPROM_KEY1 7 /* Station Address Check Sum Key #2 */ +#define SNEC_EEPROM_SA0 8 /* Station Address #1 */ +#define SNEC_EEPROM_SA1 9 /* Station Address #2 */ +#define SNEC_EEPROM_SA2 10 /* Station Address #3 */ +#define SNEC_EEPROM_SA3 11 /* Station Address #4 */ +#define SNEC_EEPROM_SA4 12 /* Station Address #5 */ +#define SNEC_EEPROM_SA5 13 /* Station Address #6 */ +#define SNEC_EEPROM_CKSUM 14 /* Station Address Check Sum */ + +#define SNEC_EEPROM_SIZE 32 /* valid EEPROM data (max 128 bytes) */ + +/* + * Bus and Mode Identification Register (IDENT) + */ +#define SNECR_IDENT 0x88 + /* Bit 0: Bus Identification. */ +#define SNECR_IDENT_CBUS 0x01 /* on PC-98 C-Bus */ +#define SNECR_IDENT_PCMCIABUS 0x00 /* on PCMCIA Bus */ + /* Bit 2: always 1 */ +#define SNECR_IDENT_MAGIC 0x04 + /* Bit 4: Bus Configuration Mode Identification. */ +#define SNECR_IDENT_PNP 0x10 /* Plug and Play (C-Bus and PCMCIA) */ +#define SNECR_IDENT_LEGACY 0x00 /* Legacy C-Bus */ + +#define SNECR_IDENT_LEGACY_CBUS \ + (SNECR_IDENT_LEGACY | SNECR_IDENT_MAGIC | SNECR_IDENT_CBUS) +#define SNECR_IDENT_PNP_CBUS \ + (SNECR_IDENT_PNP | SNECR_IDENT_MAGIC | SNECR_IDENT_CBUS) +#define SNECR_IDENT_PNP_PCMCIABUS \ + (SNECR_IDENT_PNP | SNECR_IDENT_MAGIC | SNECR_IDENT_PCMCIABUS) + +/* + * XXX: parent bus type aliases + */ +#define SNEC_TYPE_LEGACY 0 +#define SNEC_TYPE_PNP 1 + |
