/************************************************************************** * * isapnp.h -- Etherboot isapnp support for the 3Com 3c515 * Written 2002-2003 by Timothy Legge * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * Portions of this code: * Copyright (C) 2001 P.J.H.Fox (fox@roestock.demon.co.uk) * * * * REVISION HISTORY: * ================ * Version 0.1 April 26, 2002 TJL * Version 0.2 01/08/2003 TJL Renamed from 3c515_isapnp.h * * * Generalised into an ISAPnP bus that can be used by more than just * the 3c515 by Michael Brown * ***************************************************************************/ #ifndef ISAPNP_H #define ISAPNP_H #include "stdint.h" #include "nic.h" #include "isa_ids.h" /* * ISAPnP constants * */ /* Port addresses */ #define ISAPNP_ADDRESS 0x279 #define ISAPNP_WRITE_DATA 0xa79 #define ISAPNP_READ_PORT_MIN 0x213 /* ISAPnP spec says 0x203, but * Linux ISAPnP starts at * 0x213 with no explanatory * comment. 0x203 probably * clashes with something. */ #define ISAPNP_READ_PORT_MAX 0x3ff #define ISAPNP_READ_PORT_STEP 0x10 /* Can be any multiple of 4 * according to the spec, but * since ISA I/O addresses are * allocated in blocks of 16, * it makes no sense to use * any value less than 16. */ /* Registers */ #define ISAPNP_READPORT 0x00 #define ISAPNP_SERIALISOLATION 0x01 #define ISAPNP_CONFIGCONTROL 0x02 #define ISAPNP_WAKE 0x03 #define ISAPNP_RESOURCEDATA 0x04 #define ISAPNP_STATUS 0x05 #define ISAPNP_CARDSELECTNUMBER 0x06 #define ISAPNP_LOGICALDEVICENUMBER 0x07 #define ISAPNP_ACTIVATE 0x30 #define ISAPNP_IORANGECHECK 0x31 #define ISAPNP_IOBASE(n) ( 0x60 + ( (n) * 2 ) ) #define ISAPNP_IRQNO(n) ( 0x70 + ( (n) * 2 ) ) #define ISAPNP_IRQTYPE(n) ( 0x71 + ( (n) * 2 ) ) /* Bits in the CONFIGCONTROL register */ #define ISAPNP_CONFIG_RESET ( 1 << 0 ) #define ISAPNP_CONFIG_WAIT_FOR_KEY ( 1 << 1 ) #define ISAPNP_CONFIG_RESET_CSN ( 1 << 2 ) #define ISAPNP_CONFIG_RESET_DRV ( ISAPNP_CONFIG_RESET | \ ISAPNP_CONFIG_WAIT_FOR_KEY | \ ISAPNP_CONFIG_RESET_CSN ) /* The LFSR used for the initiation key and for checksumming */ #define ISAPNP_LFSR_SEED 0x6a /* Small tags */ #define ISAPNP_IS_SMALL_TAG(tag) ( ! ( (tag) & 0x80 ) ) #define ISAPNP_SMALL_TAG_NAME(tag) ( ( (tag) >> 3 ) & 0xf ) #define ISAPNP_SMALL_TAG_LEN(tag) ( ( (tag) & 0x7 ) ) #define ISAPNP_TAG_PNPVERNO 0x01 #define ISAPNP_TAG_LOGDEVID 0x02 #define ISAPNP_TAG_COMPATDEVID 0x03 #define ISAPNP_TAG_IRQ 0x04 #define ISAPNP_TAG_DMA 0x05 #define ISAPNP_TAG_STARTDEP 0x06 #define ISAPNP_TAG_ENDDEP 0x07 #define ISAPNP_TAG_IOPORT 0x08 #define ISAPNP_TAG_FIXEDIO 0x09 #define ISAPNP_TAG_RSVDSHORTA 0x0A #define ISAPNP_TAG_RSVDSHORTB 0x0B #define ISAPNP_TAG_RSVDSHORTC 0x0C #define ISAPNP_TAG_RSVDSHORTD 0x0D #define ISAPNP_TAG_VENDORSHORT 0x0E #define ISAPNP_TAG_END 0x0F /* Large tags */ #define ISAPNP_IS_LARGE_TAG(tag) ( ( (tag) & 0x80 ) ) #define ISAPNP_LARGE_TAG_NAME(tag) (tag) #define ISAPNP_TAG_MEMRANGE 0x81 #define ISAPNP_TAG_ANSISTR 0x82 #define ISAPNP_TAG_UNICODESTR 0x83 #define ISAPNP_TAG_VENDORLONG 0x84 #define ISAPNP_TAG_MEM32RANGE 0x85 #define ISAPNP_TAG_FIXEDMEM32RANGE 0x86 #define ISAPNP_TAG_RSVDLONG0 0xF0 #define ISAPNP_TAG_RSVDLONG1 0xF1 #define ISAPNP_TAG_RSVDLONG2 0xF2 #define ISAPNP_TAG_RSVDLONG3 0xF3 #define ISAPNP_TAG_RSVDLONG4 0xF4 #define ISAPNP_TAG_RSVDLONG5 0xF5 #define ISAPNP_TAG_RSVDLONG6 0xF6 #define ISAPNP_TAG_RSVDLONG7 0xF7 #define ISAPNP_TAG_RSVDLONG8 0xF8 #define ISAPNP_TAG_RSVDLONG9 0xF9 #define ISAPNP_TAG_RSVDLONGA 0xFA #define ISAPNP_TAG_RSVDLONGB 0xFB #define ISAPNP_TAG_RSVDLONGC 0xFC #define ISAPNP_TAG_RSVDLONGD 0xFD #define ISAPNP_TAG_RSVDLONGE 0xFE #define ISAPNP_TAG_RSVDLONGF 0xFF #define ISAPNP_TAG_PSEUDO_NEWBOARD 0x100 /* * An ISAPnP serial identifier * */ struct isapnp_identifier { uint16_t vendor_id; uint16_t prod_id; uint32_t serial; uint8_t checksum; } __attribute__ (( packed )); /* * An ISAPnP logical device ID structure * */ struct isapnp_logdevid { uint16_t vendor_id; uint16_t prod_id; uint16_t flags; } __attribute__ (( packed )); /* * A location on an ISAPnP bus * */ struct isapnp_loc { uint8_t csn; uint8_t logdev; }; /* * A physical ISAPnP device * */ struct isapnp_device { const char *name; uint8_t csn; uint8_t logdev; uint16_t vendor_id; uint16_t prod_id; uint16_t ioaddr; uint8_t irqno; }; /* * An individual ISAPnP device identified by ID * */ struct isapnp_id { const char *name; uint16_t vendor_id, prod_id; }; /* * An ISAPnP driver, with a device ID (struct isapnp_id) table. * */ struct isapnp_driver { struct isapnp_id *ids; unsigned int id_count; }; /* * Define an ISAPnP driver * */ #define ISAPNP_DRIVER( _name, _ids ) \ static struct isapnp_driver _name = { \ .ids = _ids, \ .id_count = sizeof ( _ids ) / sizeof ( _ids[0] ), \ } /* * Functions in isapnp.c * */ extern void isapnp_device_activation ( struct isapnp_device *isapnp, int activation ); extern void isapnp_fill_nic ( struct nic *nic, struct isapnp_device *isapnp ); static inline void activate_isapnp_device ( struct isapnp_device *isapnp ) { isapnp_device_activation ( isapnp, 1 ); } static inline void deactivate_isapnp_device ( struct isapnp_device *isapnp ) { isapnp_device_activation ( isapnp, 0 ); } /* * ISAPnP bus global definition * */ extern struct bus_driver isapnp_driver; /* * ISAPnP read port. ROM prefix may be able to set this address. * */ extern uint16_t isapnp_read_port; #endif /* ISAPNP_H */