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- /**************************************************************************
- *
- * isapnp.h -- Etherboot isapnp support for the 3Com 3c515
- * Written 2002-2003 by Timothy Legge <tlegge@rogers.com>
- *
- * 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 <mbrown@fensystems.co.uk>
- *
- ***************************************************************************/
-
- #ifndef ISAPNP_H
- #define ISAPNP_H
-
- #include "isa_ids.h"
- #include "dev.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 0x08 /* Can be any multiple of 4 */
-
- /* 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
-
- /* 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
-
- /* Short Tags */
- #define PnPVerNo_TAG 0x01
- #define LogDevId_TAG 0x02
- #define CompatDevId_TAG 0x03
- #define IRQ_TAG 0x04
- #define DMA_TAG 0x05
- #define StartDep_TAG 0x06
- #define EndDep_TAG 0x07
- #define IOport_TAG 0x08
- #define FixedIO_TAG 0x09
- #define RsvdShortA_TAG 0x0A
- #define RsvdShortB_TAG 0x0B
- #define RsvdShortC_TAG 0x0C
- #define RsvdShortD_TAG 0x0D
- #define VendorShort_TAG 0x0E
- #define End_TAG 0x0F
- /* Long Tags */
- #define MemRange_TAG 0x81
- #define ANSIstr_TAG 0x82
- #define UNICODEstr_TAG 0x83
- #define VendorLong_TAG 0x84
- #define Mem32Range_TAG 0x85
- #define FixedMem32Range_TAG 0x86
- #define RsvdLong0_TAG 0xF0
- #define RsvdLong1_TAG 0xF1
- #define RsvdLong2_TAG 0xF2
- #define RsvdLong3_TAG 0xF3
- #define RsvdLong4_TAG 0xF4
- #define RsvdLong5_TAG 0xF5
- #define RsvdLong6_TAG 0xF6
- #define RsvdLong7_TAG 0xF7
- #define RsvdLong8_TAG 0xF8
- #define RsvdLong9_TAG 0xF9
- #define RsvdLongA_TAG 0xFA
- #define RsvdLongB_TAG 0xFB
- #define RsvdLongC_TAG 0xFC
- #define RsvdLongD_TAG 0xFD
- #define RsvdLongE_TAG 0xFE
- #define RsvdLongF_TAG 0xFF
- #define NewBoard_PSEUDOTAG 0x100
-
- /*
- * An ISAPnP serial identifier
- *
- */
- union isapnp_identifier {
- char bytes[9];
- struct {
- uint16_t vendor_id;
- uint16_t product_id;
- uint32_t serial;
- uint8_t checksum;
- } __attribute__ (( packed ));
- } __attribute__ (( packed ));
-
- /*
- * A physical ISAPnP device
- *
- */
- struct isapnp_device {
- char *magic; /* must be first */
- const char *name;
- unsigned char csn;
- uint16_t vendor_id;
- uint16_t prod_id;
- int already_tried;
- };
-
- /*
- * 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 {
- const char *name;
- struct isapnp_id *ids;
- unsigned int id_count;
- };
-
- /*
- * Define an ISAPnP driver
- *
- */
- #define ISAPNP_DRIVER( driver_name, isapnp_ids ) { \
- .name = driver_name, \
- .ids = isapnp_ids, \
- .id_count = sizeof ( isapnp_ids ) / sizeof ( isapnp_ids[0] ), \
- }
-
- /*
- * Functions in isapnp.c
- *
- */
- extern int find_isapnp_device ( struct isapnp_device *isapnp,
- struct isapnp_driver *driver );
- extern int find_isapnp_boot_device ( struct dev *dev,
- struct isapnp_driver *driver );
-
- #endif /* ISAPNP_H */
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