Updated ISAPnP, EISA, MCA and ISA buses to current device model.

ISA 3c509 is currently non-functional, although the EISA (3c509-eisa) and
MCA (3c529) variants should build OK.

None of this code is yet tested.
This commit is contained in:
Michael Brown
2007-03-10 18:08:33 +00:00
parent f079865606
commit 520d9c36af
36 changed files with 1445 additions and 1675 deletions

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@@ -11,18 +11,18 @@
#include <gpxe/list.h>
#include <gpxe/tables.h>
/** A PCI device description */
struct pci_device_description {
/** A hardware device description */
struct device_description {
/** Bus type
*
* Must be @c BUS_TYPE_PCI.
* This must be a BUS_TYPE_XXX constant.
*/
unsigned int bus_type;
/** Bus:dev.fn address
/** Location
*
* As constructed by PCI_BUSDEVFN().
* The interpretation of this field is bus-type-specific.
*/
unsigned int busdevfn;
unsigned int location;
/** Vendor ID */
unsigned int vendor;
/** Device ID */
@@ -32,37 +32,24 @@ struct pci_device_description {
/** PCI bus type */
#define BUS_TYPE_PCI 1
/** An ISAPnP device description */
struct isapnp_device_description {
/** Bus type
*
* Must be @c BUS_TYPE_ISAPNP.
*/
unsigned int bus_type;
};
/** PCI bus type */
/** ISAPnP bus type */
#define BUS_TYPE_ISAPNP 2
/** A hardware device description */
union device_description {
/** Bus type
*
* This must be a BUS_TYPE_XXX constant.
*/
unsigned int bus_type;
/** PCI device description */
struct pci_device_description pci;
/** ISAPnP device description */
struct isapnp_device_description isapnp;
};
/** EISA bus type */
#define BUS_TYPE_EISA 3
/** MCA bus type */
#define BUS_TYPE_MCA 4
/** ISA bus type */
#define BUS_TYPE_ISA 5
/** A hardware device */
struct device {
/** Name */
char name[16];
/** Device description */
union device_description desc;
struct device_description desc;
/** Devices on the same bus */
struct list_head siblings;
/** Devices attached to this device */

125
src/include/gpxe/eisa.h Normal file
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@@ -0,0 +1,125 @@
#ifndef EISA_H
#define EISA_H
#include <stdint.h>
#include <gpxe/isa_ids.h>
#include <gpxe/device.h>
#include <gpxe/tables.h>
/*
* EISA constants
*
*/
#define EISA_MIN_SLOT (0x1)
#define EISA_MAX_SLOT (0xf) /* Must be 2^n - 1 */
#define EISA_SLOT_BASE( n ) ( 0x1000 * (n) )
#define EISA_VENDOR_ID ( 0xc80 )
#define EISA_PROD_ID ( 0xc82 )
#define EISA_GLOBAL_CONFIG ( 0xc84 )
#define EISA_CMD_RESET ( 1 << 2 )
#define EISA_CMD_ENABLE ( 1 << 0 )
/** An EISA device ID list entry */
struct eisa_device_id {
/** Name */
const char *name;
/** Manufacturer ID */
uint16_t vendor_id;
/** Product ID */
uint16_t prod_id;
};
/** An EISA device */
struct eisa_device {
/** Generic device */
struct device dev;
/** Slot number */
unsigned int slot;
/** I/O address */
uint16_t ioaddr;
/** Manufacturer ID */
uint16_t vendor_id;
/** Product ID */
uint16_t prod_id;
/** Driver for this device */
struct eisa_driver *driver;
/** Driver-private data
*
* Use eisa_set_drvdata() and eisa_get_drvdata() to access
* this field.
*/
void *priv;
/** Driver name */
const char *driver_name;
};
/** An EISA driver */
struct eisa_driver {
/** EISA ID table */
struct eisa_device_id *ids;
/** Number of entries in EISA ID table */
unsigned int id_count;
/**
* Probe device
*
* @v eisa EISA device
* @v id Matching entry in ID table
* @ret rc Return status code
*/
int ( * probe ) ( struct eisa_device *eisa,
const struct eisa_device_id *id );
/**
* Remove device
*
* @v eisa EISA device
*/
void ( * remove ) ( struct eisa_device *eisa );
};
/** Declare an EISA driver */
#define __eisa_driver __table ( struct eisa_driver, eisa_drivers, 01 )
extern void eisa_device_enabled ( struct eisa_device *eisa, int enabled );
/**
* Enable EISA device
*
* @v eisa EISA device
*/
static inline void enable_eisa_device ( struct eisa_device *eisa ) {
eisa_device_enabled ( eisa, 1 );
}
/**
* Disable EISA device
*
* @v eisa EISA device
*/
static inline void disable_eisa_device ( struct eisa_device *eisa ) {
eisa_device_enabled ( eisa, 0 );
}
/**
* Set EISA driver-private data
*
* @v eisa EISA device
* @v priv Private data
*/
static inline void eisa_set_drvdata ( struct eisa_device *eisa, void *priv ) {
eisa->priv = priv;
}
/**
* Get EISA driver-private data
*
* @v eisa EISA device
* @ret priv Private data
*/
static inline void * eisa_get_drvdata ( struct eisa_device *eisa ) {
return eisa->priv;
}
#endif /* EISA_H */

92
src/include/gpxe/isa.h Normal file
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@@ -0,0 +1,92 @@
#ifndef ISA_H
#define ISA_H
#include <stdint.h>
#include <gpxe/isa_ids.h>
#include <gpxe/device.h>
#include <gpxe/tables.h>
/** An ISA device */
struct isa_device {
/** Generic device */
struct device dev;
/** I/O address */
uint16_t ioaddr;
/** Driver for this device */
struct isa_driver *driver;
/** Driver-private data
*
* Use isa_set_drvdata() and isa_get_drvdata() to access
* this field.
*/
void *priv;
/** Driver name */
const char *driver_name;
};
/*
* An individual ISA device, identified by probe address
*
*/
typedef uint16_t isa_probe_addr_t;
/** An ISA driver */
struct isa_driver {
/** Name */
const char *name;
/** Probe address list */
isa_probe_addr_t *probe_addrs;
/** Number of entries in probe address list */
unsigned int addr_count;
/** Manufacturer ID to be assumed for this device */
uint16_t vendor_id;
/** Product ID to be assumed for this device */
uint16_t prod_id;
/**
* Probe device
*
* @v isa ISA device
* @v id Matching entry in ID table
* @ret rc Return status code
*/
int ( * probe ) ( struct isa_device *isa );
/**
* Remove device
*
* @v isa ISA device
*/
void ( * remove ) ( struct isa_device *isa );
};
/** Declare an ISA driver */
#define __isa_driver __table ( struct isa_driver, isa_drivers, 01 )
/**
* Set ISA driver-private data
*
* @v isa ISA device
* @v priv Private data
*/
static inline void isa_set_drvdata ( struct isa_device *isa, void *priv ) {
isa->priv = priv;
}
/**
* Get ISA driver-private data
*
* @v isa ISA device
* @ret priv Private data
*/
static inline void * isa_get_drvdata ( struct isa_device *isa ) {
return isa->priv;
}
/*
* ISA_ROM is parsed by parserom.pl to generate Makefile rules and
* files for rom-o-matic.
*
*/
#define ISA_ROM( IMAGE, DESCRIPTION )
#endif /* ISA_H */

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@@ -0,0 +1,49 @@
#ifndef ISA_IDS_H
#define ISA_IDS_H
/*
* This file defines IDs as used by ISAPnP and EISA devices. These
* IDs have the format:
*
* vendor byte 0 bit 7 must be zero
* bits 6-2 first vendor char in compressed ASCII
* bits 1-0 second vendor char in compressed ASCII (bits 4-3)
* byte 1 bits 7-5 second vendor char in compressed ASCII (bits 2-0)
* bits 4-0 third vendor char in compressed ASCII
* product byte 0 bits 7-4 first hex digit of product number
* bits 3-0 second hex digit of product number
* byte 1 bits 7-4 third hex digit of product number
* bits 3-0 hex digit of revision level
*
* ISA IDs are always expressed in little-endian order, even though
* the underlying "meaning" is big-endian.
*/
#include <byteswap.h>
/*
* Construct a vendor ID from three ASCII characters
*
*/
#define ISA_VENDOR( a, b, c ) \
bswap_16 ( ( ( ( (a) - 'A' + 1 ) & 0x1f ) << 10 ) | \
( ( ( (b) - 'A' + 1 ) & 0x1f ) << 5 ) | \
( ( ( (c) - 'A' + 1 ) & 0x1f ) << 0 ) )
#define ISAPNP_VENDOR( a, b, c ) ISA_VENDOR ( a, b, c )
#define EISA_VENDOR( a, b, c ) ISA_VENDOR ( a, b, c )
#define GENERIC_ISAPNP_VENDOR ISAPNP_VENDOR ( 'P','N','P' )
/*
* Extract product ID and revision from combined product field
*
*/
#define ISA_PROD_ID_MASK ( 0xf0ff )
#define ISA_PROD_ID(product) ( (product) & ISA_PROD_ID_MASK )
#define ISA_PROD_REV(product) ( ( (product) & ~ISA_PROD_ID_MASK ) >> 8 )
/* Functions in isa_ids.c */
extern char * isa_id_string ( unsigned int vendor, unsigned int product );
#endif /* ISA_IDS_H */

268
src/include/gpxe/isapnp.h Normal file
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@@ -0,0 +1,268 @@
/**************************************************************************
*
* 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 <stdint.h>
#include <gpxe/isa_ids.h>
#include <gpxe/device.h>
#include <gpxe/tables.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 {
/** Vendor ID */
uint16_t vendor_id;
/** Product ID */
uint16_t prod_id;
/** Serial number */
uint32_t serial;
/** Checksum */
uint8_t checksum;
} __attribute__ (( packed ));
/** An ISAPnP logical device ID structure */
struct isapnp_logdevid {
/** Vendor ID */
uint16_t vendor_id;
/** Product ID */
uint16_t prod_id;
/** Flags */
uint16_t flags;
} __attribute__ (( packed ));
/** An ISAPnP device ID list entry */
struct isapnp_device_id {
/** Name */
const char *name;
/** Vendor ID */
uint16_t vendor_id;
/** Product ID */
uint16_t prod_id;
};
/** An ISAPnP device */
struct isapnp_device {
/** Generic device */
struct device dev;
/** Vendor ID */
uint16_t vendor_id;
/** Product ID */
uint16_t prod_id;
/** I/O address */
uint16_t ioaddr;
/** Interrupt number */
uint8_t irqno;
/** Card Select Number */
uint8_t csn;
/** Logical Device ID */
uint8_t logdev;
/** Driver for this device */
struct isapnp_driver *driver;
/** Driver-private data
*
* Use isapnp_set_drvdata() and isapnp_get_drvdata() to access
* this field.
*/
void *priv;
/** Driver name */
const char *driver_name;
};
/** An ISAPnP driver */
struct isapnp_driver {
/** ISAPnP ID table */
struct isapnp_device_id *ids;
/** Number of entries in ISAPnP ID table */
unsigned int id_count;
/**
* Probe device
*
* @v isapnp ISAPnP device
* @v id Matching entry in ID table
* @ret rc Return status code
*/
int ( * probe ) ( struct isapnp_device *isapnp,
const struct isapnp_device_id *id );
/**
* Remove device
*
* @v isapnp ISAPnP device
*/
void ( * remove ) ( struct isapnp_device *isapnp );
};
/** Declare an ISAPnP driver */
#define __isapnp_driver __table ( struct isapnp_driver, isapnp_drivers, 01 )
extern uint16_t isapnp_read_port;
extern void isapnp_device_activation ( struct isapnp_device *isapnp,
int activation );
/**
* Activate ISAPnP device
*
* @v isapnp ISAPnP device
*/
static inline void activate_isapnp_device ( struct isapnp_device *isapnp ) {
isapnp_device_activation ( isapnp, 1 );
}
/**
* Deactivate ISAPnP device
*
* @v isapnp ISAPnP device
*/
static inline void deactivate_isapnp_device ( struct isapnp_device *isapnp ) {
isapnp_device_activation ( isapnp, 0 );
}
/**
* Set ISAPnP driver-private data
*
* @v isapnp ISAPnP device
* @v priv Private data
*/
static inline void isapnp_set_drvdata ( struct isapnp_device *isapnp,
void *priv ) {
isapnp->priv = priv;
}
/**
* Get ISAPnP driver-private data
*
* @v isapnp ISAPnP device
* @ret priv Private data
*/
static inline void * isapnp_get_drvdata ( struct isapnp_device *isapnp ) {
return isapnp->priv;
}
#endif /* ISAPNP_H */

103
src/include/gpxe/mca.h Normal file
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@@ -0,0 +1,103 @@
/*
* MCA bus driver code
*
* Abstracted from 3c509.c.
*
*/
#ifndef MCA_H
#define MCA_H
#include <gpxe/isa_ids.h>
#include <gpxe/device.h>
#include <gpxe/tables.h>
/*
* MCA constants
*
*/
#define MCA_MOTHERBOARD_SETUP_REG 0x94
#define MCA_ADAPTER_SETUP_REG 0x96
#define MCA_MAX_SLOT_NR 0x07 /* Must be 2^n - 1 */
#define MCA_POS_REG(n) (0x100+(n))
/* Is there a standard that would define this? */
#define GENERIC_MCA_VENDOR ISA_VENDOR ( 'M', 'C', 'A' )
/** An MCA device ID list entry */
struct mca_device_id {
/** Name */
const char *name;
/** Device ID */
uint16_t id;
};
/** An MCA device */
struct mca_device {
/** Generic device */
struct device dev;
/** Slot number */
unsigned int slot;
/** POS register values */
unsigned char pos[8];
/** Driver for this device */
struct mca_driver *driver;
/** Driver-private data
*
* Use mca_set_drvdata() and mca_get_drvdata() to access
* this field.
*/
void *priv;
/** Driver name */
const char *driver_name;
};
#define MCA_ID(mca) ( ( (mca)->pos[1] << 8 ) + (mca)->pos[0] )
/** An MCA driver */
struct mca_driver {
/** MCA ID table */
struct mca_device_id *ids;
/** Number of entries in MCA ID table */
unsigned int id_count;
/**
* Probe device
*
* @v mca MCA device
* @v id Matching entry in ID table
* @ret rc Return status code
*/
int ( * probe ) ( struct mca_device *mca,
const struct mca_device_id *id );
/**
* Remove device
*
* @v mca MCA device
*/
void ( * remove ) ( struct mca_device *mca );
};
/** Declare an MCA driver */
#define __mca_driver __table ( struct mca_driver, mca_drivers, 01 )
/**
* Set MCA driver-private data
*
* @v mca MCA device
* @v priv Private data
*/
static inline void mca_set_drvdata ( struct mca_device *mca, void *priv ) {
mca->priv = priv;
}
/**
* Get MCA driver-private data
*
* @v mca MCA device
* @ret priv Private data
*/
static inline void * mca_get_drvdata ( struct mca_device *mca ) {
return mca->priv;
}
#endif