Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
|
|
|
#ifndef PCI_COMPAT
|
|
|
|
|
#define PCI_COMPAT
|
|
|
|
|
#endif
|
1994-10-12 02:25:03 +00:00
|
|
|
/*
|
Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
|
|
|
* Copyright (c) 1997, Stefan Esser <se@freebsd.org>
|
|
|
|
|
* 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 unmodified, 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.
|
|
|
|
|
*
|
|
|
|
|
* 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.
|
|
|
|
|
*
|
1999-08-28 01:08:13 +00:00
|
|
|
* $FreeBSD$
|
Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
|
|
|
*
|
|
|
|
|
*/
|
1994-10-12 02:25:03 +00:00
|
|
|
|
|
|
|
|
/*
|
Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
|
|
|
* PCIM_xxx: mask to locate subfield in register
|
|
|
|
|
* PCIR_xxx: config register offset
|
|
|
|
|
* PCIC_xxx: device class
|
|
|
|
|
* PCIS_xxx: device subclass
|
|
|
|
|
* PCIP_xxx: device programming interface
|
|
|
|
|
* PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
|
|
|
|
|
* PCID_xxx: device ID
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/* some PCI bus constants */
|
|
|
|
|
|
|
|
|
|
#define PCI_BUSMAX 255
|
|
|
|
|
#define PCI_SLOTMAX 31
|
|
|
|
|
#define PCI_FUNCMAX 7
|
|
|
|
|
#define PCI_REGMAX 255
|
|
|
|
|
|
|
|
|
|
/* PCI config header registers for all devices */
|
|
|
|
|
|
|
|
|
|
#define PCIR_DEVVENDOR 0x00
|
|
|
|
|
#define PCIR_VENDOR 0x00
|
|
|
|
|
#define PCIR_DEVICE 0x02
|
|
|
|
|
#define PCIR_COMMAND 0x04
|
1997-05-28 11:15:18 +00:00
|
|
|
#define PCIM_CMD_PORTEN 0x0001
|
|
|
|
|
#define PCIM_CMD_MEMEN 0x0002
|
|
|
|
|
#define PCIM_CMD_BUSMASTEREN 0x0004
|
1998-10-07 03:40:51 +00:00
|
|
|
#define PCIM_CMD_PERRESPEN 0x0040
|
Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
|
|
|
#define PCIR_STATUS 0x06
|
|
|
|
|
#define PCIR_REVID 0x08
|
|
|
|
|
#define PCIR_PROGIF 0x09
|
|
|
|
|
#define PCIR_SUBCLASS 0x0a
|
|
|
|
|
#define PCIR_CLASS 0x0b
|
|
|
|
|
#define PCIR_CACHELNSZ 0x0c
|
|
|
|
|
#define PCIR_LATTIMER 0x0d
|
|
|
|
|
#define PCIR_HEADERTYPE 0x0e
|
|
|
|
|
#define PCIM_MFDEV 0x80
|
|
|
|
|
#define PCIR_BIST 0x0f
|
|
|
|
|
|
|
|
|
|
/* config registers for header type 0 devices */
|
|
|
|
|
|
|
|
|
|
#define PCIR_MAPS 0x10
|
|
|
|
|
#define PCIR_CARDBUSCIS 0x28
|
|
|
|
|
#define PCIR_SUBVEND_0 0x2c
|
|
|
|
|
#define PCIR_SUBDEV_0 0x2e
|
|
|
|
|
#define PCIR_INTLINE 0x3c
|
|
|
|
|
#define PCIR_INTPIN 0x3d
|
|
|
|
|
#define PCIR_MINGNT 0x3e
|
|
|
|
|
#define PCIR_MAXLAT 0x3f
|
|
|
|
|
|
|
|
|
|
/* config registers for header type 1 devices */
|
|
|
|
|
|
|
|
|
|
#define PCIR_SECSTAT_1 0 /**/
|
|
|
|
|
|
|
|
|
|
#define PCIR_PRIBUS_1 0x18
|
|
|
|
|
#define PCIR_SECBUS_1 0x19
|
|
|
|
|
#define PCIR_SUBBUS_1 0x1a
|
|
|
|
|
#define PCIR_SECLAT_1 0x1b
|
|
|
|
|
|
|
|
|
|
#define PCIR_IOBASEL_1 0x1c
|
|
|
|
|
#define PCIR_IOLIMITL_1 0x1d
|
|
|
|
|
#define PCIR_IOBASEH_1 0 /**/
|
|
|
|
|
#define PCIR_IOLIMITH_1 0 /**/
|
|
|
|
|
|
|
|
|
|
#define PCIR_MEMBASE_1 0x20
|
|
|
|
|
#define PCIR_MEMLIMIT_1 0x22
|
|
|
|
|
|
|
|
|
|
#define PCIR_PMBASEL_1 0x24
|
|
|
|
|
#define PCIR_PMLIMITL_1 0x26
|
|
|
|
|
#define PCIR_PMBASEH_1 0 /**/
|
|
|
|
|
#define PCIR_PMLIMITH_1 0 /**/
|
|
|
|
|
|
|
|
|
|
#define PCIR_BRIDGECTL_1 0 /**/
|
|
|
|
|
|
|
|
|
|
#define PCIR_SUBVEND_1 0x34
|
|
|
|
|
#define PCIR_SUBDEV_1 0x36
|
|
|
|
|
|
|
|
|
|
/* config registers for header type 2 devices */
|
|
|
|
|
|
|
|
|
|
#define PCIR_SECSTAT_2 0x16
|
|
|
|
|
|
|
|
|
|
#define PCIR_PRIBUS_2 0x18
|
|
|
|
|
#define PCIR_SECBUS_2 0x19
|
|
|
|
|
#define PCIR_SUBBUS_2 0x1a
|
|
|
|
|
#define PCIR_SECLAT_2 0x1b
|
|
|
|
|
|
|
|
|
|
#define PCIR_MEMBASE0_2 0x1c
|
|
|
|
|
#define PCIR_MEMLIMIT0_2 0x20
|
|
|
|
|
#define PCIR_MEMBASE1_2 0x24
|
|
|
|
|
#define PCIR_MEMLIMIT1_2 0x28
|
|
|
|
|
#define PCIR_IOBASE0_2 0x2c
|
|
|
|
|
#define PCIR_IOLIMIT0_2 0x30
|
|
|
|
|
#define PCIR_IOBASE1_2 0x34
|
|
|
|
|
#define PCIR_IOLIMIT1_2 0x38
|
|
|
|
|
|
|
|
|
|
#define PCIR_BRIDGECTL_2 0x3e
|
|
|
|
|
|
|
|
|
|
#define PCIR_SUBVEND_2 0x40
|
|
|
|
|
#define PCIR_SUBDEV_2 0x42
|
|
|
|
|
|
|
|
|
|
#define PCIR_PCCARDIF_2 0x44
|
|
|
|
|
|
|
|
|
|
/* PCI device class, subclass and programming interface definitions */
|
|
|
|
|
|
|
|
|
|
#define PCIC_OLD 0x00
|
|
|
|
|
#define PCIS_OLD_NONVGA 0x00
|
|
|
|
|
#define PCIS_OLD_VGA 0x01
|
|
|
|
|
|
|
|
|
|
#define PCIC_STORAGE 0x01
|
|
|
|
|
#define PCIS_STORAGE_SCSI 0x00
|
|
|
|
|
#define PCIS_STORAGE_IDE 0x01
|
|
|
|
|
#define PCIP_STORAGE_IDE_MODEPRIM 0x01
|
|
|
|
|
#define PCIP_STORAGE_IDE_PROGINDPRIM 0x02
|
|
|
|
|
#define PCIP_STORAGE_IDE_MODESEC 0x04
|
|
|
|
|
#define PCIP_STORAGE_IDE_PROGINDSEC 0x08
|
|
|
|
|
#define PCIP_STORAGE_IDE_MASTERDEV 0x80
|
|
|
|
|
#define PCIS_STORAGE_FLOPPY 0x02
|
|
|
|
|
#define PCIS_STORAGE_IPI 0x03
|
|
|
|
|
#define PCIS_STORAGE_RAID 0x04
|
|
|
|
|
#define PCIS_STORAGE_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_NETWORK 0x02
|
|
|
|
|
#define PCIS_NETWORK_ETHERNET 0x00
|
|
|
|
|
#define PCIS_NETWORK_TOKENRING 0x01
|
|
|
|
|
#define PCIS_NETWORK_FDDI 0x02
|
|
|
|
|
#define PCIS_NETWORK_ATM 0x03
|
|
|
|
|
#define PCIS_NETWORK_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_DISPLAY 0x03
|
|
|
|
|
#define PCIS_DISPLAY_VGA 0x00
|
|
|
|
|
#define PCIS_DISPLAY_XGA 0x01
|
|
|
|
|
#define PCIS_DISPLAY_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_MULTIMEDIA 0x04
|
|
|
|
|
#define PCIS_MULTIMEDIA_VIDEO 0x00
|
|
|
|
|
#define PCIS_MULTIMEDIA_AUDIO 0x01
|
|
|
|
|
#define PCIS_MULTIMEDIA_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_MEMORY 0x05
|
|
|
|
|
#define PCIS_MEMORY_RAM 0x00
|
|
|
|
|
#define PCIS_MEMORY_FLASH 0x01
|
|
|
|
|
#define PCIS_MEMORY_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_BRIDGE 0x06
|
1999-04-16 21:22:55 +00:00
|
|
|
#define PCIS_BRIDGE_HOST 0x00
|
Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
|
|
|
#define PCIS_BRIDGE_ISA 0x01
|
|
|
|
|
#define PCIS_BRIDGE_EISA 0x02
|
|
|
|
|
#define PCIS_BRIDGE_MCA 0x03
|
|
|
|
|
#define PCIS_BRIDGE_PCI 0x04
|
|
|
|
|
#define PCIS_BRIDGE_PCMCIA 0x05
|
|
|
|
|
#define PCIS_BRIDGE_NUBUS 0x06
|
|
|
|
|
#define PCIS_BRIDGE_CARDBUS 0x07
|
|
|
|
|
#define PCIS_BRIDGE_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_SIMPLECOMM 0x07
|
|
|
|
|
#define PCIS_SIMPLECOMM_UART 0x00
|
|
|
|
|
#define PCIS_SIMPLECOMM_PAR 0x01
|
|
|
|
|
#define PCIS_SIMPLECOMM_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_BASEPERIPH 0x08
|
|
|
|
|
#define PCIS_BASEPERIPH_PIC 0x00
|
|
|
|
|
#define PCIS_BASEPERIPH_DMA 0x01
|
|
|
|
|
#define PCIS_BASEPERIPH_TIMER 0x02
|
|
|
|
|
#define PCIS_BASEPERIPH_RTC 0x03
|
|
|
|
|
#define PCIS_BASEPERIPH_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_INPUTDEV 0x09
|
|
|
|
|
#define PCIS_INPUTDEV_KEYBOARD 0x00
|
|
|
|
|
#define PCIS_INPUTDEV_DIGITIZER 0x01
|
|
|
|
|
#define PCIS_INPUTDEV_MOUSE 0x02
|
|
|
|
|
#define PCIS_INPUTDEV_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_DOCKING 0x0a
|
|
|
|
|
#define PCIS_DOCKING_GENERIC 0x00
|
|
|
|
|
#define PCIS_DOCKING_OTHER 0x80
|
|
|
|
|
|
|
|
|
|
#define PCIC_PROCESSOR 0x0b
|
|
|
|
|
#define PCIS_PROCESSOR_386 0x00
|
|
|
|
|
#define PCIS_PROCESSOR_486 0x01
|
|
|
|
|
#define PCIS_PROCESSOR_PENTIUM 0x02
|
|
|
|
|
#define PCIS_PROCESSOR_ALPHA 0x10
|
|
|
|
|
#define PCIS_PROCESSOR_POWERPC 0x20
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#define PCIS_PROCESSOR_COPROC 0x40
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#define PCIC_SERIALBUS 0x0c
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#define PCIS_SERIALBUS_FW 0x00
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#define PCIS_SERIALBUS_ACCESS 0x01
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#define PCIS_SERIALBUS_SSA 0x02
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#define PCIS_SERIALBUS_USB 0x03
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#define PCIS_SERIALBUS_FC 0x04
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#define PCIS_SERIALBUS
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#define PCIS_SERIALBUS
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#define PCIC_OTHER 0xff
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/* some PCI vendor definitions (only used to identify ancient devices !!! */
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#define PCIV_INTEL 0x8086
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#define PCID_INTEL_SATURN 0x0483
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#define PCID_INTEL_ORION 0x84c4
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/* for compatibility to FreeBSD-2.2 version of PCI code */
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#ifdef PCI_COMPAT
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#define PCI_ID_REG 0x00
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#define PCI_COMMAND_STATUS_REG 0x04
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1994-10-12 02:25:03 +00:00
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#define PCI_COMMAND_IO_ENABLE 0x00000001
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1997-05-28 20:37:19 +00:00
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#define PCI_COMMAND_MEM_ENABLE 0x00000002
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Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
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#define PCI_CLASS_REG 0x08
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#define PCI_CLASS_MASK 0xff000000
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#define PCI_SUBCLASS_MASK 0x00ff0000
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1997-09-20 07:41:58 +00:00
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#define PCI_REVISION_MASK 0x000000ff
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Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
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#define PCI_CLASS_PREHISTORIC 0x00000000
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#define PCI_SUBCLASS_PREHISTORIC_VGA 0x00010000
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1997-06-01 16:00:43 +00:00
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#define PCI_CLASS_MASS_STORAGE 0x01000000
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Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
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#define PCI_CLASS_DISPLAY 0x03000000
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#define PCI_SUBCLASS_DISPLAY_VGA 0x00000000
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#define PCI_CLASS_BRIDGE 0x06000000
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#define PCI_MAP_REG_START 0x10
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#define PCI_MAP_REG_END 0x28
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1994-10-12 02:25:03 +00:00
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#define PCI_MAP_IO 0x00000001
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Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
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#define PCI_INTERRUPT_REG 0x3c
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1994-10-12 02:25:03 +00:00
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Completely replace the PCI bus driver code to make it better reflect
reality. There will be a new call interface, but for now the file
pci_compat.c (which is to be deleted, after all drivers are converted)
provides an emulation of the old PCI bus driver functions. The only
change that might be visible to drivers is, that the type pcici_t
(which had been meant to be just a handle, whose exact definition
should not be relied on), has been converted into a pcicfgregs* .
The Tekram AMD SCSI driver bogusly relied on the definition of pcici_t
and has been converted to just call the PCI drivers functions to access
configuration space register, instead of inventing its own ...
This code is by no means complete, but assumed to be fully operational,
and brings the official code base more in line with my development code.
A new generic device descriptor data type has to be agreed on. The PCI
code will then use that data type to provide new functionality:
1) userconfig support
2) "wired" PCI devices
3) conflicts checking against ISA/EISA
4) maps will depend on the command register enable bits
5) PCI to Anything bridges can be defined as devices,
and are probed like any "standard" PCI device.
The following features are currently missing, but will be added back,
soon:
1) unknown device probe message
2) suppression of "mirrored" devices caused by ancient, broken chip-sets
This code relies on generic shared interrupt support just commited to
kern_intr.c (plus the modifications of isa.c and isa_device.h).
1997-05-26 15:08:43 +00:00
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#endif /* PCI_COMPAT */
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