mirror of
https://git.FreeBSD.org/src.git
synced 2025-01-13 14:40:22 +00:00
First try to add support for PCI-PCI bridge chips (written for the
DEC 21050 chip in particular, don't have specs of other such chips). This should add support for Multiple-Ethernet PCI cards (e.g. Znyx 314). Reviewed by: se Submitted by: <wolf@kintaro.cologne.de> Wolfgang Stanglmeier
This commit is contained in:
Stefan Eßer
parent
dff6de1a8c
commit
04dbb40865
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=6767
@ -1,6 +1,6 @@
|
||||
/**************************************************************************
|
||||
**
|
||||
** $Id: pci.c,v 1.15 1995/02/22 14:17:15 se Exp $
|
||||
** $Id: pci.c,v 1.16 1995/02/25 17:26:22 se Exp $
|
||||
**
|
||||
** General subroutines for the PCI bus on 80*86 systems.
|
||||
** pci_configure ()
|
||||
@ -36,7 +36,7 @@
|
||||
***************************************************************************
|
||||
*/
|
||||
|
||||
#define PCI_PATCHLEVEL "pl3 95/02/25"
|
||||
#define PCI_PATCHLEVEL "pl5 95/02/27"
|
||||
|
||||
#include <pci.h>
|
||||
#if NPCI > 0
|
||||
@ -103,6 +103,19 @@ static vm_offset_t pmap_mapdev (vm_offset_t paddr, vm_size_t vsize);
|
||||
**========================================================
|
||||
*/
|
||||
|
||||
/*--------------------------------------------------------
|
||||
**
|
||||
** Limit for pci bus numbers.
|
||||
**
|
||||
**--------------------------------------------------------
|
||||
*/
|
||||
|
||||
#ifndef PCI_MAX_BUS
|
||||
#define PCI_MAX_BUS (256)
|
||||
#endif
|
||||
|
||||
static u_long pci_bus_max = 1;
|
||||
|
||||
/*--------------------------------------------------------
|
||||
**
|
||||
** The pci devices can be mapped to any address.
|
||||
@ -174,16 +187,17 @@ static u_long pci_irq = PCI_IRQ;
|
||||
|
||||
static void not_supported (pcici_t tag, u_long type);
|
||||
|
||||
static unsigned long pci_seen[NPCI];
|
||||
static unsigned long pci_seen[PCI_MAX_BUS];
|
||||
|
||||
static int pci_conf_count;
|
||||
static int pci_info_done;
|
||||
|
||||
void pci_configure()
|
||||
{
|
||||
u_char device,last_device;
|
||||
u_char device,max_device;
|
||||
u_short bus;
|
||||
pcici_t tag;
|
||||
pcidi_t type;
|
||||
pcidi_t type, type8, type16;
|
||||
u_long data;
|
||||
int unit;
|
||||
int pci_mechanism;
|
||||
@ -213,19 +227,24 @@ void pci_configure()
|
||||
|
||||
pci_mechanism = pcibus.pb_mode ();
|
||||
if (!pci_mechanism) return;
|
||||
last_device = pci_mechanism==1 ? 31 : 15;
|
||||
max_device = pci_mechanism==1 ? 32 : 16;
|
||||
|
||||
/*
|
||||
** hello world ..
|
||||
*/
|
||||
|
||||
pci_pold=pci_paddr;
|
||||
for (bus=0;bus<NPCI;bus++) {
|
||||
for (bus=0; bus<pci_bus_max; bus++) {
|
||||
#ifndef PCI_QUIET
|
||||
printf ("%s%d: scanning device 0..%d, mechanism=%d.\n",
|
||||
pcibus.pb_name, bus, last_device, pci_mechanism);
|
||||
printf ("Probing for devices on the %s%d bus:\n",
|
||||
pcibus.pb_name, bus);
|
||||
if (!pci_info_done) {
|
||||
pci_info_done=1;
|
||||
printf ("\tconfiguration mode %d allows %d devices.\n",
|
||||
pci_mechanism, max_device);
|
||||
};
|
||||
#endif
|
||||
for (device=0; device<=last_device; device ++) {
|
||||
for (device=0; device<max_device; device ++) {
|
||||
|
||||
if (pci_seen[bus] & (1ul << device))
|
||||
continue;
|
||||
@ -249,19 +268,23 @@ void pci_configure()
|
||||
/*
|
||||
** check for mirrored devices.
|
||||
*/
|
||||
if (device >= 8) {
|
||||
pcici_t tag0;
|
||||
pcidi_t type0;
|
||||
tag0 = pcibus.pb_tag (bus, device & 0x07, 0);
|
||||
type0 = pcibus.pb_read (tag0, PCI_ID_REG);
|
||||
if (type==type0) {
|
||||
if (device & 0x08) {
|
||||
pcici_t mtag;
|
||||
mtag = pcibus.pb_tag (bus, device & ~0x08, 0);
|
||||
type8 = pcibus.pb_read (mtag, PCI_ID_REG);
|
||||
} else type8 = 0;
|
||||
if (device & 0x10) {
|
||||
pcici_t mtag;
|
||||
mtag = pcibus.pb_tag (bus, device & ~0x10, 0);
|
||||
type16 = pcibus.pb_read (mtag, PCI_ID_REG);
|
||||
} else type16 = 0;
|
||||
if ((type==type8) || (type==type16)) {
|
||||
#ifndef PCI_QUIET
|
||||
if (dvp==NULL) continue;
|
||||
printf ("%s? <%s> mirrored on pci%d:%d\n",
|
||||
dvp->pd_name, name, bus, device);
|
||||
if (dvp==NULL) continue;
|
||||
printf ("%s? <%s> mirrored on pci%d:%d\n",
|
||||
dvp->pd_name, name, bus, device);
|
||||
#endif
|
||||
continue;
|
||||
};
|
||||
continue;
|
||||
};
|
||||
|
||||
if (dvp==NULL) {
|
||||
@ -699,7 +722,7 @@ int pci_map_mem (pcici_t tag, u_long reg, vm_offset_t* va, vm_offset_t* pa)
|
||||
break;
|
||||
};
|
||||
|
||||
if (data==0xffffffff) {
|
||||
if ((data==0xffffffff) && !oldmap) {
|
||||
printf ("\t(possible mapping problem: "
|
||||
"at 0x%x read 0xffffffff)\n",
|
||||
(unsigned) paddr);
|
||||
@ -717,6 +740,38 @@ int pci_map_mem (pcici_t tag, u_long reg, vm_offset_t* va, vm_offset_t* pa)
|
||||
return (1);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
**
|
||||
** Map new pci bus. (XXX under construction)
|
||||
**
|
||||
** PCI-Specification: ____________?
|
||||
**
|
||||
**-----------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
int pci_map_bus (pcici_t tag, u_long bus)
|
||||
{
|
||||
if (bus >= PCI_MAX_BUS) {
|
||||
printf ("pci_map_bus failed: bus number %d too big.\n",
|
||||
(int) bus);
|
||||
return (0);
|
||||
};
|
||||
|
||||
if (bus >= pci_bus_max)
|
||||
pci_bus_max = bus + 1;
|
||||
|
||||
#ifndef PCI_QUIET
|
||||
/*
|
||||
** display values.
|
||||
*/
|
||||
|
||||
printf ("\tmapped pci bus %d.\n",
|
||||
(int) bus);
|
||||
#endif
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
/*------------------------------------------------------------
|
||||
**
|
||||
** Interface functions for the devconf module.
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
/**************************************************************************
|
||||
**
|
||||
** $Id: pcireg.h,v 1.2 1994/11/02 23:47:14 se Exp $
|
||||
** $Id: pcivar.h,v 1.1 1995/02/01 22:56:55 se Exp $
|
||||
**
|
||||
** Declarations for pci device drivers.
|
||||
**
|
||||
@ -37,6 +37,8 @@
|
||||
|
||||
#ifndef __PCI_VAR_H__
|
||||
#define __PCI_VAR_H__
|
||||
|
||||
#define PCIVAR_H_PATCHLEVEL "pl1 95/02/27"
|
||||
|
||||
/*-----------------------------------------------------------------
|
||||
**
|
||||
@ -160,6 +162,16 @@ struct pci_externalize_buffer {
|
||||
};
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------
|
||||
**
|
||||
** Register an additional pci bus for probing.
|
||||
** Called by pci-pci bridge handlers.
|
||||
**
|
||||
**-----------------------------------------------------------------
|
||||
*/
|
||||
|
||||
int pci_map_bus (pcici_t tag, u_long bus);
|
||||
|
||||
/*-----------------------------------------------------------------
|
||||
**
|
||||
** Map a pci device to physical and virtual memory.
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
/**************************************************************************
|
||||
**
|
||||
** $Id: pci.c,v 1.15 1995/02/22 14:17:15 se Exp $
|
||||
** $Id: pci.c,v 1.16 1995/02/25 17:26:22 se Exp $
|
||||
**
|
||||
** General subroutines for the PCI bus on 80*86 systems.
|
||||
** pci_configure ()
|
||||
@ -36,7 +36,7 @@
|
||||
***************************************************************************
|
||||
*/
|
||||
|
||||
#define PCI_PATCHLEVEL "pl3 95/02/25"
|
||||
#define PCI_PATCHLEVEL "pl5 95/02/27"
|
||||
|
||||
#include <pci.h>
|
||||
#if NPCI > 0
|
||||
@ -103,6 +103,19 @@ static vm_offset_t pmap_mapdev (vm_offset_t paddr, vm_size_t vsize);
|
||||
**========================================================
|
||||
*/
|
||||
|
||||
/*--------------------------------------------------------
|
||||
**
|
||||
** Limit for pci bus numbers.
|
||||
**
|
||||
**--------------------------------------------------------
|
||||
*/
|
||||
|
||||
#ifndef PCI_MAX_BUS
|
||||
#define PCI_MAX_BUS (256)
|
||||
#endif
|
||||
|
||||
static u_long pci_bus_max = 1;
|
||||
|
||||
/*--------------------------------------------------------
|
||||
**
|
||||
** The pci devices can be mapped to any address.
|
||||
@ -174,16 +187,17 @@ static u_long pci_irq = PCI_IRQ;
|
||||
|
||||
static void not_supported (pcici_t tag, u_long type);
|
||||
|
||||
static unsigned long pci_seen[NPCI];
|
||||
static unsigned long pci_seen[PCI_MAX_BUS];
|
||||
|
||||
static int pci_conf_count;
|
||||
static int pci_info_done;
|
||||
|
||||
void pci_configure()
|
||||
{
|
||||
u_char device,last_device;
|
||||
u_char device,max_device;
|
||||
u_short bus;
|
||||
pcici_t tag;
|
||||
pcidi_t type;
|
||||
pcidi_t type, type8, type16;
|
||||
u_long data;
|
||||
int unit;
|
||||
int pci_mechanism;
|
||||
@ -213,19 +227,24 @@ void pci_configure()
|
||||
|
||||
pci_mechanism = pcibus.pb_mode ();
|
||||
if (!pci_mechanism) return;
|
||||
last_device = pci_mechanism==1 ? 31 : 15;
|
||||
max_device = pci_mechanism==1 ? 32 : 16;
|
||||
|
||||
/*
|
||||
** hello world ..
|
||||
*/
|
||||
|
||||
pci_pold=pci_paddr;
|
||||
for (bus=0;bus<NPCI;bus++) {
|
||||
for (bus=0; bus<pci_bus_max; bus++) {
|
||||
#ifndef PCI_QUIET
|
||||
printf ("%s%d: scanning device 0..%d, mechanism=%d.\n",
|
||||
pcibus.pb_name, bus, last_device, pci_mechanism);
|
||||
printf ("Probing for devices on the %s%d bus:\n",
|
||||
pcibus.pb_name, bus);
|
||||
if (!pci_info_done) {
|
||||
pci_info_done=1;
|
||||
printf ("\tconfiguration mode %d allows %d devices.\n",
|
||||
pci_mechanism, max_device);
|
||||
};
|
||||
#endif
|
||||
for (device=0; device<=last_device; device ++) {
|
||||
for (device=0; device<max_device; device ++) {
|
||||
|
||||
if (pci_seen[bus] & (1ul << device))
|
||||
continue;
|
||||
@ -249,19 +268,23 @@ void pci_configure()
|
||||
/*
|
||||
** check for mirrored devices.
|
||||
*/
|
||||
if (device >= 8) {
|
||||
pcici_t tag0;
|
||||
pcidi_t type0;
|
||||
tag0 = pcibus.pb_tag (bus, device & 0x07, 0);
|
||||
type0 = pcibus.pb_read (tag0, PCI_ID_REG);
|
||||
if (type==type0) {
|
||||
if (device & 0x08) {
|
||||
pcici_t mtag;
|
||||
mtag = pcibus.pb_tag (bus, device & ~0x08, 0);
|
||||
type8 = pcibus.pb_read (mtag, PCI_ID_REG);
|
||||
} else type8 = 0;
|
||||
if (device & 0x10) {
|
||||
pcici_t mtag;
|
||||
mtag = pcibus.pb_tag (bus, device & ~0x10, 0);
|
||||
type16 = pcibus.pb_read (mtag, PCI_ID_REG);
|
||||
} else type16 = 0;
|
||||
if ((type==type8) || (type==type16)) {
|
||||
#ifndef PCI_QUIET
|
||||
if (dvp==NULL) continue;
|
||||
printf ("%s? <%s> mirrored on pci%d:%d\n",
|
||||
dvp->pd_name, name, bus, device);
|
||||
if (dvp==NULL) continue;
|
||||
printf ("%s? <%s> mirrored on pci%d:%d\n",
|
||||
dvp->pd_name, name, bus, device);
|
||||
#endif
|
||||
continue;
|
||||
};
|
||||
continue;
|
||||
};
|
||||
|
||||
if (dvp==NULL) {
|
||||
@ -699,7 +722,7 @@ int pci_map_mem (pcici_t tag, u_long reg, vm_offset_t* va, vm_offset_t* pa)
|
||||
break;
|
||||
};
|
||||
|
||||
if (data==0xffffffff) {
|
||||
if ((data==0xffffffff) && !oldmap) {
|
||||
printf ("\t(possible mapping problem: "
|
||||
"at 0x%x read 0xffffffff)\n",
|
||||
(unsigned) paddr);
|
||||
@ -717,6 +740,38 @@ int pci_map_mem (pcici_t tag, u_long reg, vm_offset_t* va, vm_offset_t* pa)
|
||||
return (1);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
**
|
||||
** Map new pci bus. (XXX under construction)
|
||||
**
|
||||
** PCI-Specification: ____________?
|
||||
**
|
||||
**-----------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
int pci_map_bus (pcici_t tag, u_long bus)
|
||||
{
|
||||
if (bus >= PCI_MAX_BUS) {
|
||||
printf ("pci_map_bus failed: bus number %d too big.\n",
|
||||
(int) bus);
|
||||
return (0);
|
||||
};
|
||||
|
||||
if (bus >= pci_bus_max)
|
||||
pci_bus_max = bus + 1;
|
||||
|
||||
#ifndef PCI_QUIET
|
||||
/*
|
||||
** display values.
|
||||
*/
|
||||
|
||||
printf ("\tmapped pci bus %d.\n",
|
||||
(int) bus);
|
||||
#endif
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
/*------------------------------------------------------------
|
||||
**
|
||||
** Interface functions for the devconf module.
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
/**************************************************************************
|
||||
**
|
||||
** $Id: pcireg.h,v 1.2 1994/11/02 23:47:14 se Exp $
|
||||
** $Id: pcivar.h,v 1.1 1995/02/01 22:56:55 se Exp $
|
||||
**
|
||||
** Declarations for pci device drivers.
|
||||
**
|
||||
@ -37,6 +37,8 @@
|
||||
|
||||
#ifndef __PCI_VAR_H__
|
||||
#define __PCI_VAR_H__
|
||||
|
||||
#define PCIVAR_H_PATCHLEVEL "pl1 95/02/27"
|
||||
|
||||
/*-----------------------------------------------------------------
|
||||
**
|
||||
@ -160,6 +162,16 @@ struct pci_externalize_buffer {
|
||||
};
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------
|
||||
**
|
||||
** Register an additional pci bus for probing.
|
||||
** Called by pci-pci bridge handlers.
|
||||
**
|
||||
**-----------------------------------------------------------------
|
||||
*/
|
||||
|
||||
int pci_map_bus (pcici_t tag, u_long bus);
|
||||
|
||||
/*-----------------------------------------------------------------
|
||||
**
|
||||
** Map a pci device to physical and virtual memory.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user