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Add functions to read EISA configuration data for MEM, IRQ, DMA, and IO. 

XXX Just error stubs on the i386 right now -- someone needs to write
XXX EISA BIOS code for i386.
This commit is contained in:
thorpej 2000-08-11 00:43:18 +00:00
parent 30f7d691a0
commit e207174eb0
6 changed files with 234 additions and 8 deletions
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127
sys/arch/alpha/eisa/eisa_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: eisa_machdep.c,v 1.2 2000/08/10 23:30:08 thorpej Exp $ */
/* $NetBSD: eisa_machdep.c,v 1.3 2000/08/11 00:43:20 thorpej Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: eisa_machdep.c,v 1.2 2000/08/10 23:30:08 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: eisa_machdep.c,v 1.3 2000/08/11 00:43:20 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -526,3 +526,126 @@ eisa_init()
free(cdata, M_TEMP);
free(data, M_TEMP);
}
static struct ecu_data *
eisa_lookup_data(int slot)
{
struct ecu_data *ecud;
for (ecud = SIMPLEQ_FIRST(&ecu_data_list); ecud != NULL;
ecud = SIMPLEQ_NEXT(ecud, ecud_list)) {
if (ecud->ecud_slot == slot)
return (ecud);
}
return (NULL);
}
static struct ecu_func *
eisa_lookup_func(int slot, int func)
{
struct ecu_data *ecud;
struct ecu_func *ecuf;
ecud = eisa_lookup_data(slot);
if (ecud == NULL)
return (NULL);
for (ecuf = SIMPLEQ_FIRST(&ecud->ecud_funcs); ecuf != NULL;
ecuf = SIMPLEQ_NEXT(ecuf, ecuf_list)) {
if (ecuf->ecuf_funcno == func)
return (ecuf);
}
return (NULL);
}
int
eisa_conf_read_mem(eisa_chipset_tag_t ec, int slot, int func, int entry,
struct eisa_cfg_mem *dp)
{
struct ecu_func *ecuf;
struct ecu_mem *ecum;
ecuf = eisa_lookup_func(slot, func);
if (ecuf == NULL)
return (ENOENT);
for (ecum = SIMPLEQ_FIRST(&ecuf->ecuf_mem); ecum != NULL;
ecum = SIMPLEQ_NEXT(ecum, ecum_list)) {
if (entry-- == 0)
break;
}
if (ecum == NULL)
return (ENOENT);
*dp = ecum->ecum_mem;
return (0);
}
int
eisa_conf_read_irq(eisa_chipset_tag_t ec, int slot, int func, int entry,
struct eisa_cfg_irq *dp)
{
struct ecu_func *ecuf;
struct ecu_irq *ecui;
ecuf = eisa_lookup_func(slot, func);
if (ecuf == NULL)
return (ENOENT);
for (ecui = SIMPLEQ_FIRST(&ecuf->ecuf_irq); ecui != NULL;
ecui = SIMPLEQ_NEXT(ecui, ecui_list)) {
if (entry-- == 0)
break;
}
if (ecui == NULL)
return (ENOENT);
*dp = ecui->ecui_irq;
return (0);
}
int
eisa_conf_read_dma(eisa_chipset_tag_t ec, int slot, int func, int entry,
struct eisa_cfg_dma *dp)
{
struct ecu_func *ecuf;
struct ecu_dma *ecud;
ecuf = eisa_lookup_func(slot, func);
if (ecuf == NULL)
return (ENOENT);
for (ecud = SIMPLEQ_FIRST(&ecuf->ecuf_dma); ecud != NULL;
ecud = SIMPLEQ_NEXT(ecud, ecud_list)) {
if (entry-- == 0)
break;
}
if (ecud == NULL)
return (ENOENT);
*dp = ecud->ecud_dma;
return (0);
}
int
eisa_conf_read_io(eisa_chipset_tag_t ec, int slot, int func, int entry,
struct eisa_cfg_io *dp)
{
struct ecu_func *ecuf;
struct ecu_io *ecuio;
ecuf = eisa_lookup_func(slot, func);
if (ecuf == NULL)
return (ENOENT);
for (ecuio = SIMPLEQ_FIRST(&ecuf->ecuf_io); ecuio != NULL;
ecuio = SIMPLEQ_NEXT(ecuio, ecuio_list)) {
if (entry-- == 0)
break;
}
if (ecuio == NULL)
return (ENOENT);
*dp = ecuio->ecuio_io;
return (0);
}

11
sys/arch/alpha/include/eisa_machdep.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: eisa_machdep.h,v 1.6 2000/07/29 23:18:47 thorpej Exp $ */
/* $NetBSD: eisa_machdep.h,v 1.7 2000/08/11 00:43:20 thorpej Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
@ -65,6 +65,15 @@ struct alpha_eisa_chipset {
#define eisa_intr_disestablish(c, h) \
(*(c)->ec_intr_disestablish)((c)->ec_v, (h))
int eisa_conf_read_mem(eisa_chipset_tag_t, int, int, int,
struct eisa_cfg_mem *);
int eisa_conf_read_irq(eisa_chipset_tag_t, int, int, int,
struct eisa_cfg_irq *);
int eisa_conf_read_dma(eisa_chipset_tag_t, int, int, int,
struct eisa_cfg_dma *);
int eisa_conf_read_io(eisa_chipset_tag_t, int, int, int,
struct eisa_cfg_io *);
/*
* Internal functions, NOT TO BE USED BY MACHINE-INDEPENDENT CODE!
*/

46
sys/arch/i386/eisa/eisa_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: eisa_machdep.c,v 1.11 2000/06/04 19:14:43 cgd Exp $ */
/* $NetBSD: eisa_machdep.c,v 1.12 2000/08/11 00:43:21 thorpej Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@ -229,3 +229,47 @@ eisa_mem_free(t, bah, size)
bus_space_free(t, bah, size);
}
int
eisa_conf_read_mem(ec, slot, func, entry, ecm)
eisa_chipset_tag_t ec;
int slot, func, entry;
struct eisa_cfg_mem *ecm;
{
/* XXX XXX XXX */
return (ENOENT);
}
int
eisa_conf_read_irq(ec, slot, func, entry, eci)
eisa_chipset_tag_t ec;
int slot, func, entry;
struct eisa_cfg_irq *eci;
{
/* XXX XXX XXX */
return (ENOENT);
}
int
eisa_conf_read_dma(ec, slot, func, entry, ecd)
eisa_chipset_tag_t ec;
int slot, func, entry;
struct eisa_cfg_dma *ecd;
{
/* XXX XXX XXX */
return (ENOENT);
}
int
eisa_conf_read_io(ec, slot, func, entry, ecio)
eisa_chipset_tag_t ec;
int slot, func, entry;
struct eisa_cfg_io *ecio;
{
/* XXX XXX XXX */
return (ENOENT);
}

11
sys/arch/i386/include/eisa_machdep.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: eisa_machdep.h,v 1.7 2000/06/04 19:14:44 cgd Exp $ */
/* $NetBSD: eisa_machdep.h,v 1.8 2000/08/11 00:43:21 thorpej Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
@ -67,3 +67,12 @@ int eisa_mem_alloc(bus_space_tag_t, bus_size_t, bus_size_t,
bus_addr_t, int, bus_addr_t *, bus_space_handle_t *);
void eisa_mem_free(bus_space_tag_t, bus_space_handle_t,
bus_size_t);
int eisa_conf_read_mem(eisa_chipset_tag_t, int, int, int,
struct eisa_cfg_mem *);
int eisa_conf_read_irq(eisa_chipset_tag_t, int, int, int,
struct eisa_cfg_irq *);
int eisa_conf_read_dma(eisa_chipset_tag_t, int, int, int,
struct eisa_cfg_dma *);
int eisa_conf_read_io(eisa_chipset_tag_t, int, int, int,
struct eisa_cfg_io *);

40
sys/dev/eisa/eisareg.h
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@ -1,4 +1,40 @@
/* $NetBSD: eisareg.h,v 1.3 1996/04/09 22:46:13 cgd Exp $ */
/* $NetBSD: eisareg.h,v 1.4 2000/08/11 00:43:18 thorpej Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* Copyright (c) 1995, 1996 Christopher G. Demetriou
@ -36,7 +72,7 @@
/*
* Register (etc.) descriptions for the EISA bus.
*
* Mostly culled from EISA chipset descriptions in:
* Intel Peripheral Components Databook (1992)
*/

7
sys/dev/eisa/eisavar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: eisavar.h,v 1.15 2000/08/10 23:30:08 thorpej Exp $ */
/* $NetBSD: eisavar.h,v 1.16 2000/08/11 00:43:19 thorpej Exp $ */
/*
* Copyright (c) 1995, 1996 Christopher G. Demetriou
@ -42,6 +42,11 @@
* separated into eisa_machdep.h.
*/
struct eisa_cfg_mem;
struct eisa_cfg_irq;
struct eisa_cfg_dma;
struct eisa_cfg_io;
#include <machine/bus.h>
#include <dev/eisa/eisareg.h> /* For ID register & string info. */