/* $NetBSD: autoconf.c,v 1.2 2023/12/20 13:55:18 thorpej Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas <
[email protected]>.
*
* 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.
*
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.2 2023/12/20 13:55:18 thorpej Exp $");
#include "opt_md.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/reboot.h>
#include <sys/disklabel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <machine/autoconf.h>
#include <machine/intr.h>
#include <evbarm/iyonix/iyonixvar.h>
#include <acorn32/include/bootconfig.h>
extern struct bootconfig bootconfig;
/*
* Set up the root device from the boot args
*/
void
cpu_rootconf(void)
{
aprint_normal("boot device: %s\n",
booted_device != NULL ? device_xname(booted_device) : "<unknown>");
rootconf();
}
/*
* void cpu_configure()
*
* Configure all the root devices
* The root devices are expected to configure their own children
*/
void
cpu_configure(void)
{
struct mainbus_attach_args maa;
(void) splhigh();
(void) splserial(); /* XXX need an splextreme() */
maa.ma_name = "mainbus";
config_rootfound("mainbus", &maa);
/* Time to start taking interrupts so lets open the flood gates .... */
spl0();
}
#define BUILTIN_ETHERNET_P(pa) \
((pa)->pa_bus == 0 && (pa)->pa_device == 4 && (pa)->pa_function == 0)
#define SETPROP(x, y) \
do { \
if (prop_dictionary_set(device_properties(dev), \
x, y) == false) { \
printf("WARNING: unable to set " x " " \
"property for %s\n", device_xname(dev)); \
} \
prop_object_release(y); \
} while (/*CONSTCOND*/0)
void
device_register(device_t dev, void *aux)
{
device_t pdev;
if ((pdev = device_parent(dev)) != NULL &&
device_is_a(pdev, "pci")) {
struct pci_attach_args *pa = aux;
if (BUILTIN_ETHERNET_P(pa)) {
prop_number_t cfg1, cfg2, swdpin;
prop_data_t mac;
/*
* We set these configuration registers to 0,
* because it's the closest we have to "leave them
* alone". That and, it works.
*/
cfg1 = prop_number_create_integer(0);
KASSERT(cfg1 != NULL);
cfg2 = prop_number_create_integer(0);
KASSERT(cfg2 != NULL);
swdpin = prop_number_create_integer(0);
KASSERT(swdpin != NULL);
mac = prop_data_create_data_nocopy(iyonix_macaddr,
ETHER_ADDR_LEN);
KASSERT(mac != NULL);
SETPROP("mac-address", mac);
SETPROP("i82543-cfg1", cfg1);
SETPROP("i82543-cfg2", cfg2);
SETPROP("i82543-swdpin", swdpin);
}
}
if ((device_is_a(dev, "genfb") || device_is_a(dev, "gffb")) &&
device_is_a(device_parent(dev), "pci") ) {
prop_dictionary_t dict = device_properties(dev);
struct pci_attach_args *pa = aux;
pcireg_t bar0, bar1;
uint32_t fbaddr;
bus_space_handle_t vgah;
bar0 = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_START);
bar1 = pci_conf_read(pa->pa_pc, pa->pa_tag,
PCI_MAPREG_START + 0x04);
/*
* We need to prod the VGA card to disable interrupts, since
* RISC OS has been using them and we don't know how to
* handle them. This assumes that we have a NVidia
* GeForce 2 MX card as supplied with the Iyonix and
* as (probably) required by RISC OS in order to boot.
* If you write your own RISC OS driver for a different card,
* you're on your own.
*/
/* We're guessing at the numbers here, guys */
#define VGASIZE 0x1000
#define IRQENABLE_ADDR 0x140
bus_space_map(pa->pa_memt, PCI_MAPREG_MEM_ADDR(bar0),
VGASIZE, 0, &vgah);
bus_space_write_4(pa->pa_memt, vgah, 0x140, 0);
bus_space_unmap(pa->pa_memt, vgah, 0x1000);
fbaddr = PCI_MAPREG_MEM_ADDR(bar1);
prop_dictionary_set_bool(dict, "is_console", 1);
prop_dictionary_set_uint32(dict, "width",
bootconfig.width + 1);
prop_dictionary_set_uint32(dict, "height",
bootconfig.height + 1);
prop_dictionary_set_uint32(dict, "depth",
1 << bootconfig.log2_bpp);
/*
* XXX
* at least RISC OS 5.28 seems to use the graphics hardware in
* BGR mode when in 32bit colour, so take that into account
*/
if (bootconfig.log2_bpp == 5)
prop_dictionary_set_bool(dict, "is_bgr", 1);
prop_dictionary_set_uint32(dict, "address", fbaddr);
}
if (device_is_a(dev, "dsrtc")) {
prop_dictionary_t dict = device_properties(dev);
prop_dictionary_set_bool(dict, "base_year_is_2000", 1);
}
}
