NetBSD/sys/arch/i386/xbox/xbox.c
2008-05-05 00:12:49 +00:00

123 lines
3.3 KiB
C

/* $NetBSD: xbox.c,v 1.4 2008/05/05 00:18:50 jmcneill Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
* 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, 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.
*/
/*
* Microsoft XBOX helper functions
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: xbox.c,v 1.4 2008/05/05 00:18:50 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <arch/i386/include/xbox.h>
#include "pic16lc.h"
#if NPIC16LC > 0
extern void pic16lc_setled(uint8_t);
extern void pic16lc_reboot(void);
extern void pic16lc_poweroff(void);
#endif
#define XBOX_NFORCE_NIC 0xfef00000
void
xbox_startup(void)
{
bus_space_handle_t h;
int rv;
if (!arch_i386_is_xbox)
return;
/*
* From Rink Springer @ FreeBSD:
*
* Some XBOX loaders, such as Cromwell, have a flaw which cause the
* nfe(4) driver to fail attaching to the NIC.
*
* This is because they leave the NIC running; this will cause the
* Nvidia driver to fail as the NIC does not return any sensible
* values and thus fails attaching (using an error 0x5, this means
* it cannot find a valid PHY)
*
* We bluntly tell the NIC to stop whatever it's doing; this makes
* nfe(4) attach correctly. As the NIC always resides at
* 0xfef00000-0xfef003ff on an XBOX, we simply hardcode this address.
*/
rv = bus_space_map(X86_BUS_SPACE_MEM, XBOX_NFORCE_NIC,
0x400, 0, &h);
if (!rv) {
bus_space_write_4(X86_BUS_SPACE_MEM, h, 0x188, 0);
bus_space_unmap(X86_BUS_SPACE_MEM, h, 0x400);
}
}
void
xbox_setled(uint8_t val)
{
#if NPIC16LC > 0
pic16lc_setled(val);
#else
printf("xbox_setled: pic16lc driver missing from kernel!\n");
#endif
}
void
xbox_reboot(void)
{
#if NPIC16LC > 0
pic16lc_reboot();
#else
printf("xbox_reboot: pic16lc driver missing from kernel!\n");
printf("xbox_reboot: halting...\n");
for (;;)
;
#endif
}
void
xbox_poweroff(void)
{
#if NPIC16LC > 0
pic16lc_poweroff();
#else
printf("xbox_poweroff: pic16lc driver missing from kernel!\n");
printf("xbox_poweroff: halting...\n");
for (;;)
;
#endif
}