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add utils to reboot/shutdown by ACPI

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This commit is contained in:
Li-Ta Lo 2000-12-12 04:12:23 +00:00
parent 651393b2e0
commit b3b5a38f5f
3 changed files with 133 additions and 1 deletions
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5
util/sis/Makefile
View file

@ -4,5 +4,8 @@ CC = gcc -O2
all: ${OBJS}
${CC} -o flash_rom flash_rom.c ${OBJS}
${CC} -o flash_on flash_on.c
${CC} -o acpi_reset acpi_reset.c
${CC} -o acpi_shutdown acpi_shutdown.c
clean:
rm -f flash_rom flash_on *.o *~
rm -f flash_rom flash_on acpi_reset acpi_shutdown *.o *~

64
util/sis/acpi_reset.c Normal file
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@ -0,0 +1,64 @@
/*
* acpi_reset.c: Reboot your LinuxBIOS system with ACPI software watchdo
*
*
* Copyright 2000 Silicon Integrated System Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
* Reference:
* 1. SiS 630 Specification
*
* $Id$
*/
#include <errno.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/io.h>
#include <unistd.h>
#include <stdio.h>
main()
{
unsigned char b;
unsigned short w;
unsigned short acpi_base;
/* get io privilege access PCI configuration space */
if (iopl(3) != 0) {
perror("Can not set io priviliage");
exit(1);
}
/* Enable ACPI by set B7 on Reg 0x40, LPC */
outl(0x80000840, 0x0cf8);
b = inb(0x0cfc) | 0x80;
outb(b, 0xcfc);
/* get the ACPI base address for register 0x74,0x75 of LPC */
outl(0x80000874, 0x0cf8);
w = inw(0x0cfc);
acpi_base = w;
printf ("acpi base: %x\n", acpi_base);
/* Set software watchdog timer init value */
outb(0x03, 0x4a + acpi_base);
/* Software watchdog enable, issue PCIRST# when time expire */
outb(0x8f, 0x4b + acpi_base);
}

65
util/sis/acpi_shutdown.c Normal file
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@ -0,0 +1,65 @@
/*
* acpi_shutdown.c: Shutdown your LinuxBIOS system by switch to ACPI S5 state
*
*
* Copyright 2000 Silicon Integrated System Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
* Reference:
* 1. SiS 630 Specification
*
* $Id$
*/
#include <errno.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/io.h>
#include <unistd.h>
#include <stdio.h>
main()
{
unsigned char b;
unsigned short w;
unsigned short acpi_base;
/* get io privilege access PCI configuration space */
if (iopl(3) != 0) {
perror("Can not set io priviliage");
exit(1);
}
/* Enable ACPI by set B7 on Reg 0x40, LPC */
outl(0x80000840, 0x0cf8);
b = inb(0x0cfc) | 0x80;
outb(b, 0xcfc);
/* get the ACPI base address for register 0x74,0x75 of LPC */
outl(0x80000874, 0x0cf8);
w = inw(0x0cfc);
acpi_base = w;
printf ("acpi base: %x\n", acpi_base);
/* ACPI Register 5, Bit 10-12, Sleeping Type,
set to 101 -> S5, soft_off */
outb(0x14, 0x05 + acpi_base);
/* ACPI Register 5, Bit 13, Sleep Enable */
outb(0x20 | 0x14, 0x05 + acpi_base);
}