56 строки
974 B
C
56 строки
974 B
C
#include <linux/module.h>
|
|
#include <linux/smp.h>
|
|
#include <linux/delay.h>
|
|
|
|
#include <asm/io.h>
|
|
#include "piix4.h"
|
|
|
|
void (*pm_power_off)(void);
|
|
EXPORT_SYMBOL(pm_power_off);
|
|
|
|
void machine_shutdown(void)
|
|
{
|
|
#ifdef CONFIG_SMP
|
|
smp_send_stop();
|
|
#endif
|
|
}
|
|
|
|
void machine_emergency_restart(void)
|
|
{
|
|
/*
|
|
* Visual Workstations restart after this
|
|
* register is poked on the PIIX4
|
|
*/
|
|
outb(PIIX4_RESET_VAL, PIIX4_RESET_PORT);
|
|
}
|
|
|
|
void machine_restart(char * __unused)
|
|
{
|
|
machine_shutdown();
|
|
machine_emergency_restart();
|
|
}
|
|
|
|
void machine_power_off(void)
|
|
{
|
|
unsigned short pm_status;
|
|
extern unsigned int pci_bus0;
|
|
|
|
while ((pm_status = inw(PMSTS_PORT)) & 0x100)
|
|
outw(pm_status, PMSTS_PORT);
|
|
|
|
outw(PM_SUSPEND_ENABLE, PMCNTRL_PORT);
|
|
|
|
mdelay(10);
|
|
|
|
#define PCI_CONF1_ADDRESS(bus, devfn, reg) \
|
|
(0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3))
|
|
|
|
outl(PCI_CONF1_ADDRESS(pci_bus0, SPECIAL_DEV, SPECIAL_REG), 0xCF8);
|
|
outl(PIIX_SPECIAL_STOP, 0xCFC);
|
|
}
|
|
|
|
void machine_halt(void)
|
|
{
|
|
}
|
|
|