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Fuloong shutdown support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-01-18 19:39:12 +01:00
parent cfe6539cfe
commit 99388e0cf8
2 changed files with 23 additions and 5 deletions
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22
grub-core/kern/mips/yeeloong/init.c
View file

@ -226,10 +226,28 @@ grub_machine_fini (void)
void
grub_halt (void)
{
switch (grub_arch_machine)
{
case GRUB_ARCH_MACHINE_FULOONG:
{
grub_pci_device_t dev;
grub_port_t p;
if (grub_cs5536_find (&dev))
{
p = (grub_cs5536_read_msr (dev, GRUB_CS5536_MSR_GPIO_BAR)
& GRUB_CS5536_LBAR_ADDR_MASK) + GRUB_MACHINE_PCI_IO_BASE;
grub_outl ((1 << 13), p + 4);
grub_outl ((1 << 29), p);
grub_millisleep (5000);
}
}
break;
case GRUB_ARCH_MACHINE_YEELOONG:
grub_outb (grub_inb (GRUB_CPU_LOONGSON_GPIOCFG)
& ~GRUB_CPU_LOONGSON_SHUTDOWN_GPIO, GRUB_CPU_LOONGSON_GPIOCFG);
& ~GRUB_CPU_YEELOONG_SHUTDOWN_GPIO, GRUB_CPU_LOONGSON_GPIOCFG);
grub_millisleep (1500);
break;
}
grub_printf ("Shutdown failed\n");
grub_refresh ();

2
include/grub/mips/loongson.h
View file

@ -85,6 +85,6 @@
#define GRUB_CPU_LOONGSON_PCI_HIT1_SEL_HI 0xbfe00154
#define GRUB_CPU_LOONGSON_GPIOCFG 0xbfe00120
#define GRUB_CPU_LOONGSON_SHUTDOWN_GPIO 1
#define GRUB_CPU_YEELOONG_SHUTDOWN_GPIO 1
#endif