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* grub-core/kern/mips/loongson/init.c: Support halt for loongson 2E.

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Vladimir 'phcoder' Serbinenko committed 2013-04-30 17:37:37 +02:00
1 parent 95ef1a54cf
commit aa7bcb99df
2 files changed
+37
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grub-core/kern/mips/loongson/init.c
+33
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@@ -221,12 +221,45 @@ grub_machine_fini (void)
{
}
static int
halt_via (grub_pci_device_t dev, grub_pci_id_t pciid,
void *data __attribute__ ((unused)))
{
grub_uint16_t pm;
grub_pci_address_t addr;
if (pciid != 0x30571106)
return 0;
addr = grub_pci_make_address (dev, 0x40);
pm = grub_pci_read (addr) & ~1;
if (pm == 0)
{
grub_pci_write (addr, 0x1801);
pm = 0x1800;
}
addr = grub_pci_make_address (dev, 0x80);
grub_pci_write_byte (addr, 0xff);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
grub_pci_write_word (addr, grub_pci_read_word (addr) | GRUB_PCI_COMMAND_IO_ENABLED);
/* FIXME: This one is derived from qemu. Check on real hardware. */
grub_outw (0x2000, pm + 4 + GRUB_MACHINE_PCI_IO_BASE);
grub_millisleep (5000);
return 0;
}
void
grub_halt (void)
{
switch (grub_arch_machine)
{
case GRUB_ARCH_MACHINE_FULOONG2E:
grub_pci_iterate (halt_via, NULL);
break;
case GRUB_ARCH_MACHINE_FULOONG2F:
{