src/southbridge/nvidia/ck804/ck804_reset.c

   1 /*
   2  * Copyright 2004 Tyan Computer
   3  *  by yhlu@tyan.com
   4  */
   5
   6 #include <arch/io.h>
   7
   8 #define PCI_DEV(BUS, DEV, FN) ( \
   9         (((BUS) & 0xFF) << 16) | \
  10         (((DEV) & 0x1f) << 11) | \
  11         (((FN)  & 0x7) << 8))
  12
  13 typedef unsigned device_t;
  14
  15 static void pci_write_config32(device_t dev, unsigned where, unsigned value)
  16 {
  17         unsigned addr;
  18         addr = dev | where;
  19         outl(0x80000000 | (addr & ~3), 0xCF8);
  20         outl(value, 0xCFC);
  21 }
  22
  23 static unsigned pci_read_config32(device_t dev, unsigned where)
  24 {
  25         unsigned addr;
  26         addr = dev | where;
  27         outl(0x80000000 | (addr & ~3), 0xCF8);
  28         return inl(0xCFC);
  29 }
  30
  31 #include "../../../northbridge/amd/amdk8/reset_test.c"
  32
  33 void hard_reset(void)
  34 {
  35         set_bios_reset();
  36         /* Try rebooting through port 0xcf9 */
  37         outb((0 <<3)|(0<<2)|(1<<1), 0xcf9);
  38         outb((0 <<3)|(1<<2)|(1<<1), 0xcf9);
  39 }
  40