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/*
* Copyright 2005 AMD
* by yinghai.lu@amd.com
*/
#include <arch/io.h>
#include <reset.h>
#define PCI_DEV(BUS, DEV, FN) ( \
(((BUS) & 0xFFF) << 20) | \
(((DEV) & 0x1F) << 15) | \
(((FN) & 0x7) << 12))
typedef unsigned device_t;
static void pci_write_config32(device_t dev, unsigned where, unsigned value)
{
unsigned addr;
addr = (dev>>4) | where;
outl(0x80000000 | (addr & ~3), 0xCF8);
outl(value, 0xCFC);
}
static unsigned pci_read_config32(device_t dev, unsigned where)
{
unsigned addr;
addr = (dev>>4) | where;
outl(0x80000000 | (addr & ~3), 0xCF8);
return inl(0xCFC);
}
#include "../../../northbridge/amd/amdk8/reset_test.c"
void hard_reset(void)
{
set_bios_reset();
/* Try rebooting through port 0xcf9 */
/* Actually it is not a real hard_reset --- it only reset coherent link table, but not reset link freq and width */
outb((0 <<3)|(0<<2)|(1<<1), 0xcf9);
outb((0 <<3)|(1<<2)|(1<<1), 0xcf9);
}
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