#include <stdint.h>
#define NODE_ID		0x60
#define	HT_INIT_CONTROL 0x6c

#define HTIC_ColdR_Detect  (1<<4)
#define HTIC_BIOSR_Detect  (1<<5)
#define HTIC_INIT_Detect   (1<<6)


static int cpu_init_detected(void)
{
	unsigned long htic;
	htic = pci_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL);

	return !!(htic & HTIC_INIT_Detect);
}

static int bios_reset_detected(void)
{
	unsigned long htic;
	htic = pci_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL);

	return (htic & HTIC_ColdR_Detect) && !(htic & HTIC_BIOSR_Detect);
}

static int cold_reset_detected(void)
{
	unsigned long htic;
	htic = pci_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL);

	return !(htic & HTIC_ColdR_Detect);
}

static void distinguish_cpu_resets(unsigned node_id)
{
	uint32_t htic;
	device_t device;
	device = PCI_DEV(0, 0x18 + node_id, 0);
	htic = pci_read_config32(device, HT_INIT_CONTROL);
	htic |= HTIC_ColdR_Detect | HTIC_BIOSR_Detect | HTIC_INIT_Detect;
	pci_write_config32(device, HT_INIT_CONTROL, htic);
}

static void set_bios_reset(void)
{
	unsigned long htic;
	htic = pci_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL);
	htic &= ~HTIC_BIOSR_Detect;
	pci_write_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL, htic);
}