#include <console/console.h>
#include <arch/smp/mpspec.h>
#include <arch/ioapic.h>
#include <device/pci.h>
#include <string.h>
#include <stdint.h>

static void *smp_write_config_table(void *v)
{
	struct mp_config_table *mc;
	int bus_isa;
	unsigned char bus_6300;

	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);

	mptable_init(mc, LAPIC_ADDR);

	smp_write_processors(mc);

	{
		device_t dev;

		/* southbridge */
		dev = dev_find_slot(0, PCI_DEVFN(0x1e,0));
		if (dev) {
			bus_6300 = pci_read_config8(dev, PCI_SECONDARY_BUS);
		}
		else {
			printk(BIOS_DEBUG, "ERROR - could not find PCI 0:1e.0, using defaults\n");
			bus_6300 = 5;
		}
	}

	mptable_write_buses(mc, NULL, &bus_isa);

	/* IOAPIC handling */

	smp_write_ioapic(mc, 2, 0x20, IO_APIC_ADDR);
	smp_write_ioapic(mc, 3, 0x20, IO_APIC_ADDR + 0x10000);

	mptable_add_isa_interrupts(mc, bus_isa, 0x2, 0);

	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		0x00, 0x74, 0x02, 0x10);
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		0x00, 0x77, 0x02, 0x17);
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		0x00, 0x75, 0x02, 0x13);
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		0x00, 0x7c, 0x02, 0x12);
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		0x00, 0x7d, 0x02, 0x11);
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		0x00, 0x7d, 0x02, 0x11);
	/* Slot 1 function 0 */
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		4, 0x04, 0x03, 0x00);
	/* Slot 2 function 0 */
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		4, 0x0c, 0x03, 0x01);
	/* Slot 3 function 0 */
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		bus_6300, 0x20, 0x02, 0x14);
	/* Slot 4 function 0 */
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		bus_6300, 0x08, 0x02, 0x15);
	/* On board NIC */
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
		bus_6300, 0x0c, 0x02, 0x16);

	/* Standard local interrupt assignments */
//	smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
//		bus_isa, 0x00, MP_APIC_ALL, 0x00);
	smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
		bus_isa, 0x00, MP_APIC_ALL, 0x01);

	/* There is no extension information... */

	/* Compute the checksums */
	mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);

	mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);
	printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n",
		mc, smp_next_mpe_entry(mc));
	return smp_next_mpe_entry(mc);
}

unsigned long write_smp_table(unsigned long addr)
{
	void *v;
	v = smp_write_floating_table(addr);
	return (unsigned long)smp_write_config_table(v);
}