src/mainboard/tyan/s2882/mptable.c

#include <console/console.h>
#include <arch/smp/mpspec.h>
#include <arch/ioapic.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <string.h>
#include <stdint.h>
#if CONFIG_LOGICAL_CPUS==1
#include <cpu/amd/multicore.h>
#endif

static unsigned node_link_to_bus(unsigned node, unsigned link)
{
        device_t dev;
        unsigned reg;

        dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
        if (!dev) {
                return 0;
        }
        for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
                uint32_t config_map;
                unsigned dst_node;
                unsigned dst_link;
                unsigned bus_base;
                config_map = pci_read_config32(dev, reg);
                if ((config_map & 3) != 3) {
                        continue;
                }
                dst_node = (config_map >> 4) & 7;
                dst_link = (config_map >> 8) & 3;
                bus_base = (config_map >> 16) & 0xff;
#if 0
                printk(BIOS_DEBUG, "node.link=bus: %d.%d=%d 0x%2x->0x%08x\n",
                        dst_node, dst_link, bus_base,
                        reg, config_map);
#endif
                if ((dst_node == node) && (dst_link == link))
                {
                        return bus_base;
                }
        }
        return 0;
}

static void *smp_write_config_table(void *v)
{
        struct mp_config_table *mc;
        unsigned char bus_num;
        unsigned char bus_isa;
	unsigned char bus_chain_0;
        unsigned char bus_8131_1;
        unsigned char bus_8131_2;
        unsigned char bus_8111_1;
        unsigned apicid_base;
        unsigned apicid_8111;
        unsigned apicid_8131_1;
        unsigned apicid_8131_2;

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

	mptable_init(mc, "S2882       ", LAPIC_ADDR);

        smp_write_processors(mc);
        {
                device_t dev;

                /* HT chain 0 */
                bus_chain_0 = node_link_to_bus(0, 0);
                if (bus_chain_0 == 0) {
                        printk(BIOS_DEBUG, "ERROR - cound not find bus for node 0 chain 0, using defaults\n");
                        bus_chain_0 = 1;
                }

                /* 8111 */
                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x03,0));
                if (dev) {
                        bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                        bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
                        bus_isa++;
                }
                else {
                        printk(BIOS_DEBUG, "ERROR - could not find PCI 1:03.0, using defaults\n");

                        bus_8111_1 = 4;
                        bus_isa = 5;
                }
                /* 8131-1 */
                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
                if (dev) {
                        bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);

                }
                else {
                        printk(BIOS_DEBUG, "ERROR - could not find PCI 1:01.0, using defaults\n");

                        bus_8131_1 = 2;
                }
                /* 8131-2 */
                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
                if (dev) {
                        bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);

                }
                else {
                        printk(BIOS_DEBUG, "ERROR - could not find PCI 1:02.0, using defaults\n");

                        bus_8131_2 = 3;
                }
        }
/*Bus:          Bus ID  Type*/
        /* define bus and isa numbers */
        for(bus_num = 0; bus_num < bus_isa; bus_num++) {
                smp_write_bus(mc, bus_num, "PCI   ");
        }
        smp_write_bus(mc, bus_isa, "ISA   ");


/*I/O APICs:	APIC ID	Version	State		Address*/
#if CONFIG_LOGICAL_CPUS==1
	apicid_base = get_apicid_base(3);
#else
        apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
#endif
        apicid_8111 = apicid_base+0;
        apicid_8131_1 = apicid_base+1;
        apicid_8131_2 = apicid_base+2;

	smp_write_ioapic(mc, apicid_8111, 0x11, IO_APIC_ADDR);
        {
                device_t dev;
                struct resource *res;
                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x1,1));
                if (dev) {
                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
                        if (res) {
                                smp_write_ioapic(mc, apicid_8131_1, 0x11, res->base);
                        }
                }
                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x2,1));
                if (dev) {
                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
                        if (res) {
                                smp_write_ioapic(mc, apicid_8131_2, 0x11, res->base);
                        }
                }

	}

	mptable_add_isa_interrupts(mc, bus_isa, apicid_8111, 0);

/*I/O Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN# */
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chain_0, (4<<2)|3, apicid_8111, 0x13);


//On Board AMD USB
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (0<<2)|3, apicid_8111, 0x13);


//On Board ATI Display Adapter
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (6<<2)|0, apicid_8111, 0x12);

#if 1
//Slot 5 PCI 32
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (4<<2)|0, apicid_8111, 0x10);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (4<<2)|1, apicid_8111, 0x11);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (4<<2)|2, apicid_8111, 0x12); //
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (4<<2)|3, apicid_8111, 0x13); //

#endif
//Onboard SI Serial ATA
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (5<<2)|0, apicid_8111, 0x13);

//Onboard Intel 82551 10/100M NIC
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (8<<2)|0, apicid_8111, 0x12);

#if 1
//Slot 3 PCIX 100/66
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (3<<2)|0, apicid_8131_1, 0x3);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (3<<2)|1, apicid_8131_1, 0x0);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (3<<2)|2, apicid_8131_1, 0x1);//
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (3<<2)|3, apicid_8131_1, 0x2);//

//Slot 4 PCIX 100/66
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (2<<2)|0, apicid_8131_1, 0x2);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (2<<2)|1, apicid_8131_1, 0x3);//
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (2<<2)|2, apicid_8131_1, 0x0);//
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (2<<2)|3, apicid_8131_1, 0x1);//


#endif
//Onboard adaptec scsi
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (6<<2)|0, apicid_8131_1, 0x0);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (6<<2)|1, apicid_8131_1, 0x1);

//On Board NIC
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (9<<2)|0, apicid_8131_1, 0x0);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (9<<2)|1, apicid_8131_1, 0x1);


#if 1
//Slot 1 PCI-X 133/100/66
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (3<<2)|0, apicid_8131_2, 0x0);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (3<<2)|1, apicid_8131_2, 0x1);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (3<<2)|2, apicid_8131_2, 0x2); //
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (3<<2)|3, apicid_8131_2, 0x3); //

//Slot 2 PCI-X 133/100/66
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (1<<2)|0, apicid_8131_2, 0x1);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (1<<2)|1, apicid_8131_2, 0x2);
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (1<<2)|2, apicid_8131_2, 0x3);//
        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (1<<2)|3, apicid_8131_2, 0x0);//

#endif
/*Local Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN#*/
        smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0);
        smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x1);
	/* 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);
}