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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/smp/mpspec.h>
#include <arch/ioapic.h>
#include <stdint.h>
#include <northbridge/amd/nb_common.h>
#include <southbridge/amd/common/amd_pci_util.h>
static void *smp_write_config_table(void *v)
{
struct mp_config_table *mc;
int bus_isa;
/* Initialize the MP_Table */
mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
mptable_init(mc, LOCAL_APIC_ADDR);
/*
* Type 0: Processor Entries:
* LAPIC ID, LAPIC Version, CPU Flags:EN/BP,
* CPU Signature (Stepping, Model, Family),
* Feature Flags
*/
smp_write_processors(mc);
/*
* Type 1: Bus Entries:
* Bus ID, Bus Type
*/
mptable_write_buses(mc, NULL, &bus_isa);
/*
* Type 2: I/O APICs:
* APIC ID, Version, APIC Flags:EN, Address
*/
u8 ioapic_id = (io_apic_read(VIO_APIC_VADDR, 0x00) >> 24);
u8 ioapic_ver = (io_apic_read(VIO_APIC_VADDR, 0x01) & 0xFF);
smp_write_ioapic(mc, ioapic_id, ioapic_ver, VIO_APIC_VADDR);
ioapic_id = (io_apic_read((void *)IO_APIC2_ADDR, 0x00) >> 24);
ioapic_ver = (io_apic_read((void *)IO_APIC2_ADDR, 0x01) & 0xFF);
smp_write_ioapic(mc, ioapic_id, ioapic_ver, (void *)IO_APIC2_ADDR);
/* I/O Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */
#define IO_LOCAL_INT(type, intr, apicid, pin) \
smp_write_lintsrc(mc, (type), MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, bus_isa, (intr), (apicid), (pin));
/*
* Type 3: I/O Interrupt Table Entries:
* Int Type, Int Polarity, Int Level, Source Bus ID,
* Source Bus IRQ, Dest APIC ID, Dest PIN#
*/
mptable_add_isa_interrupts(mc, bus_isa, ioapic_id, 0);
/* PCI interrupts are level triggered, and are
* associated with a specific bus/device/function tuple.
*/
#define PCI_INT(bus, dev, int_sign, pin) \
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, (bus), (((dev)<<2)|(int_sign)), ioapic_id, (pin))
/* SMBUS / ACPI */
PCI_INT(0x0, 0x14, 0x0, intr_data_ptr[PIRQ_SMBUS]);
/* SD card */
PCI_INT(0x0, 0x14, 0x1, intr_data_ptr[PIRQ_SD]);
/* USB */
PCI_INT(0x0, 0x12, 0x0, intr_data_ptr[PIRQ_OHCI1]);
PCI_INT(0x0, 0x12, 0x1, intr_data_ptr[PIRQ_EHCI1]);
PCI_INT(0x0, 0x13, 0x0, intr_data_ptr[PIRQ_OHCI2]);
PCI_INT(0x0, 0x13, 0x1, intr_data_ptr[PIRQ_EHCI2]);
PCI_INT(0x0, 0x16, 0x0, intr_data_ptr[PIRQ_OHCI3]);
PCI_INT(0x0, 0x16, 0x1, intr_data_ptr[PIRQ_EHCI3]);
PCI_INT(0x0, 0x14, 0x2, intr_data_ptr[PIRQ_OHCI4]);
/* SATA */
PCI_INT(0x0, 0x11, 0x0, intr_data_ptr[PIRQ_SATA]);
/* on board NIC & Slot PCIE */
PCI_INT(0x1, 0x0, 0x0, intr_data_ptr[PIRQ_E]);
PCI_INT(0x2, 0x0, 0x0, intr_data_ptr[PIRQ_F]);
/* GPP0 */
PCI_INT(0x0, 0x2, 0x0, 0x10); // Network 3
/* GPP1 */
PCI_INT(0x0, 0x2, 0x1, 0x11); // Network 2
/* GPP2 */
PCI_INT(0x0, 0x2, 0x2, 0x12); // Network 1
/* GPP3 */
PCI_INT(0x0, 0x2, 0x3, 0x13); // mPCI
/* GPP4 */
PCI_INT(0x0, 0x2, 0x4, 0x14); // mPCI
IO_LOCAL_INT(mp_ExtINT, 0x0, MP_APIC_ALL, 0x0);
IO_LOCAL_INT(mp_NMI, 0x0, MP_APIC_ALL, 0x1);
/* There is no extension information... */
/* Compute the checksums */
return mptable_finalize(mc);
}
unsigned long write_smp_table(unsigned long addr)
{
void *v;
v = smp_write_floating_table(addr, 0); /* ADDR, Enable Virtual Wire */
return (unsigned long)smp_write_config_table(v);
}
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