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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/smp/mpspec.h>
#include <arch/ioapic.h>
#include <string.h>
#include <stdint.h>
#include <southbridge/amd/cimx/sb800/SBPLATFORM.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;
/*
* By the time this function gets called, the IOAPIC registers
* have been written so they can be read to get the correct
* APIC ID and Version
*/
u8 ioapic_id = (io_apic_read(VIO_APIC_VADDR, 0x00) >> 24);
u8 ioapic_ver = (io_apic_read(VIO_APIC_VADDR, 0x01) & 0xFF);
mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
mptable_init(mc, LOCAL_APIC_ADDR);
memcpy(mc->mpc_oem, "AMD ", 8);
smp_write_processors(mc);
mptable_write_buses(mc, NULL, &bus_isa);
/* I/O APICs: APIC ID Version State Address */
smp_write_ioapic(mc, ioapic_id, ioapic_ver, VIO_APIC_VADDR);
/* 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));
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, fn, pin) \
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, (bus), (((dev)<<2)|(fn)), ioapic_id, (pin))
/* APU Internal Graphic Device*/
PCI_INT(0x0, 0x01, 0x0, intr_data_ptr[0x02]);
PCI_INT(0x0, 0x01, 0x1, intr_data_ptr[0x03]);
//PCI_INT(0x0, 0x14, 0x1, 0x11); /* IDE. */
PCI_INT(0x0, 0x14, 0x0, 0x10);
/* Southbridge HD Audio: */
PCI_INT(0x0, 0x14, 0x2, 0x12);
PCI_INT(0x0, 0x12, 0x0, intr_data_ptr[0x30]); /* USB */
PCI_INT(0x0, 0x12, 0x1, intr_data_ptr[0x31]);
PCI_INT(0x0, 0x13, 0x0, intr_data_ptr[0x32]);
PCI_INT(0x0, 0x13, 0x1, intr_data_ptr[0x33]);
PCI_INT(0x0, 0x16, 0x0, intr_data_ptr[0x34]);
PCI_INT(0x0, 0x16, 0x1, intr_data_ptr[0x35]);
/* sata */
PCI_INT(0x0, 0x11, 0x0, intr_data_ptr[0x41]);
/* on board NIC & Slot PCIE. */
/* PCI slots */
struct device *dev = pcidev_on_root(0x14, 4);
if (dev && dev->enabled) {
u8 bus_pci = dev->link_list->secondary;
/* PCI_SLOT 0. */
PCI_INT(bus_pci, 0x5, 0x0, 0x14);
PCI_INT(bus_pci, 0x5, 0x1, 0x15);
PCI_INT(bus_pci, 0x5, 0x2, 0x16);
PCI_INT(bus_pci, 0x5, 0x3, 0x17);
/* PCI_SLOT 1. */
PCI_INT(bus_pci, 0x6, 0x0, 0x15);
PCI_INT(bus_pci, 0x6, 0x1, 0x16);
PCI_INT(bus_pci, 0x6, 0x2, 0x17);
PCI_INT(bus_pci, 0x6, 0x3, 0x14);
/* PCI_SLOT 2. */
PCI_INT(bus_pci, 0x7, 0x0, 0x16);
PCI_INT(bus_pci, 0x7, 0x1, 0x17);
PCI_INT(bus_pci, 0x7, 0x2, 0x14);
PCI_INT(bus_pci, 0x7, 0x3, 0x15);
}
/* PCIe PortA */
PCI_INT(0x0, 0x15, 0x0, 0x10);
/* PCIe PortB */
PCI_INT(0x0, 0x15, 0x1, 0x11);
/* PCIe PortC */
PCI_INT(0x0, 0x15, 0x2, 0x12);
/* PCIe PortD */
PCI_INT(0x0, 0x15, 0x3, 0x13);
/*Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */
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);
return (unsigned long)smp_write_config_table(v);
}
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