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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <arch/ioapic.h>
#include <arch/smp/mpspec.h>
#include <drivers/generic/ioapic/chip.h>
#include <stdint.h>
#include <southbridge/amd/common/amd_pci_util.h>
#include <southbridge/amd/cimx/sb800/SBPLATFORM.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);
/* 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
*/
smp_write_ioapic(mc, ioapic_id, ioapic_ver, VIO_APIC_VADDR);
/*
* 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, 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[PIRQ_C]);
PCI_INT(0x0, 0x01, 0x1, intr_data_ptr[PIRQ_D]);
/* SMBUS / ACPI */
PCI_INT(0x0, 0x14, 0x0, intr_data_ptr[PIRQ_SMBUS]);
/* Southbridge HD Audio */
PCI_INT(0x0, 0x14, 0x2, intr_data_ptr[PIRQ_HDA]);
/* LPC */
PCI_INT(0x0, 0x14, 0x3, intr_data_ptr[PIRQ_C]);
/* USB */
PCI_INT(0x0, 0x12, 0x0, intr_data_ptr[PIRQ_OHCI1]);
PCI_INT(0x0, 0x12, 0x2, intr_data_ptr[PIRQ_EHCI1]);
PCI_INT(0x0, 0x13, 0x0, intr_data_ptr[PIRQ_OHCI2]);
PCI_INT(0x0, 0x13, 0x2, intr_data_ptr[PIRQ_EHCI2]);
PCI_INT(0x0, 0x14, 0x5, intr_data_ptr[PIRQ_OHCI4]);
/* IDE */
PCI_INT(0x0, 0x14, 0x1, intr_data_ptr[PIRQ_IDE]);
/* 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]); /* Use INTE */
PCI_INT(0x2, 0x0, 0x0, intr_data_ptr[PIRQ_E]); /* Use INTE */
/* 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, intr_data_ptr[PIRQ_E]); /* INTA -> INTE */
PCI_INT(bus_pci, 0x5, 0x1, intr_data_ptr[PIRQ_F]); /* INTB -> INTF */
PCI_INT(bus_pci, 0x5, 0x2, intr_data_ptr[PIRQ_G]); /* INTC -> INTG */
PCI_INT(bus_pci, 0x5, 0x3, intr_data_ptr[PIRQ_H]); /* INTD -> INTH */
}
/* On-board Realtek NIC 2. (PCIe PortA) */
PCI_INT(0x0, 0x15, 0x0, intr_data_ptr[PIRQ_E]); /* INTA -> INTE */
/* PCIe PortB */
PCI_INT(0x0, 0x15, 0x1, intr_data_ptr[PIRQ_F]); /* INTB -> INTF */
/* PCIe PortC */
PCI_INT(0x0, 0x15, 0x2, intr_data_ptr[PIRQ_G]); /* INTC -> INTG */
/* PCIe PortD */
PCI_INT(0x0, 0x15, 0x3, intr_data_ptr[PIRQ_H]); /* INTD -> INTH */
/*Local 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));
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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