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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 <cpu/x86/lapic.h>
#include <soc/southbridge.h>
#include <amdblocks/amd_pci_util.h>
static void smp_add_mpc_entry(struct mp_config_table *mc, unsigned int length)
{
mc->mpc_length += length;
mc->mpc_entry_count++;
}
static void my_smp_write_bus(struct mp_config_table *mc,
unsigned char id, const char *bustype)
{
struct mpc_config_bus *mpc;
mpc = smp_next_mpc_entry(mc);
memset(mpc, '\0', sizeof(*mpc));
mpc->mpc_type = MP_BUS;
mpc->mpc_busid = id;
memcpy(mpc->mpc_bustype, bustype, sizeof(mpc->mpc_bustype));
smp_add_mpc_entry(mc, sizeof(*mpc));
}
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);
my_smp_write_bus(mc, 0, "PCI ");
my_smp_write_bus(mc, 1, "PCI ");
bus_isa = 0x02;
my_smp_write_bus(mc, bus_isa, "ISA ");
/* I/O APICs: APIC ID Version State Address */
smp_write_ioapic(mc, ioapic_id, ioapic_ver, VIO_APIC_VADDR);
smp_write_ioapic(mc, ioapic_id+1, 0x21, (void *)0xFEC20000);
/* 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, 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))
/* Internal VGA */
PCI_INT(0x0, 0x01, 0x0, intr_data_ptr[0x02]);
PCI_INT(0x0, 0x01, 0x1, intr_data_ptr[0x03]);
/* SMBUS */
PCI_INT(0x0, 0x14, 0x0, 0x10);
/* HD Audio */
PCI_INT(0x0, 0x14, 0x0, intr_data_ptr[0x13]);
/* USB */
PCI_INT(0x0, 0x12, 0x0, intr_data_ptr[0x30]);
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]);
PCI_INT(0x0, 0x14, 0x2, intr_data_ptr[0x36]);
/* sata */
PCI_INT(0x0, 0x11, 0x0, intr_data_ptr[0x40]);
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 Lan*/
PCI_INT(0x0, 0x06, 0x0, 0x13);
/* FCH PCIe PortA */
PCI_INT(0x0, 0x15, 0x0, 0x10);
/* FCH PCIe PortB */
PCI_INT(0x0, 0x15, 0x1, 0x11);
/* FCH PCIe PortC */
PCI_INT(0x0, 0x15, 0x2, 0x12);
/* FCH PCIe PortD */
PCI_INT(0x0, 0x15, 0x3, 0x13);
/*Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */
IO_LOCAL_INT(mp_ExtINT, 0, MP_APIC_ALL, 0x0);
IO_LOCAL_INT(mp_NMI, 0, 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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