| /* 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); |
| } |