| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <arch/ioapic.h> |
| #include <arch/smp/mpspec.h> |
| #include <string.h> |
| #include <southbridge/amd/common/amd_pci_util.h> |
| #include <southbridge/amd/agesa/hudson/hudson.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; |
| |
| mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); |
| |
| mptable_init(mc); |
| 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 "); |
| |
| /* |
| * 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 = smp_write_ioapic_from_hw(mc, 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, 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)) |
| |
| /* IOMMU */ |
| PCI_INT(0x0, 0x0, 0x0, 0x10); |
| PCI_INT(0x0, 0x0, 0x1, 0x11); |
| PCI_INT(0x0, 0x0, 0x2, 0x12); |
| PCI_INT(0x0, 0x0, 0x3, 0x13); |
| |
| /* 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); |
| } |
| |
| /* 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 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); |
| } |