diff options
Diffstat (limited to 'src/mainboard/asus/a88xm-e/mptable.c')
| -rw-r--r-- | src/mainboard/asus/a88xm-e/mptable.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/mainboard/asus/a88xm-e/mptable.c b/src/mainboard/asus/a88xm-e/mptable.c new file mode 100644 index 0000000000..b9e743c5f3 --- /dev/null +++ b/src/mainboard/asus/a88xm-e/mptable.c @@ -0,0 +1,137 @@ +/* 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; + + /* + * 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); + + /* 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); +} |