diff options
Diffstat (limited to 'src/mainboard/elmex/pcm205400/mptable.c')
| -rw-r--r-- | src/mainboard/elmex/pcm205400/mptable.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/mainboard/elmex/pcm205400/mptable.c b/src/mainboard/elmex/pcm205400/mptable.c new file mode 100644 index 0000000000..8e954cd0d1 --- /dev/null +++ b/src/mainboard/elmex/pcm205400/mptable.c @@ -0,0 +1,148 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * Copyright (C) 2014 Sage Electronic Engineering, LLC. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + + +#include <console/console.h> +#include <arch/smp/mpspec.h> +#include <device/pci.h> +#include <arch/io.h> +#include <string.h> +#include <stdint.h> +#include <cpu/amd/amdfam14.h> +#include <SBPLATFORM.h> +#include <southbridge/amd/common/amd_pci_util.h> +#include <drivers/generic/ioapic/chip.h> +#include <arch/ioapic.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); + + /* Intialize 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 */ + device_t dev = dev_find_slot(0, PCI_DEVFN(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 */ + } + + /* 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); +} |