diff options
Diffstat (limited to 'src/mainboard/asus/kfsn4-dre/mptable.c')
| -rw-r--r-- | src/mainboard/asus/kfsn4-dre/mptable.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/mainboard/asus/kfsn4-dre/mptable.c b/src/mainboard/asus/kfsn4-dre/mptable.c new file mode 100644 index 0000000000..46ae594081 --- /dev/null +++ b/src/mainboard/asus/kfsn4-dre/mptable.c @@ -0,0 +1,156 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering + * Copyright (C) 2007 AMD + * (Written by Yinghai Lu <yinghailu@amd.com> for AMD) + * Copyright (C) 2007 Philipp Degler <pdegler@rumms.uni-mannheim.de> + * (Thanks to LSRA University of Mannheim for their support) + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +// WARNING +// These tables are INCOMPLETE for this mainboard! +// The ACPI tables are correct; a backport to these MP tables is needed... + +#include <console/console.h> +#include <arch/smp/mpspec.h> +#include <device/pci.h> +#include <string.h> +#include <stdint.h> +#include <cpu/amd/amdfam10_sysconf.h> + +extern unsigned char bus_ck804[6]; +extern unsigned apicid_ck804; + +static void *smp_write_config_table(void *v) +{ + struct mp_config_table *mc; + unsigned sbdn; + int bus_isa; + + mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); + + mptable_init(mc, LOCAL_APIC_ADDR); + + smp_write_processors(mc); + + get_bus_conf(); + sbdn = sysconf.sbdn; + + mptable_write_buses(mc, NULL, &bus_isa); + + /* I/O APICs: APIC ID Version State Address */ + { + device_t dev; + struct resource *res; + + dev = dev_find_slot(bus_ck804[0], PCI_DEVFN(sbdn + 0x1, 0)); + if (dev) { + res = find_resource(dev, PCI_BASE_ADDRESS_1); + if (res) { + smp_write_ioapic(mc, apicid_ck804, 0x11, res->base); + } + + /* Initialize interrupt mapping. */ + + /* + LPC bridge PCI config registers: + + 0x7c:0x0000ffff + - bitmap of masked pci irqs? + - PIRQ[ABCD] possibly? + + 0x7c:0x00f00000 + - sata at f8 - port 1 + + 0x7c:0x0f000000 + - sata at f7 - port 1 + + 0x80:0xf0000000 + - sata at f7 - port 0 + + 0x80:0x0f000000 + - sata at f8 - port 0 + + 0x80:0x0000f000 + - EHCI + + 0x84:0x00000f00 + - NIC + + 0x84:0x0000000f + - OHCI + + known values of nibbles: + + 0 - unrouted? + 1 - irq 23 + 8 - irq 20 + c - irq 12 + d - irq 21 + e - irq 14 + f - irq 15 + */ + + // Enable interrupts for commonly used devices (USB, SATA, etc.) + pci_write_config32(dev, 0x7c, 0x0d800018); + pci_write_config32(dev, 0x80, 0xd8002009); + pci_write_config32(dev, 0x84, 0x00000001); + } + } + + mptable_add_isa_interrupts(mc, bus_isa, apicid_ck804, 0); + + // Onboard ck804 smbus + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, + bus_ck804[0], ((sbdn + 1) << 2) | 1, apicid_ck804, + 0xa); + + // Onboard ck804 USB 1.1 + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, + bus_ck804[0], ((sbdn + 2) << 2) | 0, apicid_ck804, + 0x15); + + // Onboard ck804 USB 2 + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, + bus_ck804[0], ((sbdn + 2) << 2) | 1, apicid_ck804, + 0x14); + + // Onboard ck804 SATA 0 + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, + bus_ck804[0], ((sbdn + 7) << 2) | 0, apicid_ck804, + 0x17); + + // Onboard ck804 SATA 1 + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, + bus_ck804[0], ((sbdn + 8) << 2) | 0, apicid_ck804, + 0x16); + + /* Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */ + mptable_lintsrc(mc, bus_ck804[0]); + + /* There is no extension information... */ + + /* Compute the checksums. */ + return mptable_finalize(mc); +} + +unsigned long write_smp_table(unsigned long addr) +{ + void *v = smp_write_floating_table(addr, 0); + return (unsigned long)smp_write_config_table(v); +} |