diff options
Diffstat (limited to 'src/mainboard/siemens/sitemp_g1p1/mptable.c')
-rw-r--r-- | src/mainboard/siemens/sitemp_g1p1/mptable.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/mainboard/siemens/sitemp_g1p1/mptable.c b/src/mainboard/siemens/sitemp_g1p1/mptable.c new file mode 100644 index 0000000000..df2f77b97d --- /dev/null +++ b/src/mainboard/siemens/sitemp_g1p1/mptable.c @@ -0,0 +1,95 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * + * 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. + * + * 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 + */ + +#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/amdk8_sysconf.h> + +extern u8 bus_isa; +extern u8 bus_rs690[8]; +extern u8 bus_sb600[2]; + +extern u32 apicid_sb600; + +extern u32 bus_type[256]; +extern u32 sbdn_rs690; +extern u32 sbdn_sb600; + +static void *smp_write_config_table(void *v) +{ + struct mp_config_table *mc; + int isa_bus; + + mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); + mptable_init(mc, LAPIC_ADDR); + smp_write_processors(mc); + + get_bus_conf(); + printk(BIOS_DEBUG, "%s: bus_isa=%d, apic_id=0x%x\n", __func__, bus_isa, apicid_sb600); + + mptable_write_buses(mc, NULL, &isa_bus); + if (isa_bus != bus_isa) { + printk(BIOS_ERR, "ISA bus numbering schemes differ! Please fix mptable.c\n"); + } + /* I/O APICs: APIC ID Version State Address */ + { + device_t dev; + + dev = dev_find_slot(bus_sb600[0], PCI_DEVFN(sbdn_sb600 + 0x14, 0)); + if (dev) { + struct resource *res; + res = find_resource(dev, 0x74); + smp_write_ioapic(mc, apicid_sb600, 0x20, res->base); + } + } + mptable_add_isa_interrupts(mc, bus_isa, apicid_sb600, 0); + /* I/O Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */ + smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0); + smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x1); + + /* Compute the checksums */ + mc->mpe_checksum = + smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length); + mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length); + printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n", + mc, smp_next_mpe_entry(mc)); + return smp_next_mpe_entry(mc); +} + +static void fixup_virtual_wire(void *v) +{ + struct intel_mp_floating *mf = v; + + mf->mpf_checksum = 0; + mf->mpf_feature2 = MP_FEATURE_VIRTUALWIRE; + mf->mpf_checksum = smp_compute_checksum(mf, mf->mpf_length*16); +} + +unsigned long write_smp_table(unsigned long addr) +{ + void *v; + v = smp_write_floating_table(addr); + fixup_virtual_wire(v); + return (unsigned long)smp_write_config_table(v); +} |