Stefan Reinauer | aeba92a | 2009-04-17 08:37:18 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2007-2009 coresystems GmbH |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation; version 2 of |
| 9 | * the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
| 19 | * MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #include <device/device.h> |
| 23 | #include <device/pci.h> |
| 24 | #include <arch/smp/mpspec.h> |
| 25 | #include <cpu/x86/lapic.h> |
| 26 | #include <console/console.h> |
| 27 | #include <string.h> |
| 28 | #include <stdint.h> |
| 29 | |
Myles Watson | 08e0fb8 | 2010-03-22 16:33:25 +0000 | [diff] [blame] | 30 | static void *smp_write_config_table(void *v) |
Stefan Reinauer | aeba92a | 2009-04-17 08:37:18 +0000 | [diff] [blame] | 31 | { |
| 32 | static const char sig[4] = MPC_SIGNATURE; |
| 33 | static const char oem[8] = "COREBOOT"; |
| 34 | static const char productid[12] = "VIA VT8454C "; |
| 35 | struct mp_config_table *mc; |
Patrick Georgi | 2097958 | 2010-09-24 18:42:56 +0000 | [diff] [blame^] | 36 | int isa_bus; |
Stefan Reinauer | aeba92a | 2009-04-17 08:37:18 +0000 | [diff] [blame] | 37 | |
| 38 | mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); |
| 39 | memset(mc, 0, sizeof(*mc)); |
| 40 | |
| 41 | memcpy(mc->mpc_signature, sig, sizeof(sig)); |
| 42 | mc->mpc_length = sizeof(*mc); /* initially just the header */ |
| 43 | mc->mpc_spec = 0x04; |
| 44 | mc->mpc_checksum = 0; /* not yet computed */ |
| 45 | memcpy(mc->mpc_oem, oem, sizeof(oem)); |
| 46 | memcpy(mc->mpc_productid, productid, sizeof(productid)); |
| 47 | mc->mpc_oemptr = 0; |
| 48 | mc->mpc_oemsize = 0; |
| 49 | mc->mpc_entry_count = 0; /* No entries yet... */ |
| 50 | mc->mpc_lapic = LAPIC_ADDR; |
| 51 | mc->mpe_length = 0; |
| 52 | mc->mpe_checksum = 0; |
| 53 | mc->reserved = 0; |
| 54 | |
| 55 | smp_write_processors(mc); |
Patrick Georgi | 2097958 | 2010-09-24 18:42:56 +0000 | [diff] [blame^] | 56 | mptable_write_buses(mc, NULL, &isa_bus); |
Stefan Reinauer | aeba92a | 2009-04-17 08:37:18 +0000 | [diff] [blame] | 57 | |
| 58 | /* I/O APICs: APIC ID Version State Address */ |
| 59 | smp_write_ioapic(mc, 2, 17, 0xfec00000); |
| 60 | |
Patrick Georgi | 2097958 | 2010-09-24 18:42:56 +0000 | [diff] [blame^] | 61 | mptable_add_isa_interrupts(mc, isa_bus, 0x2, 0); |
Patrick Georgi | c5b87c8 | 2010-05-20 15:28:19 +0000 | [diff] [blame] | 62 | |
Stefan Reinauer | aeba92a | 2009-04-17 08:37:18 +0000 | [diff] [blame] | 63 | /* I/O Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */ |
| 64 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, 0x0, 0x40, 0x2, 0x14); |
| 65 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, 0x0, 0x41, 0x2, 0x16); |
| 66 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, 0x0, 0x42, 0x2, 0x15); |
| 67 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, 0x0, 0x43, 0x2, 0x17); |
| 68 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, 0x80, 0x4, 0x2, 0x11); |
| 69 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, 0x1, 0x0, 0x2, 0x11); |
| 70 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, 0x2, 0x10, 0x2, 0x11); |
Stefan Reinauer | aeba92a | 2009-04-17 08:37:18 +0000 | [diff] [blame] | 71 | |
| 72 | /*Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */ |
| 73 | smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, 0x0, 0x0, MP_APIC_ALL, 0x0); |
| 74 | smp_write_intsrc(mc, mp_NMI, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, 0x0, 0x0, MP_APIC_ALL, 0x1); |
| 75 | |
| 76 | /* Compute the checksums */ |
| 77 | mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length); |
| 78 | mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length); |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 79 | printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n", mc, smp_next_mpe_entry(mc)); |
Stefan Reinauer | aeba92a | 2009-04-17 08:37:18 +0000 | [diff] [blame] | 80 | return smp_next_mpe_entry(mc); |
| 81 | } |
| 82 | |
| 83 | unsigned long write_smp_table(unsigned long addr) |
| 84 | { |
| 85 | void *v; |
| 86 | v = smp_write_floating_table(addr); |
| 87 | return (unsigned long)smp_write_config_table(v); |
| 88 | } |