Florian Zumbiehl | 2138556 | 2011-11-01 20:19:40 +0100 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Written by Stefan Reinauer <stepan@openbios.org>. |
| 5 | * ACPI FADT, FACS, and DSDT table support added by |
| 6 | * |
| 7 | * Copyright (C) 2004 Stefan Reinauer <stepan@openbios.org> |
| 8 | * Copyright (C) 2005 Nick Barker <nick.barker9@btinternet.com> |
| 9 | * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz> |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; version 2 of the License. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 23 | */ |
| 24 | |
| 25 | #include <console/console.h> |
| 26 | #include <string.h> |
| 27 | #include <arch/acpi.h> |
| 28 | #include <arch/smp/mpspec.h> |
| 29 | #include <arch/ioapic.h> |
| 30 | #include <device/device.h> |
| 31 | #include <device/pci_ids.h> |
| 32 | #include "southbridge/via/vt8237r/vt8237r.h" |
Florian Zumbiehl | 6cdf5a9 | 2011-11-01 20:19:41 +0100 | [diff] [blame] | 33 | #include "southbridge/via/k8t890/k8x8xx.h" |
Florian Zumbiehl | 2138556 | 2011-11-01 20:19:40 +0100 | [diff] [blame] | 34 | #include "northbridge/amd/amdk8/acpi.h" |
| 35 | #include <cpu/amd/model_fxx_powernow.h> |
| 36 | |
| 37 | extern const unsigned char AmlCode[]; |
| 38 | |
| 39 | unsigned long acpi_fill_mcfg(unsigned long current) |
| 40 | { |
| 41 | device_t dev; |
| 42 | struct resource *res; |
| 43 | |
| 44 | dev = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_K8T890CE_5, 0); |
| 45 | if (!dev) |
| 46 | return current; |
| 47 | |
| 48 | res = find_resource(dev, K8T890_MMCONFIG_MBAR); |
| 49 | if (res) { |
| 50 | current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) |
| 51 | current, res->base, 0x0, 0x0, 0xff); |
| 52 | } |
| 53 | return current; |
| 54 | } |
| 55 | |
| 56 | unsigned long acpi_fill_madt(unsigned long current) |
| 57 | { |
| 58 | unsigned int gsi_base = 0x18; |
| 59 | |
| 60 | /* Create all subtables for processors. */ |
| 61 | current = acpi_create_madt_lapics(current); |
| 62 | |
| 63 | /* Write SB IOAPIC. */ |
| 64 | current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, |
| 65 | VT8237R_APIC_ID, IO_APIC_ADDR, 0); |
| 66 | |
| 67 | /* Write NB IOAPIC. */ |
| 68 | current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, |
| 69 | K8T890_APIC_ID, K8T890_APIC_BASE, gsi_base); |
| 70 | |
| 71 | /* IRQ9 ACPI active low. */ |
| 72 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) |
| 73 | current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW); |
| 74 | |
| 75 | /* IRQ0 -> APIC IRQ2. */ |
| 76 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) |
| 77 | current, 0, 0, 2, 0x0); |
| 78 | |
| 79 | /* Create all subtables for processors. */ |
| 80 | current = acpi_create_madt_lapic_nmis(current, |
| 81 | MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, 1); |
| 82 | |
| 83 | return current; |
| 84 | } |
| 85 | |
| 86 | unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) |
| 87 | { |
| 88 | k8acpi_write_vars(); |
| 89 | amd_model_fxx_generate_powernow(0, 0, 0); |
| 90 | acpigen_write_mainboard_resources("\\_SB.PCI0.MBRS", "_CRS"); |
| 91 | return (unsigned long) (acpigen_get_current()); |
| 92 | } |
| 93 | |
| 94 | unsigned long write_acpi_tables(unsigned long start) |
| 95 | { |
| 96 | unsigned long current; |
| 97 | acpi_rsdp_t *rsdp; |
| 98 | acpi_srat_t *srat; |
| 99 | acpi_rsdt_t *rsdt; |
| 100 | acpi_madt_t *madt; |
| 101 | acpi_mcfg_t *mcfg; |
| 102 | acpi_fadt_t *fadt; |
| 103 | acpi_facs_t *facs; |
| 104 | acpi_header_t *ssdt; |
| 105 | acpi_header_t *dsdt; |
| 106 | |
| 107 | /* Align ACPI tables to 16 byte. */ |
Patrick Georgi | 26b00e6 | 2012-04-20 19:19:47 +0200 | [diff] [blame] | 108 | start = ALIGN(start, 16); |
Florian Zumbiehl | 2138556 | 2011-11-01 20:19:40 +0100 | [diff] [blame] | 109 | current = start; |
| 110 | |
| 111 | printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start); |
| 112 | |
| 113 | /* We need at least an RSDP and an RSDT table. */ |
| 114 | rsdp = (acpi_rsdp_t *) current; |
| 115 | current += sizeof(acpi_rsdp_t); |
| 116 | rsdt = (acpi_rsdt_t *) current; |
| 117 | current += sizeof(acpi_rsdt_t); |
| 118 | |
| 119 | /* Clear all table memory. */ |
| 120 | memset((void *) start, 0, current - start); |
| 121 | |
| 122 | acpi_write_rsdp(rsdp, rsdt, NULL); |
| 123 | acpi_write_rsdt(rsdt); |
| 124 | |
| 125 | /* We explicitly add these tables later on: */ |
| 126 | printk(BIOS_DEBUG, "ACPI: * FACS\n"); |
| 127 | facs = (acpi_facs_t *) current; |
| 128 | current += sizeof(acpi_facs_t); |
| 129 | acpi_create_facs(facs); |
| 130 | |
| 131 | dsdt = (acpi_header_t *)current; |
| 132 | memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); |
| 133 | current += dsdt->length; |
| 134 | memcpy(dsdt, &AmlCode, dsdt->length); |
| 135 | dsdt->checksum = 0; /* Don't trust iasl to get this right. */ |
| 136 | dsdt->checksum = acpi_checksum((u8*)dsdt, dsdt->length); |
| 137 | printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, |
| 138 | dsdt->length); |
| 139 | printk(BIOS_DEBUG, "ACPI: * FADT\n"); |
| 140 | |
| 141 | fadt = (acpi_fadt_t *) current; |
| 142 | current += sizeof(acpi_fadt_t); |
| 143 | |
| 144 | acpi_create_fadt(fadt, facs, dsdt); |
| 145 | acpi_add_table(rsdp, fadt); |
| 146 | |
| 147 | /* If we want to use HPET timers Linux wants it in MADT. */ |
| 148 | printk(BIOS_DEBUG, "ACPI: * MADT\n"); |
| 149 | madt = (acpi_madt_t *) current; |
| 150 | acpi_create_madt(madt); |
| 151 | current += madt->header.length; |
| 152 | acpi_add_table(rsdp, madt); |
| 153 | printk(BIOS_DEBUG, "ACPI: * MCFG\n"); |
| 154 | mcfg = (acpi_mcfg_t *) current; |
| 155 | acpi_create_mcfg(mcfg); |
| 156 | current += mcfg->header.length; |
| 157 | acpi_add_table(rsdp, mcfg); |
| 158 | |
| 159 | printk(BIOS_DEBUG, "ACPI: * SRAT\n"); |
| 160 | srat = (acpi_srat_t *) current; |
| 161 | acpi_create_srat(srat); |
| 162 | current += srat->header.length; |
| 163 | acpi_add_table(rsdp, srat); |
| 164 | |
| 165 | /* SSDT */ |
| 166 | printk(BIOS_DEBUG, "ACPI: * SSDT\n"); |
| 167 | ssdt = (acpi_header_t *)current; |
| 168 | |
| 169 | acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR); |
| 170 | current += ssdt->length; |
| 171 | acpi_add_table(rsdp, ssdt); |
| 172 | |
| 173 | printk(BIOS_INFO, "ACPI: done.\n"); |
| 174 | return current; |
| 175 | } |