2 * This file is part of the coreboot project.
4 * Copyright (C) 2011 Advanced Micro Devices, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <console/console.h>
22 #include <arch/acpi.h>
23 #include <arch/ioapic.h>
24 #include <device/pci.h>
25 #include <device/pci_ids.h>
26 #include <cpu/x86/msr.h>
27 #include "agesawrapper.h"
28 #include <cpu/amd/mtrr.h>
29 #include <cpu/amd/amdfam14.h>
31 #define DUMP_ACPI_TABLES 0
33 #if DUMP_ACPI_TABLES == 1
35 static void dump_mem(u32 start, u32 end)
39 print_debug("dump_mem:");
40 for (i = start; i < end; i++) {
42 printk(BIOS_DEBUG, "\n%08x:", i);
44 printk(BIOS_DEBUG, " %02x", (u8)*((u8 *)i));
50 extern const unsigned char AmlCode[];
51 extern const unsigned char AmlCode_ssdt[];
53 unsigned long acpi_fill_mcfg(unsigned long current)
59 unsigned long acpi_fill_madt(unsigned long current)
61 /* create all subtables for processors */
62 current = acpi_create_madt_lapics(current);
64 /* Write SB800 IOAPIC, only one */
65 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
66 CONFIG_MAX_CPUS, IO_APIC_ADDR, 0);
68 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
70 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
71 current, 0, 9, 9, 0xF);
73 /* 0: mean bus 0--->ISA */
76 /* 5 mean: 0101 --> Edige-triggered, Active high */
78 /* create all subtables for processors */
79 /* current = acpi_create_madt_lapic_nmis(current, 5, 1); */
80 /* 1: LINT1 connect to NMI */
85 unsigned long acpi_fill_slit(unsigned long current)
91 unsigned long acpi_fill_srat(unsigned long current)
93 /* No NUMA, no SRAT */
97 unsigned long write_acpi_tables(unsigned long start)
99 unsigned long current;
111 get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
113 /* Align ACPI tables to 16 bytes */
114 start = (start + 0x0f) & -0x10;
117 printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start);
119 /* We need at least an RSDP and an RSDT Table */
120 rsdp = (acpi_rsdp_t *) current;
121 current += sizeof(acpi_rsdp_t);
122 rsdt = (acpi_rsdt_t *) current;
123 current += sizeof(acpi_rsdt_t);
125 /* clear all table memory */
126 memset((void *)start, 0, current - start);
128 acpi_write_rsdp(rsdp, rsdt, NULL);
129 acpi_write_rsdt(rsdt);
132 current = ( current + 0x07) & -0x08;
133 printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current);
134 dsdt = (acpi_header_t *)current; // it will used by fadt
135 memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
136 current += dsdt->length;
137 memcpy(dsdt, &AmlCode, dsdt->length);
138 printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length);
140 /* FACS */ // it needs 64 bit alignment
141 current = ( current + 0x07) & -0x08;
142 printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
143 facs = (acpi_facs_t *) current; // it will be used by fadt
144 current += sizeof(acpi_facs_t);
145 acpi_create_facs(facs);
148 current = ( current + 0x07) & -0x08;
149 printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current);
150 fadt = (acpi_fadt_t *) current;
151 current += sizeof(acpi_fadt_t);
153 acpi_create_fadt(fadt, facs, dsdt);
154 acpi_add_table(rsdp, fadt);
157 * We explicitly add these tables later on:
159 current = ( current + 0x07) & -0x08;
160 printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current);
161 hpet = (acpi_hpet_t *) current;
162 current += sizeof(acpi_hpet_t);
163 acpi_create_hpet(hpet);
164 acpi_add_table(rsdp, hpet);
166 /* If we want to use HPET Timers Linux wants an MADT */
167 current = ( current + 0x07) & -0x08;
168 printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current);
169 madt = (acpi_madt_t *) current;
170 acpi_create_madt(madt);
171 current += madt->header.length;
172 acpi_add_table(rsdp, madt);
175 current = ( current + 0x07) & -0x08;
176 printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current);
177 srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT);
179 memcpy((void *)current, srat, srat->header.length);
180 srat = (acpi_srat_t *) current;
181 //acpi_create_srat(srat);
182 current += srat->header.length;
183 acpi_add_table(rsdp, srat);
187 current = ( current + 0x07) & -0x08;
188 printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current);
189 slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT);
191 memcpy((void *)current, slit, slit->header.length);
192 slit = (acpi_slit_t *) current;
193 //acpi_create_slit(slit);
194 current += slit->header.length;
195 acpi_add_table(rsdp, slit);
199 current = ( current + 0x0f) & -0x10;
200 printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current);
201 ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
203 memcpy((void *)current, ssdt, ssdt->length);
204 ssdt = (acpi_header_t *) current;
205 current += ssdt->length;
208 ssdt = (acpi_header_t *) current;
209 memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
210 current += ssdt->length;
211 memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
212 /* recalculate checksum */
214 ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
216 acpi_add_table(rsdp,ssdt);
218 printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current);
220 #if DUMP_ACPI_TABLES == 1
221 printk(BIOS_DEBUG, "rsdp\n");
222 dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
224 printk(BIOS_DEBUG, "rsdt\n");
225 dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
227 printk(BIOS_DEBUG, "madt\n");
228 dump_mem(madt, ((void *)madt) + madt->header.length);
230 printk(BIOS_DEBUG, "srat\n");
231 dump_mem(srat, ((void *)srat) + srat->header.length);
233 printk(BIOS_DEBUG, "slit\n");
234 dump_mem(slit, ((void *)slit) + slit->header.length);
236 printk(BIOS_DEBUG, "ssdt\n");
237 dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
239 printk(BIOS_DEBUG, "fadt\n");
240 dump_mem(fadt, ((void *)fadt) + fadt->header.length);
243 printk(BIOS_INFO, "ACPI: done.\n");