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 <cpu/amd/mtrr.h>
28 //#include <cpu/amd/amdfam10_sysconf.h>
30 //#include "mb_sysconf.h"
31 #include "agesawrapper.h"
33 #define DUMP_ACPI_TABLES 0
35 #if DUMP_ACPI_TABLES == 1
37 static void dump_mem(u32 start, u32 end)
41 print_debug("dump_mem:");
42 for (i = start; i < end; i++) {
44 printk(BIOS_DEBUG, "\n%08x:", i);
46 printk(BIOS_DEBUG, " %02x", (u8)*((u8 *)i));
52 extern const unsigned char AmlCode[];
53 extern const unsigned char AmlCode_ssdt[];
55 unsigned long acpi_fill_mcfg(unsigned long current)
61 unsigned long acpi_fill_madt(unsigned long current)
63 /* create all subtables for processors */
64 current = acpi_create_madt_lapics(current);
66 /* Write SB800 IOAPIC, only one */
67 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
68 CONFIG_MAX_CPUS, IO_APIC_ADDR, 0);
70 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
72 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
73 current, 0, 9, 9, 0xF);
75 /* 0: mean bus 0--->ISA */
78 /* 5 mean: 0101 --> Edige-triggered, Active high */
80 /* create all subtables for processors */
81 /* current = acpi_create_madt_lapic_nmis(current, 5, 1); */
82 /* 1: LINT1 connect to NMI */
87 unsigned long acpi_fill_slit(unsigned long current)
93 unsigned long acpi_fill_srat(unsigned long current)
95 /* No NUMA, no SRAT */
99 unsigned long write_acpi_tables(unsigned long start)
101 unsigned long current;
113 get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
115 /* Align ACPI tables to 16 bytes */
116 start = (start + 0x0f) & -0x10;
119 printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start);
121 /* We need at least an RSDP and an RSDT Table */
122 rsdp = (acpi_rsdp_t *) current;
123 current += sizeof(acpi_rsdp_t);
124 rsdt = (acpi_rsdt_t *) current;
125 current += sizeof(acpi_rsdt_t);
127 /* clear all table memory */
128 memset((void *)start, 0, current - start);
130 acpi_write_rsdp(rsdp, rsdt, NULL);
131 acpi_write_rsdt(rsdt);
134 * We explicitly add these tables later on:
136 current = ( current + 0x07) & -0x08;
137 printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current);
138 hpet = (acpi_hpet_t *) current;
139 current += sizeof(acpi_hpet_t);
140 acpi_create_hpet(hpet);
141 acpi_add_table(rsdp, hpet);
143 /* If we want to use HPET Timers Linux wants an MADT */
144 current = ( current + 0x07) & -0x08;
145 printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current);
146 madt = (acpi_madt_t *) current;
147 acpi_create_madt(madt);
148 current += madt->header.length;
149 acpi_add_table(rsdp, madt);
152 current = ( current + 0x07) & -0x08;
153 printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current);
154 srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT);
156 memcpy(current, srat, srat->header.length);
157 srat = (acpi_srat_t *) current;
158 //acpi_create_srat(srat);
159 current += srat->header.length;
160 acpi_add_table(rsdp, srat);
164 current = ( current + 0x07) & -0x08;
165 printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current);
166 slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT);
168 memcpy(current, slit, slit->header.length);
169 slit = (acpi_slit_t *) current;
170 //acpi_create_slit(slit);
171 current += slit->header.length;
172 acpi_add_table(rsdp, slit);
176 current = ( current + 0x0f) & -0x10;
177 printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current);
178 ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
180 memcpy(current, ssdt, ssdt->length);
181 ssdt = (acpi_header_t *) current;
182 current += ssdt->length;
185 ssdt = (acpi_header_t *) current;
186 memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
187 current += ssdt->length;
188 memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
190 char *position = ssdt;
191 if (memcmp (position + 50, "TOM1", 4) == 0)
192 *(u32 *) (position + 55) = __readmsr (0xc001001a);
194 /* recalculate checksum */
196 ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
198 acpi_add_table(rsdp,ssdt);
200 printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current);
203 current = ( current + 0x07) & -0x08;
204 printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current);
205 dsdt = (acpi_header_t *)current; // it will used by fadt
206 memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
207 current += dsdt->length;
208 memcpy(dsdt, &AmlCode, dsdt->length);
209 printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length);
211 /* FACS */ // it needs 64 bit alignment
212 current = ( current + 0x07) & -0x08;
213 printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
214 facs = (acpi_facs_t *) current; // it will be used by fadt
215 current += sizeof(acpi_facs_t);
216 acpi_create_facs(facs);
219 current = ( current + 0x07) & -0x08;
220 printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current);
221 fadt = (acpi_fadt_t *) current;
222 current += sizeof(acpi_fadt_t);
224 acpi_create_fadt(fadt, facs, dsdt);
225 acpi_add_table(rsdp, fadt);
227 #if DUMP_ACPI_TABLES == 1
228 printk(BIOS_DEBUG, "rsdp\n");
229 dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
231 printk(BIOS_DEBUG, "rsdt\n");
232 dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
234 printk(BIOS_DEBUG, "madt\n");
235 dump_mem(madt, ((void *)madt) + madt->header.length);
237 printk(BIOS_DEBUG, "srat\n");
238 dump_mem(srat, ((void *)srat) + srat->header.length);
240 printk(BIOS_DEBUG, "slit\n");
241 dump_mem(slit, ((void *)slit) + slit->header.length);
243 printk(BIOS_DEBUG, "ssdt\n");
244 dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
246 printk(BIOS_DEBUG, "fadt\n");
247 dump_mem(fadt, ((void *)fadt) + fadt->header.length);
250 printk(BIOS_INFO, "ACPI: done.\n");