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>
25 #include <device/pci.h>
26 #include <device/pci_ids.h>
27 #include <cpu/x86/msr.h>
28 #include "agesawrapper.h"
29 #include <cpu/amd/mtrr.h>
30 #include <cpu/amd/amdfam12.h>
32 #define DUMP_ACPI_TABLES 0
33 extern u32 apicid_sb900;
36 #if DUMP_ACPI_TABLES == 1
38 static void dump_mem(u32 start, u32 end)
42 print_debug("dump_mem:");
43 for (i = start; i < end; i++) {
45 printk(BIOS_DEBUG, "\n%08x:", i);
47 printk(BIOS_DEBUG, " %02x", (u8)*((u8 *)i));
53 extern const unsigned char AmlCode[];
54 extern const unsigned char AmlCode_ssdt[];
57 unsigned long acpi_fill_mcfg(unsigned long current)
63 unsigned long acpi_fill_madt(unsigned long current)
66 /* create all subtables for processors */
67 current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 0, 0);
68 current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 1, 1);
69 current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 2, 2);
70 current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 3, 3);
72 /* Write SB900 IOAPIC, only one */
73 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, apicid_sb900,
76 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
78 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
79 current, 0, 9, 9, 0xF);
81 /* 0: mean bus 0--->ISA */
84 /* 5 mean: 0101 --> Edige-triggered, Active high */
86 /* create all subtables for processors */
87 current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, 0, 5, 1);
88 current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, 1, 5, 1);
89 current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, 2, 5, 1);
90 current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, 3, 5, 1);
91 /* 1: LINT1 connect to NMI */
96 unsigned long acpi_fill_slit(unsigned long current)
102 unsigned long acpi_fill_srat(unsigned long current)
104 /* No NUMA, no SRAT */
108 unsigned long write_acpi_tables(unsigned long start)
110 unsigned long current;
113 #if 0 // Don't need HPET table.
124 get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
126 /* Align ACPI tables to 16 bytes */
127 start = (start + 0x0f) & -0x10;
130 printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start);
132 /* We need at least an RSDP and an RSDT Table */
133 rsdp = (acpi_rsdp_t *) current;
134 current += sizeof(acpi_rsdp_t);
135 rsdt = (acpi_rsdt_t *) current;
136 current += sizeof(acpi_rsdt_t);
138 /* clear all table memory */
139 memset((void *)start, 0, current - start);
141 acpi_write_rsdp(rsdp, rsdt, NULL);
142 acpi_write_rsdt(rsdt);
145 * We explicitly add these tables later on:
147 #if 0 // Don't need HPET table.
148 current = ( current + 0x07) & -0x08;
149 printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current);
150 hpet = (acpi_hpet_t *) current;
151 current += sizeof(acpi_hpet_t);
152 acpi_create_hpet(hpet);
153 acpi_add_table(rsdp, hpet);
156 /* If we want to use HPET Timers Linux wants an MADT */
157 current = ( current + 0x07) & -0x08;
158 printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current);
159 madt = (acpi_madt_t *) current;
160 acpi_create_madt(madt);
161 current += madt->header.length;
162 acpi_add_table(rsdp, madt);
165 current = ( current + 0x07) & -0x08;
166 printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current);
167 srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT);
169 memcpy((void *)current, srat, srat->header.length);
170 srat = (acpi_srat_t *) current;
171 //acpi_create_srat(srat);
172 current += srat->header.length;
173 acpi_add_table(rsdp, srat);
177 current = ( current + 0x07) & -0x08;
178 printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current);
179 slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT);
181 memcpy((void *)current, slit, slit->header.length);
182 slit = (acpi_slit_t *) current;
183 //acpi_create_slit(slit);
184 current += slit->header.length;
185 acpi_add_table(rsdp, slit);
189 current = ( current + 0x0f) & -0x10;
190 printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current);
191 ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
193 memcpy((void *)current, ssdt, ssdt->length);
194 ssdt = (acpi_header_t *) current;
195 current += ssdt->length;
198 ssdt = (acpi_header_t *) current;
199 memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
200 current += ssdt->length;
201 memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
202 /* recalculate checksum */
204 ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
206 acpi_add_table(rsdp,ssdt);
208 printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current);
211 current = ( current + 0x07) & -0x08;
212 printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current);
213 dsdt = (acpi_header_t *)current; // it will used by fadt
214 memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
215 current += dsdt->length;
216 memcpy(dsdt, &AmlCode, dsdt->length);
217 printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length);
219 /* FACS */ // it needs 64 bit alignment
220 current = ( current + 0x07) & -0x08;
221 printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
222 facs = (acpi_facs_t *) current; // it will be used by fadt
223 current += sizeof(acpi_facs_t);
224 acpi_create_facs(facs);
227 current = ( current + 0x07) & -0x08;
228 printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current);
229 fadt = (acpi_fadt_t *) current;
230 current += sizeof(acpi_fadt_t);
232 acpi_create_fadt(fadt, facs, dsdt);
233 acpi_add_table(rsdp, fadt);
235 #if DUMP_ACPI_TABLES == 1
236 printk(BIOS_DEBUG, "rsdp\n");
237 dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
239 printk(BIOS_DEBUG, "rsdt\n");
240 dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
242 printk(BIOS_DEBUG, "madt\n");
243 dump_mem(madt, ((void *)madt) + madt->header.length);
245 printk(BIOS_DEBUG, "srat\n");
246 dump_mem(srat, ((void *)srat) + srat->header.length);
248 printk(BIOS_DEBUG, "slit\n");
249 dump_mem(slit, ((void *)slit) + slit->header.length);
251 printk(BIOS_DEBUG, "ssdt\n");
252 dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
254 printk(BIOS_DEBUG, "fadt\n");
255 dump_mem(fadt, ((void *)fadt) + fadt->header.length);
258 printk(BIOS_INFO, "ACPI: done.\n");