2 * This file is part of the coreboot project.
4 * Copyright (C) 2010 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>
29 #include "mb_sysconf.h"
31 #define DUMP_ACPI_TABLES 0
33 #if DUMP_ACPI_TABLES == 1
34 static void dump_mem(u32 start, u32 end)
38 print_debug("dump_mem:");
39 for (i = start; i < end; i++) {
41 printk(BIOS_DEBUG, "\n%08x:", i);
43 printk(BIOS_DEBUG, " %02x", (u8)*((u8 *)i));
49 extern const unsigned char AmlCode[];
50 extern const unsigned char AmlCode_ssdt[];
52 #if CONFIG_ACPI_SSDTX_NUM >= 1
53 extern const unsigned char AmlCode_ssdt2[];
54 extern const unsigned char AmlCode_ssdt3[];
55 extern const unsigned char AmlCode_ssdt4[];
56 extern const unsigned char AmlCode_ssdt5[];
59 unsigned long acpi_fill_mcfg(unsigned long current)
65 unsigned long acpi_fill_madt(unsigned long current)
67 /* create all subtables for processors */
68 current = acpi_create_madt_lapics(current);
70 /* Write SB700 IOAPIC, only one */
71 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2,
74 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
76 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
77 current, 0, 9, 9, 0xF);
78 /* 0: mean bus 0--->ISA */
81 /* 5 mean: 0101 --> Edige-triggered, Active high */
83 /* create all subtables for processors */
84 /* current = acpi_create_madt_lapic_nmis(current, 5, 1); */
85 /* 1: LINT1 connect to NMI */
90 unsigned long write_acpi_tables(unsigned long start)
92 unsigned long current;
103 #if CONFIG_ACPI_SSDTX_NUM >= 1
104 acpi_header_t *ssdtx;
109 get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
111 /* Align ACPI tables to 16 bytes */
112 start = (start + 0x0f) & -0x10;
115 printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start);
117 /* We need at least an RSDP and an RSDT Table */
118 rsdp = (acpi_rsdp_t *) current;
119 current += sizeof(acpi_rsdp_t);
120 rsdt = (acpi_rsdt_t *) current;
121 current += sizeof(acpi_rsdt_t);
123 /* clear all table memory */
124 memset((void *)start, 0, current - start);
126 acpi_write_rsdp(rsdp, rsdt, NULL);
127 acpi_write_rsdt(rsdt);
130 current = ( current + 0x07) & -0x08;
131 printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current);
132 dsdt = (acpi_header_t *)current; // it will used by fadt
133 memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
134 current += dsdt->length;
135 memcpy(dsdt, &AmlCode, dsdt->length);
136 printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length);
138 /* FACS */ // it needs 64 bit alignment
139 current = ( current + 0x07) & -0x08;
140 printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
141 facs = (acpi_facs_t *) current; // it will be used by fadt
142 current += sizeof(acpi_facs_t);
143 acpi_create_facs(facs);
146 current = ( current + 0x07) & -0x08;
147 printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current);
148 fadt = (acpi_fadt_t *) current;
149 current += sizeof(acpi_fadt_t);
151 acpi_create_fadt(fadt, facs, dsdt);
152 acpi_add_table(rsdp, fadt);
155 * We explicitly add these tables later on:
157 current = ( current + 0x07) & -0x08;
158 printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current);
159 hpet = (acpi_hpet_t *) current;
160 current += sizeof(acpi_hpet_t);
161 acpi_create_hpet(hpet);
162 acpi_add_table(rsdp, hpet);
164 /* If we want to use HPET Timers Linux wants an MADT */
165 current = ( current + 0x07) & -0x08;
166 printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current);
167 madt = (acpi_madt_t *) current;
168 acpi_create_madt(madt);
169 current += madt->header.length;
170 acpi_add_table(rsdp, madt);
173 current = ( current + 0x07) & -0x08;
174 printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current);
175 srat = (acpi_srat_t *) current;
176 acpi_create_srat(srat);
177 current += srat->header.length;
178 acpi_add_table(rsdp, srat);
181 current = ( current + 0x07) & -0x08;
182 printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current);
183 slit = (acpi_slit_t *) current;
184 acpi_create_slit(slit);
185 current += slit->header.length;
186 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 *)current;
192 memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
193 current += ssdt->length;
194 memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
195 //Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
196 update_ssdt((void*)ssdt);
197 /* recalculate checksum */
199 ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
200 acpi_add_table(rsdp,ssdt);
202 printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current);
203 current = acpi_add_ssdt_pstates(rsdp, current);
205 #if CONFIG_ACPI_SSDTX_NUM >= 1
207 /* same htio, but different position? We may have to copy,
208 change HCIN, and recalculate the checknum and add_table */
210 for(i=1;i<sysconf.hc_possible_num;i++) { // 0: is hc sblink
211 if((sysconf.pci1234[i] & 1) != 1 ) continue;
214 c = (u8) ('4' + i - 1);
216 c = (u8) ('A' + i - 1 - 6);
218 current = ( current + 0x07) & -0x08;
219 printk(BIOS_DEBUG, "ACPI: * SSDT for PCI%c at %lx\n", c, current); //pci0 and pci1 are in dsdt
220 ssdtx = (acpi_header_t *)current;
221 switch (sysconf.hcid[i]) {
236 memcpy(ssdtx, p, sizeof(acpi_header_t));
237 current += ssdtx->length;
238 memcpy(ssdtx, p, ssdtx->length);
239 update_ssdtx((void *)ssdtx, i);
241 ssdtx->checksum = acpi_checksum((u8 *)ssdtx, ssdtx->length);
242 acpi_add_table(rsdp, ssdtx);
246 #if DUMP_ACPI_TABLES == 1
247 printk(BIOS_DEBUG, "rsdp\n");
248 dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
250 printk(BIOS_DEBUG, "rsdt\n");
251 dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
253 printk(BIOS_DEBUG, "madt\n");
254 dump_mem(madt, ((void *)madt) + madt->header.length);
256 printk(BIOS_DEBUG, "srat\n");
257 dump_mem(srat, ((void *)srat) + srat->header.length);
259 printk(BIOS_DEBUG, "slit\n");
260 dump_mem(slit, ((void *)slit) + slit->header.length);
262 printk(BIOS_DEBUG, "ssdt\n");
263 dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
265 printk(BIOS_DEBUG, "fadt\n");
266 dump_mem(fadt, ((void *)fadt) + fadt->header.length);
269 printk(BIOS_INFO, "ACPI: done.\n");