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 <device/pci.h>
24 #include <device/pci_ids.h>
25 #include <cpu/x86/msr.h>
26 #include <cpu/amd/mtrr.h>
27 #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_debug("\n%08x:", i);
43 printk_debug(" %02x", (unsigned char)*((unsigned char *)i));
50 extern u8 AmlCode_ssdt[];
52 #if CONFIG_ACPI_SSDTX_NUM >= 1
53 extern u8 AmlCode_ssdt2[];
54 extern u8 AmlCode_ssdt3[];
55 extern u8 AmlCode_ssdt4[];
56 extern u8 AmlCode_ssdt5[];
59 #define IO_APIC_ADDR 0xfec00000UL
61 unsigned long acpi_fill_mcfg(unsigned long current)
67 unsigned long acpi_fill_madt(unsigned long current)
69 /* create all subtables for processors */
70 current = acpi_create_madt_lapics(current);
72 /* Write SB700 IOAPIC, only one */
73 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2,
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);
80 /* 0: mean bus 0--->ISA */
83 /* 5 mean: 0101 --> Edige-triggered, Active high */
85 /* create all subtables for processors */
86 /* current = acpi_create_madt_lapic_nmis(current, 5, 1); */
87 /* 1: LINT1 connect to NMI */
92 extern void get_bus_conf(void);
93 extern void update_ssdt(void *ssdt);
96 static void update_ssdtx(void *ssdtx, int i)
107 *PCI = (u8) ('4' + i - 1);
110 *PCI = (u8) ('A' + i - 1 - 6);
115 /* FIXME: need to update the GSI id in the ssdtx too */
119 unsigned long write_acpi_tables(unsigned long start)
121 unsigned long current;
132 acpi_header_t *ssdtx;
137 get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn
139 /* Align ACPI tables to 16 bytes */
140 start = ( start + 0x0f) & -0x10;
143 printk_info("ACPI: Writing ACPI tables at %lx...\n", start);
145 /* We need at least an RSDP and an RSDT Table */
146 rsdp = (acpi_rsdp_t *) current;
147 current += sizeof(acpi_rsdp_t);
148 rsdt = (acpi_rsdt_t *) current;
149 current += sizeof(acpi_rsdt_t);
151 /* clear all table memory */
152 memset((void *)start, 0, current - start);
154 acpi_write_rsdp(rsdp, rsdt, NULL);
155 acpi_write_rsdt(rsdt);
158 * We explicitly add these tables later on:
160 current = ( current + 0x07) & -0x08;
161 printk_debug("ACPI: * HPET at %lx\n", current);
162 hpet = (acpi_hpet_t *) current;
163 current += sizeof(acpi_hpet_t);
164 acpi_create_hpet(hpet);
165 acpi_add_table(rsdp,hpet);
167 /* If we want to use HPET Timers Linux wants an MADT */
168 current = ( current + 0x07) & -0x08;
169 printk_debug("ACPI: * MADT at %lx\n",current);
170 madt = (acpi_madt_t *) current;
171 acpi_create_madt(madt);
172 current+=madt->header.length;
173 acpi_add_table(rsdp,madt);
176 current = ( current + 0x07) & -0x08;
177 printk_debug("ACPI: * SRAT at %lx\n", current);
178 srat = (acpi_srat_t *) current;
179 acpi_create_srat(srat);
180 current+=srat->header.length;
181 acpi_add_table(rsdp,srat);
184 current = ( current + 0x07) & -0x08;
185 printk_debug("ACPI: * SLIT at %lx\n", current);
186 slit = (acpi_slit_t *) current;
187 acpi_create_slit(slit);
188 current+=slit->header.length;
189 acpi_add_table(rsdp,slit);
192 current = ( current + 0x0f) & -0x10;
193 printk_debug("ACPI: * SSDT at %lx\n", current);
194 ssdt = (acpi_header_t *)current;
195 current += ((acpi_header_t *)AmlCode_ssdt)->length;
196 memcpy((void *)ssdt, (void *)AmlCode_ssdt, ((acpi_header_t *)AmlCode_ssdt)->length);
197 //Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
198 update_ssdt((void*)ssdt);
199 /* recalculate checksum */
201 ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
202 acpi_add_table(rsdp,ssdt);
204 printk_debug("ACPI: * SSDT for PState at %lx\n", current);
205 current = acpi_add_ssdt_pstates(rsdp, current);
207 #if 0 //CONFIG_ACPI_SSDTX_NUM >= 1
209 /* same htio, but different possition? We may have to copy,
210 change HCIN, and recalculate the checknum and add_table */
212 for(i=1;i<sysconf.hc_possible_num;i++) { // 0: is hc sblink
213 if((sysconf.pci1234[i] & 1) != 1 ) continue;
216 c = (u8) ('4' + i - 1);
219 c = (u8) ('A' + i - 1 - 6);
221 current = ( current + 0x07) & -0x08;
222 printk_debug("ACPI: * SSDT for PCI%c at %lx\n", c, current); //pci0 and pci1 are in dsdt
223 ssdtx = (acpi_header_t *)current;
224 switch(sysconf.hcid[i]) {
238 current += ((acpi_header_t *)p)->length;
239 memcpy((void *)ssdtx, (void *)p, ((acpi_header_t *)p)->length);
240 update_ssdtx((void *)ssdtx, i);
242 ssdtx->checksum = acpi_checksum((unsigned char *)ssdtx,ssdtx->length);
243 acpi_add_table(rsdp,ssdtx);
248 current = ( current + 0x07) & -0x08;
249 printk_debug("ACPI: * DSDT at %lx\n", current);
250 dsdt = (acpi_header_t *)current; // it will used by fadt
251 current += ((acpi_header_t *)AmlCode)->length;
252 memcpy((void *)dsdt,(void *)AmlCode, \
253 ((acpi_header_t *)AmlCode)->length);
254 printk_debug("ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length);
256 /* FACS */ // it needs 64 bit alignment
257 current = ( current + 0x07) & -0x08;
258 printk_debug("ACPI: * FACS at %lx\n", current);
259 facs = (acpi_facs_t *) current; // it will be used by fadt
260 current += sizeof(acpi_facs_t);
261 acpi_create_facs(facs);
264 current = ( current + 0x07) & -0x08;
265 printk_debug("ACPI: * FADT at %lx\n", current);
266 fadt = (acpi_fadt_t *) current;
267 current += sizeof(acpi_fadt_t);
269 acpi_create_fadt(fadt,facs,dsdt);
270 acpi_add_table(rsdp,fadt);
272 #if DUMP_ACPI_TABLES == 1
273 printk_debug("rsdp\n");
274 dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
276 printk_debug("rsdt\n");
277 dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
279 printk_debug("madt\n");
280 dump_mem(madt, ((void *)madt) + madt->header.length);
282 printk_debug("srat\n");
283 dump_mem(srat, ((void *)srat) + srat->header.length);
285 printk_debug("slit\n");
286 dump_mem(slit, ((void *)slit) + slit->header.length);
288 printk_debug("ssdt\n");
289 dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
291 printk_debug("fadt\n");
292 dump_mem(fadt, ((void *)fadt) + fadt->header.length);
295 printk_info("ACPI: done.\n");