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/amdk8_sysconf.h>
29 #include "northbridge/amd/amdk8/amdk8_acpi.h"
31 #include <cpu/amd/model_fxx_powernow.h>
35 #define DUMP_ACPI_TABLES 0
38 * Assume the max pstate number is 8
39 * 0x21(33 bytes) is one package length of _PSS package
43 #define Defpkglength 0x21
45 #if DUMP_ACPI_TABLES == 1
46 static void dump_mem(u32 start, u32 end)
50 print_debug("dump_mem:");
51 for (i = start; i < end; i++) {
53 printk(BIOS_DEBUG, "\n%08x:", i);
55 printk(BIOS_DEBUG, " %02x", (u8)*((u8 *)i));
61 extern const unsigned char AmlCode[];
63 #if CONFIG_ACPI_SSDTX_NUM >= 1
64 extern const unsigned char AmlCode_ssdt2[];
65 extern const unsigned char AmlCode_ssdt3[];
66 extern const unsigned char AmlCode_ssdt4[];
67 extern const unsigned char AmlCode_ssdt5[];
70 unsigned long acpi_fill_mcfg(unsigned long current)
76 unsigned long acpi_fill_madt(unsigned long current)
78 /* create all subtables for processors */
79 current = acpi_create_madt_lapics(current);
81 /* Write SB700 IOAPIC, only one */
82 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2,
85 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
87 current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
88 current, 0, 9, 9, 0xF);
89 /* 0: mean bus 0--->ISA */
92 /* 5 mean: 0101 --> Edige-triggered, Active high */
94 /* create all subtables for processors */
95 /* current = acpi_create_madt_lapic_nmis(current, 5, 1); */
96 /* 1: LINT1 connect to NMI */
101 unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) {
103 amd_model_fxx_generate_powernow(pm_base + 8, 6, 1);
104 return (unsigned long) (acpigen_get_current());
107 unsigned long write_acpi_tables(unsigned long start)
109 unsigned long current;
118 #if CONFIG_ACPI_SSDTX_NUM >= 1
119 acpi_header_t *ssdtx;
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 we want to use HPET Timers Linux wants an MADT */
148 printk(BIOS_DEBUG, "ACPI: * HPET\n");
149 hpet = (acpi_hpet_t *) current;
150 current += sizeof(acpi_hpet_t);
151 acpi_create_hpet(hpet);
152 acpi_add_table(rsdp, hpet);
154 printk(BIOS_DEBUG, "ACPI: * MADT\n");
155 madt = (acpi_madt_t *) current;
156 acpi_create_madt(madt);
157 current += madt->header.length;
158 acpi_add_table(rsdp, madt);
161 printk(BIOS_DEBUG, "ACPI: * SSDT\n");
162 ssdt = (acpi_header_t *)current;
164 acpi_create_ssdt_generator(ssdt, "DYNADATA");
165 current += ssdt->length;
166 acpi_add_table(rsdp, ssdt);
168 #if CONFIG_ACPI_SSDTX_NUM >= 1
170 /* same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table */
172 for (i = 1; i < sysconf.hc_possible_num; i++) { /* 0: is hc sblink */
173 if ((sysconf.pci1234[i] & 1) != 1)
177 c = (u8) ('4' + i - 1);
179 c = (u8) ('A' + i - 1 - 6);
181 printk(BIOS_DEBUG, "ACPI: * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); /* pci0 and pci1 are in dsdt */
182 current = (current + 0x07) & -0x08;
183 ssdtx = (acpi_header_t *) current;
184 switch (sysconf.hcid[i]) {
199 memcpy(ssdtx, p, sizeof(acpi_header_t));
200 current += ssdtx->length;
201 memcpy(ssdtx, p, ssdtx->length);
202 update_ssdtx((void *)ssdtx, i);
204 ssdtx->checksum = acpi_checksum((u8 *)ssdtx, ssdtx->length);
205 acpi_add_table(rsdp, ssdtx);
210 printk(BIOS_DEBUG, "ACPI: * FACS\n");
211 facs = (acpi_facs_t *) current;
212 current += sizeof(acpi_facs_t);
213 acpi_create_facs(facs);
216 printk(BIOS_DEBUG, "ACPI: * DSDT\n");
217 dsdt = (acpi_header_t *)current;
218 memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
219 current += dsdt->length;
220 memcpy(dsdt, &AmlCode, dsdt->length);
221 printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, dsdt->length);
223 printk(BIOS_DEBUG, "ACPI: * FADT\n");
224 fadt = (acpi_fadt_t *) current;
225 current += sizeof(acpi_fadt_t);
227 acpi_create_fadt(fadt, facs, dsdt);
228 acpi_add_table(rsdp, fadt);
230 #if DUMP_ACPI_TABLES == 1
231 printk(BIOS_DEBUG, "rsdp\n");
232 dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
234 printk(BIOS_DEBUG, "rsdt\n");
235 dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
237 printk(BIOS_DEBUG, "madt\n");
238 dump_mem(madt, ((void *)madt) + madt->header.length);
240 printk(BIOS_DEBUG, "ssdt\n");
241 dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
243 printk(BIOS_DEBUG, "fadt\n");
244 dump_mem(fadt, ((void *)fadt) + fadt->header.length);
247 printk(BIOS_INFO, "ACPI: done.\n");