1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <string.h>
#include <arch/acpi.h>
#include <arch/ioapic.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#include <cpu/amd/amdk8_sysconf.h>
#include "northbridge/amd/amdk8/acpi.h"
#include <arch/cpu.h>
#include <cpu/amd/model_fxx_powernow.h>
extern u16 pm_base;
#define DUMP_ACPI_TABLES 0
/*
* Assume the max pstate number is 8
* 0x21(33 bytes) is one package length of _PSS package
*/
#define Maxpstate 8
#define Defpkglength 0x21
#if DUMP_ACPI_TABLES == 1
static void dump_mem(u32 start, u32 end)
{
u32 i;
print_debug("dump_mem:");
for (i = start; i < end; i++) {
if ((i & 0xf) == 0) {
printk(BIOS_DEBUG, "\n%08x:", i);
}
printk(BIOS_DEBUG, " %02x", (u8)*((u8 *)i));
}
print_debug("\n");
}
#endif
extern const unsigned char AmlCode[];
unsigned long acpi_fill_mcfg(unsigned long current)
{
/* Just a dummy */
return current;
}
unsigned long acpi_fill_madt(unsigned long current)
{
/* create all subtables for processors */
current = acpi_create_madt_lapics(current);
/* Write SB600 IOAPIC, only one */
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2,
IO_APIC_ADDR, 0);
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
current, 0, 0, 2, 0);
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
current, 0, 9, 9, 0xF);
/* 0: mean bus 0--->ISA */
/* 0: PIC 0 */
/* 2: APIC 2 */
/* 5 mean: 0101 --> Edige-triggered, Active high */
/* create all subtables for processors */
/* current = acpi_create_madt_lapic_nmis(current, 5, 1); */
/* 1: LINT1 connect to NMI */
return current;
}
unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) {
k8acpi_write_vars();
amd_model_fxx_generate_powernow(pm_base + 8, 6, 1);
return (unsigned long) (acpigen_get_current());
}
unsigned long write_acpi_tables(unsigned long start)
{
unsigned long current;
acpi_rsdp_t *rsdp;
acpi_rsdt_t *rsdt;
acpi_hpet_t *hpet;
acpi_madt_t *madt;
acpi_fadt_t *fadt;
acpi_facs_t *facs;
acpi_header_t *dsdt;
acpi_header_t *ssdt;
get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
/* Align ACPI tables to 16byte */
start = (start + 0x0f) & -0x10;
current = start;
printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start);
/* We need at least an RSDP and an RSDT Table */
rsdp = (acpi_rsdp_t *) current;
current += sizeof(acpi_rsdp_t);
rsdt = (acpi_rsdt_t *) current;
current += sizeof(acpi_rsdt_t);
/* clear all table memory */
memset((void *)start, 0, current - start);
acpi_write_rsdp(rsdp, rsdt, NULL);
acpi_write_rsdt(rsdt);
/*
* We explicitly add these tables later on:
*/
/* If we want to use HPET Timers Linux wants an MADT */
printk(BIOS_DEBUG, "ACPI: * HPET\n");
hpet = (acpi_hpet_t *) current;
current += sizeof(acpi_hpet_t);
acpi_create_hpet(hpet);
acpi_add_table(rsdp, hpet);
printk(BIOS_DEBUG, "ACPI: * MADT\n");
madt = (acpi_madt_t *) current;
acpi_create_madt(madt);
current += madt->header.length;
acpi_add_table(rsdp, madt);
/* SSDT */
printk(BIOS_DEBUG, "ACPI: * SSDT\n");
ssdt = (acpi_header_t *)current;
acpi_create_ssdt_generator(ssdt, "DYNADATA");
current += ssdt->length;
acpi_add_table(rsdp, ssdt);
/* FACS */
printk(BIOS_DEBUG, "ACPI: * FACS\n");
facs = (acpi_facs_t *) current;
current += sizeof(acpi_facs_t);
acpi_create_facs(facs);
/* DSDT */
printk(BIOS_DEBUG, "ACPI: * DSDT\n");
dsdt = (acpi_header_t *) current;
memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
current += dsdt->length;
memcpy(dsdt, &AmlCode, dsdt->length);
printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, dsdt->length);
/* FADT */
printk(BIOS_DEBUG, "ACPI: * FADT\n");
fadt = (acpi_fadt_t *) current;
current += sizeof(acpi_fadt_t);
acpi_create_fadt(fadt, facs, dsdt);
acpi_add_table(rsdp, fadt);
#if DUMP_ACPI_TABLES == 1
printk(BIOS_DEBUG, "rsdp\n");
dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
printk(BIOS_DEBUG, "rsdt\n");
dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
printk(BIOS_DEBUG, "madt\n");
dump_mem(madt, ((void *)madt) + madt->header.length);
printk(BIOS_DEBUG, "ssdt\n");
dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
printk(BIOS_DEBUG, "fadt\n");
dump_mem(fadt, ((void *)fadt) + fadt->header.length);
#endif
printk(BIOS_INFO, "ACPI: done.\n");
return current;
}
|
