2 * This file is part of the coreboot project.
4 * Copyright (C) 2008 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
21 * ACPI - create the Fixed ACPI Description Tables (FADT)
25 #include <console/console.h>
26 #include <arch/acpi.h>
28 #include <device/device.h>
29 #include "southbridge/amd/sb600/sb600.h"
31 /*extern*/ u16 pm_base
= 0x800;
32 /* pm_base should be set in sb acpi */
33 /* pm_base should be got from bar2 of rs690. Here I compact ACPI
34 * registers into 32 bytes limit.
37 #define ACPI_PM_EVT_BLK (pm_base + 0x00) /* 4 bytes */
38 #define ACPI_PM1_CNT_BLK (pm_base + 0x04) /* 2 bytes */
39 #define ACPI_PMA_CNT_BLK (pm_base + 0x0F) /* 1 byte */
40 #define ACPI_PM_TMR_BLK (pm_base + 0x18) /* 4 bytes */
41 #define ACPI_GPE0_BLK (pm_base + 0x10) /* 8 bytes */
42 #define ACPI_CPU_CONTORL (pm_base + 0x08) /* 6 bytes */
44 void acpi_create_fadt(acpi_fadt_t
* fadt
, acpi_facs_t
* facs
, void *dsdt
)
46 acpi_header_t
*header
= &(fadt
->header
);
49 printk(BIOS_DEBUG
, "pm_base: 0x%04x\n", pm_base
);
51 /* Prepare the header */
52 memset((void *)fadt
, 0, sizeof(acpi_fadt_t
));
53 memcpy(header
->signature
, "FACP", 4);
56 memcpy(header
->oem_id
, OEM_ID
, 6);
57 memcpy(header
->oem_table_id
, ACPI_TABLE_CREATOR
, 8);
58 memcpy(header
->asl_compiler_id
, ASLC
, 4);
59 header
->asl_compiler_revision
= 0;
61 fadt
->firmware_ctrl
= (u32
) facs
;
62 fadt
->dsdt
= (u32
) dsdt
;
63 /* 3=Workstation,4=Enterprise Server, 7=Performance Server */
64 fadt
->preferred_pm_profile
= 0x03;
66 /* disable system management mode by setting to 0: */
68 fadt
->acpi_enable
= 0xf0;
69 fadt
->acpi_disable
= 0xf1;
70 fadt
->s4bios_req
= 0x0;
71 fadt
->pstate_cnt
= 0xe2;
73 pm_iowrite(0x20, ACPI_PM_EVT_BLK
& 0xFF);
74 pm_iowrite(0x21, ACPI_PM_EVT_BLK
>> 8);
75 pm_iowrite(0x22, ACPI_PM1_CNT_BLK
& 0xFF);
76 pm_iowrite(0x23, ACPI_PM1_CNT_BLK
>> 8);
77 pm_iowrite(0x24, ACPI_PM_TMR_BLK
& 0xFF);
78 pm_iowrite(0x25, ACPI_PM_TMR_BLK
>> 8);
79 pm_iowrite(0x28, ACPI_GPE0_BLK
& 0xFF);
80 pm_iowrite(0x29, ACPI_GPE0_BLK
>> 8);
82 /* CpuControl is in \_PR.CPU0, 6 bytes */
83 pm_iowrite(0x26, ACPI_CPU_CONTORL
& 0xFF);
84 pm_iowrite(0x27, ACPI_CPU_CONTORL
>> 8);
86 pm_iowrite(0x2A, 0); /* AcpiSmiCmdLo */
87 pm_iowrite(0x2B, 0); /* AcpiSmiCmdHi */
89 pm_iowrite(0x2C, ACPI_PMA_CNT_BLK
& 0xFF);
90 pm_iowrite(0x2D, ACPI_PMA_CNT_BLK
>> 8);
92 pm_iowrite(0x0E, 1<<3 | 0<<2); /* AcpiDecodeEnable, When set, SB uses
93 * the contents of the PM registers at
94 * index 20-2B to decode ACPI I/O address.
95 * AcpiSmiEn & SmiCmdEn*/
96 pm_iowrite(0x10, 1<<1 | 1<<3| 1<<5); /* RTC_En_En, TMR_En_En, GBL_EN_EN */
97 outl(0x1, ACPI_PM1_CNT_BLK
); /* set SCI_EN */
99 fadt
->pm1a_evt_blk
= ACPI_PM_EVT_BLK
;
100 fadt
->pm1b_evt_blk
= 0x0000;
101 fadt
->pm1a_cnt_blk
= ACPI_PM1_CNT_BLK
;
102 fadt
->pm1b_cnt_blk
= 0x0000;
103 fadt
->pm2_cnt_blk
= ACPI_PMA_CNT_BLK
;
104 fadt
->pm_tmr_blk
= ACPI_PM_TMR_BLK
;
105 fadt
->gpe0_blk
= ACPI_GPE0_BLK
;
106 fadt
->gpe1_blk
= 0x0000; /* we dont have gpe1 block, do we? */
108 fadt
->pm1_evt_len
= 4;
109 fadt
->pm1_cnt_len
= 2;
110 fadt
->pm2_cnt_len
= 1;
111 fadt
->pm_tmr_len
= 4;
112 fadt
->gpe0_blk_len
= 8;
113 fadt
->gpe1_blk_len
= 0;
116 fadt
->cst_cnt
= 0xe3;
117 fadt
->p_lvl2_lat
= 101;
118 fadt
->p_lvl3_lat
= 1001;
119 fadt
->flush_size
= 0;
120 fadt
->flush_stride
= 0;
121 fadt
->duty_offset
= 1;
122 fadt
->duty_width
= 3;
123 fadt
->day_alrm
= 0; /* 0x7d these have to be */
124 fadt
->mon_alrm
= 0; /* 0x7e added to cmos.layout */
125 fadt
->century
= 0; /* 0x7f to make rtc alrm work */
126 fadt
->iapc_boot_arch
= 0x3; /* See table 5-11 */
127 fadt
->flags
= 0x0001c1a5;/* 0x25; */
131 fadt
->reset_reg
.space_id
= 1;
132 fadt
->reset_reg
.bit_width
= 8;
133 fadt
->reset_reg
.bit_offset
= 0;
134 fadt
->reset_reg
.resv
= 0;
135 fadt
->reset_reg
.addrl
= 0xcf9;
136 fadt
->reset_reg
.addrh
= 0x0;
138 fadt
->reset_value
= 6;
139 fadt
->x_firmware_ctl_l
= (u32
) facs
;
140 fadt
->x_firmware_ctl_h
= 0;
141 fadt
->x_dsdt_l
= (u32
) dsdt
;
144 fadt
->x_pm1a_evt_blk
.space_id
= 1;
145 fadt
->x_pm1a_evt_blk
.bit_width
= 32;
146 fadt
->x_pm1a_evt_blk
.bit_offset
= 0;
147 fadt
->x_pm1a_evt_blk
.resv
= 0;
148 fadt
->x_pm1a_evt_blk
.addrl
= ACPI_PM_EVT_BLK
;
149 fadt
->x_pm1a_evt_blk
.addrh
= 0x0;
151 fadt
->x_pm1b_evt_blk
.space_id
= 1;
152 fadt
->x_pm1b_evt_blk
.bit_width
= 4;
153 fadt
->x_pm1b_evt_blk
.bit_offset
= 0;
154 fadt
->x_pm1b_evt_blk
.resv
= 0;
155 fadt
->x_pm1b_evt_blk
.addrl
= 0x0;
156 fadt
->x_pm1b_evt_blk
.addrh
= 0x0;
158 fadt
->x_pm1a_cnt_blk
.space_id
= 1;
159 fadt
->x_pm1a_cnt_blk
.bit_width
= 16;
160 fadt
->x_pm1a_cnt_blk
.bit_offset
= 0;
161 fadt
->x_pm1a_cnt_blk
.resv
= 0;
162 fadt
->x_pm1a_cnt_blk
.addrl
= ACPI_PM1_CNT_BLK
;
163 fadt
->x_pm1a_cnt_blk
.addrh
= 0x0;
165 fadt
->x_pm1b_cnt_blk
.space_id
= 1;
166 fadt
->x_pm1b_cnt_blk
.bit_width
= 2;
167 fadt
->x_pm1b_cnt_blk
.bit_offset
= 0;
168 fadt
->x_pm1b_cnt_blk
.resv
= 0;
169 fadt
->x_pm1b_cnt_blk
.addrl
= 0x0;
170 fadt
->x_pm1b_cnt_blk
.addrh
= 0x0;
172 fadt
->x_pm2_cnt_blk
.space_id
= 1;
173 fadt
->x_pm2_cnt_blk
.bit_width
= 0;
174 fadt
->x_pm2_cnt_blk
.bit_offset
= 0;
175 fadt
->x_pm2_cnt_blk
.resv
= 0;
176 fadt
->x_pm2_cnt_blk
.addrl
= ACPI_PMA_CNT_BLK
;
177 fadt
->x_pm2_cnt_blk
.addrh
= 0x0;
179 fadt
->x_pm_tmr_blk
.space_id
= 1;
180 fadt
->x_pm_tmr_blk
.bit_width
= 32;
181 fadt
->x_pm_tmr_blk
.bit_offset
= 0;
182 fadt
->x_pm_tmr_blk
.resv
= 0;
183 fadt
->x_pm_tmr_blk
.addrl
= ACPI_PM_TMR_BLK
;
184 fadt
->x_pm_tmr_blk
.addrh
= 0x0;
186 fadt
->x_gpe0_blk
.space_id
= 1;
187 fadt
->x_gpe0_blk
.bit_width
= 32;
188 fadt
->x_gpe0_blk
.bit_offset
= 0;
189 fadt
->x_gpe0_blk
.resv
= 0;
190 fadt
->x_gpe0_blk
.addrl
= ACPI_GPE0_BLK
;
191 fadt
->x_gpe0_blk
.addrh
= 0x0;
193 fadt
->x_gpe1_blk
.space_id
= 1;
194 fadt
->x_gpe1_blk
.bit_width
= 0;
195 fadt
->x_gpe1_blk
.bit_offset
= 0;
196 fadt
->x_gpe1_blk
.resv
= 0;
197 fadt
->x_gpe1_blk
.addrl
= 0;
198 fadt
->x_gpe1_blk
.addrh
= 0x0;
200 header
->checksum
= acpi_checksum((void *)fadt
, sizeof(acpi_fadt_t
));