src/southbridge/amd/sb700/fadt.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2010 Advanced Micro Devices, Inc.
   5  *
   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.
   9  *
  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.
  14  *
  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
  18  */
  19
  20 /*
  21  * ACPI - create the Fixed ACPI Description Tables (FADT)
  22  */
  23
  24 #include <string.h>
  25 #include <console/console.h>
  26 #include <arch/acpi.h>
  27 #include <arch/io.h>
  28 #include <device/device.h>
  29 #include "sb700.h"
  30
  31 void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
  32 {
  33         acpi_header_t *header = &(fadt->header);
  34
  35         printk(BIOS_DEBUG, "pm_base: 0x%04x\n", SB700_ACPI_IO_BASE);
  36
  37         /* Prepare the header */
  38         memset((void *)fadt, 0, sizeof(acpi_fadt_t));
  39         memcpy(header->signature, "FACP", 4);
  40         header->length = 244;
  41         header->revision = 3;
  42         memcpy(header->oem_id, OEM_ID, 6);
  43         memcpy(header->oem_table_id, "COREBOOT", 8);
  44         memcpy(header->asl_compiler_id, ASLC, 4);
  45         header->asl_compiler_revision = 0;
  46
  47         fadt->firmware_ctrl = (u32) facs;
  48         fadt->dsdt = (u32) dsdt;
  49         /* 3=Workstation,4=Enterprise Server, 7=Performance Server */
  50         fadt->preferred_pm_profile = 0x03;
  51         fadt->sci_int = 9;
  52         /* disable system management mode by setting to 0: */
  53         fadt->smi_cmd = 0;
  54         fadt->acpi_enable = 0xf0;
  55         fadt->acpi_disable = 0xf1;
  56         fadt->s4bios_req = 0x0;
  57         fadt->pstate_cnt = 0xe2;
  58
  59         pm_iowrite(0x20, ACPI_PM_EVT_BLK & 0xFF);
  60         pm_iowrite(0x21, ACPI_PM_EVT_BLK >> 8);
  61         pm_iowrite(0x22, ACPI_PM1_CNT_BLK & 0xFF);
  62         pm_iowrite(0x23, ACPI_PM1_CNT_BLK >> 8);
  63         pm_iowrite(0x24, ACPI_PM_TMR_BLK & 0xFF);
  64         pm_iowrite(0x25, ACPI_PM_TMR_BLK >> 8);
  65         pm_iowrite(0x28, ACPI_GPE0_BLK & 0xFF);
  66         pm_iowrite(0x29, ACPI_GPE0_BLK >> 8);
  67
  68         /* CpuControl is in \_PR.CPU0, 6 bytes */
  69         pm_iowrite(0x26, ACPI_CPU_CONTROL & 0xFF);
  70         pm_iowrite(0x27, ACPI_CPU_CONTROL >> 8);
  71
  72         pm_iowrite(0x2A, 0);    /* AcpiSmiCmdLo */
  73         pm_iowrite(0x2B, 0);    /* AcpiSmiCmdHi */
  74
  75         pm_iowrite(0x2C, ACPI_PMA_CNT_BLK & 0xFF);
  76         pm_iowrite(0x2D, ACPI_PMA_CNT_BLK >> 8);
  77
  78         pm_iowrite(0x0E, 1<<3 | 0<<2); /* AcpiDecodeEnable, When set, SB uses
  79                                         * the contents of the PM registers at
  80                                         * index 20-2B to decode ACPI I/O address.
  81                                         * AcpiSmiEn & SmiCmdEn*/
  82         pm_iowrite(0x10, 1<<1 | 1<<3| 1<<5); /* RTC_En_En, TMR_En_En, GBL_EN_EN */
  83         outl(0x1, ACPI_PM1_CNT_BLK);              /* set SCI_EN */
  84
  85         fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
  86         fadt->pm1b_evt_blk = 0x0000;
  87         fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
  88         fadt->pm1b_cnt_blk = 0x0000;
  89         fadt->pm2_cnt_blk = ACPI_PMA_CNT_BLK;
  90         fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
  91         fadt->gpe0_blk = ACPI_GPE0_BLK;
  92         fadt->gpe1_blk = 0x0000;        /* we dont have gpe1 block, do we? */
  93
  94         fadt->pm1_evt_len = 4;
  95         fadt->pm1_cnt_len = 2;
  96         fadt->pm2_cnt_len = 1;
  97         fadt->pm_tmr_len = 4;
  98         fadt->gpe0_blk_len = 8;
  99         fadt->gpe1_blk_len = 0;
 100         fadt->gpe1_base = 0;
 101
 102         fadt->cst_cnt = 0xe3;
 103         fadt->p_lvl2_lat = 101;
 104         fadt->p_lvl3_lat = 1001;
 105         fadt->flush_size = 0;
 106         fadt->flush_stride = 0;
 107         fadt->duty_offset = 1;
 108         fadt->duty_width = 3;
 109         fadt->day_alrm = 0;     /* 0x7d these have to be */
 110         fadt->mon_alrm = 0;     /* 0x7e added to cmos.layout */
 111         fadt->century = 0;      /* 0x7f to make rtc alrm work */
 112         fadt->iapc_boot_arch = 0x3;     /* See table 5-11 */
 113         fadt->flags = 0x0001c1a5;/* 0x25; */
 114
 115         fadt->res2 = 0;
 116
 117         fadt->reset_reg.space_id = 1;
 118         fadt->reset_reg.bit_width = 8;
 119         fadt->reset_reg.bit_offset = 0;
 120         fadt->reset_reg.resv = 0;
 121         fadt->reset_reg.addrl = 0xcf9;
 122         fadt->reset_reg.addrh = 0x0;
 123
 124         fadt->reset_value = 6;
 125         fadt->x_firmware_ctl_l = (u32) facs;
 126         fadt->x_firmware_ctl_h = 0;
 127         fadt->x_dsdt_l = (u32) dsdt;
 128         fadt->x_dsdt_h = 0;
 129
 130         fadt->x_pm1a_evt_blk.space_id = 1;
 131         fadt->x_pm1a_evt_blk.bit_width = 32;
 132         fadt->x_pm1a_evt_blk.bit_offset = 0;
 133         fadt->x_pm1a_evt_blk.resv = 0;
 134         fadt->x_pm1a_evt_blk.addrl = ACPI_PM_EVT_BLK;
 135         fadt->x_pm1a_evt_blk.addrh = 0x0;
 136
 137         fadt->x_pm1b_evt_blk.space_id = 1;
 138         fadt->x_pm1b_evt_blk.bit_width = 4;
 139         fadt->x_pm1b_evt_blk.bit_offset = 0;
 140         fadt->x_pm1b_evt_blk.resv = 0;
 141         fadt->x_pm1b_evt_blk.addrl = 0x0;
 142         fadt->x_pm1b_evt_blk.addrh = 0x0;
 143
 144         fadt->x_pm1a_cnt_blk.space_id = 1;
 145         fadt->x_pm1a_cnt_blk.bit_width = 16;
 146         fadt->x_pm1a_cnt_blk.bit_offset = 0;
 147         fadt->x_pm1a_cnt_blk.resv = 0;
 148         fadt->x_pm1a_cnt_blk.addrl = ACPI_PM1_CNT_BLK;
 149         fadt->x_pm1a_cnt_blk.addrh = 0x0;
 150
 151         fadt->x_pm1b_cnt_blk.space_id = 1;
 152         fadt->x_pm1b_cnt_blk.bit_width = 2;
 153         fadt->x_pm1b_cnt_blk.bit_offset = 0;
 154         fadt->x_pm1b_cnt_blk.resv = 0;
 155         fadt->x_pm1b_cnt_blk.addrl = 0x0;
 156         fadt->x_pm1b_cnt_blk.addrh = 0x0;
 157
 158         fadt->x_pm2_cnt_blk.space_id = 1;
 159         fadt->x_pm2_cnt_blk.bit_width = 0;
 160         fadt->x_pm2_cnt_blk.bit_offset = 0;
 161         fadt->x_pm2_cnt_blk.resv = 0;
 162         fadt->x_pm2_cnt_blk.addrl = ACPI_PMA_CNT_BLK;
 163         fadt->x_pm2_cnt_blk.addrh = 0x0;
 164
 165         fadt->x_pm_tmr_blk.space_id = 1;
 166         fadt->x_pm_tmr_blk.bit_width = 32;
 167         fadt->x_pm_tmr_blk.bit_offset = 0;
 168         fadt->x_pm_tmr_blk.resv = 0;
 169         fadt->x_pm_tmr_blk.addrl = ACPI_PM_TMR_BLK;
 170         fadt->x_pm_tmr_blk.addrh = 0x0;
 171
 172         fadt->x_gpe0_blk.space_id = 1;
 173         fadt->x_gpe0_blk.bit_width = 32;
 174         fadt->x_gpe0_blk.bit_offset = 0;
 175         fadt->x_gpe0_blk.resv = 0;
 176         fadt->x_gpe0_blk.addrl = ACPI_GPE0_BLK;
 177         fadt->x_gpe0_blk.addrh = 0x0;
 178
 179         fadt->x_gpe1_blk.space_id = 1;
 180         fadt->x_gpe1_blk.bit_width = 0;
 181         fadt->x_gpe1_blk.bit_offset = 0;
 182         fadt->x_gpe1_blk.resv = 0;
 183         fadt->x_gpe1_blk.addrl = 0;
 184         fadt->x_gpe1_blk.addrh = 0x0;
 185
 186         header->checksum = acpi_checksum((void *)fadt, sizeof(acpi_fadt_t));
 187 }