src/mainboard/via/epia-m700/fadt.c

   1 /*
   2  * ACPI - create the Fixed ACPI Description Tables (FADT)
   3  *
   4  * Copyright (C) 2004 Nick Barker <nick.barker9@btinternet.com>
   5  * Copyright (C) 2009 One Laptop per Child, Association, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include <string.h>
  23 #include <arch/acpi.h>
  24 #include "northbridge/via/vx800/vx800.h"
  25
  26 void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
  27 {
  28         acpi_header_t *header = &(fadt->header);
  29
  30         memset((void *)fadt, 0, sizeof(acpi_fadt_t));
  31         memcpy(header->signature, "FACP", 4);
  32         header->length = 244;
  33         header->revision = 3;
  34         memcpy(header->oem_id, OEM_ID, 6);
  35         memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
  36         memcpy(header->asl_compiler_id, ASLC, 4);
  37         header->asl_compiler_revision = 0;
  38
  39         fadt->firmware_ctrl = (u32)facs;
  40         fadt->dsdt = (u32)dsdt;
  41         fadt->preferred_pm_profile = 0;
  42         fadt->sci_int = 0x9;
  43
  44         fadt->smi_cmd = VX800_ACPI_IO_BASE + 0x2F;
  45         fadt->acpi_enable = 0xA1;
  46         fadt->acpi_disable = 0xA0;
  47
  48         /*
  49          * Value 42F,A1,A0, if we don't want SMI, then set them to zero.
  50          * fadt->smi_cmd = 0x0;
  51          * fadt->acpi_enable = 0x0;
  52          * fadt->acpi_disable = 0x0;
  53          */
  54
  55         fadt->s4bios_req = 0x0;
  56         fadt->pstate_cnt = 0x0;
  57
  58         fadt->pm1a_evt_blk = VX800_ACPI_IO_BASE;
  59         fadt->pm1b_evt_blk = 0x0;
  60         fadt->pm1a_cnt_blk = VX800_ACPI_IO_BASE + 0x4;
  61         fadt->pm1b_cnt_blk = 0x0;
  62         fadt->pm2_cnt_blk = 0x22;       /* To support cpu-c3. */
  63         /* fadt->pm2_cnt_blk = 0x0; */
  64         fadt->pm_tmr_blk = VX800_ACPI_IO_BASE + 0x8;
  65         fadt->gpe0_blk = VX800_ACPI_IO_BASE + 0x20;
  66         fadt->gpe1_blk = VX800_ACPI_IO_BASE + 0x50;
  67
  68         fadt->pm1_evt_len = 4;
  69         fadt->pm1_cnt_len = 2;
  70         fadt->pm2_cnt_len = 1;  /* To support cpu-c3. */
  71         /* fadt->pm2_cnt_len = 0; */
  72
  73         fadt->pm_tmr_len = 4;
  74         fadt->gpe0_blk_len = 4;
  75         fadt->gpe1_blk_len = 4;
  76         fadt->gpe1_base = 0x10;
  77         fadt->cst_cnt = 0;
  78
  79         fadt->p_lvl2_lat = 0x50;        /* This is the coreboot source. */
  80         fadt->p_lvl3_lat = 0x320;
  81         /* fadt->p_lvl2_lat = 0x80; */
  82         /* fadt->p_lvl3_lat = 0x800; */
  83         /* fadt->p_lvl2_lat = 0x1; */
  84         /* fadt->p_lvl3_lat = 0x23; */
  85
  86         /* fadt->p_lvl2_lat = 0x200; */ /* Disable. */
  87         /* fadt->p_lvl3_lat = 0x2000; */
  88
  89         fadt->flush_size = 0;
  90         fadt->flush_stride = 0;
  91         fadt->duty_offset = 0;
  92         /* fadt->duty_width = 1; */
  93         fadt->duty_width = 4;
  94         fadt->day_alrm = 0x7d;
  95         fadt->mon_alrm = 0x7e;
  96         fadt->century = 0x32;
  97         fadt->iapc_boot_arch = 0x0;
  98         fadt->flags = 0xa5;
  99
 100         fadt->reset_reg.space_id = 0;
 101         fadt->reset_reg.bit_width = 0;
 102         fadt->reset_reg.bit_offset = 0;
 103         fadt->reset_reg.resv = 0;
 104         fadt->reset_reg.addrl = 0x0;
 105         fadt->reset_reg.addrh = 0x0;
 106
 107         fadt->reset_value = 0;
 108         fadt->x_firmware_ctl_l = (u32)facs;
 109         fadt->x_firmware_ctl_h = 0;
 110         fadt->x_dsdt_l = (u32)dsdt;
 111         fadt->x_dsdt_h = 0;
 112
 113         fadt->x_pm1a_evt_blk.space_id = 1;
 114         fadt->x_pm1a_evt_blk.bit_width = 4;
 115         fadt->x_pm1a_evt_blk.bit_offset = 0;
 116         fadt->x_pm1a_evt_blk.resv = 0;
 117         fadt->x_pm1a_evt_blk.addrl = VX800_ACPI_IO_BASE;
 118         fadt->x_pm1a_evt_blk.addrh = 0x0;
 119
 120         fadt->x_pm1b_evt_blk.space_id = 1;
 121         fadt->x_pm1b_evt_blk.bit_width = 4;
 122         fadt->x_pm1b_evt_blk.bit_offset = 0;
 123         fadt->x_pm1b_evt_blk.resv = 0;
 124         fadt->x_pm1b_evt_blk.addrl = 0x0;
 125         fadt->x_pm1b_evt_blk.addrh = 0x0;
 126
 127         fadt->x_pm1a_cnt_blk.space_id = 1;
 128         fadt->x_pm1a_cnt_blk.bit_width = 2;
 129         fadt->x_pm1a_cnt_blk.bit_offset = 0;
 130         fadt->x_pm1a_cnt_blk.resv = 0;
 131         fadt->x_pm1a_cnt_blk.addrl = VX800_ACPI_IO_BASE + 0x4;
 132         fadt->x_pm1a_cnt_blk.addrh = 0x0;
 133
 134         fadt->x_pm1b_cnt_blk.space_id = 1;
 135         fadt->x_pm1b_cnt_blk.bit_width = 2;
 136         fadt->x_pm1b_cnt_blk.bit_offset = 0;
 137         fadt->x_pm1b_cnt_blk.resv = 0;
 138         fadt->x_pm1b_cnt_blk.addrl = 0x0;
 139         fadt->x_pm1b_cnt_blk.addrh = 0x0;
 140
 141         /* fadt->x_pm2_cnt_blk.space_id = 1; */
 142         fadt->x_pm2_cnt_blk.space_id = 0;
 143         fadt->x_pm2_cnt_blk.bit_width = 0;
 144         fadt->x_pm2_cnt_blk.bit_offset = 0;
 145         fadt->x_pm2_cnt_blk.resv = 0;
 146         fadt->x_pm2_cnt_blk.addrl = 0x0;
 147         fadt->x_pm2_cnt_blk.addrh = 0x0;
 148
 149         fadt->x_pm_tmr_blk.space_id = 1;
 150         fadt->x_pm_tmr_blk.bit_width = 4;
 151         fadt->x_pm_tmr_blk.bit_offset = 0;
 152         fadt->x_pm_tmr_blk.resv = 0;
 153         fadt->x_pm_tmr_blk.addrl = VX800_ACPI_IO_BASE + 0x8;
 154         fadt->x_pm_tmr_blk.addrh = 0x0;
 155
 156         fadt->x_gpe0_blk.space_id = 1;
 157         fadt->x_gpe0_blk.bit_width = 0;
 158         fadt->x_gpe0_blk.bit_offset = 0;
 159         fadt->x_gpe0_blk.resv = 0;
 160         fadt->x_gpe0_blk.addrl = VX800_ACPI_IO_BASE + 0x20;
 161         fadt->x_gpe0_blk.addrh = 0x0;
 162
 163         fadt->x_gpe1_blk.space_id = 1;
 164         fadt->x_gpe1_blk.bit_width = 0;
 165         fadt->x_gpe1_blk.bit_offset = 0;
 166         fadt->x_gpe1_blk.resv = 0;
 167         fadt->x_gpe1_blk.addrl = 0x0;
 168         fadt->x_gpe1_blk.addrh = 0x0;
 169
 170         header->checksum = acpi_checksum((void *)fadt, sizeof(acpi_fadt_t));
 171 }