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/*
* This file is part of the coreboot project.
*
* Based on src/southbridge/via/vt8237r/vt8237_fadt.c
*
* Copyright (C) 2004 Nick Barker <nick.barker9@btinternet.com>
* Copyright (C) 2007, 2009 Rudolf Marek <r.marek@assembler.cz>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#include <string.h>
#include <arch/acpi.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include "i82371eb.h"
/**
* Create the Fixed ACPI Description Tables (FADT) for any board with this SB.
* Reference: ACPIspec40a, 5.2.9, page 118
*/
void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
{
acpi_header_t *header = &(fadt->header);
device_t dev;
/* Power management controller */
dev = dev_find_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82371AB_SMB_ACPI, 0);
memset((void *) fadt, 0, sizeof(acpi_fadt_t));
memcpy(header->signature, "FACP", 4);
header->length = 244;
header->revision = 1;
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
memcpy(header->asl_compiler_id, ASLC, 4);
header->asl_compiler_revision = 42;
fadt->firmware_ctrl = (u32)facs;
fadt->dsdt = (u32)dsdt;
fadt->preferred_pm_profile = 0; /* unspecified */
fadt->sci_int = 9;
fadt->smi_cmd = 0; /* smi command port */
fadt->acpi_enable = 0; /* acpi enable smi command */
fadt->acpi_disable = 0; /* acpi disable smi command */
fadt->s4bios_req = 0x0;
fadt->pstate_cnt = 0x0;
fadt->pm1a_evt_blk = DEFAULT_PMBASE;
fadt->pm1b_evt_blk = 0x0;
fadt->pm1a_cnt_blk = DEFAULT_PMBASE + PMCNTRL;
fadt->pm1b_cnt_blk = 0x0;
fadt->pm2_cnt_blk = 0;
fadt->pm_tmr_blk = DEFAULT_PMBASE + PMTMR;
fadt->gpe0_blk = DEFAULT_PMBASE + GPSTS;
fadt->gpe1_blk = 0x0;
fadt->gpe1_base = 0;
fadt->gpe1_blk_len = 0;
/* *_len define register width in bytes */
fadt->pm1_evt_len = 4;
fadt->pm1_cnt_len = 2;
fadt->pm2_cnt_len = 0; /* not supported */
fadt->pm_tmr_len = 4;
fadt->gpe0_blk_len = 4;
fadt->cst_cnt = 0; /* smi command to indicate c state changed notification */
fadt->p_lvl2_lat = 101; /* >100 means c2 not supported */
fadt->p_lvl3_lat = 1001; /* >1000 means c3 not supported */
fadt->flush_size = 0; /* only needed if cpu wbinvd is broken */
fadt->flush_stride = 0;
fadt->duty_offset = 1; /* bit 1:3 in PCNTRL reg (pmbase+0x10) */
fadt->duty_width = 3; /* this width is in bits */
fadt->day_alrm = 0x0d; /* rtc cmos ram offset */
fadt->mon_alrm = 0x0; /* not supported */
fadt->century = 0x0; /* not supported */
/*
* bit meaning
* 0 1: We have user-visible legacy devices
* 1 1: 8042
* 2 0: VGA is ok to probe
* 3 1: MSI are not supported
*/
fadt->iapc_boot_arch = 0xb;
/*
* bit meaning
* 0 WBINVD
* Processors in new ACPI-compatible systems are required to
* support this function and indicate this to OSPM by setting
* this field.
* 1 WBINVD_FLUSH
* If set, indicates that the hardware flushes all caches on the
* WBINVD instruction and maintains memory coherency, but does
* not guarantee the caches are invalidated.
* 2 PROC_C1
* C1 power state (x86 hlt instruction) is supported on all cpus
* 3 P_LVL2_UP
* 0: C2 only on uniprocessor, 1: C2 on uni- and multiprocessor
* 4 PWR_BUTTON
* 0: pwr button is fixed feature
* 1: pwr button has control method device if present
* 5 SLP_BUTTON
* 0: sleep button is fixed feature
* 1: sleep button has control method device if present
* 6 FIX_RTC
* 0: RTC wake status supported in fixed register spce
* 7 RTC_S4
* 1: RTC can wake from S4
* 8 TMR_VAL_EXT
* 1: pmtimer is 32bit, 0: pmtimer is 24bit
* 9 DCK_CAP
* 1: system supports docking station
* 10 RESET_REG_SUPPORT
* 1: fadt describes reset register for system reset
* 11 SEALED_CASE
* 1: No expansion possible, sealed case
* 12 HEADLESS
* 1: Video output, keyboard and mouse are not connected
* 13 CPU_SW_SLP
* 1: Special processor instruction needs to be executed
* after writing SLP_TYP
* 14 PCI_EXP_WAK
* 1: PM1 regs support PCIEXP_WAKE_(STS|EN), must be set
* on platforms with pci express support
* 15 USE_PLATFORM_CLOCK
* 1: OS should prefer platform clock over processor internal
* clock.
* 16 S4_RTC_STS_VALID
* 17 REMOTE_POWER_ON_CAPABLE
* 1: platform correctly supports OSPM leaving GPE wake events
* armed prior to an S5 transition.
* 18 FORCE_APIC_CLUSTER_MODEL
* 19 FORCE_APIC_PHYSICAL_DESTINATION_MODE
*/
fadt->flags = 0xa5;
fadt->reset_reg.space_id = 0;
fadt->reset_reg.bit_width = 0;
fadt->reset_reg.bit_offset = 0;
fadt->reset_reg.resv = 0;
fadt->reset_reg.addrl = 0x0;
fadt->reset_reg.addrh = 0x0;
fadt->reset_value = 0;
fadt->x_firmware_ctl_l = (u32)facs;
fadt->x_firmware_ctl_h = 0;
fadt->x_dsdt_l = (u32)dsdt;
fadt->x_dsdt_h = 0;
fadt->x_pm1a_evt_blk.space_id = 1;
fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
fadt->x_pm1a_evt_blk.bit_offset = 0;
fadt->x_pm1a_evt_blk.resv = 0;
fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
fadt->x_pm1a_evt_blk.addrh = 0x0;
fadt->x_pm1b_evt_blk.space_id = 1;
fadt->x_pm1b_evt_blk.bit_width = fadt->pm1_evt_len * 8;
fadt->x_pm1b_evt_blk.bit_offset = 0;
fadt->x_pm1b_evt_blk.resv = 0;
fadt->x_pm1b_evt_blk.addrl = fadt->pm1b_evt_blk;
fadt->x_pm1b_evt_blk.addrh = 0x0;
fadt->x_pm1a_cnt_blk.space_id = 1;
fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
fadt->x_pm1a_cnt_blk.bit_offset = 0;
fadt->x_pm1a_cnt_blk.resv = 0;
fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
fadt->x_pm1a_cnt_blk.addrh = 0x0;
fadt->x_pm1b_cnt_blk.space_id = 1;
fadt->x_pm1b_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
fadt->x_pm1b_cnt_blk.bit_offset = 0;
fadt->x_pm1b_cnt_blk.resv = 0;
fadt->x_pm1b_cnt_blk.addrl = fadt->pm1b_cnt_blk;
fadt->x_pm1b_cnt_blk.addrh = 0x0;
fadt->x_pm2_cnt_blk.space_id = 1;
fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
fadt->x_pm2_cnt_blk.bit_offset = 0;
fadt->x_pm2_cnt_blk.resv = 0;
fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
fadt->x_pm2_cnt_blk.addrh = 0x0;
fadt->x_pm_tmr_blk.space_id = 1;
fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
fadt->x_pm_tmr_blk.bit_offset = 0;
fadt->x_pm_tmr_blk.resv = 0;
fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
fadt->x_pm_tmr_blk.addrh = 0x0;
fadt->x_gpe0_blk.space_id = 1;
fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
fadt->x_gpe0_blk.bit_offset = 0;
fadt->x_gpe0_blk.resv = 0;
fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
fadt->x_gpe0_blk.addrh = 0x0;
fadt->x_gpe1_blk.space_id = 1;
fadt->x_gpe1_blk.bit_width = fadt->gpe1_blk_len * 8;
fadt->x_gpe1_blk.bit_offset = 0;
fadt->x_gpe1_blk.resv = 0;
fadt->x_gpe1_blk.addrl = fadt->gpe1_blk;
fadt->x_gpe1_blk.addrh = 0x0;
header->checksum = acpi_checksum((void *) fadt, sizeof(acpi_fadt_t));
}
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