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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2014 Sage Electronic Engineering, LLC.
*
* 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.
*/
#include <string.h>
#include <device/device.h>
#include <device/pci.h>
#include <arch/acpi.h>
#include <southbridge/intel/fsp_rangeley/soc.h>
#include <arch/io.h>
#include <device/pci_ops.h>
#include <version.h>
#if CONFIG(HAVE_SMI_HANDLER)
#include <cpu/x86/smm.h>
#endif
/**
* Fill in the FADT with generic values that can be overridden later.
*/
typedef struct southbridge_intel_fsp_rangeley_config config_t;
void acpi_fill_in_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
{
acpi_header_t *header = &(fadt->header);
struct device *lpcdev = pcidev_path_on_root(SOC_LPC_DEVFN);
u16 pmbase = pci_read_config16(lpcdev, ABASE) & 0xfff0;
config_t *config = lpcdev->chip_info;
memset((void *) fadt, 0, sizeof(acpi_fadt_t));
/*
* Reference section 5.2.9 Fixed ACPI Description Table (FADT)
* in the ACPI 3.0b specification.
*/
/* FADT Header Structure */
memcpy(header->signature, "FACP", 4);
header->length = sizeof(acpi_fadt_t);
header->revision = get_acpi_table_revision(FADT);
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 = asl_revision;
/* ACPI Pointers */
fadt->firmware_ctrl = (unsigned long) facs;
fadt->dsdt = (unsigned long) dsdt;
fadt->reserved = 0; /* reserved, should be 0 ACPI 3.0 */
fadt->preferred_pm_profile = config->fadt_pm_profile; /* unknown is default */
/* System Management */
fadt->sci_int = 0x09;
fadt->smi_cmd = 0x00; /* disable SMM */
fadt->acpi_enable = 0x00; /* unused if SMI_CMD = 0 */
fadt->acpi_disable = 0x00; /* unused if SMI_CMD = 0 */
/* Enable ACPI */
outl(inl(pmbase + PM1_CNT) | SCI_EN, pmbase + PM1_CNT);
/* Power Control */
fadt->s4bios_req = 0x00;
fadt->pstate_cnt = 0x00;
/* Control Registers - Base Address */
fadt->pm1a_evt_blk = pmbase + PM1_STS;
fadt->pm1b_evt_blk = 0x00; /* Not Used */
fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
fadt->pm1b_cnt_blk = 0x00; /* Not Used */
fadt->pm2_cnt_blk = pmbase + PM2A_CNT_BLK;
fadt->pm_tmr_blk = pmbase + PM1_TMR;
fadt->gpe0_blk = pmbase + GPE0_STS;
fadt->gpe1_blk = 0x00; /* Not Used */
/* Control Registers - Length */
fadt->pm1_evt_len = 4; /* 32 bits */
fadt->pm1_cnt_len = 2; /* 32 bit register, 16 bits used */
fadt->pm2_cnt_len = 1; /* 8 bits */
fadt->pm_tmr_len = 4; /* 32 bits */
fadt->gpe0_blk_len = 8; /* 64 bits */
fadt->gpe1_blk_len = 0;
fadt->gpe1_base = 0;
fadt->cst_cnt = 0;
fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
fadt->flush_size = 0; /* set to 0 if WBINVD is 1 in flags */
fadt->flush_stride = 0; /* set to 0 if WBINVD is 1 in flags */
fadt->duty_offset = 1;
fadt->duty_width = 0;
/* RTC Registers */
fadt->day_alrm = 0x0D;
fadt->mon_alrm = 0x00;
fadt->century = 0x00;
fadt->iapc_boot_arch = config->fadt_boot_arch; /* legacy free default */
fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
ACPI_FADT_RESET_REGISTER | ACPI_FADT_SLEEP_TYPE |
ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
/* Reset Register */
fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->reset_reg.bit_width = 8;
fadt->reset_reg.bit_offset = 0;
fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
fadt->reset_reg.addrl = 0xCF9;
fadt->reset_reg.addrh = 0x00;
fadt->reset_value = 6;
fadt->ARM_boot_arch = 0; /* MUST be 0 ACPI 3.0 */
fadt->FADT_MinorVersion = 0; /* MUST be 0 ACPI 3.0 */
/* Extended ACPI Pointers */
fadt->x_firmware_ctl_l = (unsigned long)facs;
fadt->x_firmware_ctl_h = 0x00;
fadt->x_dsdt_l = (unsigned long)dsdt;
fadt->x_dsdt_h = 0x00;
/* PM1 Status & PM1 Enable */
fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_pm1a_evt_blk.bit_width = 32;
fadt->x_pm1a_evt_blk.bit_offset = 0;
fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
fadt->x_pm1a_evt_blk.addrh = 0x00;
fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_pm1b_evt_blk.bit_width = 0;
fadt->x_pm1b_evt_blk.bit_offset = 0;
fadt->x_pm1b_evt_blk.access_size = 0;
fadt->x_pm1b_evt_blk.addrl = fadt->pm1b_evt_blk;
fadt->x_pm1b_evt_blk.addrh = 0x00;
/* PM1 Control Registers */
fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_pm1a_cnt_blk.bit_width = 16;
fadt->x_pm1a_cnt_blk.bit_offset = 0;
fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
fadt->x_pm1a_cnt_blk.addrh = 0x00;
fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_pm1b_cnt_blk.bit_width = 0;
fadt->x_pm1b_cnt_blk.bit_offset = 0;
fadt->x_pm1b_cnt_blk.access_size = 0;
fadt->x_pm1b_cnt_blk.addrl = fadt->pm1b_cnt_blk;
fadt->x_pm1b_cnt_blk.addrh = 0x00;
/* PM2 Control Registers */
fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_pm2_cnt_blk.bit_width = 8;
fadt->x_pm2_cnt_blk.bit_offset = 0;
fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
fadt->x_pm2_cnt_blk.addrh = 0x00;
/* PM1 Timer Register */
fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_pm_tmr_blk.bit_width = 32;
fadt->x_pm_tmr_blk.bit_offset = 0;
fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
fadt->x_pm_tmr_blk.addrh = 0x00;
/* General-Purpose Event Registers */
fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_gpe0_blk.bit_width = 64; /* EventStatus + EventEnable */
fadt->x_gpe0_blk.bit_offset = 0;
fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
fadt->x_gpe0_blk.addrh = 0x00;
fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_gpe1_blk.bit_width = 0;
fadt->x_gpe1_blk.bit_offset = 0;
fadt->x_gpe1_blk.access_size = 0;
fadt->x_gpe1_blk.addrl = fadt->gpe1_blk;
fadt->x_gpe1_blk.addrh = 0x00;
header->checksum =
acpi_checksum((void *) fadt, sizeof(acpi_fadt_t));
}
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