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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Advanced Micro Devices, Inc.
*
* 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.
*/
/*
* ACPI - create the Fixed ACPI Description Tables (FADT)
*/
#include <string.h>
#include <console/console.h>
#include <arch/acpi.h>
#include <arch/io.h>
#include <device/device.h>
#include <southbridge/amd/cimx/sb900/SbPlatform.h>
/*extern*/ u16 pm_base = 0x800;
/* pm_base should be set in sb ACPI */
/* pm_base should be got from bar2 of sb900. Here I compact ACPI
* registers into 32 bytes limit.
* */
#define ACPI_PM_EVT_BLK (pm_base + 0x00) /* 4 bytes */
#define ACPI_PM1_CNT_BLK (pm_base + 0x04) /* 2 bytes */
#define ACPI_PM2_CNT_BLK (pm_base + 0x0F) /* 1 byte */
#define ACPI_PM_TMR_BLK (pm_base + 0x08) /* 4 bytes */
#define ACPI_GPE0_BLK (pm_base + 0x20) /* 8 bytes */
#define ACPI_CPU_CONTORL (pm_base + 0x10) /* 6 bytes */
void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
{
u16 val = 0;
acpi_header_t *header = &(fadt->header);
pm_base &= 0xFFFF;
printk(BIOS_DEBUG, "pm_base: 0x%04x\n", pm_base);
/* Prepare the header */
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 = 0;
if ((uintptr_t)facs > 0xffffffff)
printk(BIOS_DEBUG, "ACPI: FACS lives above 4G\n");
else
fadt->firmware_ctrl = (uintptr_t)facs;
if ((uintptr_t)dsdt > 0xffffffff)
printk(BIOS_DEBUG, "ACPI: DSDT lives above 4G\n");
else
fadt->dsdt = (uintptr_t)dsdt;
/* 3 = Workstation, 4 = Enterprise Server, 7 = Performance Server */
fadt->preferred_pm_profile = 0x03;
fadt->sci_int = 9;
/* disable system management mode by setting to 0: */
fadt->smi_cmd = 0;
fadt->acpi_enable = 0xf0;
fadt->acpi_disable = 0xf1;
fadt->s4bios_req = 0x0;
fadt->pstate_cnt = 0xe2;
val = PM1_EVT_BLK_ADDRESS;
WritePMIO(SB_PMIOA_REG60, AccWidthUint16, &val);
val = PM1_CNT_BLK_ADDRESS;
WritePMIO(SB_PMIOA_REG62, AccWidthUint16, &val);
val = PM1_TMR_BLK_ADDRESS;
WritePMIO(SB_PMIOA_REG64, AccWidthUint16, &val);
val = GPE0_BLK_ADDRESS;
WritePMIO(SB_PMIOA_REG68, AccWidthUint16, &val);
/* CpuControl is in \_PR.CP00, 6 bytes */
val = CPU_CNT_BLK_ADDRESS;
WritePMIO(SB_PMIOA_REG66, AccWidthUint16, &val);
val = 0;
WritePMIO(SB_PMIOA_REG6A, AccWidthUint16, &val);
val = ACPI_PM2_CNT_BLK;
WritePMIO(SB_PMIOA_REG6E, AccWidthUint16, &val);
/* AcpiDecodeEnable, When set, SB uses the contents of the
* PM registers at index 60-6B to decode ACPI I/O address.
* AcpiSmiEn & SmiCmdEn */
val = BIT0 | BIT1 | BIT2 | BIT4;
WritePMIO(SB_PMIOA_REG74, AccWidthUint16, &val);
/* RTC_En_En, TMR_En_En, GBL_EN_EN */
outl(0x1, ACPI_PM1_CNT_BLK); /* set SCI_EN */
fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
fadt->pm1b_evt_blk = 0x0000;
fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
fadt->pm1b_cnt_blk = 0x0000;
fadt->pm2_cnt_blk = ACPI_PM2_CNT_BLK;
fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
fadt->gpe0_blk = ACPI_GPE0_BLK;
fadt->gpe1_blk = 0x0000; /* we dont have gpe1 block, do we? */
fadt->pm1_evt_len = 4;
fadt->pm1_cnt_len = 2;
fadt->pm2_cnt_len = 1;
fadt->pm_tmr_len = 4;
fadt->gpe0_blk_len = 8;
fadt->gpe1_blk_len = 0;
fadt->gpe1_base = 0;
fadt->cst_cnt = 0xe3;
fadt->p_lvl2_lat = 101;
fadt->p_lvl3_lat = 1001;
fadt->flush_size = 0;
fadt->flush_stride = 0;
fadt->duty_offset = 1;
fadt->duty_width = 3;
fadt->day_alrm = 0; /* 0x7d these have to be */
fadt->mon_alrm = 0; /* 0x7e added to cmos.layout */
fadt->century = 0; /* 0x7f to make rtc alrm work */
fadt->iapc_boot_arch = 0x3; /* See table 5-11 */
fadt->flags = 0x0001c1a5;/* 0x25; */
fadt->res2 = 0;
fadt->reset_reg.space_id = 1;
fadt->reset_reg.bit_width = 8;
fadt->reset_reg.bit_offset = 0;
fadt->reset_reg.resv = 0;
fadt->reset_reg.addrl = 0xcf9;
fadt->reset_reg.addrh = 0x0;
fadt->reset_value = 6;
fadt->x_firmware_ctl_l = ((uintptr_t)facs) & 0xffffffff;
fadt->x_firmware_ctl_h = ((uint64_t)(uintptr_t)facs) >> 32;
fadt->x_dsdt_l = ((uintptr_t)dsdt) & 0xffffffff;
fadt->x_dsdt_h = ((uint64_t)(uintptr_t)dsdt) >> 32;
fadt->x_pm1a_evt_blk.space_id = 1;
fadt->x_pm1a_evt_blk.bit_width = 32;
fadt->x_pm1a_evt_blk.bit_offset = 0;
fadt->x_pm1a_evt_blk.resv = 0;
fadt->x_pm1a_evt_blk.addrl = ACPI_PM_EVT_BLK;
fadt->x_pm1a_evt_blk.addrh = 0x0;
fadt->x_pm1b_evt_blk.space_id = 1;
fadt->x_pm1b_evt_blk.bit_width = 4;
fadt->x_pm1b_evt_blk.bit_offset = 0;
fadt->x_pm1b_evt_blk.resv = 0;
fadt->x_pm1b_evt_blk.addrl = 0x0;
fadt->x_pm1b_evt_blk.addrh = 0x0;
fadt->x_pm1a_cnt_blk.space_id = 1;
fadt->x_pm1a_cnt_blk.bit_width = 16;
fadt->x_pm1a_cnt_blk.bit_offset = 0;
fadt->x_pm1a_cnt_blk.resv = 0;
fadt->x_pm1a_cnt_blk.addrl = ACPI_PM1_CNT_BLK;
fadt->x_pm1a_cnt_blk.addrh = 0x0;
fadt->x_pm1b_cnt_blk.space_id = 1;
fadt->x_pm1b_cnt_blk.bit_width = 2;
fadt->x_pm1b_cnt_blk.bit_offset = 0;
fadt->x_pm1b_cnt_blk.resv = 0;
fadt->x_pm1b_cnt_blk.addrl = 0x0;
fadt->x_pm1b_cnt_blk.addrh = 0x0;
fadt->x_pm2_cnt_blk.space_id = 1;
fadt->x_pm2_cnt_blk.bit_width = 0;
fadt->x_pm2_cnt_blk.bit_offset = 0;
fadt->x_pm2_cnt_blk.resv = 0;
fadt->x_pm2_cnt_blk.addrl = ACPI_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 = 32;
fadt->x_pm_tmr_blk.bit_offset = 0;
fadt->x_pm_tmr_blk.resv = 0;
fadt->x_pm_tmr_blk.addrl = ACPI_PM_TMR_BLK;
fadt->x_pm_tmr_blk.addrh = 0x0;
fadt->x_gpe0_blk.space_id = 1;
fadt->x_gpe0_blk.bit_width = 32;
fadt->x_gpe0_blk.bit_offset = 0;
fadt->x_gpe0_blk.resv = 0;
fadt->x_gpe0_blk.addrl = ACPI_GPE0_BLK;
fadt->x_gpe0_blk.addrh = 0x0;
fadt->x_gpe1_blk.space_id = 1;
fadt->x_gpe1_blk.bit_width = 0;
fadt->x_gpe1_blk.bit_offset = 0;
fadt->x_gpe1_blk.resv = 0;
fadt->x_gpe1_blk.addrl = 0;
fadt->x_gpe1_blk.addrh = 0x0;
header->checksum = acpi_checksum((void *)fadt, sizeof(acpi_fadt_t));
}
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