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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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef S3_RESUME_H
#define S3_RESUME_H
#if CONFIG_HAVE_ACPI_RESUME
/* The size needs to be 4k aligned, which is the sector size of most flashes. */
#define S3_DATA_VOLATILE_SIZE 0x6000
#define S3_DATA_MTRR_SIZE 0x1000
#define S3_DATA_NONVOLATILE_SIZE 0x1000
#define S3_DATA_VOLATILE_POS CONFIG_S3_DATA_POS
#define S3_DATA_MTRR_POS (CONFIG_S3_DATA_POS + S3_DATA_VOLATILE_SIZE)
#define S3_DATA_NONVOLATILE_POS (CONFIG_S3_DATA_POS + S3_DATA_VOLATILE_SIZE + S3_DATA_MTRR_SIZE)
#if (S3_DATA_VOLATILE_SIZE + S3_DATA_MTRR_SIZE + S3_DATA_NONVOLATILE_SIZE) > CONFIG_S3_DATA_SIZE
#error "Please increase the value of S3_DATA_SIZE"
#endif
typedef enum {
S3DataTypeNonVolatile=0, ///< NonVolatile Data Type
S3DataTypeVolatile ///< Volatile Data Type
} S3_DATA_TYPE;
void restore_mtrr(void);
void s3_resume(void);
void *backup_resume(void);
void set_resume_cache(void);
void move_stack_high_mem(void);
u32 OemAgesaSaveS3Info (S3_DATA_TYPE S3DataType, u32 DataSize, void *Data);
void OemAgesaGetS3Info (S3_DATA_TYPE S3DataType, u32 *DataSize, void **Data);
void OemAgesaSaveMtrr (void);
#ifndef __PRE_RAM__
#include <spi_flash.h>
void write_mtrr(struct spi_flash *flash, u32 *p_nvram_pos, unsigned idx);
#endif
#endif
#endif
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