diff options
| author | zbao <fishbaozi@gmail.com> | 2012-04-13 13:42:15 +0800 |
|---|---|---|
| committer | Marc Jones <marcj303@gmail.com> | 2012-04-16 18:22:47 +0200 |
| commit | f72237346d9a0894b4675f0b6915da6fdcccd31e (patch) | |
| tree | 3ccf4333bd94f38a68f3b76d3f161d27072316b5 /src/cpu/amd/agesa/s3_resume.h | |
| parent | caf494c83170e97b192e2174bc461482699a3712 (diff) | |
S3 code in coreboot public folder.
1. Move the Stack to high memory.
2. Restore the MTRR before Coreboot jump to the wakeup vector.
Change-Id: I9872e02fcd7eed98e7f630aa29ece810ac32d55a
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: zbao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/623
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
Diffstat (limited to 'src/cpu/amd/agesa/s3_resume.h')
| -rw-r--r-- | src/cpu/amd/agesa/s3_resume.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/cpu/amd/agesa/s3_resume.h b/src/cpu/amd/agesa/s3_resume.h new file mode 100644 index 0000000000..22a72711bf --- /dev/null +++ b/src/cpu/amd/agesa/s3_resume.h @@ -0,0 +1,42 @@ +/* + * 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 + +#define S3_DATA_NONVOLATILE_POS 0xFFFF4000 +#define S3_DATA_VOLATILE_POS 0xFFFF0000 +#define S3_DATA_MTRR_POS 0xFFFF3100 + +typedef enum { + S3DataTypeNonVolatile=0, ///< NonVolatile Data Type + S3DataTypeVolatile ///< Volatile Data Type +} S3_DATA_TYPE; + +void restore_mtrr(void); +void s3_resume(void); +inline 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); + +#endif |