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| author | zbao <fishbaozi@gmail.com> | 2012-03-23 11:36:08 +0800 |
|---|---|---|
| committer | Marc Jones <marcj303@gmail.com> | 2012-04-02 20:35:03 +0200 |
| commit | 01bd79ff697b4a6976e2b03ff15f4853fa561c0d (patch) | |
| tree | f277f59e299dcdadb141616a230ee2d47d6666d4 /src/southbridge/amd/cimx/sb800/spi.h | |
| parent | 971804ed68347f4fe7ca985a3c924b28041a4079 (diff) | |
| download | coreboot-01bd79ff697b4a6976e2b03ff15f4853fa561c0d.tar.xz | |
Add sb800 spi support.
It is for S3, storing the recovring data in the nonvolatile storage,
i.e., flash.
Change-Id: Ie9e4f42a80c93d92d2e442f0e833ce06d88294f9
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: zbao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/620
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
Diffstat (limited to 'src/southbridge/amd/cimx/sb800/spi.h')
| -rw-r--r-- | src/southbridge/amd/cimx/sb800/spi.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/southbridge/amd/cimx/sb800/spi.h b/src/southbridge/amd/cimx/sb800/spi.h new file mode 100644 index 0000000000..57921d9dfc --- /dev/null +++ b/src/southbridge/amd/cimx/sb800/spi.h @@ -0,0 +1,42 @@ +/* + ***************************************************************************** + * + * This file is part of the coreboot project. + * + * Copyright (C) 2012 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 _SB800_CIMX_SPI_H_ +#define _SB800_CIMX_SPI_H_ + +void execute_command(volatile u8 * spi_address); +void wait4command_complete(volatile u8 * spi_address); +void reset_internal_fifo_pointer(volatile u8 * spi_address); +u8 read_spi_status(volatile u8 * spi_address); +void wait4flashpart_ready(volatile u8 * spi_address); +void write_spi_status(volatile u8 * spi_address, u8 status); +void read_spi_id(volatile u8 * spi_address); +void spi_write_enable(volatile u8 * spi_address); +void sector_erase_spi(volatile u8 * spi_address, u32 address); +void chip_erase_spi(volatile u8 * spi_address); +void byte_program(volatile u8 * spi_address, u32 address, u32 data); +void dword_noneAAI_program(volatile u8 * spi_address, u32 address, u32 data); +void dword_program(volatile u8 * spi_address, u32 address, u32 data); +void direct_byte_program(volatile u8 * spi_address, volatile u32 * address, u32 data); + +#endif |