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| author | Siyuan Wang <wangsiyuanbuaa@gmail.com> | 2013-06-08 10:25:06 +0800 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2013-06-29 18:57:42 +0200 |
| commit | 0d8d482f6316885d7e553d9aeb538ce5bbd2fbba (patch) | |
| tree | 9fb17f68b76d5b04169a94eb9ab7e3e8dfa41968 /src/southbridge/amd | |
| parent | bc2c9efd56a1b7d5c9b97132423ac176b4d21b74 (diff) | |
AMD S3 resume: Add framwork to write bigger data
This patch is based on 'AMD S3: Program the flash in a bigger data packet'[1]
Some AMD south bridge can write bigger data when saving S3 info.
In this patch, I use config 'AMD_SB_SPI_TX_LEN' to contral data size.
AMD_SB_SPI_TX_LEN is defined in 'src/southbridge/amd/Kconfig'
and then can be overridden in the Kconfig for specific
southbridges that support larger size.
I have tested on AMD Parmer and Thatcher. We will release a new board
whose south bridge can transfer more than 4 bytes each time.
[1] http://review.coreboot.org/#/c/2306/
Change-Id: Id984955d46eae487e39d45979f1a90054aa9f54b
Signed-off-by: Siyuan Wang <SiYuan.Wang@amd.com>
Signed-off-by: Siyuan Wang <wangsiyuanbuaa@gmail.com>
Reviewed-on: http://review.coreboot.org/3413
Tested-by: build bot (Jenkins)
Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/southbridge/amd')
| -rw-r--r-- | src/southbridge/amd/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/southbridge/amd/Kconfig b/src/southbridge/amd/Kconfig index 20d557307a..42209ce7b2 100644 --- a/src/southbridge/amd/Kconfig +++ b/src/southbridge/amd/Kconfig @@ -18,3 +18,6 @@ source src/southbridge/amd/sr5650/Kconfig config SPI_FLASH bool default y if HAVE_ACPI_RESUME && CPU_AMD_AGESA +config AMD_SB_SPI_TX_LEN + int + default 4 |