diff options
| author | Kane Chen <kane.chen@intel.com> | 2017-10-16 19:40:18 +0800 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2017-10-31 15:49:55 +0000 |
| commit | 66f1f382cd3bd5a7250e0a7ad35d9a1c505de47a (patch) | |
| tree | 899e5780ab5d63b9e8d4a6d9402fe0d3f8f4c9e8 /src/soc/intel/common/block/smbus/smbuslib.h | |
| parent | dfd2a8b7e7bba6ccffb141f812f70b5bc608f37a (diff) | |
intel/common/smbus: increase spd read performance
This change increases the spd read performance by using smbus word
access.
BUG=b:67021853
TEST=boot to os and find 80~100 ms boot time improvement on one dimm
Change-Id: I98fe67642d8ccd428bccbca7f6390331d6055d14
Signed-off-by: Kane Chen <kane.chen@intel.com>
Reviewed-on: https://review.coreboot.org/22072
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/common/block/smbus/smbuslib.h')
| -rw-r--r-- | src/soc/intel/common/block/smbus/smbuslib.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/smbus/smbuslib.h b/src/soc/intel/common/block/smbus/smbuslib.h index b5be6ca84e..05dafe9947 100644 --- a/src/soc/intel/common/block/smbus/smbuslib.h +++ b/src/soc/intel/common/block/smbus/smbuslib.h @@ -34,5 +34,7 @@ int smbus_read8(unsigned int smbus_base, unsigned int device, unsigned int address); int smbus_write8(unsigned int smbus_base, unsigned int device, unsigned int address, unsigned int data); +int smbus_read16(unsigned int smbus_base, unsigned int device, + unsigned int address); #endif /* SOC_INTEL_COMMON_BLOCK_SMBUS__LIB_H */ |