diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2012-07-16 16:16:31 -0700 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2012-07-26 20:29:16 +0200 |
| commit | cfb64bda83f5f47762845b8b6666783bae82ec34 (patch) | |
| tree | dfd8883996fa9933ba50226eb57df9bd11cc4ab2 /src/southbridge/intel/bd82x6x/sata.c | |
| parent | 0920915bca2391ed318eeb12ddad8b7cb4a52905 (diff) | |
SATA: Add option to configure gen3 transmitter
Unfortunately the drive strength values are very much board
specific and different between mobile and desktop so we don't
try to do any fancy detection here but let it be specified
directly in the devicetree.
Change-Id: I66674bff0de04ecd088fb09afad1cf801a374df2
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: http://review.coreboot.org/1347
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/southbridge/intel/bd82x6x/sata.c')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/sata.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/sata.c b/src/southbridge/intel/bd82x6x/sata.c index c0eb23249d..2e4115882b 100644 --- a/src/southbridge/intel/bd82x6x/sata.c +++ b/src/southbridge/intel/bd82x6x/sata.c @@ -182,6 +182,15 @@ static void sata_init(struct device *dev) pci_write_config32(dev, 0x94, ((config->sata_port_map ^ 0x3f) << 24) | 0x183); } + + /* Set Gen3 Transmitter settings if needed */ + if (config->sata_port0_gen3_tx) + pch_iobp_update(SATA_IOBP_SP0G3IR, 0, + config->sata_port0_gen3_tx); + + if (config->sata_port1_gen3_tx) + pch_iobp_update(SATA_IOBP_SP1G3IR, 0, + config->sata_port1_gen3_tx); } static void sata_enable(device_t dev) |