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authorMatt DeVillier <matt.devillier@puri.sm>2020-09-23 17:11:19 -0500
committerPatrick Georgi <pgeorgi@google.com>2020-09-28 09:33:46 +0000
commitb5eae2868bf699043b41b31068841ed1015d424c (patch)
tree59b37b1faef7dd1fcd8a6677a17e72fba3370534 /src/mainboard/purism
parent0d5ac7440a1750169da3132d0e181a429d191002 (diff)
downloadcoreboot-b5eae2868bf699043b41b31068841ed1015d424c.tar.xz
mb/purism/librem_skl: Enable and set SATA tuning params
Some Librems have issues with 6Gbps SATA operation on certain SSDs, setting the Receiver Equalization Boost Magnitude adjustment resolves this. Test: build/boot Librem 15v3 with Crucial SATA SSD, observe no issues booting, no ATA-related errors in dmesg on PureOS 10 / kernel 5.8.7 Change-Id: I078deeff7fc54694393b5b16c41c5d622b332781 Signed-off-by: Matt DeVillier <matt.devillier@puri.sm> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45695 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/mainboard/purism')
-rw-r--r--src/mainboard/purism/librem_skl/romstage.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/purism/librem_skl/romstage.c b/src/mainboard/purism/librem_skl/romstage.c
index de493b0da9..7be8325176 100644
--- a/src/mainboard/purism/librem_skl/romstage.c
+++ b/src/mainboard/purism/librem_skl/romstage.c
@@ -64,4 +64,10 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
mem_cfg->DqPinsInterleaved = TRUE;
mem_cfg->MemorySpdDataLen = blk.len;
mem_cfg->MemorySpdPtr00 = (uintptr_t) blk.spd_array[0];
+
+ /* Enable and set SATA HSIO adjustments for ports 0 and 2 */
+ mem_cfg->PchSataHsioRxGen3EqBoostMagEnable[0] = 1;
+ mem_cfg->PchSataHsioRxGen3EqBoostMagEnable[2] = 1;
+ mem_cfg->PchSataHsioRxGen3EqBoostMag[0] = 1;
+ mem_cfg->PchSataHsioRxGen3EqBoostMag[2] = 1;
}