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broadwell: Update SATA Gen3 TX adjustment registers 

The registers that were used here are for CPT/PPT and not
for HSW/BDW chips.

Update this to update just the Gen3 TX Output Voltage Downscale
Amplitude Adjustment field in the SATA ECR T88.

BUG=chrome-os-partner:28234
BRANCH=samus,auron
TEST=build and boot on samus

Change-Id: I94b702dc4a3c98678ba048ff9cfa4a85cc5b1eed
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 4c5816cc647b84266751e8a591eb85d7735fee12
Original-Change-Id: I98ec9678938a6675828721d5b57683077f555d21
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/238800
Original-Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/9484
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Duncan Laurie 2015-01-06 13:32:42 -08:00 committed by Stefan Reinauer
parent 88bbf166bc
commit b63d34102a
2 changed files with 18 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/soc/intel/broadwell/include/soc/sata.h
View File

@ -25,8 +25,12 @@
#define SATA_SP 0xd0 /* Scratchpad */
/* SATA IOBP Registers */
#define SATA_IOBP_SP0G3IR 0xea000151
#define SATA_IOBP_SP1G3IR 0xea000051
#define SATA_IOBP_SP0_SECRT88 0xea002688
#define SATA_IOBP_SP1_SECRT88 0xea002488
#define SATA_SECRT88_VADJ_MASK 0xff
#define SATA_SECRT88_VADJ_SHIFT 16
#define SATA_IOBP_SP0DTLE_DATA 0xea002550
#define SATA_IOBP_SP0DTLE_EDGE 0xea002554
#define SATA_IOBP_SP1DTLE_DATA 0xea002750

16
src/soc/intel/broadwell/sata.c
View File

@ -138,12 +138,20 @@ static void sata_init(struct device *dev)
/* Set Gen3 Transmitter settings if needed */
if (config->sata_port0_gen3_tx)
pch_iobp_update(SATA_IOBP_SP0G3IR, 0,
config->sata_port0_gen3_tx);
pch_iobp_update(SATA_IOBP_SP0_SECRT88,
~(SATA_SECRT88_VADJ_MASK <<
SATA_SECRT88_VADJ_SHIFT),
(config->sata_port0_gen3_tx &
SATA_SECRT88_VADJ_MASK)
<< SATA_SECRT88_VADJ_SHIFT);
if (config->sata_port1_gen3_tx)
pch_iobp_update(SATA_IOBP_SP1G3IR, 0,
config->sata_port1_gen3_tx);
pch_iobp_update(SATA_IOBP_SP1_SECRT88,
~(SATA_SECRT88_VADJ_MASK <<
SATA_SECRT88_VADJ_SHIFT),
(config->sata_port1_gen3_tx &
SATA_SECRT88_VADJ_MASK)
<< SATA_SECRT88_VADJ_SHIFT);
/* Set Gen3 DTLE DATA / EDGE registers if needed */
if (config->sata_port0_gen3_dtle) {