Raul Rangel has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45098 )
Change subject: mb/google/zork: Set eMMC drive strength preset to A ......................................................................
mb/google/zork: Set eMMC drive strength preset to A
This change has no effect on depthcharge or the kernel. They don't currently look at the preset values.
BUG=b:159823235 TEST=Boot Ezkinil and dump SDHCI preset registers. Verified they are all set to A.
Signed-off-by: Raul E Rangel rrangel@chromium.org Change-Id: Ie2f3497b65d771820ab1a803fec73265547f8906 --- M src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb M src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb 2 files changed, 2 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/98/45098/1
diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb b/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb index 4edbfa4..0c3276b 100644 --- a/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb +++ b/src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb @@ -42,6 +42,7 @@
register "emmc_config" = "{ .timing = SD_EMMC_EMMC_HS400, + .preset_drive_strength = SD_EMMC_DRIVE_STRENGTH_A, }"
register "xhci0_force_gen1" = "0" diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb b/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb index 05bee6b..d78c432 100644 --- a/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb +++ b/src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb @@ -42,6 +42,7 @@
register "emmc_config" = "{ .timing = SD_EMMC_EMMC_HS400, + .preset_drive_strength = SD_EMMC_DRIVE_STRENGTH_A, }"
register "xhci0_force_gen1" = "0"