From bcefbe163f70ef2590be252057d626e788047b16 Mon Sep 17 00:00:00 2001 From: Tim Chen Date: Fri, 25 Aug 2017 11:00:14 +0800 Subject: mainboard/google/coral: Add USB2 phy setting override for Santa In order to pass type C USB2 eye diagram for sku Santa, USB2 port#1 PHY register needs to be overridden. port#1: PERPORTPETXISET = 7 PERPORTTXISET = 2 BUG=b:64880573 BRANCH=master TEST=emerge-coral coreboot chromeos-bootimage Change-Id: I07c0b7b0f08263a348befb7d6fd8d01028314470 Signed-off-by: Tim Chen Reviewed-on: https://review.coreboot.org/21199 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi Reviewed-by: Aaron Durbin --- .../google/reef/variants/coral/mainboard.c | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'src/mainboard/google/reef') diff --git a/src/mainboard/google/reef/variants/coral/mainboard.c b/src/mainboard/google/reef/variants/coral/mainboard.c index 3da54569bc..c60c083eac 100644 --- a/src/mainboard/google/reef/variants/coral/mainboard.c +++ b/src/mainboard/google/reef/variants/coral/mainboard.c @@ -16,6 +16,13 @@ #include #include #include "baseboard/variants.h" +#include +#include + +enum { + SKU_2_SANTA = 2, + SKU_3_SANTA = 3 +}; uint8_t variant_board_sku(void) { @@ -31,3 +38,22 @@ void variant_nhlt_oem_overrides(const char **oem_id, *oem_table_id = CONFIG_VARIANT_DIR; *oem_revision = variant_board_sku(); } + +void mainboard_devtree_update(struct device *dev) +{ + /* Override dev tree settings per board */ + struct soc_intel_apollolake_config *cfg = dev->chip_info; + uint8_t sku_id; + + sku_id = variant_board_sku(); + + switch (sku_id) { + case SKU_2_SANTA: + case SKU_3_SANTA: + cfg->usb2eye[1].Usb20PerPortPeTxiSet = 7; + cfg->usb2eye[1].Usb20PerPortTxiSet = 2; + break; + default: + break; + } +} -- cgit v1.2.3