diff options
| author | Kevin Chiu <kevin.chiu.17802@gmail.com> | 2021-02-22 10:29:57 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-02-23 15:43:28 +0000 |
| commit | 5b3e995710733afe68ea101480e503f18722e171 (patch) | |
| tree | 9005d7844125338c01644179a327141a1de3d3cb /src/mainboard | |
| parent | dfd52bd466485e73f1511e05ee7499b05413224b (diff) | |
mb/google/zork: update USB 3 controller phy Parameter for gumboz
Recommendation from SOC to config IQ=8 for U3 port0,
vboost for all U3 ports for passing ESD pin test.
BUG=b:173476380
BRANCH=zork
TEST=1. emerge-zork coreboot
2. run U3 SI/ESD pin test => pass
Change-Id: I0e6414f686a995536a0fd8aa0f6f70e5a36718a3
Signed-off-by: Kevin Chiu <kevin.chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50992
Reviewed-by: Kangheui Won <khwon@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/zork/variants/gumboz/overridetree.cb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/gumboz/overridetree.cb b/src/mainboard/google/zork/variants/gumboz/overridetree.cb index 1cbe0584be..b25641a828 100644 --- a/src/mainboard/google/zork/variants/gumboz/overridetree.cb +++ b/src/mainboard/google/zork/variants/gumboz/overridetree.cb @@ -60,6 +60,27 @@ chip soc/amd/picasso .tx_res_tune = 0x01, }" + # USB3 phy parameter + register "usb3_phy_override" = "1" + + # USB3 Port0 Default + register "usb3_phy_tune_params[0]" = "{ + .rx_eq_delta_iq_ovrd_val = 0x8, + .rx_eq_delta_iq_ovrd_en = 0x1, + }" + + # SUP_DIG_LVL_OVRD_IN Default + register "usb3_rx_vref_ctrl" = "0x10" + register "usb3_rx_vref_ctrl_en" = "0x00" + register "usb_3_tx_vboost_lvl" = "0x07" + register "usb_3_tx_vboost_lvl_en" = "0x01" + + # SUPX_DIG_LVL_OVRD_IN Default + register "usb_3_rx_vref_ctrl_x" = "0x10" + register "usb_3_rx_vref_ctrl_en_x" = "0x00" + register "usb_3_tx_vboost_lvl_x" = "0x07" + register "usb_3_tx_vboost_lvl_en_x" = "0x01" + # I2C2 for touchscreen and trackpad register "i2c[2]" = "{ .speed = I2C_SPEED_FAST, |