diff options
Diffstat (limited to 'src/mainboard/google/cyan/variants/relm/ramstage.c')
| -rw-r--r-- | src/mainboard/google/cyan/variants/relm/ramstage.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/google/cyan/variants/relm/ramstage.c b/src/mainboard/google/cyan/variants/relm/ramstage.c index 27f9dfa241..3fbd2aebd9 100644 --- a/src/mainboard/google/cyan/variants/relm/ramstage.c +++ b/src/mainboard/google/cyan/variants/relm/ramstage.c @@ -36,5 +36,13 @@ void board_silicon_USB2_override(SILICON_INIT_UPD *params) params->Usb2Port3PerPortTxiSet = 0; params->Usb2Port3IUsbTxEmphasisEn = 2; params->Usb2Port3PerPortTxPeHalf = 1; + + //Follow Intel recommendation to set + //BSW D-stepping PERPORTRXISET 2 (low strength) + params->D0Usb2Port0PerPortRXISet = 2; + params->D0Usb2Port1PerPortRXISet = 2; + params->D0Usb2Port2PerPortRXISet = 2; + params->D0Usb2Port3PerPortRXISet = 2; + params->D0Usb2Port4PerPortRXISet = 2; } } |