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-rw-r--r--src/mainboard/google/cyan/variants/celes/devicetree.cb6
-rw-r--r--src/mainboard/google/cyan/variants/celes/ramstage.c7
2 files changed, 7 insertions, 6 deletions
diff --git a/src/mainboard/google/cyan/variants/celes/devicetree.cb b/src/mainboard/google/cyan/variants/celes/devicetree.cb
index 2e708af0d6..a1ab510810 100644
--- a/src/mainboard/google/cyan/variants/celes/devicetree.cb
+++ b/src/mainboard/google/cyan/variants/celes/devicetree.cb
@@ -73,12 +73,6 @@ chip soc/intel/braswell
register "ISPEnable" = "0" # Disable IUNIT
register "ISPPciDevConfig" = "3"
register "PcdSdDetectChk" = "0" # Disable SD card detect
- # Follow Intel recommendation to set BSW D-stepping PERPORTRXISET 2 (low strength)
- register "D0Usb2Port0PerPortRXISet" = "2"
- register "D0Usb2Port1PerPortRXISet" = "2"
- register "D0Usb2Port2PerPortRXISet" = "2"
- register "D0Usb2Port3PerPortRXISet" = "2"
- register "D0Usb2Port4PerPortRXISet" = "2"
# LPE audio codec settings
register "lpe_codec_clk_src" = "LPE_CLK_SRC_XTAL" # 19.2MHz clock
diff --git a/src/mainboard/google/cyan/variants/celes/ramstage.c b/src/mainboard/google/cyan/variants/celes/ramstage.c
index 88b17f5da7..6c522a1d0c 100644
--- a/src/mainboard/google/cyan/variants/celes/ramstage.c
+++ b/src/mainboard/google/cyan/variants/celes/ramstage.c
@@ -19,29 +19,36 @@ void board_silicon_USB2_override(SILICON_INIT_UPD *params)
{
if (SocStepping() >= SocD0) {
+ //Follow Intel recommendation to set
+ //BSW D-stepping PERPORTRXISET 2 (low strength)
params->Usb2Port0PerPortPeTxiSet = 7;
params->Usb2Port0PerPortTxiSet = 0;
params->Usb2Port0IUsbTxEmphasisEn = 3;
params->Usb2Port0PerPortTxPeHalf = 1;
+ params->D0Usb2Port0PerPortRXISet = 2;
params->Usb2Port1PerPortPeTxiSet = 7;
params->Usb2Port1PerPortTxiSet = 0;
params->Usb2Port1IUsbTxEmphasisEn = 3;
params->Usb2Port1PerPortTxPeHalf = 1;
+ params->D0Usb2Port1PerPortRXISet = 2;
params->Usb2Port2PerPortPeTxiSet = 7;
params->Usb2Port2PerPortTxiSet = 6;
params->Usb2Port2IUsbTxEmphasisEn = 3;
params->Usb2Port2PerPortTxPeHalf = 1;
+ params->D0Usb2Port2PerPortRXISet = 2;
params->Usb2Port3PerPortPeTxiSet = 7;
params->Usb2Port3PerPortTxiSet = 6;
params->Usb2Port3IUsbTxEmphasisEn = 3;
params->Usb2Port3PerPortTxPeHalf = 1;
+ params->D0Usb2Port3PerPortRXISet = 2;
params->Usb2Port4PerPortPeTxiSet = 7;
params->Usb2Port4PerPortTxiSet = 6;
params->Usb2Port4IUsbTxEmphasisEn = 3;
params->Usb2Port4PerPortTxPeHalf = 1;
+ params->D0Usb2Port4PerPortRXISet = 2;
}
}