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Diffstat (limited to 'src/soc/mediatek/mt8195/usb.c')
-rw-r--r--src/soc/mediatek/mt8195/usb.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8195/usb.c b/src/soc/mediatek/mt8195/usb.c
index 7b6347e605..b3f00a97cc 100644
--- a/src/soc/mediatek/mt8195/usb.c
+++ b/src/soc/mediatek/mt8195/usb.c
@@ -10,3 +10,31 @@ void mtk_usb_prepare(void)
setbits32(&mtk_topckgen->clk_cfg_11_clr, BIT(7) | BIT(15));
setbits32(&mt8195_infracfg_ao->module_sw_cg_2_clr, BIT(1) | BIT(31));
}
+
+void mtk_usb_adjust_phy_shift(void)
+{
+ u32 phy_set_val, write_val;
+ struct ssusb_sif_port *phy = (void *)(SSUSB_SIF_BASE);
+
+ SET32_BITFIELDS(&phy->u3phyd.phyd_reserved,
+ AUTO_LOAD_DIS, 1);
+
+ phy_set_val = read32((void *)USB_PHY_SETTING_REG);
+
+ /* TX imp */
+ write_val = (phy_set_val & TX_IMP_MASK) >> TX_IMP_SHIFT;
+ SET32_BITFIELDS(&phy->u3phyd.phyd_cal0,
+ TX_IMP_CAL, write_val,
+ TX_IMP_CAL_EN, 1);
+
+ /* RX imp */
+ write_val = (phy_set_val & RX_IMP_MASK) >> RX_IMP_SHIFT;
+ SET32_BITFIELDS(&phy->u3phyd.phyd_cal1,
+ RX_IMP_CAL, write_val,
+ RX_IMP_CAL_EN, 1);
+
+ /* Intr_cal */
+ write_val = (phy_set_val & INTR_CAL_MASK) >> INTR_CAL_SHIFT;
+ SET32_BITFIELDS(&phy->u3phya.phya_reg0,
+ INTR_CAL, write_val);
+}