usb.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <device/mmio.h>
#include <soc/infracfg.h>
#include <soc/pll.h>
#include <soc/usb.h>
 
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);
}