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/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
/*
* This file is created based on MT8188 Functional Specification
* Chapter number: 13.1,13.2
*/
#include <soc/addressmap.h>
#include <device/mmio.h>
#include <soc/usb.h>
#define CTRL_U3_PORT_SS_SUP_SPEED (3U << 9)
void mtk_usb_prepare(void)
{
/* SW sets this register to change USB3.2 speed to Gen1-5Gbps */
struct ssusb_ippc_regs *ippc_regs = (void *)(SSUSB_IPPC_BASE);
clrsetbits32(&ippc_regs->u3_ctrl_p[0], CTRL_U3_PORT_SS_SUP_SPEED, 0);
}
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