1 // SPDX-License-Identifier: GPL-2.0+
3  * Copyright (C) 2011-2015 Vladimir Zapolskiy <vz@mleia.com>
21 	struct hsuart_regs *hsuart = priv->hsuart;  in lpc32xx_serial_setbrg()
25 	div = (get_serial_clock() / 14 + baudrate / 2) / baudrate - 1;  in lpc32xx_serial_setbrg()
29 	writel(div, &hsuart->rate);  in lpc32xx_serial_setbrg()
37 	struct hsuart_regs *hsuart = priv->hsuart;  in lpc32xx_serial_getc()
39 	if (!(readl(&hsuart->level) & HSUART_LEVEL_RX))  in lpc32xx_serial_getc()
40 		return -EAGAIN;  in lpc32xx_serial_getc()
42 	return readl(&hsuart->rx) & HSUART_RX_DATA;  in lpc32xx_serial_getc()
48 	struct hsuart_regs *hsuart = priv->hsuart;  in lpc32xx_serial_putc()
51 	if (readl(&hsuart->level) & HSUART_LEVEL_TX)  in lpc32xx_serial_putc()
52 		return -EAGAIN;  in lpc32xx_serial_putc()
54 	writel(c, &hsuart->tx);  in lpc32xx_serial_putc()
59 static int lpc32xx_serial_pending(struct udevice *dev, bool input)  in lpc32xx_serial_pending()  argument
62 	struct hsuart_regs *hsuart = priv->hsuart;  in lpc32xx_serial_pending()
64 	if (input) {  in lpc32xx_serial_pending()
65 		if (readl(&hsuart->level) & HSUART_LEVEL_RX)  in lpc32xx_serial_pending()
68 		if (readl(&hsuart->level) & HSUART_LEVEL_TX)  in lpc32xx_serial_pending()
77 	/* Disable hardware RTS and CTS flow control, set up RX and TX FIFO */  in lpc32xx_serial_init()
80 	       &hsuart->ctrl);  in lpc32xx_serial_init()
90 	priv->hsuart = (struct hsuart_regs *)platdata->base;  in lpc32xx_hsuart_probe()
92 	lpc32xx_serial_init(priv->hsuart);  in lpc32xx_hsuart_probe()