62 static void __maybe_unused s5p_serial_init(struct s5p_uart *uart)  in s5p_serial_init()  argument
65 	writel(0x3, &uart->ufcon);  in s5p_serial_init()
66 	writel(0, &uart->umcon);  in s5p_serial_init()
68 	writel(0x3, &uart->ulcon);  in s5p_serial_init()
70 	writel(0x245, &uart->ucon);  in s5p_serial_init()
73 static void __maybe_unused s5p_serial_baud(struct s5p_uart *uart, uint uclk,  in s5p_serial_baud()  argument
80 	writel(val / 16 - 1, &uart->ubrdiv);  in s5p_serial_baud()
83 		writew(udivslot[val % 16], &uart->rest.slot);  in s5p_serial_baud()
85 		writeb(val % 16, &uart->rest.value);  in s5p_serial_baud()
92 	struct s5p_uart *const uart = plat->reg;  in s5p_serial_setbrg()  local
107 	s5p_serial_baud(uart, uclk, baudrate);  in s5p_serial_setbrg()
115 	struct s5p_uart *const uart = plat->reg;  in s5p_serial_probe()  local
117 	s5p_serial_init(uart);  in s5p_serial_probe()
122 static int serial_err_check(const struct s5p_uart *const uart, int op)  in serial_err_check()  argument
138 	return readl(&uart->uerstat) & mask;  in serial_err_check()
144 	struct s5p_uart *const uart = plat->reg;  in s5p_serial_getc()  local
146 	if (!(readl(&uart->ufstat) & RX_FIFO_COUNT_MASK))  in s5p_serial_getc()
149 	serial_err_check(uart, 0);  in s5p_serial_getc()
150 	return (int)(readb(&uart->urxh) & 0xff);  in s5p_serial_getc()
156 	struct s5p_uart *const uart = plat->reg;  in s5p_serial_putc()  local
158 	if (readl(&uart->ufstat) & TX_FIFO_FULL)  in s5p_serial_putc()
161 	writeb(ch, &uart->utxh);  in s5p_serial_putc()
162 	serial_err_check(uart, 1);  in s5p_serial_putc()
170 	struct s5p_uart *const uart = plat->reg;  in s5p_serial_pending()  local
171 	uint32_t ufstat = readl(&uart->ufstat);  in s5p_serial_pending()
223 	struct s5p_uart *uart = (struct s5p_uart *)CONFIG_DEBUG_UART_BASE;  in _debug_uart_init()  local
225 	s5p_serial_init(uart);  in _debug_uart_init()
226 	s5p_serial_baud(uart, CONFIG_DEBUG_UART_CLOCK, CONFIG_BAUDRATE);  in _debug_uart_init()
231 	struct s5p_uart *uart = (struct s5p_uart *)CONFIG_DEBUG_UART_BASE;  in _debug_uart_putc()  local
233 	while (readl(&uart->ufstat) & TX_FIFO_FULL);  in _debug_uart_putc()
235 	writeb(ch, &uart->utxh);  in _debug_uart_putc()