*
* based on drivers/serial/s3c64xx.c
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
0xffdf,
};
-void serial_setbrg_dev(const int dev_index)
+static void serial_setbrg_dev(const int dev_index)
{
struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
u32 uclk = get_uart_clk(dev_index);
* Initialise the serial port with the given baudrate. The settings
* are always 8 data bits, no parity, 1 stop bit, no start bits.
*/
-int serial_init_dev(const int dev_index)
+static int serial_init_dev(const int dev_index)
{
struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
- /* enable FIFOs */
- writel(0x1, &uart->ufcon);
+ /* enable FIFOs, auto clear Rx FIFO */
+ writel(0x3, &uart->ufcon);
writel(0, &uart->umcon);
/* 8N1 */
writel(0x3, &uart->ulcon);
* otherwise. When the function is succesfull, the character read is
* written into its argument c.
*/
-int serial_getc_dev(const int dev_index)
+static int serial_getc_dev(const int dev_index)
{
struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
/*
* Output a single byte to the serial port.
*/
-void serial_putc_dev(const char c, const int dev_index)
+static void serial_putc_dev(const char c, const int dev_index)
{
struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
/*
* Test whether a character is in the RX buffer
*/
-int serial_tstc_dev(const int dev_index)
+static int serial_tstc_dev(const int dev_index)
{
struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
return (int)(readl(&uart->utrstat) & 0x1);
}
-void serial_puts_dev(const char *s, const int dev_index)
+static void serial_puts_dev(const char *s, const int dev_index)
{
while (*s)
serial_putc_dev(*s++, dev_index);
/* Multi serial device functions */
#define DECLARE_S5P_SERIAL_FUNCTIONS(port) \
-int s5p_serial##port##_init(void) { return serial_init_dev(port); } \
-void s5p_serial##port##_setbrg(void) { serial_setbrg_dev(port); } \
-int s5p_serial##port##_getc(void) { return serial_getc_dev(port); } \
-int s5p_serial##port##_tstc(void) { return serial_tstc_dev(port); } \
-void s5p_serial##port##_putc(const char c) { serial_putc_dev(c, port); } \
-void s5p_serial##port##_puts(const char *s) { serial_puts_dev(s, port); }
+static int s5p_serial##port##_init(void) { return serial_init_dev(port); } \
+static void s5p_serial##port##_setbrg(void) { serial_setbrg_dev(port); } \
+static int s5p_serial##port##_getc(void) { return serial_getc_dev(port); } \
+static int s5p_serial##port##_tstc(void) { return serial_tstc_dev(port); } \
+static void s5p_serial##port##_putc(const char c) { serial_putc_dev(c, port); } \
+static void s5p_serial##port##_puts(const char *s) { serial_puts_dev(s, port); }
#define INIT_S5P_SERIAL_STRUCTURE(port, __name) { \
.name = __name, \