/*
* (c) 2004 Sascha Hauer <sascha@saschahauer.de>
*
- * 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>
#include <asm/arch/imx-regs.h>
+#include <serial.h>
+#include <linux/compiler.h>
#if defined CONFIG_IMX_SERIAL1
#define UART_BASE IMX_UART1_BASE
DECLARE_GLOBAL_DATA_PTR;
-void serial_setbrg (void)
+static void imx_serial_setbrg(void)
{
serial_init();
}
* are always 8 data bits, no parity, 1 stop bit, no start bits.
*
*/
-int serial_init (void)
+static int imx_serial_init(void)
{
volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
unsigned int ufcr_rfdiv;
* otherwise. When the function is successful, the character read is
* written into its argument c.
*/
-int serial_getc (void)
+static int imx_serial_getc(void)
{
volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
unsigned char ch;
/*
* Output a single byte to the serial port.
*/
-void serial_putc (const char c)
+static void imx_serial_putc(const char c)
{
volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
/* Wait for Tx FIFO not full */
while (base->uts & UTS_TXFULL);
- base->utxd[0] = c;
-
/* If \n, also do \r */
if (c == '\n')
serial_putc ('\r');
+
+ base->utxd[0] = c;
}
/*
* Test whether a character is in the RX buffer
*/
-int serial_tstc (void)
+static int imx_serial_tstc(void)
{
volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
return 1;
}
-void
-serial_puts (const char *s)
+static struct serial_device imx_serial_drv = {
+ .name = "imx_serial",
+ .start = imx_serial_init,
+ .stop = NULL,
+ .setbrg = imx_serial_setbrg,
+ .putc = imx_serial_putc,
+ .puts = default_serial_puts,
+ .getc = imx_serial_getc,
+ .tstc = imx_serial_tstc,
+};
+
+void imx_serial_initialize(void)
+{
+ serial_register(&imx_serial_drv);
+}
+
+__weak struct serial_device *default_serial_console(void)
{
- while (*s) {
- serial_putc (*s++);
- }
+ return &imx_serial_drv;
}