X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fserial%2Faltera_jtag_uart.c;h=0573c7a9876460c0035dc54accb195ff0138cef8;hb=cb033741f425c8290fdcfbe6da4ae69b504c52fa;hp=2980e4d07c18105a9c27827102f9be97edc18dee;hpb=c303176aa0cf8c5fc38e7c2d5e181e89cca72ef6;p=oweals%2Fu-boot.git

diff --git a/drivers/serial/altera_jtag_uart.c b/drivers/serial/altera_jtag_uart.c
index 2980e4d07c..0573c7a987 100644
--- a/drivers/serial/altera_jtag_uart.c
+++ b/drivers/serial/altera_jtag_uart.c
@@ -2,29 +2,15 @@
  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
  * Scott McNutt <smcnutt@psyent.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <watchdog.h>
 #include <asm/io.h>
 #include <nios2-io.h>
+#include <linux/compiler.h>
+#include <serial.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -33,10 +19,16 @@ DECLARE_GLOBAL_DATA_PTR;
  *-----------------------------------------------------------------*/
 static nios_jtag_t *jtag = (nios_jtag_t *)CONFIG_SYS_NIOS_CONSOLE;
 
-void serial_setbrg( void ){ return; }
-int serial_init( void ) { return(0);}
+static void altera_jtag_serial_setbrg(void)
+{
+}
 
-void serial_putc (char c)
+static int altera_jtag_serial_init(void)
+{
+	return 0;
+}
+
+static void altera_jtag_serial_putc(char c)
 {
 	while (1) {
 		unsigned st = readl(&jtag->control);
@@ -51,18 +43,12 @@ void serial_putc (char c)
 	writel ((unsigned char)c, &jtag->data);
 }
 
-void serial_puts (const char *s)
-{
-	while (*s != 0)
-		serial_putc (*s++);
-}
-
-int serial_tstc (void)
+static int altera_jtag_serial_tstc(void)
 {
 	return ( readl (&jtag->control) & NIOS_JTAG_RRDY);
 }
 
-int serial_getc (void)
+static int altera_jtag_serial_getc(void)
 {
 	int c;
 	unsigned val;
@@ -76,3 +62,24 @@ int serial_getc (void)
 	c = val & 0x0ff;
 	return (c);
 }
+
+static struct serial_device altera_jtag_serial_drv = {
+	.name	= "altera_jtag_uart",
+	.start	= altera_jtag_serial_init,
+	.stop	= NULL,
+	.setbrg	= altera_jtag_serial_setbrg,
+	.putc	= altera_jtag_serial_putc,
+	.puts	= default_serial_puts,
+	.getc	= altera_jtag_serial_getc,
+	.tstc	= altera_jtag_serial_tstc,
+};
+
+void altera_jtag_serial_initialize(void)
+{
+	serial_register(&altera_jtag_serial_drv);
+}
+
+__weak struct serial_device *default_serial_console(void)
+{
+	return &altera_jtag_serial_drv;
+}