serial: arm_dcc: Register with serial core

Register arm_dcc with drivers/serial/serial.c

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

drivers/serial/arm_dcc.c

@@ -27,6 +27,7 @@
  */
 
 #include <common.h>
+#include <serial.h>
 
 #if defined(CONFIG_CPU_V6)
 /*
@@ -88,12 +89,12 @@
 
 #define TIMEOUT_COUNT 0x4000000
 
-int arm_dcc_init(void)
+static int arm_dcc_init(void)
 {
 	return 0;
 }
 
-int arm_dcc_getc(void)
+static int arm_dcc_getc(void)
 {
 	int ch;
 	register unsigned int reg;
@@ -106,7 +107,7 @@ int arm_dcc_getc(void)
 	return ch;
 }
 
-void arm_dcc_putc(char ch)
+static void arm_dcc_putc(char ch)
 {
 	register unsigned int reg;
 	unsigned int timeout_count = TIMEOUT_COUNT;
@@ -122,13 +123,13 @@ void arm_dcc_putc(char ch)
 		write_dcc(ch);
 }
 
-void arm_dcc_puts(const char *s)
+static void arm_dcc_puts(const char *s)
 {
 	while (*s)
 		arm_dcc_putc(*s++);
 }
 
-int arm_dcc_tstc(void)
+static int arm_dcc_tstc(void)
 {
 	register unsigned int reg;
 
@@ -137,7 +138,27 @@ int arm_dcc_tstc(void)
 	return reg;
 }
 
+static void arm_dcc_setbrg(void)
+{
+}
+
+static struct serial_device arm_dcc_drv = {
+	.name	= "arm_dcc",
+	.start	= arm_dcc_init,
+	.stop	= NULL,
+	.setbrg	= arm_dcc_setbrg,
+	.putc	= arm_dcc_putc,
+	.puts	= arm_dcc_puts,
+	.getc	= arm_dcc_getc,
+	.tstc	= arm_dcc_tstc,
+};
+
+void arm_dcc_initialize(void)
+{
+	serial_register(&arm_dcc_drv);
+}
+
 __weak struct serial_device *default_serial_console(void)
 {
-	return NULL;
+	return &arm_dcc_drv;
 }

drivers/serial/serial.c

@@ -159,6 +159,7 @@ serial_initfunc(pl01x_serial_initialize);
 serial_initfunc(s3c44b0_serial_initialize);
 serial_initfunc(sa1100_serial_initialize);
 serial_initfunc(sh_serial_initialize);
+serial_initfunc(arm_dcc_initialize);
 
 /**
  * serial_register() - Register serial driver with serial driver core
@@ -251,6 +252,7 @@ void serial_initialize(void)
 	s3c44b0_serial_initialize();
 	sa1100_serial_initialize();
 	sh_serial_initialize();
+	arm_dcc_initialize();
 
 	serial_assign(default_serial_console()->name);
 }