serial: arm: Implement CONFIG_SERIAL_MULTI into s3c44b0 serial driver

[people/ms/u-boot.git] / drivers / serial / serial_s3c44b0.c

diff --git a/drivers/serial/serial_s3c44b0.c b/drivers/serial/serial_s3c44b0.c
index 95d0266c6c675cba1a31f98e8c007d9cae21fa37..8beba1abc8235f1d5c1820e2ff0459ad3241b550 100644 (file)
--- a/drivers/serial/serial_s3c44b0.c
+++ b/drivers/serial/serial_s3c44b0.c
@@ -68,7 +68,7 @@ static int serial_flush_output(void)
 }
 
 
-void serial_setbrg (void)
+static void s3c44b0_serial_setbrg(void)
 {
        u32 divisor = 0;
 
@@ -156,7 +156,7 @@ void serial_setbrg (void)
  * are always 8 data bits, no parity, 1 stop bit, no start bits.
  *
  */
-int serial_init (void)
+static int s3c44b0_serial_init(void)
 {
        serial_setbrg ();
 
@@ -167,7 +167,7 @@ int serial_init (void)
 /*
  * Output a single byte to the serial port.
  */
-void serial_putc (const char c)
+static void s3c44b0_serial_putc(const char c)
 {
        /* wait for room in the transmit FIFO */
        while(!(UTRSTAT0 & 0x02));
@@ -187,7 +187,7 @@ void serial_putc (const char c)
  * otherwise. When the function is succesfull, the character read is
  * written into its argument c.
  */
-int serial_tstc (void)
+static int s3c44b0_serial_tstc(void)
 {
        return (UTRSTAT0 & 0x01);
 }
@@ -197,22 +197,74 @@ int serial_tstc (void)
  * otherwise. When the function is succesfull, the character read is
  * written into its argument c.
  */
-int serial_getc (void)
+static int s3c44b0_serial_getc(void)
 {
        int rv;
 
        for(;;) {
-               rv = serial_tstc();
+               rv = s3c44b0_serial_tstc();
 
                if(rv > 0)
                        return URXH0;
        }
 }
 
-void
-serial_puts (const char *s)
+static void s3c44b0_serial_puts(const char *s)
 {
        while (*s) {
                serial_putc (*s++);
        }
 }
+
+#ifdef CONFIG_SERIAL_MULTI
+static struct serial_device s3c44b0_serial_drv = {
+       .name   = "s3c44b0_serial",
+       .start  = s3c44b0_serial_init,
+       .stop   = NULL,
+       .setbrg = s3c44b0_serial_setbrg,
+       .putc   = s3c44b0_serial_putc,
+       .puts   = s3c44b0_serial_puts,
+       .getc   = s3c44b0_serial_getc,
+       .tstc   = s3c44b0_serial_tstc,
+};
+
+void s3c44b0_serial_initialize(void)
+{
+       serial_register(&s3c44b0_serial_drv);
+}
+
+__weak struct serial_device *default_serial_console(void)
+{
+       return &s3c44b0_serial_drv;
+}
+#else
+int serial_init(void)
+{
+       return s3c44b0_serial_init();
+}
+
+void serial_setbrg(void)
+{
+       s3c44b0_serial_setbrg();
+}
+
+void serial_putc(const char c)
+{
+       s3c44b0_serial_putc(c);
+}
+
+void serial_puts(const char *s)
+{
+       s3c44b0_serial_puts(s);
+}
+
+int serial_getc(void)
+{
+       return s3c44b0_serial_getc();
+}
+
+int serial_tstc(void)
+{
+       return s3c44b0_serial_tstc();
+}
+#endif