1 files changed, 48 insertions, 23 deletions

diff --git a/drivers/serial/lpc32xx_hsuart.c b/drivers/serial/lpc32xx_hsuart.c
index 8ce3382..536fd46 100644
--- a/drivers/serial/lpc32xx_hsuart.c
+++ b/drivers/serial/lpc32xx_hsuart.c
@@ -22,12 +22,14 @@
 #include <asm/arch/clk.h>
 #include <asm/arch/uart.h>
 #include <asm/io.h>
+#include <serial.h>
+#include <linux/compiler.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 static struct hsuart_regs *hsuart = (struct hsuart_regs *)HS_UART_BASE;
 
-static void lpc32xx_hsuart_set_baudrate(void)
+static void lpc32xx_serial_setbrg(void)
 {
 	u32 div;
 
@@ -39,7 +41,7 @@ static void lpc32xx_hsuart_set_baudrate(void)
 	writel(div, &hsuart->rate);
 }
 
-static int lpc32xx_hsuart_getc(void)
+static int lpc32xx_serial_getc(void)
 {
 	while (!(readl(&hsuart->level) & HSUART_LEVEL_RX))
 		/* NOP */;
@@ -47,7 +49,7 @@ static int lpc32xx_hsuart_getc(void)
 	return readl(&hsuart->rx) & HSUART_RX_DATA;
 }
 
-static void lpc32xx_hsuart_putc(const char c)
+static void lpc32xx_serial_putc(const char c)
 {
 	writel(c, &hsuart->tx);
 
@@ -56,7 +58,7 @@ static void lpc32xx_hsuart_putc(const char c)
 		/* NOP */;
 }
 
-static int lpc32xx_hsuart_tstc(void)
+static int lpc32xx_serial_tstc(void)
 {
 	if (readl(&hsuart->level) & HSUART_LEVEL_RX)
 		return 1;
@@ -64,49 +66,72 @@ static int lpc32xx_hsuart_tstc(void)
 	return 0;
 }
 
-static void lpc32xx_hsuart_init(void)
+static int lpc32xx_serial_init(void)
 {
-	lpc32xx_hsuart_set_baudrate();
+	lpc32xx_serial_setbrg();
 
 	/* Disable hardware RTS and CTS flow control, set up RX and TX FIFO */
 	writel(HSUART_CTRL_TMO_16 | HSUART_CTRL_HSU_OFFSET(20) |
 	       HSUART_CTRL_HSU_RX_TRIG_32 | HSUART_CTRL_HSU_TX_TRIG_0,
 	       &hsuart->ctrl);
+	return 0;
 }
 
-void serial_setbrg(void)
+static void lpc32xx_serial_puts(const char *s)
 {
-	return lpc32xx_hsuart_set_baudrate();
+	while (*s)
+		serial_putc(*s++);
 }
 
-void serial_putc(const char c)
+#ifdef CONFIG_SERIAL_MULTI
+static struct serial_device lpc32xx_serial_drv = {
+	.name	= "lpc32xx_serial",
+	.start	= lpc32xx_serial_init,
+	.stop	= NULL,
+	.setbrg	= lpc32xx_serial_setbrg,
+	.putc	= lpc32xx_serial_putc,
+	.puts	= lpc32xx_serial_puts,
+	.getc	= lpc32xx_serial_getc,
+	.tstc	= lpc32xx_serial_tstc,
+};
+
+void lpc32xx_serial_initialize(void)
 {
-	lpc32xx_hsuart_putc(c);
+	serial_register(&lpc32xx_serial_drv);
+}
 
-	/* If \n, also do \r */
-	if (c == '\n')
-		lpc32xx_hsuart_putc('\r');
+__weak struct serial_device *default_serial_console(void)
+{
+	return &lpc32xx_serial_drv;
+}
+#else
+int serial_init(void)
+{
+	return lpc32xx_serial_init();
 }
 
-int serial_getc(void)
+void serial_setbrg(void)
 {
-	return lpc32xx_hsuart_getc();
+	lpc32xx_serial_setbrg();
 }
 
-void serial_puts(const char *s)
+void serial_putc(const char c)
 {
-	while (*s)
-		serial_putc(*s++);
+	lpc32xx_serial_putc(c);
 }
 
-int serial_tstc(void)
+void serial_puts(const char *s)
 {
-	return lpc32xx_hsuart_tstc();
+	lpc32xx_serial_puts(s);
 }
 
-int serial_init(void)
+int serial_getc(void)
 {
-	lpc32xx_hsuart_init();
+	return lpc32xx_serial_getc();
+}
 
-	return 0;
+int serial_tstc(void)
+{
+	return lpc32xx_serial_tstc();
 }
+#endif