3 files changed, 31 insertions, 3 deletions

diff --git a/arch/arm/mach-s3c2410/include/mach/irqs.h b/arch/arm/mach-s3c2410/include/mach/irqs.h
index fa8764b05692..9565903d490b 100644
--- a/arch/arm/mach-s3c2410/include/mach/irqs.h
+++ b/arch/arm/mach-s3c2410/include/mach/irqs.h
@@ -162,6 +162,12 @@
 #define NR_IRQS (IRQ_S3C2440_AC97+1)
 #endif
 
+/* compatibility define. */
+#define IRQ_UART3               IRQ_S3C2443_UART3
+#define IRQ_S3CUART_RX3         IRQ_S3C2443_RX3
+#define IRQ_S3CUART_TX3         IRQ_S3C2443_TX3
+#define IRQ_S3CUART_ERR3        IRQ_S3C2443_ERR3
+
 /* Our FIQs are routable from IRQ_EINT0 to IRQ_ADCPARENT */
 #define FIQ_START               IRQ_EINT0
 
diff --git a/arch/arm/plat-s3c/include/plat/regs-serial.h b/arch/arm/plat-s3c/include/plat/regs-serial.h
index 3ca28585cf80..487d7d2a7e1d 100644
--- a/arch/arm/plat-s3c/include/plat/regs-serial.h
+++ b/arch/arm/plat-s3c/include/plat/regs-serial.h
@@ -238,7 +238,7 @@ struct s3c2410_uartcfg {
  * or platform_add_device() before the console_initcall()
 */
 
-extern struct platform_device *s3c24xx_uart_devs[3];
+extern struct platform_device *s3c24xx_uart_devs[4];
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index 14d4f0bc1253..16ac01d9b8ab 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -76,6 +76,19 @@ static struct resource s3c2410_uart2_resource[] = {
         }
 };
 
+static struct resource s3c2410_uart3_resource[] = {
+        [0] = {
+                .start = S3C2443_PA_UART3,
+                .end   = S3C2443_PA_UART3 + 0x3fff,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = IRQ_S3CUART_RX3,
+                .end   = IRQ_S3CUART_ERR3,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
 struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
         [0] = {
                 .resources      = s3c2410_uart0_resource,
@@ -89,6 +102,10 @@ struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
                 .resources      = s3c2410_uart2_resource,
                 .nr_resources   = ARRAY_SIZE(s3c2410_uart2_resource),
         },
+        [3] = {
+                .resources      = s3c2410_uart3_resource,
+                .nr_resources   = ARRAY_SIZE(s3c2410_uart3_resource),
+        },
 };
 
 /* yart devices */
@@ -105,13 +122,18 @@ static struct platform_device s3c24xx_uart_device2 = {
         .id             = 2,
 };
 
-struct platform_device *s3c24xx_uart_src[3] = {
+static struct platform_device s3c24xx_uart_device3 = {
+        .id             = 3,
+};
+
+struct platform_device *s3c24xx_uart_src[4] = {
         &s3c24xx_uart_device0,
         &s3c24xx_uart_device1,
         &s3c24xx_uart_device2,
+        &s3c24xx_uart_device3,
 };
 
-struct platform_device *s3c24xx_uart_devs[3] = {
+struct platform_device *s3c24xx_uart_devs[4] = {
 };
 
 /* USB Host Controller */