ARM: OMAP4: Add UART4 support

This patch adds UART4 support on OMAP4430 development platform.

Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>

2 files changed, 11 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 57e477bd89c6..7e1e721f0324 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -39,7 +39,7 @@ static struct platform_device *sdp4430_devices[] __initdata = {
 };
 
 static struct omap_uart_config sdp4430_uart_config __initdata = {
-        .enabled_uarts  = (1 << 0) | (1 << 1) | (1 << 2),
+        .enabled_uarts  = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3),
 };
 
 static struct omap_lcd_config sdp4430_lcd_config __initdata = {
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index b094c15bfe47..c0bea75f13f8 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -97,6 +97,16 @@ static struct plat_serial8250_port serial_platform_data[] = {
                 .regshift       = 2,
                 .uartclk        = OMAP24XX_BASE_BAUD * 16,
         }, {
+#ifdef CONFIG_ARCH_OMAP4
+                .membase        = IO_ADDRESS(OMAP_UART4_BASE),
+                .mapbase        = OMAP_UART4_BASE,
+                .irq            = 70,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .iotype         = UPIO_MEM,
+                .regshift       = 2,
+                .uartclk        = OMAP24XX_BASE_BAUD * 16,
+        }, {
+#endif
                 .flags          = 0
         }
 };