This patch enables support for UART4 on OMAP4430 development platform.
Updating the patch with kevin's comments.

Signed-off-by: <[email protected]>
---
 arch/arm/mach-omap2/board-4430sdp.c |    2 +-
 arch/arm/mach-omap2/serial.c        |   10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

Index: omap4_dev/arch/arm/mach-omap2/board-4430sdp.c
=================================================================== ---
omap4_dev.orig/arch/arm/mach-omap2/board-4430sdp.c
+++ omap4_dev/arch/arm/mach-omap2/board-4430sdp.c
@@ -39,7 +39,7 @@ static struct platform_device *sdp4430_d
 };

 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 = {
Index: omap4_dev/arch/arm/mach-omap2/serial.c
=================================================================== ---
omap4_dev.orig/arch/arm/mach-omap2/serial.c
+++ omap4_dev/arch/arm/mach-omap2/serial.c
@@ -54,6 +54,16 @@ static struct plat_serial8250_port seria
                .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
        }
 };



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