2009/5/14 Kim Kyuwon <chammoru@xxxxxxxxx>:
> Hi All,
>
> We are using two UARTs port in OMAP3430 board shown as following
> UART 1 - not used
> UART 2 - BT
> UART 3 - console ("console=ttyS2,115200n8" in 'bootargs' of bootloader)
>
> Because we are not using UART port 1, I configured our board file as following
> 735 static struct omap_uart_config omap3_boardname_uart_config __initdata = {
> 736 .enabled_uarts = ((1 << 1) | (1 << 2)),
> 737 };
> However, I couldn't see any console message.
>
> If I configured like
> 735 static struct omap_uart_config omap3_boardname_uart_config __initdata = {
> 736 .enabled_uarts = ((1 << 0) (1 << 1) | (1 << 2)),
> 737 };
> I could see console messages. But I think this is not the real solution.
>
> Is it correct to use ttyS2, if I use UART3 as console UART?
>
> Anyway, I kept track of this problem and I'm sending the patch.
In your case UART2 becomes ttyS0 and UART3 becomes ttyS1, so use
"console=ttyS1" in your bootargs. There is no point exposing UART1 as
ttyS0 in Linux if it's not connected on your board.
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