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→Configure Linux kernel
=== Configure Linux kernel ===
There's no need to change Linux source code or configuration, because UART devices are automatically registered at boot.
Here is an example of kernel boot messages on a [[:Category:Naon|Naon]] module.
<pre class="board-terminal">
[ 0.960000] omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1
[ 0.970000] omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2
[ 0.980000] omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3
[ 0.990000] omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4
[ 0.990000] omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5
</pre>
