[U-Boot] [PATCH v2 16/18] x86: baytrail: Add internal UART ASL description

[Simon Glass]

On 11 May 2016 at 08:45, Bin Meng <bmeng.cn at gmail.com> wrote:
> BayTrail integrates an internal ns15550 compatible UART (PNP0501).
> Its IRQ is hardwired to IRQ3 in old revision chipset, but in newer
> revision one IRQ4 is being used for ISA compatibility. Handle this
> correctly in the ASL file.
>
> Linux does not need this ASL, but Windows need this to correctly
> discover a COM port existing in the system so that Windows can
> show it in the 'Device Manager' window, and expose this COM port
> to any terminal emulation application.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
>
> Changes in v2: None
>
>  .../include/asm/arch-baytrail/acpi/irqlinks.asl    |  4 ++
>  arch/x86/include/asm/arch-baytrail/acpi/lpc.asl    | 60 ++++++++++++++++++++++
>  2 files changed, 64 insertions(+)

Reviewed-by: Simon Glass <sjg at chromium.org>