On Mon, Feb 29, 2016 at 6:02 AM, Aleksey Makarov
<[email protected]> wrote:
> 'ARM Server Base Boot Requiremets' [1] mentions SPCR (Serial Port
> Console Redirection Table) [2] as a mandatory ACPI table that
> specifies the configuration of serial console.
>
> Parse this table and check if any registered console match the
> description. If it does, enable that console.
>
> Introduce a new function acpi_console_check(). At the uart port
> registration, this function checks if the ACPI SPCR table specifies
> its argument of type struct uart_port to be a console
> and if so calls add_preferred_console().
>
> [1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.den0044a/index.html
> [2] http://msdn.microsoft.com/en-us/library/windows/hardware/dn639131(v=vs.85).aspx
>
> Signed-off-by: Aleksey Makarov <[email protected]>
Tested-by: Timur Tabi <[email protected]>
I know another version of patch is coming, but I tested this version
and it works.
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