Messages in this thread | | | Subject | Re: [PATCH v3 0/5] ACPI: parse the SPCR table | From | Mark Salter <> | Date | Tue, 16 Feb 2016 14:11:43 -0500 |
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On Mon, 2016-02-15 at 21:05 +0300, Aleksey Makarov wrote: > This patchset is based on the patchset by Leif Lindholm [1] > > 'ARM Server Base Boot Requirements' [2] mentions SPCR (Serial Port > Console Redirection Table) [3] as a mandatory ACPI table that > specifies the configuration of serial console. > > SPCR support is included in QEMU's ARM mach-virt since 2.4 release. > > 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(). > > Use SPCR to tell if SBSA serial driver should use 32-bit access to registers. > > To be able to access SPCR table each time any console is registered > change __init to __ref for early_acpi_os_unmap_memory(). > > The patchset should be applied to tty-next.
On Mustang, m400, and Seattle:
Tested-by: Mark Salter <msalter@redhat.com>
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