On 2016/9/9 0:34, Mark Salter wrote:
On Thu, 2016-09-08 at 12:16 +0100, Will Deacon wrote:
On Wed, Sep 07, 2016 at 12:30:19PM +0300, Aleksey Makarov wrote:
On 09/05/2016 03:36 PM, Aleksey Makarov wrote:
SBBR mentions SPCR as a mandatory ACPI table. So enable it for ARM64
Earlycon should be set up as early as possible. ACPI boot tables are
mapped in arch/arm64/kernel/acpi.c:acpi_boot_table_init() that
is called from setup_arch() and that's where we parse SPCR.
So it has to be opted-in per-arch.
When ACPI_SPCR_TABLE is defined initialization of DT earlycon is
deferred until the DT/ACPI decision is done. Initialize DT earlycon
if ACPI is disabled.
Hi Will, Catalin,
Can you review this patch and consider ACKing it please?
Hanjun, Al, Mark, Graeme -- any comments on this?
Will
I think there is a problem still with systems using 32-bit access to 8250
UARTs (i.e. Mustang) but that will need a DBG2 table spec change and
followup patch to resolve.
Hmm, I think you mean we can add patches later with the spec updated,
and this patch works with SBSA pl011 can go for now?
Thanks
Hanjun
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