[U-Boot] [PATCH] x86: qemu: Drop our own ACPI implementation

[Stefan Roese <sr@denx.de>]

Hi Bin,

On 20.04.2016 15:45, Bin Meng wrote:
> On Wed, Apr 20, 2016 at 9:13 PM, Simon Glass <sjg@chromium.org> wrote:
>> Hi Bin,
>>
>> On 13 April 2016 at 01:52, Bin Meng <bmeng.cn@gmail.com> wrote:
>>> Our own ACPI implementation (when CONFIG_QEMU_ACPI_TABLE is not set)
>>> does not build anymore after x86 has been fully converted to DM PCI.
>>> Instead of trying to fix the build errors, given we now have the ACPI
>>> support via QEMU's fw_cfg interface, which is a more reliable way to
>>> generate correct ACPI tables then by ourselves, hence drop our own
>>> ACPI implementation.
>>>
>>> Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
>>>
>>> ---
>>>
>>> arch/x86/cpu/qemu/Makefile | 3 -
>>> arch/x86/cpu/qemu/acpi.c | 176 --------------
>>> arch/x86/cpu/qemu/acpi/cpu-hotplug.asl | 80 -------
>>> arch/x86/cpu/qemu/acpi/dbug.asl | 25 --
>>> arch/x86/cpu/qemu/acpi/hpet.asl | 31 ---
>>> arch/x86/cpu/qemu/acpi/isa.asl | 102 --------
>>> arch/x86/cpu/qemu/acpi/pci-crs.asl | 61 -----
>>> arch/x86/cpu/qemu/dsdt.asl | 412 ---------------------------------
>>> 8 files changed, 890 deletions(-)
>>> delete mode 100644 arch/x86/cpu/qemu/acpi.c
>>> delete mode 100644 arch/x86/cpu/qemu/acpi/cpu-hotplug.asl
>>> delete mode 100644 arch/x86/cpu/qemu/acpi/dbug.asl
>>> delete mode 100644 arch/x86/cpu/qemu/acpi/hpet.asl
>>> delete mode 100644 arch/x86/cpu/qemu/acpi/isa.asl
>>> delete mode 100644 arch/x86/cpu/qemu/acpi/pci-crs.asl
>>> delete mode 100644 arch/x86/cpu/qemu/dsdt.asl
>>
>> Reviewed-by: Simon Glass <sjg@chromium.org>
>>
>> My only concern is that this was supposed to lead to ACPI support for real
>> hardware. If you drop this, does it make it harder?
>
> No, the infrastructure is still there. Only the QEMU ASL (manual) part
> was removed. I am going to add ACPI support to BayTrail soon
> (hopefully).

Interesting. This is also on my to-do list. We should definitely
coordinate our efforts here. So please keep me updated once you
really start here. I'll do the same. :)

Thanks,
Stefan


-- 
Viele Gr??e,
Stefan

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