Commit graph

6 commits

Author SHA1 Message Date
Bin Meng
319506c7a9 x86: baytrail: acpi: Create buffers outside of the methods
Create buffers outside of the methods as ACPICA 20200430 complains
about this:

  Remark 2173 - Creation of named objects within a method is highly
  inefficient, use globals or method local variables instead
  (\_SB.PCI0.LPCB.IURT._CRS)

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-06-02 09:16:13 +08:00
Tom Rini
83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00
Bin Meng
3ff11aaa50 x86: baytrail: acpi: Hide internal UART per GNVS setting
If global NVS says internal UART is not enabled, hide it in the ASL
code so that OS won't see it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: George McCollister <george.mccollister@gmail.com>
Tested-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2016-07-12 13:46:01 +08:00
Bin Meng
0d71511a2a x86: acpi: Create a common irqlinks ASL file
Move the irqlinks.asl file currently in the BayTrail directory to
a common place to be shared among all x86 platforms. As the PIRQ
routing control programming interface is common to Intel chipsets,
leave the common part in the common file, and move the platform
specific part to the platform files.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2016-05-30 10:21:12 +08:00
Bin Meng
fa427438bd x86: baytrail: Add internal UART ASL description
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@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2016-05-23 15:18:00 +08:00
Bin Meng
42f8ebfd23 x86: baytrail: Add platform ASL files
This adds basic BayTrail platform ASL files. They are intended to be
included in dsdt.asl of any board that is based on this platform.

Note: ACPI mode support for GPIO/LPSS/SCC/LPE are not supported for
now. They will be added in the future.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2016-05-23 15:18:00 +08:00