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| author | Mike Loptien <mike.loptien@se-eng.com> | 2013-03-15 13:40:13 -0600 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2013-03-17 19:55:15 +0100 |
| commit | 109c08e05ac482c72c541ae1a3e408a686c9fb03 (patch) | |
| tree | b8e84173f1ded472e5892549c57715c96e0f06ab /src/mainboard/lippert/toucan-af | |
| parent | 42ad2006572ea784548a79aabfaa3b00295d1215 (diff) | |
| download | coreboot-109c08e05ac482c72c541ae1a3e408a686c9fb03.tar.xz | |
Lippert Fam14 DSDT: Remove INI method from AZHD device
I am removing the _INI method from the AZHD device because
it does not seem to do anything and causes errors in the
FWTS[1] (Firmware Test Suite) test 'method'. The INI
method performs device specific initialization and is
run when OSPM loads a description table. It must only
access OperationRegions that have been indicated as
available by the _REG (Region) method. We do not have a
_REG method and during my testing, I added a REG method
but it did not seem to make a difference in the PCI
register space. The bit fields defined as NSDI (Disable
No Snoop), NSDO (Disable No Snoop Override), and NSEN
(Enable No Snoop Request) do not ever get written from
their default values. And writing to these bit fields
does not seem to be necessary because I did not notice
any change in audio functionality.
In an effort to clean up as many FWTS errors as possible,
I propose removing this method altogether. I have seen no
change in operation (audio works with and without this
method) and there does not seem to be any change in lspci
or dmesg.
FWTS information can be found here:
[1]: https://wiki.ubuntu.com/Kernel/Reference/fwts
This is the same change as made to Persimmon in
Change-ID If8d86f:
http://review.coreboot.org/#/c/2726/
Change-Id: Iff594d4a3493531561eb25d1cceeb97bcefde424
Signed-off-by: Mike Loptien <mike.loptien@se-eng.com>
Reviewed-on: http://review.coreboot.org/2743
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/lippert/toucan-af')
| -rw-r--r-- | src/mainboard/lippert/toucan-af/dsdt.asl | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/src/mainboard/lippert/toucan-af/dsdt.asl b/src/mainboard/lippert/toucan-af/dsdt.asl index e454bc1f3b..7f6dec3829 100644 --- a/src/mainboard/lippert/toucan-af/dsdt.asl +++ b/src/mainboard/lippert/toucan-af/dsdt.asl @@ -1385,14 +1385,6 @@ DefinitionBlock ( offset (0x6C), MMDT, 16, } - - Method(_INI) { - If(LEqual(OSTP,3)){ /* If we are running Linux */ - Store(zero, NSEN) - Store(one, NSDO) - Store(one, NSDI) - } - } } /* end AZHD */ Device(LIBR) { |