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baytrail: Basic DPTF framework

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This is not complete yet but it compiles and doesn't cause
any issues by itself.  It is tied into the EC pretty closely
so that is part of the same commit.

Once we have more of the EC support done it will need some
more work to make use of those new interfaces properly.

BUG=chrome-os-partner:17279
BRANCH=none
TEST=build and boot on rambi, dump DSDT and look over \_SB.DPTF

Change-Id: I4b27e38baae18627a275488d77944208950b98bd
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/179459
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/5002
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
This commit is contained in:
Duncan Laurie
2013-12-10 07:41:33 -08:00
committed by Kyösti Mälkki
parent 4cc4b04d8a
commit ad8d913f42
8 changed files with 468 additions and 4 deletions
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4
src/soc/intel/baytrail/acpi.c
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@@ -338,8 +338,8 @@ static int generate_P_state_entries(int core, int cores_per_package)
/* Write _PCT indicating use of FFixedHW */
len = acpigen_write_empty_PCT();
/* Write _PPC with no limit on supported P-state */
len += acpigen_write_PPC(0);
/* Write _PPC with NVS specified limit on supported P-state */
len += acpigen_write_PPC_NVS();
/* Write PSD indicating configured coordination type */
len += acpigen_write_PSD_package(core, 1, coord_type);