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rambi: Enable charger participant and define states

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Define a table detailing the charger performance states for
the rambi device and enable the charger participant in DPTF.

BUG=chrome-os-partner:17279
BRANCH=baytrail
TEST=build and boot on rambi, start DPTF and heat up
device to see the charger current limited as expected.

Change-Id: I35a46da7f53cb95cd3d06bec9d71ef721c61e387
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/185760
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Duncan Laurie 2014-02-10 16:26:28 -08:00 • committed by chrome-internal-fetch
commit 2f62a11927
1 changed files with 10 additions and 1 deletions
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11
src/mainboard/google/rambi/acpi/dptf.asl
View file

@ -16,7 +16,16 @@
#define DPTF_TSR2_PASSIVE 60
#define DPTF_TSR2_CRITICAL 70
#undef DPTF_ENABLE_CHARGER
#define DPTF_ENABLE_CHARGER
/* Charger performance states, board-specific values from charger and EC */
Name (CHPS, Package () {
Package () { 0, 0, 0, 0, 255, 0x6a4, "mA", 0 }, /* 1.7A (MAX) */
Package () { 0, 0, 0, 0, 24, 0x600, "mA", 0 }, /* 1.5A */
Package () { 0, 0, 0, 0, 16, 0x400, "mA", 0 }, /* 1.0A */
Package () { 0, 0, 0, 0, 8, 0x200, "mA", 0 }, /* 0.5A */
Package () { 0, 0, 0, 0, 0, 0x000, "mA", 0 }, /* 0.0A */
})
Name (DTRT, Package () {
/* CPU Throttle Effect on CPU */