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mb/google/kahlee/variants/careena/devicetree.cb: Set STAPM values 

AMD has tested careena, and for the time being is recommending a scalar
of 68%, power limit of 7.8 W and time constant of 2500. Using new STAPM
configuration code, set the desired values.

BUG=b:111561217
TEST=none, code was tested with grunt.

Change-Id: I42671ab0e66b21dc4f8c8c326c1fa33328b1390e
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/28597
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
This commit is contained in:
Richard Spiegel 2018-09-13 13:59:23 -07:00 committed by Marc Jones
parent c3f5293da7
commit 3a618dd214
1 changed files with 3 additions and 0 deletions
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src/mainboard/google/kahlee/variants/careena/devicetree.cb
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@ -20,6 +20,9 @@ chip soc/amd/stoneyridge
register "dram_clear_on_reset" = "DRAM_CONTENTS_KEEP" register "dram_clear_on_reset" = "DRAM_CONTENTS_KEEP"
register "uma_mode" = "UMAMODE_SPECIFIED_SIZE" register "uma_mode" = "UMAMODE_SPECIFIED_SIZE"
register "uma_size" = "32 * MiB" register "uma_size" = "32 * MiB"
register "stapm_percent" = "68"
register "stapm_time" = "2500"
register "stapm_power" = "7800"
# Enable I2C0 for audio, USB3 hub at 400kHz # Enable I2C0 for audio, USB3 hub at 400kHz
register "i2c[0]" = "{ register "i2c[0]" = "{