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authorMatt DeVillier <matt.devillier@gmail.com>2024-03-25 10:14:15 -0500
committerNico Huber <nico.h@gmx.de>2024-04-13 13:26:25 +0000
commitb40b6ff53e6e1b6bf285f15cb59ab2fcec8dbe0b (patch)
treebe2d3e46edea5cf4c5f882692a72329a86655c09 /src
parentb8c451e375746d1ed9d2276e261be3fbf6dd67d4 (diff)
mb/samsung/stumpy: Set initial fan PWM to 30%
Recent changes to the ITE 8772F SIO code caused the initial fan PWM to change from 0 to 50%; set it to 30% to reduce fan noise while still providing some temp control before the OS/ACPI takes over. TEST=build/boot stumpy to payload, verify fan noise is negligible. Change-Id: I287e46202ee1c112d1da63c0d8b7889958e3807e Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/81514 Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/samsung/stumpy/devicetree.cb1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/samsung/stumpy/devicetree.cb b/src/mainboard/samsung/stumpy/devicetree.cb
index 853e519263..bc24464733 100644
--- a/src/mainboard/samsung/stumpy/devicetree.cb
+++ b/src/mainboard/samsung/stumpy/devicetree.cb
@@ -91,6 +91,7 @@ chip northbridge/intel/sandybridge
register "TMPIN3.mode" = "THERMAL_PECI"
# Enable FAN3
register "FAN3.mode" = "FAN_SMART_SOFTWARE"
+ register "FAN3.smart.pwm_start" = "30"
device pnp 2e.0 off end # FDC
device pnp 2e.1 on # Serial Port 1