superio/ite: Add full-speed config option
Add Kconfig option for full-speed setting. Some variants do not support
the full-speed at limit configuration (IT8772F). Keep it enabled for all
current variants that use the common EC code as it was previously
enabled unconditionally - datasheets weren't revisited individually.
Change-Id: Icf24ea1c4f41771a18803957456f0aeba0e51b13
Signed-off-by: Joel Linn <jl@conductive.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81525
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/superio/ite/common/Kconfig b/src/superio/ite/common/Kconfig
index 36c1496..6fde3c8 100644
--- a/src/superio/ite/common/Kconfig
+++ b/src/superio/ite/common/Kconfig
@@ -48,4 +48,10 @@
Temperature can be read to any TMPIN from an external sensor via SST/PECI
(instead of TMPIN3 only).
+config SUPERIO_ITE_ENV_CTRL_NO_FULLSPEED_SETTING
+ bool
+ help
+ Fan controller does not support running at full speed when limit
+ temperature is reached.
+
endif
diff --git a/src/superio/ite/common/env_ctrl.c b/src/superio/ite/common/env_ctrl.c
index d624a92..1124019 100644
--- a/src/superio/ite/common/env_ctrl.c
+++ b/src/superio/ite/common/env_ctrl.c
@@ -182,7 +182,8 @@
conf->tmp_full ? conf->tmp_full : 127);
delta_temp = ITE_EC_FAN_CTL_DELTA_TEMP_INTRVL(conf->tmp_delta);
- delta_temp |= ITE_EC_FAN_CTL_FULL_AT_THRML_LMT(conf->full_lmt);
+ if (!CONFIG(SUPERIO_ITE_ENV_CTRL_NO_FULLSPEED_SETTING))
+ delta_temp |= ITE_EC_FAN_CTL_FULL_AT_THRML_LMT(conf->full_lmt);
pnp_write_hwm5_index(base, ITE_EC_FAN_CTL_DELTA_TEMP(fan),
delta_temp);
}