From 91b682c33c7d974f73038171d534f22f258a06af Mon Sep 17 00:00:00 2001
From: Kyösti Mälkki <kyosti.malkki@gmail.com>
Date: Thu, 24 Aug 2017 22:48:44 +0300
Subject: soc/amd/stoneyridge: Move oem_fan_control()
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While at it, replace LibAmdMemFill() with memset().

Change-Id: I770cab446add8f305f02e365e7c9763df88cd958
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21192
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/mainboard/amd/gardenia/BiosCallOuts.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'src/mainboard')

diff --git a/src/mainboard/amd/gardenia/BiosCallOuts.c b/src/mainboard/amd/gardenia/BiosCallOuts.c
index 31681cbe27..1d06411790 100644
--- a/src/mainboard/amd/gardenia/BiosCallOuts.c
+++ b/src/mainboard/amd/gardenia/BiosCallOuts.c
@@ -19,6 +19,29 @@
 #include <soc/imc.h>
 #include <soc/southbridge.h>
 #include <stdlib.h>
+#include <string.h>
+
+/* Hardware Monitor Fan Control
+ * Hardware limitation:
+ *  HWM will fail to read the input temperature via I2C if other
+ *  software switches the I2C address.  AMD recommends using IMC
+ *  to control fans, instead of HWM.
+ */
+static void oem_fan_control(FCH_DATA_BLOCK *FchParams)
+{
+	/* Enable IMC fan control. the recommand way */
+	imc_reg_init();
+
+	FchParams->Imc.ImcEnable = TRUE;
+
+	/* 1 IMC, 0 HWM */
+	FchParams->Hwm.HwmControl = 1;
+
+	/* 2 disable IMC, 1 enable IMC, 0 following hw strap setting */
+	FchParams->Imc.ImcEnableOverWrite = 1;
+
+	memset(&FchParams->Imc.EcStruct, 0, sizeof(FCH_EC));
+}
 
 static AGESA_STATUS fch_initenv(UINT32 Func, UINTN FchData, VOID *ConfigPtr)
 {
-- 
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