1 files changed, 99 insertions, 0 deletions
diff --git a/src/mainboard/amd/padmelon/fan_init.c b/src/mainboard/amd/padmelon/fan_init.c
new file mode 100644
index 0000000000..2c3200525d
--- /dev/null
+++ b/src/mainboard/amd/padmelon/fan_init.c
@@ -0,0 +1,99 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Richard Spiegel <richard.spiegel@silverbackltd.com>
+ * Copyright (C) 2019 Silverback ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <bootstate.h>
+#include <superio/fintek/common/fan_control.h>
+#include <amdblocks/lpc.h>
+#include <device/pci_ops.h>
+#include <soc/pci_devs.h>
+
+#define CPU_FAN		1
+#define SYSTEM_FAN	2
+
+/* Boundaries in celsius, sections in percent */
+static u8 cpu_boudaries[FINTEK_BOUNDARIES_SIZE] = {
+	80,
+	65,
+	50,
+	35
+};
+
+static u8 system_boudaries[FINTEK_BOUNDARIES_SIZE] = {
+	70,
+	55,
+	40,
+	25
+};
+
+static u8 cpu_section[FINTEK_SECTIONS_SIZE] = {
+	100,
+	85,
+	70,
+	55,
+	40
+};
+
+static u8 system_section[FINTEK_SECTIONS_SIZE] = {
+	100,
+	85,
+	70,
+	55,
+	40
+};
+
+struct fintek_fan cpu_fan = {
+	CPU_FAN,
+	IGNORE_SENSOR,
+	TEMP_SENSOR_DEFAULT,
+	FAN_TEMP_TSI,
+	FAN_TYPE_PWM_PUSH_PULL,
+	FAN_MODE_DEFAULT,
+	FAN_PWM_FREQ_23500,
+	FAN_UP_RATE_10HZ,
+	FAN_DOWN_RATE_10HZ,
+	FAN_FOLLOW_INTERPOLATION,
+	cpu_boudaries,
+	cpu_section
+};
+
+struct fintek_fan system_fan = {
+	SYSTEM_FAN,
+	EXTERNAL_SENSOR2,
+	TEMP_SENSOR_BJT,
+	FAN_TEMP_EXTERNAL_2,
+	FAN_TYPE_DAC_POWER,
+	FAN_MODE_DEFAULT,
+	FAN_PWM_FREQ_23500,
+	FAN_UP_RATE_10HZ,
+	FAN_DOWN_RATE_10HZ,
+	FAN_FOLLOW_INTERPOLATION,
+	system_boudaries,
+	system_section
+};
+
+static void init_fan_control(void *unused)
+{
+	u32 temp;
+	/* Open a LPC IO access to 0x0220-0x0227 */
+	temp = pci_read_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE);
+	temp |= DECODE_ENABLE_SERIAL_PORT2;
+	pci_write_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE, temp);
+
+	set_fan(&cpu_fan);
+	set_fan(&system_fan);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, init_fan_control, NULL);