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Diffstat (limited to 'src/soc/intel/skylake/thermal.c')
-rw-r--r--src/soc/intel/skylake/thermal.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/src/soc/intel/skylake/thermal.c b/src/soc/intel/skylake/thermal.c
deleted file mode 100644
index 006f3ae5cd..0000000000
--- a/src/soc/intel/skylake/thermal.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2017 Intel Corp.
- *
- * 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 <device/mmio.h>
-#include <device/pci_ops.h>
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <soc/iomap.h>
-#include <soc/pci_devs.h>
-#include <soc/thermal.h>
-
-#include "chip.h"
-
-#define MAX_TRIP_TEMP 205
-#define DEFAULT_TRIP_TEMP 50
-
-static void *pch_thermal_get_bar(struct device *dev)
-{
- uintptr_t bar;
-
- bar = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
- /*
- * Bits [31:12] are the base address as per EDS for Thermal Device,
- * Don't care about [11:0] bits
- */
- return (void *)(bar & ~PCI_BASE_ADDRESS_MEM_ATTR_MASK);
-}
-
-static void pch_thermal_set_bar(struct device *dev, uintptr_t tempbar)
-{
- uint8_t pcireg;
-
- /* Assign Resources to Thermal Device */
- /* Clear BIT 1-2 of Command Register */
- pcireg = pci_read_config8(dev, PCI_COMMAND);
- pcireg &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
- pci_write_config8(dev, PCI_COMMAND, pcireg);
-
- /* Program Temporary BAR for Thermal Device */
- pci_write_config32(dev, PCI_BASE_ADDRESS_0, tempbar);
- pci_write_config32(dev, PCI_BASE_ADDRESS_1, 0x0);
-
- /* Enable Bus Master and MMIO Space */
- pcireg = pci_read_config8(dev, PCI_COMMAND);
- pcireg |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- pci_write_config8(dev, PCI_COMMAND, pcireg);
-}
-
-/* PCH Low Temp Threshold (LTT) */
-static uint16_t pch_get_ltt_value(struct device *dev)
-{
- struct soc_intel_skylake_config *config;
- uint16_t ltt_value;
- uint16_t trip_temp = DEFAULT_TRIP_TEMP;
-
- config = config_of(dev);
-
- if (config->pch_trip_temp)
- trip_temp = config->pch_trip_temp;
-
- if (trip_temp > MAX_TRIP_TEMP)
- die("Input PCH temp trip is higher than allowed range!");
-
- /* Trip Point Temp = (LTT / 2 - 50 degree C) */
- ltt_value = (trip_temp + 50) * 2;
-
- return ltt_value;
-}
-
-/* Enable thermal sensor power management */
-void pch_thermal_configuration(void)
-{
- uint16_t reg16;
- struct device *dev = PCH_DEV_THERMAL;
- if (!dev) {
- printk(BIOS_ERR, "PCH_DEV_THERMAL device not found!\n");
- return;
- }
- void *thermalbar = pch_thermal_get_bar(dev);
-
- /* Use default pre-ram bar */
- if (!thermalbar) {
- pch_thermal_set_bar(dev, THERMAL_BASE_ADDRESS);
- thermalbar = (void *)THERMAL_BASE_ADDRESS;
- }
-
- /* Set Low Temp Threshold (LTT) at TSPM offset 0x1c[8:0] */
- reg16 = read16(thermalbar + THERMAL_SENSOR_POWER_MANAGEMENT);
- reg16 &= ~0x1ff;
- /* Low Temp Threshold (LTT) */
- reg16 |= pch_get_ltt_value(dev);
- write16(thermalbar + THERMAL_SENSOR_POWER_MANAGEMENT, reg16);
-}