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authorSubrata Banik <subrata.banik@intel.com>2019-08-01 10:50:35 +0530
committerSubrata Banik <subrata.banik@intel.com>2019-08-02 04:34:18 +0000
commitc077b2274b661fb57ffed66b105ece88e30c73b2 (patch)
tree215148906dd7d3edf8ac1caa9c41d089959747d0 /src/soc/intel/skylake
parent92dc39129156307913dbf3c07f926554f0c14ab8 (diff)
downloadcoreboot-c077b2274b661fb57ffed66b105ece88e30c73b2.tar.xz
soc/intel/skylake: Make use of common thermal code for SKL
This patch ensures skylake soc is using common thermal code from intel common block. TEST=Build and boot soraka Change-Id: I0812daa3536051918ccac973fde8d7f4f949609d Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34648 Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Aamir Bohra <aamir.bohra@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/skylake')
-rw-r--r--src/soc/intel/skylake/Kconfig1
-rw-r--r--src/soc/intel/skylake/Makefile.inc1
-rw-r--r--src/soc/intel/skylake/chip.h3
-rw-r--r--src/soc/intel/skylake/finalize.c2
-rw-r--r--src/soc/intel/skylake/include/soc/thermal.h24
-rw-r--r--src/soc/intel/skylake/thermal.c106
6 files changed, 2 insertions, 135 deletions
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index f36d5ca0f3..4def3b3927 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -69,6 +69,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP
select SOC_INTEL_COMMON_BLOCK_UART
select SOC_INTEL_COMMON_BLOCK_XHCI_ELOG
+ select SOC_INTEL_COMMON_BLOCK_THERMAL
select SOC_INTEL_COMMON_PCH_BASE
select SOC_INTEL_COMMON_NHLT
select SOC_INTEL_COMMON_RESET
diff --git a/src/soc/intel/skylake/Makefile.inc b/src/soc/intel/skylake/Makefile.inc
index 913a9d9b5d..e2f5c1bb32 100644
--- a/src/soc/intel/skylake/Makefile.inc
+++ b/src/soc/intel/skylake/Makefile.inc
@@ -64,7 +64,6 @@ ramstage-y += sd.c
ramstage-y += smmrelocate.c
ramstage-y += spi.c
ramstage-y += systemagent.c
-ramstage-y += thermal.c
ramstage-y += uart.c
ramstage-y += vr_config.c
ramstage-y += xhci.c
diff --git a/src/soc/intel/skylake/chip.h b/src/soc/intel/skylake/chip.h
index da941dc643..6c105cea8c 100644
--- a/src/soc/intel/skylake/chip.h
+++ b/src/soc/intel/skylake/chip.h
@@ -585,9 +585,6 @@ struct soc_intel_skylake_config {
*/
u8 IslVrCmd;
- /* PCH Trip Temperature */
- u8 pch_trip_temp;
-
/* Enable/Disable Sata power optimization */
u8 SataPwrOptEnable;
};
diff --git a/src/soc/intel/skylake/finalize.c b/src/soc/intel/skylake/finalize.c
index 3c137c5871..8afaf4d344 100644
--- a/src/soc/intel/skylake/finalize.c
+++ b/src/soc/intel/skylake/finalize.c
@@ -26,6 +26,7 @@
#include <intelblocks/lpc_lib.h>
#include <intelblocks/p2sb.h>
#include <intelblocks/pcr.h>
+#include <intelblocks/thermal.h>
#include <reg_script.h>
#include <spi-generic.h>
#include <soc/me.h>
@@ -35,7 +36,6 @@
#include <soc/pm.h>
#include <soc/smbus.h>
#include <soc/systemagent.h>
-#include <soc/thermal.h>
#include <stdlib.h>
#include <timer.h>
diff --git a/src/soc/intel/skylake/include/soc/thermal.h b/src/soc/intel/skylake/include/soc/thermal.h
deleted file mode 100644
index 31c47c6361..0000000000
--- a/src/soc/intel/skylake/include/soc/thermal.h
+++ /dev/null
@@ -1,24 +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.
- */
-
-#ifndef _SOC_THERMAL_H_
-#define _SOC_THERMAL_H_
-
-#define THERMAL_SENSOR_POWER_MANAGEMENT 0x1c
-
-/* Enable thermal sensor power management */
-void pch_thermal_configuration(void);
-
-#endif
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);
-}