[coreboot-gerrit] Patch set updated for coreboot: e1888b0 ibexpeak/thermal: set temperature target in early init.
Vladimir Serbinenko (phcoder@gmail.com)
gerrit at coreboot.org
Thu Feb 20 00:50:39 CET 2014
Vladimir Serbinenko (phcoder at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5264
-gerrit
commit e1888b010404f51a25297b2e9c3554b67036a3a0
Author: Vladimir Serbinenko <phcoder at gmail.com>
Date: Wed Feb 19 22:02:51 2014 +0100
ibexpeak/thermal: set temperature target in early init.
Properly determine temperature target and set it in early
init rather than hardcoding it in late init.
Change-Id: Ie763f205890674a9dd1d9c5974caaccdd67cea14
Signed-off-by: Vladimir Serbinenko <phcoder at gmail.com>
---
src/southbridge/intel/ibexpeak/early_thermal.c | 9 +++++++++
src/southbridge/intel/ibexpeak/thermal.c | 3 ---
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/src/southbridge/intel/ibexpeak/early_thermal.c b/src/southbridge/intel/ibexpeak/early_thermal.c
index 9d96a34..d23749e 100644
--- a/src/southbridge/intel/ibexpeak/early_thermal.c
+++ b/src/southbridge/intel/ibexpeak/early_thermal.c
@@ -20,12 +20,15 @@
#include <arch/io.h>
#include "pch.h"
+#include "cpu/intel/model_2065x/model_2065x.h"
+#include <cpu/x86/msr.h>
/* Early thermal init, must be done prior to giving ME its memory
which is done at the end of raminit. */
void early_thermal_init(void)
{
device_t dev;
+ msr_t msr;
dev = PCI_DEV(0x0, 0x1f, 0x6);
@@ -38,6 +41,12 @@ void early_thermal_init(void)
pci_read_config32(dev, 0x40) | 5);
/* Perform init. */
+ /* Configure TJmax. */
+ msr = rdmsr(MSR_TEMPERATURE_TARGET);
+ write16(0x40000012, ((msr.lo >> 16) & 0xff) << 6);
+ /* Northbridge temperature slope and offset. */
+ write16(0x40000016, 0x7746);
+ /* Enable thermal data reporting, processor, PCH and northbridge. */
write16(0x4000001a, (read16(0x4000001a) & ~0xf) | 0x10f0);
/* Disable temporary BAR. */
diff --git a/src/southbridge/intel/ibexpeak/thermal.c b/src/southbridge/intel/ibexpeak/thermal.c
index e01a6db..fa39626 100644
--- a/src/southbridge/intel/ibexpeak/thermal.c
+++ b/src/southbridge/intel/ibexpeak/thermal.c
@@ -37,9 +37,6 @@ static void thermal_init(struct device *dev)
write32(res->base + 4, 0x3a2b);
write8(res->base + 0xe, 0x40);
- write32(res->base + 0x12, 0x1a40);
- write16(res->base + 0x16, 0x7746);
- write16(res->base + 0x1a, 0x10f0);
write16(res->base + 0x56, 0xffff);
write16(res->base + 0x64, 0xffff);
write16(res->base + 0x66, 0xffff);
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