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path: root/src/southbridge/intel/ibexpeak/early_thermal.c
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Diffstat (limited to 'src/southbridge/intel/ibexpeak/early_thermal.c')
-rw-r--r--src/southbridge/intel/ibexpeak/early_thermal.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/southbridge/intel/ibexpeak/early_thermal.c b/src/southbridge/intel/ibexpeak/early_thermal.c
index 9d96a34877..d23749e513 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. */