New patch to review for coreboot: ca4b6d7 ibexpeak/thermal: set temperature target in earyl init.

[Vladimir Serbinenko]

Vladimir Serbinenko ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5264

-gerrit

commit ca4b6d7cc843ced498cb9c1457d7a18fc2b6d7f0
Author: Vladimir Serbinenko 
Date:   Wed Feb 19 22:02:51 2014 +0100

ibexpeak/thermal: set temperature target in earyl 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 
---
 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);