[coreboot-gerrit] [XS] Change in coreboot[main]: cpu/x86: Add IA32_DEBUG_INTERFACE definitions to msr.h

[Máté Kukri (Code Review)]

Attention is currently required from: Jérémy Compostella.

Máté Kukri has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/83268?usp=email )

Change subject: cpu/x86: Add IA32_DEBUG_INTERFACE definitions to msr.h
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cpu/x86: Add IA32_DEBUG_INTERFACE definitions to msr.h

- Useful for hacking in a quick JTAG enable in early boot
- It seems like the FSP sets this up on SKL/KBL
- Maybe there should be native code and a Kconfig option for it?

Signed-off-by: Mate Kukri 
Change-Id: Ib4cb50b1f3e97bf37a8e44b25b909fa1581f7b06
---
M src/include/cpu/x86/msr.h
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/68/83268/1

diff --git a/src/include/cpu/x86/msr.h b/src/include/cpu/x86/msr.h
index d369972..ceef095 100644
--- a/src/include/cpu/x86/msr.h
+++ b/src/include/cpu/x86/msr.h
@@ -109,6 +109,11 @@
 #define IA32_CR_SF_QOS_MASK_1		0x1891
 #define IA32_CR_SF_QOS_MASK_2		0x1892

+#define IA32_DEBUG_INTERFACE		0xc80
+#define  DEBUG_ENABLE			1
+#define  DEBUG_LOCK			(1<<30)
+#define  DEBUG_OCCURED			(1<<31)
+
 #ifndef __ASSEMBLER__

typedef struct msrinit_struct {