Change in coreboot[master]: northbridge/sandybridge: add MCHBAR32 AND/OR/AND_OR access macros

[Felix Held (Code Review)]

Felix Held has uploaded this change for review. ( https://review.coreboot.org/27723

Change subject: northbridge/sandybridge: add MCHBAR32 AND/OR/AND_OR access macros
......................................................................

northbridge/sandybridge: add MCHBAR32 AND/OR/AND_OR access macros

Change-Id: I5d91674ebd281a595e7c0462671f4715ca09cb5c
Signed-off-by: Felix Held 
---
M src/northbridge/intel/sandybridge/sandybridge.h
1 file changed, 4 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/23/27723/1

diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 3c082f1..faa9cd90 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -125,7 +125,10 @@
 #define MCHBAR8(x) (*((volatile u8 *)(DEFAULT_MCHBAR + (x))))
 #define MCHBAR16(x) (*((volatile u16 *)(DEFAULT_MCHBAR + (x))))
 #define MCHBAR32(x) (*((volatile u32 *)(DEFAULT_MCHBAR + (x))))
-#define MCHBAR32_OR(x, or) MCHBAR32(x) = (MCHBAR32(x) | (or))
+#define MCHBAR32_OR(x, or) (MCHBAR32(x) = (MCHBAR32(x) | (or)))
+#define MCHBAR32_AND(x, and) (MCHBAR32(x) = (MCHBAR32(x) & (and)))
+#define MCHBAR32_AND_OR(x, and, or) \
+	(MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))

#define SSKPD		0x5d14	/* 16bit (scratchpad) */
 #define BIOS_RESET_CPL	0x5da8	/* 8bit */