[coreboot-gerrit] Change in coreboot[master]: nb/common: Introduce reg{8,16,32}_and_or()

[HAOUAS Elyes (Code Review)]

HAOUAS Elyes has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/44460 )

Change subject: nb/common: Introduce reg{8,16,32}_and_or()
......................................................................

nb/common: Introduce reg{8,16,32}_and_or()

Change-Id: I8f42ff7c3f275fa1f763b545728be64ee2475324
Signed-off-by: Elyes HAOUAS 
---
A src/northbridge/intel/common/mchbar.h
1 file changed, 33 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/44460/1

diff --git a/src/northbridge/intel/common/mchbar.h b/src/northbridge/intel/common/mchbar.h
new file mode 100644
index 0000000..f5d7e4c
--- /dev/null
+++ b/src/northbridge/intel/common/mchbar.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef INTEL_COMMON_MCHBAR_H
+#define INTEL_COMMON_MCHBAR_H
+
+#include <stdint.h>
+
+uint8_t reg8_and_or(u8 reg, u8 mask, u8 or)
+{
+	u8 value;
+	value = mchbar8;
+	value &= mask;
+	value |= or;
+	return value;
+}
+
+uint16_t reg16_and_or(u16 reg, u16 mask, u16 or)
+{
+	u16 value;
+	value = mchbar16;
+	value &= mask;
+	value |= or;
+	return value;
+}
+
+uint32_t reg32_and_or(u32 reg, u32 mask, u32 or)
+{
+	u32 value;
+	value = mchbar32;
+	value &= mask;
+	value |= or;
+	return value;
+}