1 files changed, 41 insertions, 0 deletions
diff --git a/src/southbridge/intel/common/rcba.h b/src/southbridge/intel/common/rcba.h
new file mode 100644
index 0000000000..b6cba8ea5f
--- /dev/null
+++ b/src/southbridge/intel/common/rcba.h
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2012 The Chromium OS Authors.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef SOUTHBRIDGE_INTEL_DEFAULT_RCBA_H
+#define SOUTHBRIDGE_INTEL_DEFAULT_RCBA_H
+
+#ifndef __ACPI__
+#define DEFAULT_RCBA		((u8 *)0xfed1c000)
+#else
+#define DEFAULT_RCBA	        0xfed1c000
+#endif
+
+#ifndef __ACPI__
+
+#define RCBA8(x) (*((volatile u8 *)(DEFAULT_RCBA + x)))
+#define RCBA16(x) (*((volatile u16 *)(DEFAULT_RCBA + x)))
+#define RCBA32(x) (*((volatile u32 *)(DEFAULT_RCBA + x)))
+
+#define RCBA_AND_OR(bits, x, and, or) \
+	(RCBA##bits(x) = ((RCBA##bits(x) & (and)) | (or)))
+#define RCBA8_AND_OR(x, and, or)  RCBA_AND_OR(8, x, and, or)
+#define RCBA16_AND_OR(x, and, or) RCBA_AND_OR(16, x, and, or)
+#define RCBA32_AND_OR(x, and, or) RCBA_AND_OR(32, x, and, or)
+#define RCBA32_OR(x, or) RCBA_AND_OR(32, x, ~0UL, or)
+
+
+#endif /* __ACPI__ */
+#endif /* SOUTHBRIDGE_INTEL_DEFAULT_RCBA_H */