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MIPS/OCTEON: Override default address space layout.

OCTEON II cannot execute code in the default CAC_BASE space, so we
supply a value (0x8000000000000000) that does work.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5457/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney 12 years ago
parent
commit
9b1f812acb
1 changed files with 24 additions and 0 deletions
  1. 24 0
      arch/mips/include/asm/mach-cavium-octeon/spaces.h

+ 24 - 0
arch/mips/include/asm/mach-cavium-octeon/spaces.h

@@ -0,0 +1,24 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 Cavium, Inc.
+ */
+#ifndef _ASM_MACH_CAVIUM_OCTEON_SPACES_H
+#define _ASM_MACH_CAVIUM_OCTEON_SPACES_H
+
+#include <linux/const.h>
+
+#ifdef CONFIG_64BIT
+/* They are all the same and some OCTEON II cores cannot handle 0xa8.. */
+#define CAC_BASE		_AC(0x8000000000000000, UL)
+#define UNCAC_BASE		_AC(0x8000000000000000, UL)
+#define IO_BASE			_AC(0x8000000000000000, UL)
+
+
+#endif /* CONFIG_64BIT */
+
+#include <asm/mach-generic/spaces.h>
+
+#endif /* _ASM_MACH_CAVIUM_OCTEON_SPACES_H */