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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/mips/include/asm/mach-ip27/spaces.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/include/asm/mach-ip27/spaces.h')
-rw-r--r--arch/mips/include/asm/mach-ip27/spaces.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-ip27/spaces.h b/arch/mips/include/asm/mach-ip27/spaces.h
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index 000000000..66421e9a6
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+++ b/arch/mips/include/asm/mach-ip27/spaces.h
@@ -0,0 +1,35 @@
+/*
+ * 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) 1996, 99 Ralf Baechle
+ * Copyright (C) 2000, 2002 Maciej W. Rozycki
+ * Copyright (C) 1990, 1999 by Silicon Graphics, Inc.
+ */
+#ifndef _ASM_MACH_IP27_SPACES_H
+#define _ASM_MACH_IP27_SPACES_H
+
+#include <linux/const.h>
+
+/*
+ * IP27 uses the R10000's uncached attribute feature. Attribute 3 selects
+ * uncached memory addressing. Hide the definitions on 32-bit compilation
+ * of the compat-vdso code.
+ */
+#ifdef CONFIG_64BIT
+#define HSPEC_BASE _AC(0x9000000000000000, UL)
+#define IO_BASE _AC(0x9200000000000000, UL)
+#define MSPEC_BASE _AC(0x9400000000000000, UL)
+#define UNCAC_BASE _AC(0x9600000000000000, UL)
+#define CAC_BASE _AC(0xa800000000000000, UL)
+#endif
+
+#define TO_MSPEC(x) (MSPEC_BASE | ((x) & TO_PHYS_MASK))
+#define TO_HSPEC(x) (HSPEC_BASE | ((x) & TO_PHYS_MASK))
+
+#define HIGHMEM_START (~0UL)
+
+#include <asm/mach-generic/spaces.h>
+
+#endif /* _ASM_MACH_IP27_SPACES_H */