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authorIngo Molnar <mingo@kernel.org>2015-08-25 09:59:19 +0200
committerIngo Molnar <mingo@kernel.org>2015-08-25 09:59:19 +0200
commit8d58b66ed2b000f27658c88a4ed70e8042e86a58 (patch)
tree5bae2c74f932b5d863f72cb698a6f71260340b26 /arch/mips/include/asm/mach-loongson64/mem.h
parent13fe86f465b72fc9328d4f5ebc33223c011852ae (diff)
parentc13dcf9f2d6f5f06ef1bf79ec456df614c5e058b (diff)
downloadlinux-8d58b66ed2b000f27658c88a4ed70e8042e86a58.tar.gz
linux-8d58b66ed2b000f27658c88a4ed70e8042e86a58.tar.xz
Merge tag 'v4.2-rc8' into x86/mm, before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/mips/include/asm/mach-loongson64/mem.h')
-rw-r--r--arch/mips/include/asm/mach-loongson64/mem.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson64/mem.h b/arch/mips/include/asm/mach-loongson64/mem.h
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+/*
+ * Copyright (C) 2009 Lemote, Inc.
+ * Author: Wu Zhangjin <wuzhangjin@gmail.com>
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __ASM_MACH_LOONGSON64_MEM_H
+#define __ASM_MACH_LOONGSON64_MEM_H
+
+/*
+ * high memory space
+ *
+ * in loongson2e, starts from 512M
+ * in loongson2f, starts from 2G 256M
+ */
+#ifdef CONFIG_CPU_LOONGSON2E
+#define LOONGSON_HIGHMEM_START 0x20000000
+#else
+#define LOONGSON_HIGHMEM_START 0x90000000
+#endif
+
+/*
+ * the peripheral registers(MMIO):
+ *
+ * On the Lemote Loongson 2e system, reside between 0x1000:0000 and 0x2000:0000.
+ * On the Lemote Loongson 2f system, reside between 0x1000:0000 and 0x8000:0000.
+ */
+
+#define LOONGSON_MMIO_MEM_START 0x10000000
+
+#ifdef CONFIG_CPU_LOONGSON2E
+#define LOONGSON_MMIO_MEM_END 0x20000000
+#else
+#define LOONGSON_MMIO_MEM_END 0x80000000
+#endif
+
+#endif /* __ASM_MACH_LOONGSON64_MEM_H */