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| author | Max Filippov <jcmvbkbc@gmail.com> | 2016-04-11 21:07:30 +0300 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2016-07-24 06:33:57 +0300 |
| commit | f1883aa7d63e3be92ad18da7a1bfc6c9b15c4f9a (patch) | |
| tree | 86839f71ee3af439a1a43ca548957728568a1aa3 /arch/xtensa/include/asm/kmem_layout.h | |
| parent | 12c8007dafbb7a9719d7beb04b79c9406c265f47 (diff) | |
| download | linux-f1883aa7d63e3be92ad18da7a1bfc6c9b15c4f9a.tar.xz | |
xtensa: move kernel mapping addresses into kmem_layout.h
Create a header dedicated to memory layout definitions. Include it from
places where these definitions are needed.
Express vmalloc area address, VIRTUAL_MEMORY_ADDRESS and KERNELOFFSET
through KSEG address.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/include/asm/kmem_layout.h')
| -rw-r--r-- | arch/xtensa/include/asm/kmem_layout.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/kmem_layout.h b/arch/xtensa/include/asm/kmem_layout.h new file mode 100644 index 000000000000..4eb43b65a34d --- /dev/null +++ b/arch/xtensa/include/asm/kmem_layout.h @@ -0,0 +1,25 @@ +/* + * Kernel virtual memory layout definitions. + * + * 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) 2016 Cadence Design Systems Inc. + */ + +#ifndef _XTENSA_KMEM_LAYOUT_H +#define _XTENSA_KMEM_LAYOUT_H + +#include <asm/types.h> + +/* + * Fixed TLB translations in the processor. + */ + +#define XCHAL_KSEG_CACHED_VADDR __XTENSA_UL_CONST(0xd0000000) +#define XCHAL_KSEG_BYPASS_VADDR __XTENSA_UL_CONST(0xd8000000) +#define XCHAL_KSEG_SIZE __XTENSA_UL_CONST(0x08000000) +#define XCHAL_KSEG_PADDR __XTENSA_UL_CONST(0x00000000) + +#endif |