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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/nds32/include/asm/fixmap.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/nds32/include/asm/fixmap.h')
| -rw-r--r-- | arch/nds32/include/asm/fixmap.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/fixmap.h b/arch/nds32/include/asm/fixmap.h new file mode 100644 index 000000000..0e60e153a --- /dev/null +++ b/arch/nds32/include/asm/fixmap.h @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#ifndef __ASM_NDS32_FIXMAP_H +#define __ASM_NDS32_FIXMAP_H + +#ifdef CONFIG_HIGHMEM +#include <linux/threads.h> +#include <asm/kmap_types.h> +#endif + +enum fixed_addresses { + FIX_HOLE, + FIX_KMAP_RESERVED, + FIX_KMAP_BEGIN, +#ifdef CONFIG_HIGHMEM + FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS), +#endif + FIX_EARLYCON_MEM_BASE, + __end_of_fixed_addresses +}; +#define FIXADDR_TOP ((unsigned long) (-(16 * PAGE_SIZE))) +#define FIXADDR_SIZE ((__end_of_fixed_addresses) << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) +#define FIXMAP_PAGE_IO __pgprot(PAGE_DEVICE) +void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot); + +#include <asm-generic/fixmap.h> +#endif /* __ASM_NDS32_FIXMAP_H */ |