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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/loongarch/include/asm/fixmap.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/loongarch/include/asm/fixmap.h')
| -rw-r--r-- | arch/loongarch/include/asm/fixmap.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/fixmap.h b/arch/loongarch/include/asm/fixmap.h new file mode 100644 index 0000000000..d2e55ae55b --- /dev/null +++ b/arch/loongarch/include/asm/fixmap.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * fixmap.h: compile-time virtual memory allocation + * + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + */ + +#ifndef _ASM_FIXMAP_H +#define _ASM_FIXMAP_H + +#define NR_FIX_BTMAPS 64 + +enum fixed_addresses { + FIX_HOLE, + FIX_EARLYCON_MEM_BASE, + __end_of_fixed_addresses +}; + +#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) +#define FIXMAP_PAGE_IO PAGE_KERNEL_SUC + +extern void __set_fixmap(enum fixed_addresses idx, + phys_addr_t phys, pgprot_t flags); + +#include <asm-generic/fixmap.h> + +#endif |