| /* 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 |