/* 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