162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * fixmap.h: compile-time virtual memory allocation 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#ifndef _ASM_FIXMAP_H 962306a36Sopenharmony_ci#define _ASM_FIXMAP_H 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#define NR_FIX_BTMAPS 64 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_cienum fixed_addresses { 1462306a36Sopenharmony_ci FIX_HOLE, 1562306a36Sopenharmony_ci FIX_EARLYCON_MEM_BASE, 1662306a36Sopenharmony_ci __end_of_fixed_addresses 1762306a36Sopenharmony_ci}; 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) 2062306a36Sopenharmony_ci#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) 2162306a36Sopenharmony_ci#define FIXMAP_PAGE_IO PAGE_KERNEL_SUC 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ciextern void __set_fixmap(enum fixed_addresses idx, 2462306a36Sopenharmony_ci phys_addr_t phys, pgprot_t flags); 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci#include <asm-generic/fixmap.h> 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci#endif 29