1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5 #ifndef _ASM_DMI_H 6 #define _ASM_DMI_H 7 8 #include <linux/io.h> 9 #include <linux/memblock.h> 10 11 #define dmi_early_remap(x, l) dmi_remap(x, l) 12 #define dmi_early_unmap(x, l) dmi_unmap(x) 13 #define dmi_alloc(l) memblock_alloc(l, PAGE_SIZE) 14 15 static inline void *dmi_remap(u64 phys_addr, unsigned long size) 16 { 17 return ((void *)TO_CACHE(phys_addr)); 18 } 19 20 static inline void dmi_unmap(void *addr) 21 { 22 } 23 24 #endif /* _ASM_DMI_H */ 25