| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Copyright (C) 2010 Loongson Inc. & Lemote Inc. & |
| * Institute of Computing Technology |
| * Author: Xiang Gao, gaoxiang@ict.ac.cn |
| * Huacai Chen, chenhc@lemote.com |
| * Xiaofu Meng, Shuangshuang Zhang |
| */ |
| #ifndef _ASM_MACH_LOONGSON64_MMZONE_H |
| #define _ASM_MACH_LOONGSON64_MMZONE_H |
| |
| #define NODE_ADDRSPACE_SHIFT 44 |
| |
| #define pa_to_nid(addr) (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT) |
| #define nid_to_addrbase(nid) ((unsigned long)(nid) << NODE_ADDRSPACE_SHIFT) |
| |
| extern void __init prom_init_numa_memory(void); |
| |
| #endif /* _ASM_MACH_MMZONE_H */ |
