/* 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 NODE0_ADDRSPACE_OFFSET 0x000000000000UL #define NODE1_ADDRSPACE_OFFSET 0x100000000000UL #define NODE2_ADDRSPACE_OFFSET 0x200000000000UL #define NODE3_ADDRSPACE_OFFSET 0x300000000000UL #define pa_to_nid(addr) (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT) #define nid_to_addrbase(nid) ((nid) << NODE_ADDRSPACE_SHIFT) extern struct pglist_data *__node_data[]; #define NODE_DATA(n) (__node_data[n]) extern void setup_zero_pages(void); extern void __init prom_init_numa_memory(void); #endif /* _ASM_MACH_MMZONE_H */