| /* 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 */ |
