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/* 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 */
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