| /* |
| * 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 |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| */ |
| #ifndef _ASM_MACH_MMZONE_H |
| #define _ASM_MACH_MMZONE_H |
| |
| #include <boot_param.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 LEVELS_PER_SLICE 128 |
| |
| struct slice_data { |
| unsigned long irq_enable_mask[2]; |
| int level_to_irq[LEVELS_PER_SLICE]; |
| }; |
| |
| struct hub_data { |
| cpumask_t h_cpus; |
| unsigned long slice_map; |
| unsigned long irq_alloc_mask[2]; |
| struct slice_data slice[2]; |
| }; |
| |
| struct node_data { |
| struct pglist_data pglist; |
| struct hub_data hub; |
| cpumask_t cpumask; |
| }; |
| |
| extern struct node_data *__node_data[]; |
| |
| #define NODE_DATA(n) (&__node_data[(n)]->pglist) |
| #define hub_data(n) (&__node_data[(n)]->hub) |
| |
| extern void setup_zero_pages(void); |
| extern void __init prom_init_numa_memory(void); |
| |
| #endif /* _ASM_MACH_MMZONE_H */ |
