1 /*
2  * linux/arch/unicore32/include/asm/memblock.h
3  *
4  * Code specific to PKUnity SoC and UniCore ISA
5  *
6  * Copyright (C) 2001-2010 GUAN Xue-tao
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 
13 #ifndef __UNICORE_MEMBLOCK_H__
14 #define __UNICORE_MEMBLOCK_H__
15 
16 /*
17  * Memory map description
18  */
19 # define NR_BANKS 8
20 
21 struct membank {
22 	unsigned long start;
23 	unsigned long size;
24 	unsigned int highmem;
25 };
26 
27 struct meminfo {
28 	int nr_banks;
29 	struct membank bank[NR_BANKS];
30 };
31 
32 extern struct meminfo meminfo;
33 
34 #define for_each_bank(iter, mi)				\
35 	for (iter = 0; iter < (mi)->nr_banks; iter++)
36 
37 #define bank_pfn_start(bank)	__phys_to_pfn((bank)->start)
38 #define bank_pfn_end(bank)	__phys_to_pfn((bank)->start + (bank)->size)
39 #define bank_pfn_size(bank)	((bank)->size >> PAGE_SHIFT)
40 #define bank_phys_start(bank)	((bank)->start)
41 #define bank_phys_end(bank)	((bank)->start + (bank)->size)
42 #define bank_phys_size(bank)	((bank)->size)
43 
44 extern void uc32_memblock_init(struct meminfo *);
45 
46 #endif
47