Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
Path: blob/master/arch/unicore32/include/asm/memblock.h
10818 views
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
48