1/*
2 * sysmem-related prototypes.
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License.  See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 2014 Cadence Design Systems Inc.
9 */
10
11#ifndef _XTENSA_SYSMEM_H
12#define _XTENSA_SYSMEM_H
13
14#define SYSMEM_BANKS_MAX 31
15
16struct meminfo {
17	unsigned long start;
18	unsigned long end;
19};
20
21/*
22 * Bank array is sorted by .start.
23 * Banks don't overlap and there's at least one page gap
24 * between adjacent bank entries.
25 */
26struct sysmem_info {
27	int nr_banks;
28	struct meminfo bank[SYSMEM_BANKS_MAX];
29};
30
31extern struct sysmem_info sysmem;
32
33int add_sysmem_bank(unsigned long start, unsigned long end);
34int mem_reserve(unsigned long, unsigned long, int);
35void bootmem_init(void);
36void zones_init(void);
37
38#endif /* _XTENSA_SYSMEM_H */
39