[deliverable/linux.git] / arch / xtensa / include / asm / sysmem.h

/*
 * sysmem-related prototypes.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2014 Cadence Design Systems Inc.
 */

#ifndef _XTENSA_SYSMEM_H
#define _XTENSA_SYSMEM_H

#define SYSMEM_BANKS_MAX 31

struct meminfo {
	unsigned long start;
	unsigned long end;
};

/*
 * Bank array is sorted by .start.
 * Banks don't overlap and there's at least one page gap
 * between adjacent bank entries.
 */
struct sysmem_info {
	int nr_banks;
	struct meminfo bank[SYSMEM_BANKS_MAX];
};

extern struct sysmem_info sysmem;

int add_sysmem_bank(unsigned long start, unsigned long end);
int mem_reserve(unsigned long, unsigned long, int);
void bootmem_init(void);
void zones_init(void);

#endif /* _XTENSA_SYSMEM_H */
Commit	Line	Data
9ba067f9 MF	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
	16	struct meminfo {
	17	unsigned long start;
	18	unsigned long end;
	19	};
	20
9d4b52df MF	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	*/
9ba067f9 MF	26	struct sysmem_info {
	27	int nr_banks;
	28	struct meminfo bank[SYSMEM_BANKS_MAX];
	29	};
	30
	31	extern struct sysmem_info sysmem;
	32
	33	int add_sysmem_bank(unsigned long start, unsigned long end);
	34	int mem_reserve(unsigned long, unsigned long, int);
	35	void bootmem_init(void);
	36	void zones_init(void);
	37
	38	#endif /* _XTENSA_SYSMEM_H */