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/*
* Copyright (C) 2012 ARM Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ASM_MMU_H
#define __ASM_MMU_H
typedef struct {
unsigned int id;
raw_spinlock_t id_lock;
void *vdso;
} mm_context_t;
#define INIT_MM_CONTEXT(name) \
.context.id_lock = __RAW_SPIN_LOCK_UNLOCKED(name.context.id_lock),
#define ASID(mm) ((mm)->context.id & 0xffff)
extern void paging_init(void);
extern void setup_mm_for_reboot(void);
extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt);
extern void init_mem_pgprot(void);
/* create an identity mapping for memory (or io if map_io is true) */
extern void create_id_mapping(phys_addr_t addr, phys_addr_t size, int map_io);
#endif
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