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Bernd Schmidtb97b8a92008-01-27 18:39:16 +08001/*
2 * File: include/asm-blackfin/cplbinit.h
3 * Based on:
4 * Author:
5 *
6 * Created:
7 * Description:
8 *
9 * Modified:
10 * Copyright 2004-2006 Analog Devices Inc.
11 *
12 * Bugs: Enter bugs at http://blackfin.uclinux.org/
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, see the file COPYING, or write
26 * to the Free Software Foundation, Inc.,
27 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 */
29#ifndef __ASM_BFIN_CPLB_MPU_H
30#define __ASM_BFIN_CPLB_MPU_H
31
32struct cplb_entry {
33 unsigned long data, addr;
34};
35
36struct mem_region {
37 unsigned long start, end;
38 unsigned long dcplb_data;
39 unsigned long icplb_data;
40};
41
42extern struct cplb_entry dcplb_tbl[MAX_CPLBS];
43extern struct cplb_entry icplb_tbl[MAX_CPLBS];
44extern int first_switched_icplb;
45extern int first_mask_dcplb;
46extern int first_switched_dcplb;
47
48extern int nr_dcplb_miss, nr_icplb_miss, nr_icplb_supv_miss, nr_dcplb_prot;
49extern int nr_cplb_flush;
50
51extern int page_mask_order;
52extern int page_mask_nelts;
53
54extern unsigned long *current_rwx_mask;
55
56extern void flush_switched_cplbs(void);
57extern void set_mask_dcplbs(unsigned long *);
58
59extern void __noreturn panic_cplb_error(int seqstat, struct pt_regs *);
60
61#endif /* __ASM_BFIN_CPLB_MPU_H */