Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 1 | /* |
| 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 | |
Mike Frysinger | 81a487a | 2007-11-21 15:55:45 +0800 | [diff] [blame] | 30 | #ifndef __ASM_CPLBINIT_H__ |
| 31 | #define __ASM_CPLBINIT_H__ |
| 32 | |
Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 33 | #include <asm/blackfin.h> |
| 34 | #include <asm/cplb.h> |
Bernd Schmidt | dbdf20d | 2009-01-07 23:14:38 +0800 | [diff] [blame] | 35 | #include <linux/threads.h> |
| 36 | |
| 37 | #ifdef CONFIG_CPLB_SWITCH_TAB_L1 |
| 38 | # define PDT_ATTR __attribute__((l1_data)) |
| 39 | #else |
| 40 | # define PDT_ATTR |
| 41 | #endif |
| 42 | |
| 43 | struct cplb_entry { |
| 44 | unsigned long data, addr; |
| 45 | }; |
| 46 | |
| 47 | struct cplb_boundary { |
| 48 | unsigned long eaddr; /* End of this region. */ |
| 49 | unsigned long data; /* CPLB data value. */ |
| 50 | }; |
| 51 | |
| 52 | extern struct cplb_boundary dcplb_bounds[]; |
| 53 | extern struct cplb_boundary icplb_bounds[]; |
| 54 | extern int dcplb_nr_bounds, icplb_nr_bounds; |
| 55 | |
| 56 | extern struct cplb_entry dcplb_tbl[NR_CPUS][MAX_CPLBS]; |
| 57 | extern struct cplb_entry icplb_tbl[NR_CPUS][MAX_CPLBS]; |
| 58 | extern int first_switched_icplb; |
| 59 | extern int first_switched_dcplb; |
| 60 | |
| 61 | extern int nr_dcplb_miss[], nr_icplb_miss[], nr_icplb_supv_miss[]; |
| 62 | extern int nr_dcplb_prot[], nr_cplb_flush[]; |
Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 63 | |
Bernd Schmidt | b97b8a9 | 2008-01-27 18:39:16 +0800 | [diff] [blame] | 64 | #ifdef CONFIG_MPU |
| 65 | |
Bernd Schmidt | dbdf20d | 2009-01-07 23:14:38 +0800 | [diff] [blame] | 66 | extern int first_mask_dcplb; |
Bernd Schmidt | b97b8a9 | 2008-01-27 18:39:16 +0800 | [diff] [blame] | 67 | |
Bernd Schmidt | dbdf20d | 2009-01-07 23:14:38 +0800 | [diff] [blame] | 68 | extern int page_mask_order; |
| 69 | extern int page_mask_nelts; |
Bernd Schmidt | b97b8a9 | 2008-01-27 18:39:16 +0800 | [diff] [blame] | 70 | |
Bernd Schmidt | dbdf20d | 2009-01-07 23:14:38 +0800 | [diff] [blame] | 71 | extern unsigned long *current_rwx_mask[NR_CPUS]; |
Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 72 | |
Bernd Schmidt | dbdf20d | 2009-01-07 23:14:38 +0800 | [diff] [blame] | 73 | extern void flush_switched_cplbs(unsigned int); |
| 74 | extern void set_mask_dcplbs(unsigned long *, unsigned int); |
Graf Yang | b8a9898 | 2008-11-18 17:48:22 +0800 | [diff] [blame] | 75 | |
Bernd Schmidt | dbdf20d | 2009-01-07 23:14:38 +0800 | [diff] [blame] | 76 | extern void __noreturn panic_cplb_error(int seqstat, struct pt_regs *); |
Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 77 | |
Bernd Schmidt | b97b8a9 | 2008-01-27 18:39:16 +0800 | [diff] [blame] | 78 | #endif /* CONFIG_MPU */ |
| 79 | |
Bernd Schmidt | dbdf20d | 2009-01-07 23:14:38 +0800 | [diff] [blame] | 80 | extern void bfin_icache_init(struct cplb_entry *icplb_tbl); |
| 81 | extern void bfin_dcache_init(struct cplb_entry *icplb_tbl); |
| 82 | |
Graf Yang | b8a9898 | 2008-11-18 17:48:22 +0800 | [diff] [blame] | 83 | #if defined(CONFIG_BFIN_DCACHE) || defined(CONFIG_BFIN_ICACHE) |
Bernd Schmidt | dbdf20d | 2009-01-07 23:14:38 +0800 | [diff] [blame] | 84 | extern void generate_cplb_tables_all(void); |
Graf Yang | b8a9898 | 2008-11-18 17:48:22 +0800 | [diff] [blame] | 85 | extern void generate_cplb_tables_cpu(unsigned int cpu); |
| 86 | #endif |
Mike Frysinger | 81a487a | 2007-11-21 15:55:45 +0800 | [diff] [blame] | 87 | #endif |