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Commit | Line | Data |
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1394f032 | 1 | /* |
96f1050d | 2 | * Common CPLB definitions for CPLB init |
1394f032 | 3 | * |
96f1050d | 4 | * Copyright 2006-2008 Analog Devices Inc. |
1394f032 | 5 | * |
96f1050d | 6 | * Licensed under the GPL-2 or later. |
1394f032 BW |
7 | */ |
8 | ||
81a487a5 MF |
9 | #ifndef __ASM_CPLBINIT_H__ |
10 | #define __ASM_CPLBINIT_H__ | |
11 | ||
1394f032 BW |
12 | #include <asm/blackfin.h> |
13 | #include <asm/cplb.h> | |
dbdf20db | 14 | #include <linux/threads.h> |
1394f032 | 15 | |
dbdf20db BS |
16 | #ifdef CONFIG_CPLB_SWITCH_TAB_L1 |
17 | # define PDT_ATTR __attribute__((l1_data)) | |
b97b8a99 | 18 | #else |
dbdf20db BS |
19 | # define PDT_ATTR |
20 | #endif | |
b97b8a99 | 21 | |
dbdf20db BS |
22 | struct cplb_entry { |
23 | unsigned long data, addr; | |
24 | }; | |
1394f032 | 25 | |
dbdf20db BS |
26 | struct cplb_boundary { |
27 | unsigned long eaddr; /* End of this region. */ | |
28 | unsigned long data; /* CPLB data value. */ | |
29 | }; | |
b8a98989 | 30 | |
dbdf20db BS |
31 | extern struct cplb_boundary dcplb_bounds[]; |
32 | extern struct cplb_boundary icplb_bounds[]; | |
33 | extern int dcplb_nr_bounds, icplb_nr_bounds; | |
b8a98989 | 34 | |
dbdf20db BS |
35 | extern struct cplb_entry dcplb_tbl[NR_CPUS][MAX_CPLBS]; |
36 | extern struct cplb_entry icplb_tbl[NR_CPUS][MAX_CPLBS]; | |
37 | extern int first_switched_icplb; | |
38 | extern int first_switched_dcplb; | |
b8a98989 | 39 | |
dbdf20db BS |
40 | extern int nr_dcplb_miss[], nr_icplb_miss[], nr_icplb_supv_miss[]; |
41 | extern int nr_dcplb_prot[], nr_cplb_flush[]; | |
1394f032 | 42 | |
dbdf20db | 43 | #ifdef CONFIG_MPU |
1394f032 | 44 | |
dbdf20db | 45 | extern int first_mask_dcplb; |
1394f032 | 46 | |
dbdf20db BS |
47 | extern int page_mask_order; |
48 | extern int page_mask_nelts; | |
1394f032 | 49 | |
dbdf20db | 50 | extern unsigned long *current_rwx_mask[NR_CPUS]; |
1394f032 | 51 | |
dbdf20db BS |
52 | extern void flush_switched_cplbs(unsigned int); |
53 | extern void set_mask_dcplbs(unsigned long *, unsigned int); | |
54 | ||
55 | extern void __noreturn panic_cplb_error(int seqstat, struct pt_regs *); | |
1394f032 | 56 | |
b97b8a99 BS |
57 | #endif /* CONFIG_MPU */ |
58 | ||
dbdf20db BS |
59 | extern void bfin_icache_init(struct cplb_entry *icplb_tbl); |
60 | extern void bfin_dcache_init(struct cplb_entry *icplb_tbl); | |
61 | ||
b8a98989 | 62 | #if defined(CONFIG_BFIN_DCACHE) || defined(CONFIG_BFIN_ICACHE) |
dbdf20db | 63 | extern void generate_cplb_tables_all(void); |
b8a98989 GY |
64 | extern void generate_cplb_tables_cpu(unsigned int cpu); |
65 | #endif | |
81a487a5 | 66 | #endif |