blob: 0fbec23becb5b0903b90e7bbeed62e30af3809ca (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* File: Documentation/blackfin/cachefeatures.txt
* Based on:
* Author:
*
* Created:
* Description: This file contains the simple DMA Implementation for Blackfin
*
* Rev: $Id: cachefeatures.txt 2384 2006-11-01 04:12:43Z magicyang $
*
* Modified:
* Copyright 2004-2006 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
*/
- Instruction and Data cache initialization.
icache_init();
dcache_init();
- Instruction and Data cache Invalidation Routines, when flushing the
same is not required.
_icache_invalidate();
_dcache_invalidate();
Also, for invalidating the entire instruction and data cache, the below
routines are provided (another method for invalidation, refer page no 267 and 287 of
ADSP-BF533 Hardware Reference manual)
invalidate_entire_dcache();
invalidate_entire_icache();
-External Flushing of Instruction and data cache routines.
flush_instruction_cache();
flush_data_cache();
- Internal Flushing of Instruction and Data Cache.
icplb_flush();
dcplb_flush();
- Locking the cache.
cache_grab_lock();
cache_lock();
Please refer linux-2.6.x/Documentation/blackfin/cache-lock.txt for how to
lock the cache.
Locking the cache is optional feature.
- Miscellaneous cache functions.
flush_cache_all();
flush_cache_mm();
invalidate_dcache_range();
flush_dcache_range();
flush_dcache_page();
flush_cache_range();
flush_cache_page();
invalidate_dcache_range();
flush_page_to_ram();
|
