66 lines
1.5 KiB
Plaintext
66 lines
1.5 KiB
Plaintext
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/*
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* File: Documentation/blackfin/cachefeatures.txt
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* Based on:
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* Author:
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*
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* Created:
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* Description: This file contains the simple DMA Implementation for Blackfin
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*
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* Rev: $Id: cachefeatures.txt 2384 2006-11-01 04:12:43Z magicyang $
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*
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* Modified:
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* Copyright 2004-2006 Analog Devices Inc.
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*
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* Bugs: Enter bugs at http://blackfin.uclinux.org/
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*
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*/
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- Instruction and Data cache initialization.
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icache_init();
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dcache_init();
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- Instruction and Data cache Invalidation Routines, when flushing the
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same is not required.
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_icache_invalidate();
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_dcache_invalidate();
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Also, for invalidating the entire instruction and data cache, the below
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routines are provided (another method for invalidation, refer page no 267 and 287 of
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ADSP-BF533 Hardware Reference manual)
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invalidate_entire_dcache();
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invalidate_entire_icache();
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-External Flushing of Instruction and data cache routines.
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flush_instruction_cache();
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flush_data_cache();
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- Internal Flushing of Instruction and Data Cache.
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icplb_flush();
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dcplb_flush();
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- Locking the cache.
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cache_grab_lock();
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cache_lock();
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Please refer linux-2.6.x/Documentation/blackfin/cache-lock.txt for how to
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lock the cache.
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Locking the cache is optional feature.
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- Miscellaneous cache functions.
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flush_cache_all();
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flush_cache_mm();
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invalidate_dcache_range();
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flush_dcache_range();
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flush_dcache_page();
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flush_cache_range();
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flush_cache_page();
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invalidate_dcache_range();
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flush_page_to_ram();
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