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microblaze: Support for WB cache

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Microblaze version 7.20.d is the first MB version which can be run
on MMU linux. Please do not used previous version because they contain
HW bug.
Based on WB support was necessary to redesign whole cache design.
Microblaze versions from 7.20.a don't need to disable IRQ and cache
before working with them that's why there are special structures for it.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2009-12-10 11:43:57 +01:00
parent c8983a5c6e
commit 2ee2ff875a
4 changed files with 600 additions and 294 deletions
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9
arch/microblaze/kernel/setup.c
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@ -52,11 +52,12 @@ void __init setup_arch(char **cmdline_p)
/* irq_early_init(); */
setup_cpuinfo();
__invalidate_icache_all();
__enable_icache();
microblaze_cache_init();
__invalidate_dcache_all();
__enable_dcache();
enable_dcache();
invalidate_icache();
enable_icache();
setup_memory();