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arm: cache: Add support for write-allocate D-Cache

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Add configuration for the write-allocate mode of L1 D-Cache on ARM.
This is needed for D-Cache operation on Cortex-A9 on the SoCFPGA .

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Tom Rini <trini@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Pavel Machek <pavel@denx.de>
Acked-by: Pavel Machek <pavel@denx.de>
This commit is contained in:
Marek Vasut
2014-09-15 02:44:36 +02:00
parent be9f643ae6
commit ff7e9700ed
2 changed files with 3 additions and 0 deletions
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2
arch/arm/lib/cache-cp15.c
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@@ -73,6 +73,8 @@ __weak void dram_bank_mmu_setup(int bank)
i++) {
#if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH)
set_section_dcache(i, DCACHE_WRITETHROUGH);
#elif defined(CONFIG_SYS_ARM_CACHE_WRITEALLOC)
set_section_dcache(i, DCACHE_WRITEALLOC);
#else
set_section_dcache(i, DCACHE_WRITEBACK);
#endif