arm: cache: Add support for write-allocate D-Cache
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>
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index d51ba66..ca2d44f 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -185,6 +185,7 @@
DCACHE_OFF = 0x12,
DCACHE_WRITETHROUGH = 0x1a,
DCACHE_WRITEBACK = 0x1e,
+ DCACHE_WRITEALLOC = 0x16,
};
/* Size of an MMU section */