From 0a07232ff62d1523c5fa7292180890f4de670b95 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Krzysztof=20Ha=C5=82asa?= Date: Fri, 13 Mar 2009 17:57:04 +0100 Subject: IXP4xx: workaround for PCI prefetch problems near 64 MB boundary. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Map unused registers at the end of DMA region at 64 MB to allow PCI masters to cross the boundary when prefetching data from SDRAM. Signed-off-by: Krzysztof Hałasa --- arch/arm/include/asm/sizes.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm/include') diff --git a/arch/arm/include/asm/sizes.h b/arch/arm/include/asm/sizes.h index 503843db156..c10d1aa4b48 100644 --- a/arch/arm/include/asm/sizes.h +++ b/arch/arm/include/asm/sizes.h @@ -43,6 +43,7 @@ #define SZ_8M 0x00800000 #define SZ_16M 0x01000000 #define SZ_32M 0x02000000 +#define SZ_48M 0x03000000 #define SZ_64M 0x04000000 #define SZ_128M 0x08000000 #define SZ_256M 0x10000000 -- cgit v1.2.3