diff options
| author | Krzysztof Hałasa <khc@pm.waw.pl> | 2009-03-13 12:57:04 -0400 |
|---|---|---|
| committer | Krzysztof Hałasa <khc@pm.waw.pl> | 2009-03-17 10:00:55 -0400 |
| commit | 0a07232ff62d1523c5fa7292180890f4de670b95 (patch) | |
| tree | 7b190acf8cf61b8ba5bdca7f94676f45f048be8c /arch/arm/include/asm/sizes.h | |
| parent | fec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff) | |
IXP4xx: workaround for PCI prefetch problems near 64 MB boundary.
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 <khc@pm.waw.pl>
Diffstat (limited to 'arch/arm/include/asm/sizes.h')
| -rw-r--r-- | arch/arm/include/asm/sizes.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/sizes.h b/arch/arm/include/asm/sizes.h index 503843db1565..c10d1aa4b487 100644 --- a/arch/arm/include/asm/sizes.h +++ b/arch/arm/include/asm/sizes.h | |||
| @@ -43,6 +43,7 @@ | |||
| 43 | #define SZ_8M 0x00800000 | 43 | #define SZ_8M 0x00800000 |
| 44 | #define SZ_16M 0x01000000 | 44 | #define SZ_16M 0x01000000 |
| 45 | #define SZ_32M 0x02000000 | 45 | #define SZ_32M 0x02000000 |
| 46 | #define SZ_48M 0x03000000 | ||
| 46 | #define SZ_64M 0x04000000 | 47 | #define SZ_64M 0x04000000 |
| 47 | #define SZ_128M 0x08000000 | 48 | #define SZ_128M 0x08000000 |
| 48 | #define SZ_256M 0x10000000 | 49 | #define SZ_256M 0x10000000 |