diff options
| author | York Sun <yorksun@freescale.com> | 2010-08-27 16:25:50 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2010-08-31 11:23:15 -0500 |
| commit | 359ec4931944adb885882deb9b781e4095eabc94 (patch) | |
| tree | dfffa9d3949c402c81bd46cb7b6dc1f36d586999 /drivers/dma | |
| parent | 8d9207c79223497666580c51be7c4f9e2d7a4d1f (diff) | |
| download | talos-obmc-uboot-359ec4931944adb885882deb9b781e4095eabc94.tar.gz talos-obmc-uboot-359ec4931944adb885882deb9b781e4095eabc94.zip | |
powerpc/8xxx: Fix dma for 36bit addressing
Use more bits to support 36-bit addressing
Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/fsl_dma.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/dma/fsl_dma.c b/drivers/dma/fsl_dma.c index df33e7a3ee..09c18c1929 100644 --- a/drivers/dma/fsl_dma.c +++ b/drivers/dma/fsl_dma.c @@ -114,8 +114,12 @@ int dmacpy(phys_addr_t dest, phys_addr_t src, phys_size_t count) { while (count) { xfer_size = MIN(FSL_DMA_MAX_SIZE, count); - out_dma32(&dma->dar, (uint) dest); - out_dma32(&dma->sar, (uint) src); + out_dma32(&dma->dar, (u32) (dest & 0xFFFFFFFF)); + out_dma32(&dma->sar, (u32) (src & 0xFFFFFFFF)); + out_dma32(&dma->satr, + in_dma32(&dma->satr) | (u32)((u64)src >> 32)); + out_dma32(&dma->datr, + in_dma32(&dma->datr) | (u32)((u64)dest >> 32)); out_dma32(&dma->bcr, xfer_size); dma_sync(); |
