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powerpc/8xxx: Fix dma for 36bit addressing

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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>
This commit is contained in:
York Sun 2010-08-27 16:25:50 -05:00 committed by Kumar Gala
parent 8d9207c792
commit 359ec49319
1 changed files with 6 additions and 2 deletions
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8
drivers/dma/fsl_dma.c
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@ -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();