[Sound-open-firmware] [PATCH] dw-dma: fix dsp local memory mapping issue

[Keyon Jie]

for DMA controller, we need mask dsp local memory before
setting it to DMAC registers, otherwise, DMAC will locate
to wrong memory address.

Signed-off-by: Keyon Jie <yang.jie at linux.intel.com>
---
 src/drivers/dw-dma.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/drivers/dw-dma.c b/src/drivers/dw-dma.c
index 8834ca3..33c0d87 100644
--- a/src/drivers/dw-dma.c
+++ b/src/drivers/dw-dma.c
@@ -633,15 +633,15 @@ static int dw_dma_set_config(struct dma *dma, int channel,
 		case DMA_DIR_MEM_TO_MEM:
 			lli_desc->ctrl_lo |= DW_CTLL_FC_M2M;
 			lli_desc->ctrl_lo |= DW_CTLL_SRC_INC | DW_CTLL_DST_INC;
-			lli_desc->sar = (uint32_t)sg_elem->src;
-			lli_desc->dar = (uint32_t)sg_elem->dest;
+			lli_desc->sar = (uint32_t)sg_elem->src | PLATFORM_HOST_DMA_MASK;
+			lli_desc->dar = (uint32_t)sg_elem->dest | PLATFORM_HOST_DMA_MASK;
 			break;
 		case DMA_DIR_MEM_TO_DEV:
 			lli_desc->ctrl_lo |= DW_CTLL_FC_M2P;
 			lli_desc->ctrl_lo |= DW_CTLL_SRC_INC | DW_CTLL_DST_FIX;
 			p->chan[channel].cfg_hi |=
 				DW_CFGH_DST_PER(config->dest_dev);
-			lli_desc->sar = (uint32_t)sg_elem->src;
+			lli_desc->sar = (uint32_t)sg_elem->src | PLATFORM_HOST_DMA_MASK;
 			lli_desc->dar = (uint32_t)sg_elem->dest;
 			break;
 		case DMA_DIR_DEV_TO_MEM:
@@ -650,7 +650,7 @@ static int dw_dma_set_config(struct dma *dma, int channel,
 			p->chan[channel].cfg_hi |=
 				DW_CFGH_SRC_PER(config->src_dev);
 			lli_desc->sar = (uint32_t)sg_elem->src;
-			lli_desc->dar = (uint32_t)sg_elem->dest;
+			lli_desc->dar = (uint32_t)sg_elem->dest | PLATFORM_HOST_DMA_MASK;
 			break;
 		case DMA_DIR_DEV_TO_DEV:
 			lli_desc->ctrl_lo |= DW_CTLL_FC_P2P;
-- 
2.5.0