diff options
author | Michael Hennerich <michael.hennerich@analog.com> | 2007-08-03 05:43:29 -0400 |
---|---|---|
committer | Bryan Wu <bryan.wu@analog.com> | 2007-08-03 05:43:29 -0400 |
commit | a924db7c00655447c5228bd74da070c69b7cadbc (patch) | |
tree | 5e19fb9a35edcc4b0066fe529d3c9f8f828f147c /arch/blackfin/kernel | |
parent | 7735cefc4583175486685fced2f457fbe0fd5855 (diff) |
Blackfin arch: Add option to priorize DMA over Core
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 7e2201908356..62f5a35c13ee 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c | |||
@@ -73,6 +73,11 @@ static int __init blackfin_dma_init(void) | |||
73 | /* Mark MEMDMA Channel 0 as requested since we're using it internally */ | 73 | /* Mark MEMDMA Channel 0 as requested since we're using it internally */ |
74 | dma_ch[CH_MEM_STREAM0_DEST].chan_status = DMA_CHANNEL_REQUESTED; | 74 | dma_ch[CH_MEM_STREAM0_DEST].chan_status = DMA_CHANNEL_REQUESTED; |
75 | dma_ch[CH_MEM_STREAM0_SRC].chan_status = DMA_CHANNEL_REQUESTED; | 75 | dma_ch[CH_MEM_STREAM0_SRC].chan_status = DMA_CHANNEL_REQUESTED; |
76 | |||
77 | #if defined(CONFIG_DEB_DMA_URGENT) | ||
78 | bfin_write_EBIU_DDRQUE(bfin_read_EBIU_DDRQUE() | ||
79 | | DEB1_URGENT | DEB2_URGENT | DEB3_URGENT); | ||
80 | #endif | ||
76 | return 0; | 81 | return 0; |
77 | } | 82 | } |
78 | 83 | ||