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authorSonic Zhang <sonic.zhang@analog.com>2008-02-02 16:31:00 +0800
committerBryan Wu <bryan.wu@analog.com>2008-02-02 16:31:00 +0800
commit8b01eaff4fdf39d23d53288fd1a3e74fef136145 (patch)
tree819a0e86598a75860fc2ed0c23a51f02957cee6c /arch/blackfin/kernel/bfin_dma_5xx.c
parent83d9cde08b72233d113e31ab93b6b56151be8719 (diff)
[Blackfin] arch: Enable UART2 and UART3 for bf548
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin/kernel/bfin_dma_5xx.c')
-rw-r--r--arch/blackfin/kernel/bfin_dma_5xx.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index fa9debe8d5f..5453bc3664f 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -104,6 +104,16 @@ int request_dma(unsigned int channel, char *device_id)
mutex_unlock(&(dma_ch[channel].dmalock));
+#ifdef CONFIG_BF54x
+ if (channel >= CH_UART2_RX && channel <= CH_UART3_TX &&
+ strncmp(device_id, "BFIN_UART", 9) == 0)
+ dma_ch[channel].regs->peripheral_map |=
+ (channel - CH_UART2_RX + 0xC);
+ else
+ dma_ch[channel].regs->peripheral_map |=
+ (channel - CH_UART2_RX + 0x6);
+#endif
+
dma_ch[channel].device_id = device_id;
dma_ch[channel].irq_callback = NULL;