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[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>
This commit is contained in:
Sonic Zhang 2008-02-02 16:31:00 +08:00 committed by Bryan Wu
parent 83d9cde08b
commit 8b01eaff4f
3 changed files with 22 additions and 0 deletions
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10
arch/blackfin/kernel/bfin_dma_5xx.c
View File

@ -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;

4
include/asm-blackfin/mach-bf548/dma.h
View File

@ -51,9 +51,13 @@
#define CH_PIXC_OVERLAY 16
#define CH_PIXC_OUTPUT 17
#define CH_SPORT2_RX 18
#define CH_UART2_RX 18
#define CH_SPORT2_TX 19
#define CH_UART2_TX 19
#define CH_SPORT3_RX 20
#define CH_UART3_RX 20
#define CH_SPORT3_TX 21
#define CH_UART3_TX 21
#define CH_SDH 22
#define CH_NFC 22
#define CH_SPI2 23

8
include/asm-blackfin/mach-bf548/irq.h
View File

@ -99,9 +99,13 @@ Events (highest priority) EMU 0
#define IRQ_UART2_ERROR BFIN_IRQ(31) /* UART2 Status (Error) Interrupt */
#define IRQ_CAN0_ERROR BFIN_IRQ(32) /* CAN0 Status (Error) Interrupt */
#define IRQ_SPORT2_RX BFIN_IRQ(33) /* SPORT2 RX (DMA18) Interrupt */
#define IRQ_UART2_RX BFIN_IRQ(33) /* UART2 RX (DMA18) Interrupt */
#define IRQ_SPORT2_TX BFIN_IRQ(34) /* SPORT2 TX (DMA19) Interrupt */
#define IRQ_UART2_TX BFIN_IRQ(34) /* UART2 TX (DMA19) Interrupt */
#define IRQ_SPORT3_RX BFIN_IRQ(35) /* SPORT3 RX (DMA20) Interrupt */
#define IRQ_UART3_RX BFIN_IRQ(35) /* UART3 RX (DMA20) Interrupt */
#define IRQ_SPORT3_TX BFIN_IRQ(36) /* SPORT3 TX (DMA21) Interrupt */
#define IRQ_UART3_TX BFIN_IRQ(36) /* UART3 TX (DMA21) Interrupt */
#define IRQ_EPPI1 BFIN_IRQ(37) /* EPP1 (DMA13) Interrupt */
#define IRQ_EPPI2 BFIN_IRQ(38) /* EPP2 (DMA14) Interrupt */
#define IRQ_SPI1 BFIN_IRQ(39) /* SPI1 (DMA5) Interrupt */
@ -421,9 +425,13 @@ Events (highest priority) EMU 0
/* IAR4 BIT FILEDS */
#define IRQ_CAN0_ERR_POS 0
#define IRQ_SPORT2_RX_POS 4
#define IRQ_UART2_RX_POS 4
#define IRQ_SPORT2_TX_POS 8
#define IRQ_UART2_TX_POS 8
#define IRQ_SPORT3_RX_POS 12
#define IRQ_UART3_RX_POS 12
#define IRQ_SPORT3_TX_POS 16
#define IRQ_UART3_TX_POS 16
#define IRQ_EPPI1_POS 20
#define IRQ_EPPI2_POS 24
#define IRQ_SPI1_POS 28