diff options
| author | Sonic Zhang <sonic.zhang@analog.com> | 2008-02-02 16:31:00 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@analog.com> | 2008-02-02 16:31:00 +0800 |
| commit | 8b01eaff4fdf39d23d53288fd1a3e74fef136145 (patch) | |
| tree | 819a0e86598a75860fc2ed0c23a51f02957cee6c | |
| parent | 83d9cde08b72233d113e31ab93b6b56151be8719 (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>
| -rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 10 | ||||
| -rw-r--r-- | include/asm-blackfin/mach-bf548/dma.h | 4 | ||||
| -rw-r--r-- | include/asm-blackfin/mach-bf548/irq.h | 8 |
3 files changed, 22 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; diff --git a/include/asm-blackfin/mach-bf548/dma.h b/include/asm-blackfin/mach-bf548/dma.h index 4d97d3aa97c..46ff31f20ae 100644 --- a/include/asm-blackfin/mach-bf548/dma.h +++ b/include/asm-blackfin/mach-bf548/dma.h @@ -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 diff --git a/include/asm-blackfin/mach-bf548/irq.h b/include/asm-blackfin/mach-bf548/irq.h index c34507a3f1d..ad380d1f587 100644 --- a/include/asm-blackfin/mach-bf548/irq.h +++ b/include/asm-blackfin/mach-bf548/irq.h @@ -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 |