diff options
Diffstat (limited to 'arch/avr32/mach-at32ap/at32ap7000.c')
| -rw-r--r-- | arch/avr32/mach-at32ap/at32ap7000.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c index 05d1296bd7b..3dd30587508 100644 --- a/arch/avr32/mach-at32ap/at32ap7000.c +++ b/arch/avr32/mach-at32ap/at32ap7000.c @@ -523,32 +523,48 @@ void __init at32_add_system_devices(void) * USART * -------------------------------------------------------------------- */ +static struct atmel_uart_data atmel_usart0_data = { + .use_dma_tx = 1, + .use_dma_rx = 1, +}; static struct resource atmel_usart0_resource[] = { PBMEM(0xffe00c00), IRQ(7), }; -DEFINE_DEV(atmel_usart, 0); +DEFINE_DEV_DATA(atmel_usart, 0); DEV_CLK(usart, atmel_usart0, pba, 4); +static struct atmel_uart_data atmel_usart1_data = { + .use_dma_tx = 1, + .use_dma_rx = 1, +}; static struct resource atmel_usart1_resource[] = { PBMEM(0xffe01000), IRQ(7), }; -DEFINE_DEV(atmel_usart, 1); +DEFINE_DEV_DATA(atmel_usart, 1); DEV_CLK(usart, atmel_usart1, pba, 4); +static struct atmel_uart_data atmel_usart2_data = { + .use_dma_tx = 1, + .use_dma_rx = 1, +}; static struct resource atmel_usart2_resource[] = { PBMEM(0xffe01400), IRQ(8), }; -DEFINE_DEV(atmel_usart, 2); +DEFINE_DEV_DATA(atmel_usart, 2); DEV_CLK(usart, atmel_usart2, pba, 5); +static struct atmel_uart_data atmel_usart3_data = { + .use_dma_tx = 1, + .use_dma_rx = 1, +}; static struct resource atmel_usart3_resource[] = { PBMEM(0xffe01800), IRQ(9), }; -DEFINE_DEV(atmel_usart, 3); +DEFINE_DEV_DATA(atmel_usart, 3); DEV_CLK(usart, atmel_usart3, pba, 6); static inline void configure_usart0_pins(void) @@ -597,8 +613,13 @@ static struct platform_device *setup_usart(unsigned int id) configure_usart3_pins(); break; default: - pdev = NULL; - break; + return NULL; + } + + if (PXSEG(pdev->resource[0].start) == P4SEG) { + /* Addresses in the P4 segment are permanently mapped 1:1 */ + struct atmel_uart_data *data = pdev->dev.platform_data; + data->regs = (void __iomem *)pdev->resource[0].start; } return pdev; |