diff options
| -rw-r--r-- | arch/arm/mach-at91rm9200/devices.c | 1 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/at32ap7000.c | 33 | ||||
| -rw-r--r-- | drivers/serial/atmel_serial.c | 5 | ||||
| -rw-r--r-- | include/asm-arm/arch-at91rm9200/board.h | 1 | ||||
| -rw-r--r-- | include/asm-avr32/arch-at32ap/board.h | 5 |
5 files changed, 37 insertions, 8 deletions
diff --git a/arch/arm/mach-at91rm9200/devices.c b/arch/arm/mach-at91rm9200/devices.c index 5a3919f..0598243 100644 --- a/arch/arm/mach-at91rm9200/devices.c +++ b/arch/arm/mach-at91rm9200/devices.c @@ -561,6 +561,7 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ + .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), }; static struct platform_device at91rm9200_dbgu_device = { diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c index 05d1296..3dd3058 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; diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index 2f9d99b..34212df 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -694,8 +694,9 @@ static void __devinit atmel_init_port(struct atmel_uart_port *atmel_port, struct port->mapbase = pdev->resource[0].start; port->irq = pdev->resource[1].start; - if (port->mapbase == AT91_VA_BASE_SYS + AT91_DBGU) /* Part of system perpherals - already mapped */ - port->membase = (void __iomem *) port->mapbase; + if (data->regs) + /* Already mapped by setup code */ + port->membase = data->regs; else { port->flags |= UPF_IOREMAP; port->membase = NULL; diff --git a/include/asm-arm/arch-at91rm9200/board.h b/include/asm-arm/arch-at91rm9200/board.h index d565270..3cc9aec 100644 --- a/include/asm-arm/arch-at91rm9200/board.h +++ b/include/asm-arm/arch-at91rm9200/board.h @@ -103,6 +103,7 @@ extern void __init at91_init_serial(struct at91_uart_config *config); struct atmel_uart_data { short use_dma_tx; /* use transmit DMA? */ short use_dma_rx; /* use receive DMA? */ + void __iomem *regs; /* virtual base address, if any */ }; extern void __init at91_add_device_serial(void); diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h index 82e5404..4355072 100644 --- a/include/asm-avr32/arch-at32ap/board.h +++ b/include/asm-avr32/arch-at32ap/board.h @@ -12,6 +12,11 @@ void at32_add_system_devices(void); #define ATMEL_MAX_UART 4 extern struct platform_device *atmel_default_console_device; +struct atmel_uart_data { + short use_dma_tx; /* use transmit DMA? */ + short use_dma_rx; /* use receive DMA? */ + void __iomem *regs; /* virtual base address, if any */ +}; struct platform_device *at32_add_device_usart(unsigned int id); struct eth_platform_data { |
