[ARM] 4863/1: AT91: CAP9 USART definitions for early debug

[linux-2.6-omap-h63xx.git] / drivers / serial / Kconfig

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 84a054d7e9865aec10da1601a7e3f4deba7635c7..cf627cd1b4c8f27e028649e97091a5b06e375e5c 100644 (file)
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -380,6 +380,21 @@ config SERIAL_ATMEL_CONSOLE
          console is the device which receives all kernel messages and
          warnings and which allows logins in single user mode).
 
+config SERIAL_ATMEL_PDC
+       bool "Support DMA transfers on AT91 / AT32 serial port"
+       depends on SERIAL_ATMEL
+       default y
+       help
+         Say Y here if you wish to use the PDC to do DMA transfers to
+         and from the Atmel AT91 / AT32 serial port. In order to
+         actually use DMA transfers, make sure that the use_dma_tx
+         and use_dma_rx members in the atmel_uart_data struct is set
+         appropriately for each port.
+
+         Note that break and error handling currently doesn't work
+         properly when DMA is enabled. Make sure that ports where
+         this matters don't use DMA.
+
 config SERIAL_ATMEL_TTYAT
        bool "Install as device ttyATn instead of ttySn"
        depends on SERIAL_ATMEL=y
@@ -671,7 +686,7 @@ config UART0_RTS_PIN
 
 config SERIAL_BFIN_UART1
        bool "Enable UART1"
-       depends on SERIAL_BFIN && (BF534 || BF536 || BF537 || BF54x)
+       depends on SERIAL_BFIN && (!BF531 && !BF532 && !BF533 && !BF561)
        help
          Enable UART1
 
@@ -684,14 +699,14 @@ config BFIN_UART1_CTSRTS
 
 config UART1_CTS_PIN
        int "UART1 CTS pin"
-       depends on BFIN_UART1_CTSRTS && (BF53x || BF561)
+       depends on BFIN_UART1_CTSRTS && !BF54x
        default -1
        help
          Refer to ./include/asm-blackfin/gpio.h to see the GPIO map.
 
 config UART1_RTS_PIN
        int "UART1 RTS pin"
-       depends on BFIN_UART1_CTSRTS && (BF53x || BF561)
+       depends on BFIN_UART1_CTSRTS && !BF54x
        default -1
        help
          Refer to ./include/asm-blackfin/gpio.h to see the GPIO map.