diff options
Diffstat (limited to 'drivers/serial/Kconfig')
| -rw-r--r-- | drivers/serial/Kconfig | 62 |
1 files changed, 58 insertions, 4 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 315ea991645..cab42cbd920 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -62,8 +62,22 @@ config SERIAL_8250_CONSOLE kernel will automatically use the first serial line, /dev/ttyS0, as system console. + you can set that using a kernel command line option such as + "console=uart8250,io,0x3f8,9600n8" + "console=uart8250,mmio,0xff5e0000,115200n8". + and it will switch to normal serial console when correponding port is + ready. + "earlycon=uart8250,io,0x3f8,9600n8" + "earlycon=uart8250,mmio,0xff5e0000,115200n8". + it will not only setup early console. + If unsure, say N. +config FIX_EARLYCON_MEM + bool + depends on X86 + default y + config SERIAL_8250_GSC tristate depends on SERIAL_8250 && GSC @@ -556,7 +570,7 @@ choice config SERIAL_BFIN_DMA bool "DMA mode" - depends on DMA_UNCACHED_1M + depends on DMA_UNCACHED_1M && !KGDB_UART help This driver works under DMA mode. If this option is selected, the blackfin simple dma driver is also enabled. @@ -599,7 +613,7 @@ config UART0_RTS_PIN config SERIAL_BFIN_UART1 bool "Enable UART1" - depends on SERIAL_BFIN && (BF534 || BF536 || BF537) + depends on SERIAL_BFIN && (BF534 || BF536 || BF537 || BF54x) help Enable UART1 @@ -612,18 +626,58 @@ config BFIN_UART1_CTSRTS config UART1_CTS_PIN int "UART1 CTS pin" - depends on BFIN_UART1_CTSRTS + depends on BFIN_UART1_CTSRTS && (BF53x || BF561) 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 + depends on BFIN_UART1_CTSRTS && (BF53x || BF561) + default -1 + help + Refer to ./include/asm-blackfin/gpio.h to see the GPIO map. + +config SERIAL_BFIN_UART2 + bool "Enable UART2" + depends on SERIAL_BFIN && (BF54x) + help + Enable UART2 + +config BFIN_UART2_CTSRTS + bool "Enable UART2 hardware flow control" + depends on SERIAL_BFIN_UART2 + help + Enable hardware flow control in the driver. Using GPIO emulate the CTS/RTS + signal. + +config UART2_CTS_PIN + int "UART2 CTS pin" + depends on BFIN_UART2_CTSRTS + default -1 + help + Refer to ./include/asm-blackfin/gpio.h to see the GPIO map. + +config UART2_RTS_PIN + int "UART2 RTS pin" + depends on BFIN_UART2_CTSRTS default -1 help Refer to ./include/asm-blackfin/gpio.h to see the GPIO map. +config SERIAL_BFIN_UART3 + bool "Enable UART3" + depends on SERIAL_BFIN && (BF54x) + help + Enable UART3 + +config BFIN_UART3_CTSRTS + bool "Enable UART3 hardware flow control" + depends on SERIAL_BFIN_UART3 + help + Enable hardware flow control in the driver. Using GPIO emulate the CTS/RTS + signal. + config SERIAL_IMX bool "IMX serial port support" depends on ARM && ARCH_IMX |