#
menu "Serial drivers"
+ depends on HAS_IOMEM
#
# The new 8250/16550 serial drivers
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 the corresponding
+ 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
to this option. The driver can handle 1 or 2 serial ports.
If unsure, say N.
+config SERIAL_8250_RM9K
+ bool "Support for MIPS RM9xxx integrated serial port"
+ depends on SERIAL_8250 != n && SERIAL_RM9000
+ select SERIAL_8250_SHARE_IRQ
+ help
+ Selecting this option will add support for the integrated serial
+ port hardware found on MIPS RM9122 and similar processors.
+ If unsure, say N.
+
comment "Non-8250 serial port support"
config SERIAL_AMBA_PL010
select SERIAL_CORE
help
This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
- an Integrator/AP or Integrator/PP2 platform, say Y or M here.
+ an Integrator/AP or Integrator/PP2 platform, or if you have a
+ Cirrus Logic EP93xx CPU, say Y or M here.
If unsure, say N.
your boot loader (lilo or loadlin) about how to pass options to the
kernel at boot time.)
+config SERIAL_SB1250_DUART
+ tristate "BCM1xxx on-chip DUART serial support"
+ depends on SIBYTE_SB1xxx_SOC=y
+ select SERIAL_CORE
+ default y
+ ---help---
+ Support for the asynchronous serial interface (DUART) included in
+ the BCM1250 and derived System-On-a-Chip (SOC) devices. Note that
+ the letter D in DUART stands for "dual", which is how the device
+ is implemented. Depending on the SOC configuration there may be
+ one or more DUARTs available of which all are handled.
+
+ If unsure, say Y. To compile this driver as a module, choose M here:
+ the module will be called sb1250-duart.
+
+config SERIAL_SB1250_DUART_CONSOLE
+ bool "Support for console on a BCM1xxx DUART serial port"
+ depends on SERIAL_SB1250_DUART=y
+ select SERIAL_CORE_CONSOLE
+ default y
+ ---help---
+ If you say Y here, it will be possible to use a serial port as the
+ system console (the system console is the device which receives all
+ kernel messages and warnings and which allows logins in single user
+ mode).
+
+ If unsure, say Y.
+
config SERIAL_ATMEL
bool "AT91 / AT32 on-chip serial port support"
depends on (ARM && ARCH_AT91) || AVR32
Say Y if you have an external 8250/16C550 UART. If unsure, say N.
+config SERIAL_KS8695
+ bool "Micrel KS8695 (Centaur) serial port support"
+ depends on ARCH_KS8695
+ select SERIAL_CORE
+ help
+ This selects the Micrel Centaur KS8695 UART. Say Y here.
+
+config SERIAL_KS8695_CONSOLE
+ bool "Support for console on KS8695 (Centaur) serial port"
+ depends on SERIAL_KS8695=y
+ select SERIAL_CORE_CONSOLE
+ help
+ Say Y here if you wish to use a KS8695 (Centaur) UART as the
+ system console (the system console is the device which
+ receives all kernel messages and warnings and which allows
+ logins in single user mode).
+
config SERIAL_CLPS711X
tristate "CLPS711X serial port support"
depends on ARM && ARCH_CLPS711X
If unsure, say Y.
+config SERIAL_ZS
+ tristate "DECstation Z85C30 serial support"
+ depends on MACH_DECSTATION
+ select SERIAL_CORE
+ default y
+ ---help---
+ Support for the Zilog 85C350 serial communications controller used
+ for serial ports in newer DECstation systems. These include the
+ DECsystem 5900 and all models of the DECstation and DECsystem 5000
+ systems except from model 200.
+
+ If unsure, say Y. To compile this driver as a module, choose M here:
+ the module will be called zs.
+
+config SERIAL_ZS_CONSOLE
+ bool "Support for console on a DECstation Z85C30 serial port"
+ depends on SERIAL_ZS=y
+ select SERIAL_CORE_CONSOLE
+ default y
+ ---help---
+ If you say Y here, it will be possible to use a serial port as the
+ system console (the system console is the device which receives all
+ kernel messages and warnings and which allows logins in single user
+ mode).
+
+ Note that the firmware uses ttyS1 as the serial console on the
+ Maxine and ttyS3 on the others using this driver.
+
+ If unsure, say Y.
+
config SERIAL_21285
tristate "DC21285 serial port support"
depends on ARM && FOOTBRIDGE
your boot loader (lilo or loadlin) about how to pass options to the
kernel at boot time.)
+config SERIAL_BFIN
+ tristate "Blackfin serial port support"
+ depends on BFIN
+ select SERIAL_CORE
+ select SERIAL_BFIN_UART0 if (BF531 || BF532 || BF533 || BF561)
+ help
+ Add support for the built-in UARTs on the Blackfin.
+
+ To compile this driver as a module, choose M here: the
+ module will be called bfin_5xx.
+
+config SERIAL_BFIN_CONSOLE
+ bool "Console on Blackfin serial port"
+ depends on SERIAL_BFIN=y
+ select SERIAL_CORE_CONSOLE
+
+choice
+ prompt "UART Mode"
+ depends on SERIAL_BFIN
+ default SERIAL_BFIN_DMA
+ help
+ This driver supports the built-in serial ports of the Blackfin family
+ of CPUs
+
+config SERIAL_BFIN_DMA
+ bool "DMA mode"
+ depends on !DMA_UNCACHED_NONE && !KGDB_UART
+ help
+ This driver works under DMA mode. If this option is selected, the
+ blackfin simple dma driver is also enabled.
+
+config SERIAL_BFIN_PIO
+ bool "PIO mode"
+ help
+ This driver works under PIO mode.
+
+endchoice
+
+config SERIAL_BFIN_UART0
+ bool "Enable UART0"
+ depends on SERIAL_BFIN
+ help
+ Enable UART0
+
+config BFIN_UART0_CTSRTS
+ bool "Enable UART0 hardware flow control"
+ depends on SERIAL_BFIN_UART0
+ help
+ Enable hardware flow control in the driver. Using GPIO emulate the CTS/RTS
+ signal.
+
+config UART0_CTS_PIN
+ int "UART0 CTS pin"
+ depends on BFIN_UART0_CTSRTS
+ default 23
+ help
+ The default pin is GPIO_GP7.
+ Refer to ./include/asm-blackfin/gpio.h to see the GPIO map.
+
+config UART0_RTS_PIN
+ int "UART0 RTS pin"
+ depends on BFIN_UART0_CTSRTS
+ default 22
+ help
+ The default pin is GPIO_GP6.
+ Refer to ./include/asm-blackfin/gpio.h to see the GPIO map.
+
+config SERIAL_BFIN_UART1
+ bool "Enable UART1"
+ depends on SERIAL_BFIN && (BF534 || BF536 || BF537 || BF54x)
+ help
+ Enable UART1
+
+config BFIN_UART1_CTSRTS
+ bool "Enable UART1 hardware flow control"
+ depends on SERIAL_BFIN_UART1
+ help
+ Enable hardware flow control in the driver. Using GPIO emulate the CTS/RTS
+ signal.
+
+config UART1_CTS_PIN
+ int "UART1 CTS pin"
+ 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 && (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
4. Change the kernel command console parameter to: console=ttyB0
config SERIAL_MUX_CONSOLE
- bool "Support for console on serial MUX"
- depends on SERIAL_MUX
+ bool "Support for console on serial MUX"
+ depends on SERIAL_MUX=y
select SERIAL_CORE_CONSOLE
- default y
+ default y
config PDC_CONSOLE
bool "PDC software console support"
depends on SERIAL_SH_SCI=y
select SERIAL_CORE_CONSOLE
+config SERIAL_PNX8XXX
+ bool "Enable PNX8XXX SoCs' UART Support"
+ depends on MIPS && SOC_PNX8550
+ select SERIAL_CORE
+ help
+ If you have a MIPS-based Philips SoC such as PNX8550 or PNX8330
+ and you want to use serial ports, say Y. Otherwise, say N.
+
+config SERIAL_PNX8XXX_CONSOLE
+ bool "Enable PNX8XX0 serial console"
+ depends on SERIAL_PNX8XXX
+ select SERIAL_CORE_CONSOLE
+ help
+ If you have a MIPS-based Philips SoC such as PNX8550 or PNX8330
+ and you want to use serial console, say Y. Otherwise, say N.
+
config SERIAL_CORE
tristate
PowerMac machines.
Say Y or M if you want to be able to these serial ports.
+config SERIAL_PMACZILOG_TTYS
+ bool "Use ttySn device nodes for Zilog z85c30"
+ depends on SERIAL_PMACZILOG
+ help
+ The pmac_zilog driver for the z85C30 chip on many powermacs
+ historically used the device numbers for /dev/ttySn. The
+ 8250 serial port driver also uses these numbers, which means
+ the two drivers being unable to coexist; you could not use
+ both z85C30 and 8250 type ports at the same time.
+
+ If this option is not selected, the pmac_zilog driver will
+ use the device numbers allocated for /dev/ttyPZn. This allows
+ the pmac_zilog and 8250 drivers to co-exist, but may cause
+ existing userspace setups to break. Programs that need to
+ access the built-in serial ports on powermacs will need to
+ be reconfigured to use /dev/ttyPZn instead of /dev/ttySn.
+
+ If you enable this option, any z85c30 ports in the system will
+ be registered as ttyS0 onwards as in the past, and you will be
+ unable to use the 8250 module for PCMCIA or other 16C550-style
+ UARTs.
+
+ Say N unless you need the z85c30 ports on your powermac
+ to appear as /dev/ttySn.
+
config SERIAL_PMACZILOG_CONSOLE
bool "Console on PowerMac z85c30 serial port"
depends on SERIAL_PMACZILOG=y
config SERIAL_VR41XX_CONSOLE
bool "Enable NEC VR4100 series Serial Interface Unit console"
- depends on SERIAL_VR41XX
+ depends on SERIAL_VR41XX=y
select SERIAL_CORE_CONSOLE
help
If you have a NEC VR4100 series processor and you want to use
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff