during serial port initialization (default y). Set this to n on
boards which have no debug serial port whatsoever.
+config SERIAL_PRESENT
+ bool "Provide a serial driver"
+ depends on DM_SERIAL
+ default y
+ help
+ In very space-constrained devices even the full UART driver is too
+ large. In this case the debug UART can still be used in some cases.
+ This option enables the full UART in U-Boot, so if is it disabled,
+ the full UART driver will be omitted, thus saving space.
+
+config SPL_SERIAL_PRESENT
+ bool "Provide a serial driver in SPL"
+ depends on DM_SERIAL
+ default y
+ help
+ In very space-constrained devices even the full UART driver is too
+ large. In this case the debug UART can still be used in some cases.
+ This option enables the full UART in SPL, so if is it disabled,
+ the full UART driver will be omitted, thus saving space.
+
config DM_SERIAL
bool "Enable Driver Model for serial drivers"
depends on DM
choice
prompt "Select which UART will provide the debug UART"
depends on DEBUG_UART
+ default DEBUG_UART_NS16550
+
+config DEBUG_UART_ALTERA_JTAGUART
+ bool "Altera JTAG UART"
+ help
+ Select this to enable a debug UART using the altera_jtag_uart driver.
+ You will need to provide parameters to make this work. The driver will
+ be available until the real driver model serial is running.
+
+config DEBUG_UART_ALTERA_UART
+ bool "Altera UART"
+ help
+ Select this to enable a debug UART using the altera_uart driver.
+ You will need to provide parameters to make this work. The driver will
+ be available until the real driver model serial is running.
config DEBUG_UART_NS16550
bool "ns16550"
will need to provide parameters to make this work. The driver will
be available until the real driver-model serial is running.
+config DEBUG_UART_UARTLITE
+ bool "Xilinx Uartlite"
+ help
+ Select this to enable a debug UART using the serial_uartlite driver.
+ You will need to provide parameters to make this work. The driver will
+ be available until the real driver-model serial is running.
+
+config DEBUG_UART_ZYNQ
+ bool "Xilinx Zynq"
+ help
+ Select this to enable a debug UART using the serial_zynq driver. You
+ will need to provide parameters to make this work. The driver will
+ be available until the real driver-model serial is running.
+
+config DEBUG_UART_APBUART
+ depends on LEON3
+ bool "Gaisler APBUART"
+ help
+ Select this to enable a debug UART using the serial_leon3 driver. You
+ will need to provide parameters to make this work. The driver will
+ be available until the real driver model serial is running.
+
+config DEBUG_UART_PL010
+ bool "pl010"
+ help
+ Select this to enable a debug UART using the pl01x driver with the
+ PL010 UART type. You will need to provide parameters to make this
+ work. The driver will be available until the real driver model
+ serial is running.
+
+config DEBUG_UART_PL011
+ bool "pl011"
+ help
+ Select this to enable a debug UART using the pl01x driver with the
+ PL011 UART type. You will need to provide parameters to make this
+ work. The driver will be available until the real driver model
+ serial is running.
+
endchoice
config DEBUG_UART_BASE
value. Use this value to specify the shift to use, where 0=byte
registers, 2=32-bit word registers, etc.
+config DEBUG_UART_BOARD_INIT
+ bool "Enable board-specific debug UART init"
+ depends on DEBUG_UART
+ help
+ Some boards need to set things up before the debug UART can be used.
+ On these boards a call to debug_uart_init() is insufficient. When
+ this option is enabled, the function board_debug_uart_init() will
+ be called when debug_uart_init() is called. You can put any code
+ here that is needed to set up the UART ready for use, such as set
+ pin multiplexing or enable clocks.
+
+config DEBUG_UART_ANNOUNCE
+ bool "Show a message when the debug UART starts up"
+ depends on DEBUG_UART
+ help
+ Enable this option to show a message when the debug UART is ready
+ for use. You will see a message like "<debug_uart> " as soon as
+ U-Boot has the UART ready for use (i.e. your code calls
+ debug_uart_init()). This can be useful just as a check that
+ everything is working.
+
+config DEBUG_UART_SKIP_INIT
+ bool "Skip UART initialization"
+ help
+ Select this if the UART you want to use for debug output is already
+ initialized by the time U-Boot starts its execution.
+
+config ALTERA_JTAG_UART
+ bool "Altera JTAG UART support"
+ depends on DM_SERIAL
+ help
+ Select this to enable an JTAG UART for Altera devices.The JTAG UART
+ core implements a method to communicate serial character streams
+ between a host PC and a Qsys system on an Altera FPGA. Please find
+ details on the "Embedded Peripherals IP User Guide" of Altera.
+
+config ALTERA_JTAG_UART_BYPASS
+ bool "Bypass output when no connection"
+ depends on ALTERA_JTAG_UART
+ help
+ Bypass console output and keep going even if there is no JTAG
+ terminal connection with the host. The console output will resume
+ once the JTAG terminal is connected. Without the bypass, the console
+ output will wait forever until a JTAG terminal is connected. If you
+ not are sure, say Y.
+
+config ALTERA_UART
+ bool "Altera UART support"
+ depends on DM_SERIAL
+ help
+ Select this to enable an UART for Altera devices. Please find
+ details on the "Embedded Peripherals IP User Guide" of Altera.
+
+config FSL_LPUART
+ bool "Freescale LPUART support"
+ help
+ Select this to enable a Low Power UART for Freescale VF610 and
+ QorIQ Layerscape devices.
+
+config SYS_NS16550
+ bool "NS16550 UART or compatible"
+ help
+ Support NS16550 UART or compatible. This can be enabled in the
+ device tree with the correct input clock frequency. If the input
+ clock frequency is not defined in the device tree, the macro
+ CONFIG_SYS_NS16550_CLK defined in a legacy board header file will
+ be used. It can be a constant or a function to get clock, eg,
+ get_serial_clock().
+
config SANDBOX_SERIAL
bool "Sandbox UART support"
- depends on SANDBOX && DM
+ depends on SANDBOX
help
Select this to enable a seral UART for sandbox. This is required to
operate correctly, otherwise you will see no serial output from
config UNIPHIER_SERIAL
bool "Support for UniPhier on-chip UART"
- depends on ARCH_UNIPHIER && DM_SERIAL
+ depends on ARCH_UNIPHIER
help
If you have a UniPhier based board and want to use the on-chip
serial ports, say Y to this option. If unsure, say N.
-config X86_SERIAL
- bool "Support for 16550 serial port on x86 machines"
- depends on X86
- default y
+config XILINX_UARTLITE
+ bool "Xilinx Uarlite support"
+ depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP)
help
- Most x86 machines have a ns16550 UART or compatible. This can be
- enabled in the device tree with the correct input clock frequency
- provided (default 1843200). Enable this to obtain serial console
- output.
+ If you have a Xilinx based board and want to use the uartlite
+ serial ports, say Y to this option. If unsure, say N.
endmenu
projects / people / ms / u-boot.git / blobdiff