This option enables the full UART in SPL, so if is it disabled,
the full UART driver will be omitted, thus saving space.
+config TPL_SERIAL_PRESENT
+ bool "Provide a serial driver in TPL"
+ 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 TPL, so if is it disabled,
+ the full UART driver will be omitted, thus saving space.
+
# Logic to allow us to use the imply keyword to set what the default port
# should be. The default is otherwise 1.
config CONS_INDEX_0
driver will be available until the real driver model serial is
running.
+config DEBUG_ARC_SERIAL
+ bool "ARC UART"
+ depends on ARC_SERIAL
+ help
+ Select this to enable a debug UART using the ARC 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_ATMEL
bool "Atmel USART"
help
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_SANDBOX
+ bool "sandbox"
+ depends on SANDBOX_SERIAL
+ help
+ Select this to enable the debug UART using the sandbox driver. This
+ provides basic serial output from the console without needing to
+ start up driver model. The driver will be available until the real
+ driver model serial is running.
+
+config DEBUG_UART_SIFIVE
+ bool "SiFive UART"
+ help
+ Select this to enable a debug UART using the serial_sifive 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_STM32
+ bool "STMicroelectronics STM32"
+ depends on STM32_SERIAL
+ help
+ Select this to enable a debug UART using the serial_stm32 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_UNIPHIER
bool "UniPhier on-chip UART"
depends on ARCH_UNIPHIER
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_MTK
+ bool "MediaTek High-speed UART"
+ depends on MTK_SERIAL
+ help
+ Select this to enable a debug UART using the MediaTek High-speed
+ 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.
+
endchoice
config DEBUG_UART_BASE
hex "Base address of UART"
depends on DEBUG_UART
+ default 0 if DEBUG_UART_SANDBOX
help
This is the base address of your UART for memory-mapped UARTs.
config DEBUG_UART_CLOCK
int "UART input clock"
depends on DEBUG_UART
+ default 0 if DEBUG_UART_SANDBOX
help
The UART input clock determines the speed of the internal UART
circuitry. The baud rate is derived from this by dividing the input
config DEBUG_UART_SKIP_INIT
bool "Skip UART initialization"
+ depends on DEBUG_UART
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 DEBUG_UART_NS16550_CHECK_ENABLED
+ bool "Check if UART is enabled on output"
+ depends on DEBUG_UART
+ depends on DEBUG_UART_NS16550
+ help
+ Select this if puts()/putc() might be called before the debug UART
+ has been initialized. If this is disabled, putc() might sit in a
+ tight loop if it is called before debug_uart_init() has been called.
+
+ Note that this does not work for every ns16550-compatible UART and
+ so has to be enabled carefully or you might notice lost characters.
+
config ALTERA_JTAG_UART
bool "Altera JTAG UART support"
depends on DM_SERIAL
tree binding to operate, please refer to the document at
doc/device-tree-bindings/serial/qca,ar9330-uart.txt.
+config ARC_SERIAL
+ bool "ARC UART support"
+ depends on DM_SERIAL
+ help
+ Select this to enable support for ARC UART now typically
+ only used in Synopsys DesignWare ARC simulators like nSIM.
+
config ATMEL_USART
bool "Atmel USART support"
help
configured in the device tree, and input clock frequency can
be got from the clk node.
+config SPL_UART_CLOCK
+ int "SPL fixed UART input clock"
+ depends on ATMEL_USART && SPL && !SPL_CLK
+ default 132096000 if ARCH_AT91
+ help
+ Provide a fixed clock value as input to the UART controller. This
+ might be needed on platforms which can't enable CONFIG_SPL_CLK
+ because of SPL image size restrictions.
+
config BCM283X_MU_SERIAL
bool "Support for BCM283x Mini-UART"
depends on DM_SERIAL && ARCH_BCM283X
config BCM6345_SERIAL
bool "Support for BCM6345 UART"
- depends on DM_SERIAL && ARCH_BMIPS
+ depends on DM_SERIAL
help
Select this to enable UART on BCM6345 SoCs.
+config FSL_LINFLEXUART
+ bool "Freescale Linflex UART support"
+ depends on DM_SERIAL
+ help
+ Select this to enable the Linflex serial module found on some
+ NXP SoCs like S32V234.
+
config FSL_LPUART
bool "Freescale LPUART support"
help
Choose this option to add support for UART driver on the Marvell
Armada 3700 SoC. The base address is configured via DT.
+config MCFUART
+ bool "Freescale ColdFire UART support"
+ help
+ Choose this option to add support for UART driver on the ColdFire
+ SoC's family. The serial communication channel provides a full-duplex
+ asynchronous/synchronous receiver and transmitter deriving an
+ operating frequency from the internal bus clock or an external clock.
+
config MXC_UART
bool "IMX serial port support"
depends on MX5 || MX6
for example APQ8016 and MSM8916.
Single baudrate is supported in current implementation (115200).
+config OMAP_SERIAL
+ bool "Support for OMAP specific UART"
+ depends on DM_SERIAL
+ default y if (ARCH_OMAP2PLUS || ARCH_K3)
+ select SYS_NS16550
+ help
+ If you have an TI based SoC and want to use the on-chip serial
+ port, say Y to this option. If unsure say N.
+
+config OWL_SERIAL
+ bool "Actions Semi OWL UART"
+ depends on DM_SERIAL && ARCH_OWL
+ help
+ If you have a Actions Semi OWL based board and want to use the on-chip
+ serial port, say Y to this option. If unsure, say N.
+ Single baudrate is supported in current implementation (115200).
+
config PXA_SERIAL
bool "PXA serial port support"
help
If you have a machine based on a Marvell XScale PXA2xx CPU you
can enable its onboard serial ports by enabling this option.
+config SIFIVE_SERIAL
+ bool "SiFive UART support"
+ depends on DM_SERIAL
+ help
+ This driver supports the SiFive UART. If unsure say N.
+
config STI_ASC_SERIAL
bool "STMicroelectronics on-chip UART"
depends on DM_SERIAL && ARCH_STI
config ZYNQ_SERIAL
bool "Cadence (Xilinx Zynq) UART support"
- depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP)
+ depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_ZYNQMP_R5)
help
This driver supports the Cadence UART. It is found e.g. in Xilinx
Zynq/ZynqMP.
+config MTK_SERIAL
+ bool "MediaTek High-speed UART support"
+ depends on DM_SERIAL
+ help
+ Select this to enable UART support for MediaTek High-speed UART
+ devices. This driver uses driver model and requires a device
+ tree binding to operate.
+ The High-speed UART is compatible with the ns16550a UART and have
+ its own high-speed registers.
+
config MPC8XX_CONS
bool "Console driver for MPC8XX"
depends on MPC8xx
projects / platform / kernel / u-boot.git / blobdiff