Merge tag 'u-boot-amlogic-20181207' of git://git.denx.de/u-boot-amlogic

[platform/kernel/u-boot.git] / drivers / serial / Kconfig

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 1c2c5d6..6252dd8 100644 (file)
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -24,6 +24,15 @@ config REQUIRE_SERIAL_CONSOLE
          during serial port initialization (default y). Set this to n on
          boards which have no debug serial port whatsoever.
 
          during serial port initialization (default y). Set this to n on
          boards which have no debug serial port whatsoever.
 

+config SPECIFY_CONSOLE_INDEX
+       bool "Specify the port number used for console"
+       default y if !DM_SERIAL || (SPL && !SPL_DM_SERIAL) || \
+               (TPL && !TPL_DM_SERIAL)
+       help
+         In various cases, we need to specify which of the UART devices that
+         a board or SoC has available are to be used for the console device
+         in U-Boot.
+

 config SERIAL_PRESENT
        bool "Provide a serial driver"
        depends on DM_SERIAL
 config SERIAL_PRESENT
        bool "Provide a serial driver"
        depends on DM_SERIAL


@@ -44,16 +53,49 @@ config SPL_SERIAL_PRESENT
          This option enables the full UART in SPL, so if is it disabled,
          the full UART driver will be omitted, thus saving space.
 
          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
+       bool
+
+config CONS_INDEX_2
+       bool
+
+config CONS_INDEX_3
+       bool
+
+config CONS_INDEX_4
+       bool
+
+config CONS_INDEX_5
+       bool
+
+config CONS_INDEX_6
+       bool
+

 config CONS_INDEX
        int "UART used for console"
 config CONS_INDEX
        int "UART used for console"

-       depends on ARCH_SUNXI
-       default 2 if MACH_SUN5I
-       default 5 if MACH_SUN8I_A23 || MACH_SUN8I_A33
+       depends on SPECIFY_CONSOLE_INDEX
+       range 0 6
+       default 0 if CONS_INDEX_0
+       default 2 if CONS_INDEX_2
+       default 3 if CONS_INDEX_3
+       default 4 if CONS_INDEX_4
+       default 5 if CONS_INDEX_5
+       default 6 if CONS_INDEX_6

        default 1
        help
        default 1
        help

-         Configures the console index.
-         For Allwinner SoC., default values are 2 for SUN5I and 5 for A23/A33.
-         Otherwise, the index equals 1.
+         Set this to match the UART number of the serial console.

 
 config DM_SERIAL
        bool "Enable Driver Model for serial drivers"
 
 config DM_SERIAL
        bool "Enable Driver Model for serial drivers"


@@ -64,10 +106,37 @@ config DM_SERIAL
          implements serial_putc() etc. The uclass interface is
          defined in include/serial.h.
 
          implements serial_putc() etc. The uclass interface is
          defined in include/serial.h.
 

+config SERIAL_RX_BUFFER
+       bool "Enable RX buffer for serial input"
+       depends on DM_SERIAL
+       help
+         Enable RX buffer support for the serial driver. This enables
+         pasting longer strings, even when the RX FIFO of the UART is
+         not big enough (e.g. 16 bytes on the normal NS16550).
+
+config SERIAL_RX_BUFFER_SIZE
+       int "RX buffer size"
+       depends on SERIAL_RX_BUFFER
+       default 256
+       help
+         The size of the RX buffer (needs to be power of 2)
+
+config SERIAL_SEARCH_ALL
+       bool "Search for serial devices after default one failed"
+       depends on DM_SERIAL
+       help
+         The serial subsystem only searches for a single serial device
+         that was instantiated, but does not check whether it was probed
+         correctly. With this option set, we make successful probing
+         mandatory and search for fallback serial devices if the default
+         device does not work.
+
+         If unsure, say N.
+

 config SPL_DM_SERIAL
        bool "Enable Driver Model for serial drivers in SPL"
 config SPL_DM_SERIAL
        bool "Enable Driver Model for serial drivers in SPL"

-       depends on DM_SERIAL
-       default y if SPL && DM_SERIAL
+       depends on DM_SERIAL && SPL_DM
+       default y

        help
          Enable driver model for serial in SPL. This replaces
          drivers/serial/serial.c with the serial uclass, which
        help
          Enable driver model for serial in SPL. This replaces
          drivers/serial/serial.c with the serial uclass, which


@@ -138,6 +207,15 @@ config DEBUG_UART_AR933X
          driver will be available until the real driver model serial is
          running.
 
          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
 config DEBUG_UART_ATMEL
        bool "Atmel USART"
        help


@@ -256,6 +334,24 @@ config DEBUG_UART_MXC
          will need to provide parameters to make this work. The driver will
          be available until the real driver model serial is running.
 
          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_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
 config DEBUG_UART_UNIPHIER
        bool "UniPhier on-chip UART"
        depends on ARCH_UNIPHIER


@@ -272,11 +368,22 @@ config DEBUG_UART_OMAP
          You will need to provide parameters to make this work. The driver
          will be available until the real driver model serial is running.
 
          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
 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.
 
        help
          This is the base address of your UART for memory-mapped UARTs.
 


@@ -286,6 +393,7 @@ config DEBUG_UART_BASE
 config DEBUG_UART_CLOCK
        int "UART input clock"
        depends on DEBUG_UART
 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
        help
          The UART input clock determines the speed of the internal UART
          circuitry. The baud rate is derived from this by dividing the input


@@ -366,6 +474,13 @@ config AR933X_UART
          tree binding to operate, please refer to the document at
          doc/device-tree-bindings/serial/qca,ar9330-uart.txt.
 
          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
 config ATMEL_USART
        bool "Atmel USART support"
        help


@@ -373,12 +488,35 @@ config ATMEL_USART
          configured in the device tree, and input clock frequency can
          be got from the clk node.
 
          configured in the device tree, and input clock frequency can
          be got from the clk node.
 

+config BCM283X_MU_SERIAL
+       bool "Support for BCM283x Mini-UART"
+       depends on DM_SERIAL && ARCH_BCM283X
+       default y
+       help
+         Select this to enable Mini-UART support on BCM283X family of SoCs.
+
+config BCM283X_PL011_SERIAL
+       bool "Support for BCM283x PL011 UART"
+       depends on PL01X_SERIAL && ARCH_BCM283X
+       default y
+       help
+         Select this to enable an overriding PL011 driver for BCM283X SoCs
+         that supports automatic disable, so that it only gets used when
+         the UART is actually muxed.
+

 config BCM6345_SERIAL
        bool "Support for BCM6345 UART"
 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.
 
        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
 config FSL_LPUART
        bool "Freescale LPUART support"
        help


@@ -399,6 +537,13 @@ config MXC_UART
          If you have a machine based on a Motorola IMX CPU you
          can enable its onboard serial port by enabling this option.
 
          If you have a machine based on a Motorola IMX CPU you
          can enable its onboard serial port by enabling this option.
 

+config NULLDEV_SERIAL
+       bool "Null serial device"
+       help
+         Select this to enable null serial device support. A null serial
+         device merely acts as a placeholder for a serial device and does
+         nothing for all it's operation.
+

 config PIC32_SERIAL
        bool "Support for Microchip PIC32 on-chip UART"
        depends on DM_SERIAL && MACH_PIC32
 config PIC32_SERIAL
        bool "Support for Microchip PIC32 on-chip UART"
        depends on DM_SERIAL && MACH_PIC32


@@ -425,6 +570,24 @@ config INTEL_MID_SERIAL
          Select this to enable a UART for Intel MID platforms.
          This uses the ns16550 driver as a library.
 
          Select this to enable a UART for Intel MID platforms.
          This uses the ns16550 driver as a library.
 

+config PL010_SERIAL
+       bool "ARM PL010 driver"
+       depends on !DM_SERIAL
+       help
+         Select this to enable a UART for platforms using PL010.
+
+config PL011_SERIAL
+       bool "ARM PL011 driver"
+       depends on !DM_SERIAL
+       help
+         Select this to enable a UART for platforms using PL011.
+
+config PL01X_SERIAL
+       bool "ARM PL010 and PL011 driver"
+       depends on DM_SERIAL
+       help
+         Select this to enable a UART for platforms using PL010 or PL011.
+

 config ROCKCHIP_SERIAL
        bool "Rockchip on-chip UART support"
        depends on DM_SERIAL && SPL_OF_PLATDATA
 config ROCKCHIP_SERIAL
        bool "Rockchip on-chip UART support"
        depends on DM_SERIAL && SPL_OF_PLATDATA


@@ -493,6 +656,23 @@ config MSM_SERIAL
          for example APQ8016 and MSM8916.
          Single baudrate is supported in current implementation (115200).
 
          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
 config PXA_SERIAL
        bool "PXA serial port support"
        help


@@ -507,16 +687,34 @@ config STI_ASC_SERIAL
          on STiH410 SoC. This is a basic implementation,  it supports
          following baudrate 9600, 19200, 38400, 57600 and 115200.
 
          on STiH410 SoC. This is a basic implementation,  it supports
          following baudrate 9600, 19200, 38400, 57600 and 115200.
 

-config STM32X7_SERIAL
+config STM32_SERIAL

        bool "STMicroelectronics STM32 SoCs on-chip UART"
        bool "STMicroelectronics STM32 SoCs on-chip UART"

-       depends on DM_SERIAL && STM32F7
+       depends on DM_SERIAL && (STM32F4 || STM32F7 || STM32H7 || ARCH_STM32MP)
+       help
+         If you have a machine based on a STM32 F4, F7, H7 or MP1 SOC
+         you can enable its onboard serial ports, say Y to this option.
+         If unsure, say N.
+
+config ZYNQ_SERIAL
+       bool "Cadence (Xilinx Zynq) UART support"
+       depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_ZYNQMP_R5)

        help
        help

-         If you have a machine based on a STM32 F7 you can enable its
-         onboard serial ports, say Y to this option. If unsure, say N.
+         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"
 
 config MPC8XX_CONS
        bool "Console driver for MPC8XX"

-       depends on 8xx
+       depends on MPC8xx

        default y
 
 choice
        default y
 
 choice