serial: lpuart: Fix several cosmetic issues

[oweals/u-boot.git] / drivers / serial / Kconfig

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index d462244a04555de761b122a4f59c0a2a2e1021e3..83068cfd50f4c53aac9f1a906602be22624d4b5f 100644 (file)
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -15,6 +15,26 @@ config REQUIRE_SERIAL_CONSOLE
          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
@@ -53,6 +73,7 @@ config DEBUG_UART
 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"
@@ -94,10 +115,34 @@ config DEBUG_UART_S5P
 config DEBUG_UART_ZYNQ
        bool "Xilinx Zynq"
        help
-         Select this to enable a debug UART using the serial_s5p driver. You
+         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
@@ -151,6 +196,12 @@ config DEBUG_UART_ANNOUNCE
          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
@@ -177,14 +228,21 @@ config ALTERA_UART
          Select this to enable an UART for Altera devices. Please find
          details on the "Embedded Peripherals IP User Guide" of Altera.
 
-config ROCKCHIP_SERIAL
-       bool "Rockchip on-chip UART support"
-       depends on ARCH_ROCKCHIP && DM_SERIAL
+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
-         Select this to enable a debug UART for Rockchip devices. This uses
-         the ns16550 driver. You will need to #define CONFIG_SYS_NS16550 in
-         your board config header. The clock input is automatically set to
-         use the oscillator (24MHz).
+         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"
@@ -213,14 +271,4 @@ config UNIPHIER_SERIAL
          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
-       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.
-
 endmenu