151 lines
3.5 KiB
Plaintext
151 lines
3.5 KiB
Plaintext
menuconfig UART_NS16550
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bool "NS16550 serial driver"
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default n
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select SERIAL_HAS_DRIVER
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help
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This option enables the NS16550 serial driver.
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This driver can be used for the serial hardware
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available on x86 boards.
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config UART_NS16550_PCI
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bool "Enable PCI Support"
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default n
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depends on PCI && UART_NS16550
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help
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This enables NS16550 to probe for PCI-based serial devices.
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This option enables the driver to auto-detect the device
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configuration required to access those ports.
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config UART_NS16550_DLF
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bool "Enable Divisor Latch Fraction (DLF) support"
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default n
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depends on UART_NS16550
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help
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This enables support for divisor latch fraction (DLF).
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It is used to limit frequency error.
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Says n if you are not sure if hardware supports this.
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config UART_NS16550_LINE_CTRL
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bool "Enable Serial Line Control for Apps"
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default n
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depends on UART_LINE_CTRL && UART_NS16550
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help
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This enables the API for apps to control the serial line,
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such as CTS and RTS.
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Says n if not sure.
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config UART_NS16550_DRV_CMD
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bool "Enable Driver Commands"
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default n
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depends on UART_DRV_CMD && UART_NS16550
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help
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This enables the API for apps to send commands to driver.
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Says n if not sure.
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# ---------- Port 0 ----------
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menuconfig UART_NS16550_PORT_0
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bool "Enable NS16550 Port 0"
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default n
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depends on UART_NS16550
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help
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This tells the driver to configure the UART port at boot, depending on
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the additional configure options below.
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config UART_NS16550_PORT_0_NAME
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string "Port 0 Device Name"
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default "UART_0"
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depends on UART_NS16550_PORT_0
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help
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This is the device name for UART, and is included in the device
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struct.
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config UART_NS16550_PORT_0_IRQ_PRI
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int "Port 0 Interrupt Priority"
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default 0
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depends on UART_NS16550_PORT_0
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help
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The interrupt priority for UART port.
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config UART_NS16550_PORT_0_BAUD_RATE
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int "Port 0 Baud Rate"
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default 0
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depends on UART_NS16550_PORT_0
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help
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The baud rate for UART port to be set to at boot.
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Leave at 0 to skip initialization.
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config UART_NS16550_PORT_0_OPTIONS
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int "Port 0 Options"
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default 0
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depends on UART_NS16550_PORT_0
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help
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Options used for port initialization.
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config UART_NS16550_PORT_0_DLF
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hex "Port 0 DLF value"
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default 0x0
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depends on UART_NS16550_PORT_0 && UART_NS16550_DLF
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help
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Value for DLF register.
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config UART_NS16550_PORT_0_PCI
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bool "Port 0 is PCI-based"
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default n
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depends on UART_NS16550_PCI && UART_NS16550_PORT_0
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help
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Obtain port information from PCI.
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# ---------- Port 1 ----------
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menuconfig UART_NS16550_PORT_1
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bool "Enable NS16550 Port 1"
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default n
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depends on UART_NS16550
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help
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This tells the driver to configure the UART port at boot, depending on
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the additional configure options below.
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config UART_NS16550_PORT_1_NAME
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string "Port 1 Device Name"
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default "UART_1"
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depends on UART_NS16550_PORT_1
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help
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This is the device name for UART, and is included in the device
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struct.
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config UART_NS16550_PORT_1_IRQ_PRI
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int "Port 1 Interrupt Priority"
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default 0
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depends on UART_NS16550_PORT_1
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help
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The interrupt priority for UART port.
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config UART_NS16550_PORT_1_BAUD_RATE
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int "Port 1 Baud Rate"
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default 0
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depends on UART_NS16550_PORT_1
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help
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The baud rate for UART port to be set to at boot.
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Leave at 0 to skip initialization.
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config UART_NS16550_PORT_1_OPTIONS
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int "Port 1 Options"
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default 0
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depends on UART_NS16550_PORT_1
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help
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Options used for port initialization.
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config UART_NS16550_PORT_1_DLF
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hex "Port 1 DLF value"
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default 0x0
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depends on UART_NS16550_PORT_1 && UART_NS16550_DLF
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help
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Value for DLF register.
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