| menuconfig UART_NS16550 |
| bool "NS16550 serial driver" |
| default n |
| select SERIAL_HAS_DRIVER |
| help |
| This option enables the NS16550 serial driver. |
| This driver can be used for the serial hardware |
| available on x86 platforms. |
| |
| config UART_NS16550_PCI |
| bool "Enable PCI Support" |
| default n |
| depends on PCI && UART_NS16550 |
| help |
| This enables NS16550 to probe for PCI-based serial devices. |
| |
| This option enables the driver to auto-detect the device |
| configuration required to access those ports. |
| |
| choice |
| prompt "Controller Registers Access Method" |
| depends on UART_NS16550 |
| default UART_NS16550_ACCESS_IOPORT if SOC_IA32 |
| default UART_NS16550_ACCESS_MMIO |
| |
| config UART_NS16550_ACCESS_MMIO |
| bool "Memory mapped I/O" |
| help |
| The UART controller is mapped to memory space, and can be directly |
| access through memory manipulation. |
| |
| config UART_NS16550_ACCESS_IOPORT |
| bool "I/O Port" |
| depends on !UART_NS16550_PCI |
| help |
| The UART controller is accessed through I/O port. |
| |
| endchoice |
| |
| config UART_NS16550_DLF |
| bool "Enable Divisor Latch Fraction (DLF) support" |
| default n |
| depends on UART_NS16550 && UART_NS16550_ACCESS_MMIO |
| help |
| This enables support for divisor latch fraction (DLF). |
| It is used to limit frequency error. |
| |
| Says n if you are not sure if hardware supports this. |
| |
| config UART_NS16550_LINE_CTRL |
| bool "Enable Serial Line Control for Apps" |
| default n |
| depends on UART_LINE_CTRL && UART_NS16550 |
| help |
| This enables the API for apps to control the serial line, |
| such as CTS and RTS. |
| |
| Says n if not sure. |
| |
| config UART_NS16550_DRV_CMD |
| bool "Enable Driver Commands" |
| default n |
| depends on UART_DRV_CMD && UART_NS16550 |
| help |
| This enables the API for apps to send commands to driver. |
| |
| Says n if not sure. |
| |
| # ---------- Port 0 ---------- |
| |
| menuconfig UART_NS16550_PORT_0 |
| bool "Enable NS16550 Port 0" |
| default n |
| depends on UART_NS16550 |
| help |
| This tells the driver to configure the UART port at boot, depending on |
| the additional configure options below. |
| |
| config UART_NS16550_PORT_0_NAME |
| string "Port 0 Device Name" |
| default "UART_0" |
| depends on UART_NS16550_PORT_0 |
| help |
| This is the device name for UART, and is included in the device |
| struct. |
| |
| config UART_NS16550_PORT_0_BASE_ADDR |
| hex "Port 0 Base Address or I/O Port" |
| default 0x00000000 |
| depends on UART_NS16550_PORT_0 |
| help |
| The base address of UART port. |
| |
| Leave this at 0x00000000 to skip initialization at boot. |
| |
| For PCI device, this value is from PCI configuration space, so just |
| leave it at 0x00000000. |
| |
| config UART_NS16550_PORT_0_IRQ |
| int "Port 0 Interrupt Vector" |
| default 0 |
| depends on UART_NS16550_PORT_0 |
| help |
| The interrupt vector for UART port. This is used for interrupt driven |
| transfers. |
| |
| For PCI device, this value is from PCI configuration space, so just |
| leave it at 0x00. |
| |
| config UART_NS16550_PORT_0_IRQ_PRI |
| int "Port 0 Interrupt Priority" |
| default 0 |
| depends on UART_NS16550_PORT_0 |
| help |
| The interrupt priority for UART port. |
| |
| config UART_NS16550_PORT_0_BAUD_RATE |
| int "Port 0 Baud Rate" |
| default 0 |
| depends on UART_NS16550_PORT_0 |
| help |
| The baud rate for UART port to be set to at boot. |
| |
| Leave at 0 to skip initialization. |
| |
| config UART_NS16550_PORT_0_CLK_FREQ |
| int "Port 0 Clock Frequency" |
| default 0 |
| depends on UART_NS16550_PORT_0 |
| help |
| The clock frequency for UART port. |
| |
| config UART_NS16550_PORT_0_OPTIONS |
| int "Port 0 Options" |
| default 0 |
| depends on UART_NS16550_PORT_0 |
| help |
| Options used for port initialization. |
| |
| config UART_NS16550_PORT_0_DLF |
| hex "Port 0 DLF value" |
| default 0x0 |
| depends on UART_NS16550_PORT_0 && UART_NS16550_DLF |
| help |
| Value for DLF register. |
| |
| config UART_NS16550_PORT_0_PCI |
| bool "Port 0 is PCI-based" |
| default n |
| depends on UART_NS16550_PCI && UART_NS16550_PORT_0 |
| help |
| Obtain port information from PCI. |
| |
| config UART_NS16550_PORT_0_PCI_CLASS |
| hex "Port 0 PCI Class" |
| default 0x07 |
| depends on UART_NS16550_PORT_0_PCI |
| help |
| Needed for PCI based UART port. |
| |
| Value 0x07 is for simple communication controllers. |
| |
| config UART_NS16550_PORT_0_PCI_BUS |
| int "Port 0 PCI Bus Number" |
| default 0 |
| depends on UART_NS16550_PORT_0_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_0_PCI_DEV |
| int "Port 0 PCI Device Number" |
| default 0 |
| depends on UART_NS16550_PORT_0_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_0_PCI_VENDOR_ID |
| hex "Port 0 PCI Vendor ID" |
| default 0x0000 |
| depends on UART_NS16550_PORT_0_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_0_PCI_DEVICE_ID |
| hex "Port 0 PCI Device ID" |
| default 0x0000 |
| depends on UART_NS16550_PORT_0_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_0_PCI_FUNC |
| int "Port 0 PCI Function" |
| default 0 |
| depends on UART_NS16550_PORT_0_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_0_PCI_BAR |
| int "Port 0 PCI BAR" |
| default 0 |
| depends on UART_NS16550_PORT_0_PCI |
| help |
| Needed for PCI based UART port. |
| |
| # ---------- Port 1 ---------- |
| |
| menuconfig UART_NS16550_PORT_1 |
| bool "Enable NS16550 Port 1" |
| default n |
| depends on UART_NS16550 |
| help |
| This tells the driver to configure the UART port at boot, depending on |
| the additional configure options below. |
| |
| config UART_NS16550_PORT_1_NAME |
| string "Port 1 Device Name" |
| default "UART_1" |
| depends on UART_NS16550_PORT_1 |
| help |
| This is the device name for UART, and is included in the device |
| struct. |
| |
| config UART_NS16550_PORT_1_BASE_ADDR |
| hex "Port 1 Base Address or I/O Port" |
| default 0x00000000 |
| depends on UART_NS16550_PORT_1 |
| help |
| The base address of UART port. |
| |
| Leave this at 0x00000000 to skip initialization at boot. |
| |
| For PCI device, this value is from PCI configuration space, so just |
| leave it at 0x00000000. |
| |
| config UART_NS16550_PORT_1_IRQ |
| int "Port 1 Interrupt Vector" |
| default 0 |
| depends on UART_NS16550_PORT_1 |
| help |
| The interrupt vector for UART port. This is used for interrupt driven |
| transfers. |
| |
| For PCI device, this value is from PCI configuration space, so just |
| leave it at 0x00. |
| |
| config UART_NS16550_PORT_1_IRQ_PRI |
| int "Port 1 Interrupt Priority" |
| default 0 |
| depends on UART_NS16550_PORT_1 |
| help |
| The interrupt priority for UART port. |
| |
| config UART_NS16550_PORT_1_BAUD_RATE |
| int "Port 1 Baud Rate" |
| default 0 |
| depends on UART_NS16550_PORT_1 |
| help |
| The baud rate for UART port to be set to at boot. |
| |
| Leave at 0 to skip initialization. |
| |
| config UART_NS16550_PORT_1_CLK_FREQ |
| int "Port 1 Clock Frequency" |
| default 0 |
| depends on UART_NS16550_PORT_1 |
| help |
| The clock frequency for UART port. |
| |
| config UART_NS16550_PORT_1_OPTIONS |
| int "Port 1 Options" |
| default 0 |
| depends on UART_NS16550_PORT_1 |
| help |
| Options used for port initialization. |
| |
| config UART_NS16550_PORT_1_DLF |
| hex "Port 1 DLF value" |
| default 0x0 |
| depends on UART_NS16550_PORT_1 && UART_NS16550_DLF |
| help |
| Value for DLF register. |
| |
| config UART_NS16550_PORT_1_PCI |
| bool "Port 1 is PCI-based" |
| default n |
| depends on UART_NS16550_PCI && UART_NS16550_PORT_1 |
| help |
| Obtain port information from PCI. |
| |
| config UART_NS16550_PORT_1_PCI_CLASS |
| hex "Port 1 PCI Class" |
| default 0x07 |
| depends on UART_NS16550_PORT_1_PCI |
| help |
| Needed for PCI based UART port. |
| |
| Value 0x07 is for simple communication controllers. |
| |
| config UART_NS16550_PORT_1_PCI_BUS |
| int "Port 1 PCI Bus Number" |
| default 0 |
| depends on UART_NS16550_PORT_1_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_1_PCI_DEV |
| int "Port 1 PCI Device Number" |
| default 0 |
| depends on UART_NS16550_PORT_1_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_1_PCI_VENDOR_ID |
| hex "Port 1 PCI Vendor ID" |
| default 0x0000 |
| depends on UART_NS16550_PORT_1_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_1_PCI_DEVICE_ID |
| hex "Port 1 PCI Device ID" |
| default 0x0000 |
| depends on UART_NS16550_PORT_1_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_1_PCI_FUNC |
| int "Port 1 PCI Function" |
| default 0 |
| depends on UART_NS16550_PORT_1_PCI |
| help |
| Needed for PCI based UART port. |
| |
| config UART_NS16550_PORT_1_PCI_BAR |
| int "Port 1 PCI BAR" |
| default 0 |
| depends on UART_NS16550_PORT_1_PCI |
| help |
| Needed for PCI based UART port. |
