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drivers: add UART 16550 compatible PCI device support
add support for UART 16550 compatible PCI device. For now we support qemu serial PCI devices and AX99100 based cards. Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>
This commit is contained in:
p-szafonimateusz
committed by
Xiang Xiao
Xiang Xiao
parent
ceb2921d79
commit
8ab0785d71
@@ -63,4 +63,10 @@ if(CONFIG_UART_BTH4)
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list(APPEND SRCS uart_bth4.c)
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endif()
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# UART PCI drivers
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if(CONFIG_16550_PCI_UART)
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list(APPEND SRCS uart_pci_16550.c)
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endif()
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target_sources(drivers PRIVATE ${SRCS})
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@@ -79,6 +79,10 @@ if 16550_UART
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source "drivers/serial/Kconfig-16550"
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endif
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if PCI
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source "drivers/serial/Kconfig-pci"
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endif
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#
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# MCU serial peripheral driver?
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#
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@@ -0,0 +1,327 @@
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#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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config 16550_PCI_UART
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bool "16550 UART PCI support"
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default n
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select 16550_UART
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if 16550_PCI_UART
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config 16550_PCI_UART0
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bool "16550 UART0 PCI"
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default n
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---help---
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Support for PCI UART0, will be registered as /dev/ttyS0
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config 16550_PCI_UART1
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bool "16550 UART1 PCI"
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default n
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---help---
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Support for PCI UART1, will be registered as /dev/ttyS1
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config 16550_PCI_UART2
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bool "16550 UART2 PCI"
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default n
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---help---
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Support for PCI UART2, will be registered as /dev/ttyS2
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config 16550_PCI_UART3
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bool "16550 UART3 PCI"
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default n
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---help---
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Support for PCI UART3, will be registered as /dev/ttyS3
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config 16550_PCI_UART_QEMU
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bool "16550 PCI QEMU devices"
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default n
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---help---
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Enable support for QEMU serial devices (pci-serial, pci-serial-2x
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pci-serial-4x)
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config 16550_PCI_UART_AX99100
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bool "16550 PCI AX99100 device"
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default n
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---help---
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Enable support for AX99100 serial port device.
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endif # 16550_PCI_UART
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if 16550_PCI_UART0
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config 16550_PCI_UART0_VENDOR
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hex "16550 UART0 PCI vendor"
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---help---
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PCI vendor number that will be associated with UART0
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config 16550_PCI_UART0_DEVICE
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hex "16550 UART0 PCI device"
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---help---
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PCI device number that will be associated with UART0
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config 16550_PCI_UART0_PORT
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int "16550 UART0 PCI port"
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default 0
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---help---
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Port in multi-port device. Starts from 0.
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Must be set to 0 for single port devices .
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config 16550_PCI_UART0_CLOCK
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int "16550 UART0 PCI clock"
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config 16550_PCI_UART0_BAUD
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int "16550 UART0 PCI BAUD"
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default 115200
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config 16550_PCI_UART0_PARITY
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int "16550 UART0 PCI parity"
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default 0
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range 0 2
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---help---
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16550 UART0 PCI parity. 0=None, 1=Odd, 2=Even. Default: None
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config 16550_PCI_UART0_BITS
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int "16550 UART0 PCI number of bits"
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default 8
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---help---
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16550 UART0 PCI number of bits. Default: 8
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config 16550_PCI_UART0_2STOP
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int "16550 UART0 PCI two stop bits"
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default 0
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---help---
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0=1 stop bit, 1=Two stop bits. Default: 1 stop bit
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config 16550_PCI_UART0_RXBUFSIZE
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int "16550 UART0 PCI Rx buffer size"
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default 256
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---help---
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16550 UART0 PCI Rx buffer size. Default: 256
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config 16550_PCI_UART0_TXBUFSIZE
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int "16550 UART0 PCI Tx buffer size"
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default 256
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---help---
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16550 UART0 PCI Tx buffer size. Default: 256
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endif # 16550_PCI_UART0
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if 16550_PCI_UART1
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config 16550_PCI_UART1_VENDOR
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hex "16550 UART1 PCI vendor"
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default 16550_PCI_UART0_VENDOR
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---help---
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PCI vendor number that will be associated with UART1
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config 16550_PCI_UART1_DEVICE
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hex "16550 UART1 PCI device"
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default 16550_PCI_UART0_DEVICE
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---help---
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PCI device number that will be associated with UART1
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config 16550_PCI_UART1_PORT
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int "16550 UART1 PCI port"
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default 1
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---help---
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Port in multi-port device. Starts from 0.
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Must be set to 0 for single port devices .
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config 16550_PCI_UART1_CLOCK
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int "16550 UART1 PCI clock"
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config 16550_PCI_UART1_BAUD
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int "16550 UART1 PCI BAUD"
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default 115200
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config 16550_PCI_UART1_PARITY
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int "16550 UART1 PCI parity"
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default 0
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range 0 2
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---help---
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16550 UART1 PCI parity. 0=None, 1=Odd, 2=Even. Default: None
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config 16550_PCI_UART1_BITS
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int "16550 UART1 PCI number of bits"
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default 8
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---help---
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16550 UART1 PCI number of bits. Default: 8
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config 16550_PCI_UART1_2STOP
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int "16550 UART1 PCI two stop bits"
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default 0
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---help---
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0=1 stop bit, 1=Two stop bits. Default: 1 stop bit
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config 16550_PCI_UART1_RXBUFSIZE
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int "16550 UART1 PCI Rx buffer size"
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default 256
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---help---
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16550 UART1 PCI Rx buffer size. Default: 256
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config 16550_PCI_UART1_TXBUFSIZE
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int "16550 UART1 PCI Tx buffer size"
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default 256
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---help---
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16550 UART1 PCI Tx buffer size. Default: 256
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endif # 16550_PCI_UART1
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if 16550_PCI_UART2
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config 16550_PCI_UART2_VENDOR
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hex "16550 UART2 PCI vendor"
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default 16550_PCI_UART1_VENDOR
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---help---
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PCI vendor number that will be associated with UART2
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config 16550_PCI_UART2_DEVICE
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hex "16550 UART2 PCI device"
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default 16550_PCI_UART1_DEVICE
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---help---
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PCI device number that will be associated with UART2
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config 16550_PCI_UART2_PORT
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int "16550 UART2 PCI port"
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default 2
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---help---
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Port in multi-port device. Starts from 0.
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Must be set to 0 for single port devices .
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config 16550_PCI_UART2_CLOCK
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int "16550 UART2 PCI clock"
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config 16550_PCI_UART2_BAUD
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int "16550 UART2 PCI BAUD"
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default 115200
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config 16550_PCI_UART2_PARITY
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int "16550 UART2 PCI parity"
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default 0
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range 0 2
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---help---
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16550 UART2 PCI parity. 0=None, 1=Odd, 2=Even. Default: None
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config 16550_PCI_UART2_BITS
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int "16550 UART2 PCI number of bits"
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default 8
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---help---
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16550 UART2 PCI number of bits. Default: 8
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config 16550_PCI_UART2_2STOP
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int "16550 UART2 PCI two stop bits"
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default 0
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---help---
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0=1 stop bit, 1=Two stop bits. Default: 1 stop bit
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config 16550_PCI_UART2_RXBUFSIZE
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int "16550 UART2 PCI Rx buffer size"
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default 256
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---help---
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16550 UART2 PCI Rx buffer size. Default: 256
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config 16550_PCI_UART2_TXBUFSIZE
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int "16550 UART2 PCI Tx buffer size"
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default 256
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---help---
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16550 UART2 PCI Tx buffer size. Default: 256
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endif # 16550_PCI_UART2
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if 16550_PCI_UART3
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config 16550_PCI_UART3_VENDOR
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hex "16550 UART3 PCI vendor"
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default 16550_PCI_UART2_VENDOR
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---help---
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PCI vendor number that will be associated with UART3
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config 16550_PCI_UART3_DEVICE
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hex "16550 UART3 PCI device"
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default 16550_PCI_UART2_DEVICE
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---help---
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PCI device number that will be associated with UART3
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config 16550_PCI_UART3_PORT
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int "16550 UART3 PCI port"
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default 3
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---help---
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Port in multi-port device. Starts from 0.
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Must be set to 0 for single port devices .
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config 16550_PCI_UART3_CLOCK
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int "16550 UART3 PCI clock"
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config 16550_PCI_UART3_BAUD
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int "16550 UART3 PCI BAUD"
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default 115200
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config 16550_PCI_UART3_PARITY
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int "16550 UART3 PCI parity"
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default 0
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range 0 2
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---help---
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16550 UART3 PCI parity. 0=None, 1=Odd, 2=Even. Default: None
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config 16550_PCI_UART3_BITS
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int "16550 UART3 PCI number of bits"
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default 8
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---help---
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16550 UART3 PCI number of bits. Default: 8
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config 16550_PCI_UART3_2STOP
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int "16550 UART3 PCI two stop bits"
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default 0
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---help---
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0=1 stop bit, 1=Two stop bits. Default: 1 stop bit
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config 16550_PCI_UART3_RXBUFSIZE
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int "16550 UART3 PCI Rx buffer size"
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default 256
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---help---
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16550 UART3 PCI Rx buffer size. Default: 256
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config 16550_PCI_UART3_TXBUFSIZE
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int "16550 UART3 PCI Tx buffer size"
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default 256
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---help---
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16550 UART3 PCI Tx buffer size. Default: 256
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endif # 16550_PCI_UART3
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config 16550_PCI_CONSOLE
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bool
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depends on 16550_PCI_UART && 16550_NO_SERIAL_CONSOLE
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select SERIAL_CONSOLE
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choice
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prompt "16550 PCI Serial Console"
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default 16550_PCI_NO_SERIAL_CONSOLE
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depends on DEV_CONSOLE && 16550_PCI_UART
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config 16550_PCI_UART0_SERIAL_CONSOLE
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bool "16550 PCI UART0 serial console"
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depends on 16550_PCI_UART0
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select 16550_PCI_CONSOLE
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config 16550_PCI_UART1_SERIAL_CONSOLE
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bool "16550 PCI UART1 serial console"
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depends on 16550_PCI_UART1
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select 16550_PCI_CONSOLE
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config 16550_PCI_UART2_SERIAL_CONSOLE
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bool "16550 PCI UART2 serial console"
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depends on 16550_PCI_UART2
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select 16550_PCI_CONSOLE
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config 16550_PCI_UART3_SERIAL_CONSOLE
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bool "16550 PCI UART3 serial console"
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depends on 16550_PCI_UART3
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select 16550_PCI_CONSOLE
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config 16550_PCI_NO_SERIAL_CONSOLE
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bool "No 16550 PCI serial console"
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endchoice # 16550 Serial Console
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@@ -75,6 +75,12 @@ ifeq ($(CONFIG_RAM_UART),y)
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CSRCS += uart_ram.c
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endif
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# UART PCI drivers
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ifeq ($(CONFIG_16550_PCI_UART),y)
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CSRCS += uart_pci_16550.c
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endif
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# Include serial build support
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DEPPATH += --dep-path serial
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,51 @@
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/****************************************************************************
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* include/nuttx/serial/uart_pci_16550.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_SERIAL_UART_PCI_16550_H
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#define __INCLUDE_NUTTX_SERIAL_UART_PCI_16550_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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#ifdef CONFIG_16550_PCI_UART
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int pci_u16550_init(void);
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_NUTTX_SERIAL_UART_PCI_16550_H */
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