forked from Archive/PX4-Autopilot
Add framework for z180 SCC driver
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5436 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
7dcb78d3c4
commit
9ef2bd0745
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@ -142,12 +142,334 @@ menu "Z180 Peripheral Support"
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config Z180_UART0
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bool "UART0"
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default n
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select ARCH_HAVE_UART0
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---help---
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Select to enable a serial port on UART0. On the Z8x182, bits 0-4 of
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port B will not be available if ASCI channel 0 is selected.
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config Z180_UART1
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bool "UART1"
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default n
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select ARCH_HAVE_UART1
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---help---
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Select to enable a serial port on UART1. On the Z8x182, bits 5-7 of
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port B will not be available if ASCI channel 0 is selected.
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config Z180_SCC
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bool "SCC"
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default n
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depends on ARCH_CHIP_Z8L181
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---help---
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Select to enable a serial port on the SCC
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config Z180_ESCCA
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bool "ESCC Channel A"
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default n
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depends on ARCH_CHIP_Z8L182 && !Z180_PORTC
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---help---
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Select to enable a serial port on ESCC Channel A. Not available
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if port C is selected.
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config Z180_ESCCB
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bool "ESCC Channel B"
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default n
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depends on ARCH_CHIP_Z8L182 && !Z180_MIMIC
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---help---
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Select to enable a serial port on ESCC Channel B
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config Z180_TMR1
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bool "Timer 1"
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default n
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---help---
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Select to enable a Timer 1 (Timer 0 is used by NuttX as the system timer)
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# config Z180_DMA0
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# bool "DMA0"
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# default n
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# ---help---
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# Select to enable support for DMA0
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#
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# config Z180_DMA1
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# bool "DMA1"
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# default n
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# ---help---
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# Select to enable support for DMA1
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config Z180_PORTA
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bool "PORT A"
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default n
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depends on ARCH_CHIP_Z8L181 || ARCH_CHIP_Z8L182 || !Z180_CTC
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---help---
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Select to enable a Port A (called PIA1 on the Z8x181)
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config Z180_PORTB
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bool "PORT B"
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default n
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depends on ARCH_CHIP_Z8L181 || ARCH_CHIP_Z8L182
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---help---
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Select to enable a Port B (called PIA2 on the Z8x181). On the Z8x182,
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Bits 5-7 will not be available if ASCI channel 1 is used; Bits 0-4 will
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not be available if ASCI channel 0 is used.
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config Z180_PORTC
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bool "PORT C"
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default n
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depends on ARCH_CHIP_Z8L182 && !Z180_ESCCA
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---help---
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Select to enable a Port C. Not available if ESCC channel A is selected.
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config Z180_CTC
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bool "CTC"
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default n
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depends on ARCH_CHIP_Z8L181
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---help---
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Select to enable the Counter/Timer (CTC)
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config Z180_MIMIC
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bool "16550 MIMIC"
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default n
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depends on ARCH_CHIP_Z8L182 && !Z180_ESCCB
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---help---
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Select to enable the 16550 MIMIC
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endmenu
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choice
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prompt "Serial console"
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default NO_SERIAL_CONSOLE
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config Z180_UART0_SERIAL_CONSOLE
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bool "UART0"
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depends on Z180_UART0
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config Z180_UART1_SERIAL_CONSOLE
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bool "UART1"
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depends on Z180_UART1
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config Z180_SCC_SERIAL_CONSOLE
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bool "SCC"
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depends on Z180_SCC
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config Z180_ESCCA_SERIAL_CONSOLE
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bool "ESCC Channel A"
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depends on Z180_ESCCA
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config Z180_ESCCB_SERIAL_CONSOLE
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bool "ESCC Channel B"
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depends on Z180_ESCCB
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endchoice
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menu "UART0 Configuration"
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depends on Z180_UART0
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config Z180_UART0_RXBUFSIZE
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int "Receive Buffer Size"
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default 64
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help
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Characters are buffered as they are received. This specifies
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the size of the receive buffer.
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config Z180_UART0_TXBUFSIZE
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int "Transmit Buffer Size"
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default 64
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help
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Characters are buffered before being sent. This specifies
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the size of the transmit buffer.
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config Z180_UART0_BAUD
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int "Baud Rate"
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default 9600
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help
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The configured BAUD of the SCC.
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config Z180_UART0_BITS
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int "Character Size"
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default 8
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help
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The number of bits in one character. Must be either 5, 6, 7, or 8.
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config Z180_UART0_PARITY
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int "Parity Setting"
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default 0
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help
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0=no parity, 1=odd parity, 2=even parity
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config Z180_UART0_2STOP
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int "use 2 stop bits"
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default 0
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help
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1=Two stop bits
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endmenu
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menu "UART1 Configuration"
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depends on Z180_UART1
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config Z180_UART1_RXBUFSIZE
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int "Receive Buffer Size"
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default 64
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help
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Characters are buffered as they are received. This specifies
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the size of the receive buffer.
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config Z180_UART1_TXBUFSIZE
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int "Transmit Buffer Size"
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default 64
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help
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Characters are buffered before being sent. This specifies
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the size of the transmit buffer.
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config Z180_UART1_BAUD
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int "Baud Rate"
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default 9600
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help
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The configured BAUD of the SCC.
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config Z180_UART1_BITS
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int "Character Size"
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default 8
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help
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The number of bits in one character. Must be either 5, 6, 7, or 8.
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config Z180_UART1_PARITY
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int "Parity Setting"
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default 0
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help
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0=no parity, 1=odd parity, 2=even parity
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config Z180_UART1_2STOP
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int "use 2 stop bits"
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default 0
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help
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1=Two stop bits
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endmenu
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menu "SCC Configuration"
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depends on Z180_SCC
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config Z180_SCC_RXBUFSIZE
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int "Receive Buffer Size"
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default 64
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help
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Characters are buffered as they are received. This specifies
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the size of the receive buffer.
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config Z180_SCC_TXBUFSIZE
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int "Transmit Buffer Size"
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default 64
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help
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Characters are buffered before being sent. This specifies
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the size of the transmit buffer.
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config Z180_SCC_BAUD
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int "Baud Rate"
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default 9600
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help
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The configured BAUD of the SCC.
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config Z180_SCC_BITS
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int "Character Size"
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default 8
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help
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The number of bits in one character. Must be either 5, 6, 7, or 8.
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config Z180_SCC_PARITY
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int "Parity Setting"
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default 0
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help
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0=no parity, 1=odd parity, 2=even parity
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config Z180_SCC_2STOP
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int "use 2 stop bits"
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default 0
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help
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1=Two stop bits
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endmenu
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menu "ESCC Channel A Configuration"
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depends on Z180_ESCCA
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config Z180_ESCCA_RXBUFSIZE
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int "Receive Buffer Size"
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default 64
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help
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Characters are buffered as they are received. This specifies
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the size of the receive buffer.
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config Z180_ESCCA_TXBUFSIZE
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int "Transmit Buffer Size"
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default 64
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help
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Characters are buffered before being sent. This specifies
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the size of the transmit buffer.
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config Z180_ESCCA_BAUD
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int "Baud Rate"
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default 9600
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help
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The configured BAUD of the SCC.
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config Z180_ESCCA_BITS
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int "Character Size"
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default 8
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help
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The number of bits in one character. Must be either 5, 6, 7, or 8.
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config Z180_ESCCA_PARITY
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int "Parity Setting"
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default 0
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help
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0=no parity, 1=odd parity, 2=even parity
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config Z180_ESCCA_2STOP
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int "use 2 stop bits"
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default 0
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help
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1=Two stop bits
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endmenu
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menu "ESCC Channel B Configuration"
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depends on Z180_ESCCB
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config Z180_ESCCB_RXBUFSIZE
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int "Receive Buffer Size"
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default 64
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help
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Characters are buffered as they are received. This specifies
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the size of the receive buffer.
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config Z180_ESCCB_TXBUFSIZE
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int "Transmit Buffer Size"
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default 64
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help
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Characters are buffered before being sent. This specifies
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the size of the transmit buffer.
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config Z180_ESCCB_BAUD
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int "Baud Rate"
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default 9600
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help
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The configured BAUD of the SCC.
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config Z180_ESCCB_BITS
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int "Character Size"
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default 8
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help
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The number of bits in one character. Must be either 5, 6, 7, or 8.
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config Z180_ESCCB_PARITY
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int "Parity Setting"
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default 0
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help
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0=no parity, 1=odd parity, 2=even parity
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config Z180_ESCCB_2STOP
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int "use 2 stop bits"
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default 0
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help
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1=Two stop bits
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endmenu
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endif
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@ -58,5 +58,5 @@ CHIP_ASRCS += z180_vectors.asm
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endif
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CHIP_CSRCS = z180_copystate.c z180_initialstate.c z180_io.c z180_irq.c
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CHIP_CSRCS += z180_mmu.c z180_registerdump.c z180_schedulesigaction.c
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CHIP_CSRCS += z180_sigdeliver.c
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CHIP_CSRCS += z180_modifiyreg8.c z180_mmu.c z180_registerdump.c
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CHIP_CSRCS += z180_schedulesigaction.c z180_sigdeliver.c
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@ -0,0 +1,140 @@
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/************************************************************************************
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* arch/z80/src/z180/z180_config.h
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_Z80_SRC_Z180_Z180_CONFIG_H
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#define __ARCH_Z80_SRC_Z180_Z180_CONFIG_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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#include <arch/z180/chip.h>
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Verify that selected features match the capability of the selected CPU */
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#ifndef HAVE_Z8X181
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# undef CONFIG_Z180_SCC
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# undef CONFIG_Z180_CTC
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#endif
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#ifndef HAVE_Z8X182
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# undef CONFIG_Z180_ESCCA
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# undef CONFIG_Z180_ESCCB
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# undef CONFIG_Z180_PORTC
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# undef CONFIG_Z180_MIMIC
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#endif
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#if !defined(HAVE_Z8X181) && !defined(HAVE_Z8X182)
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# undef CONFIG_Z180_PORTA
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# undef CONFIG_Z180_PORTB
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#endif
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/* Are any UARTs enabled? */
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#undef HAVE_SERIAL
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#if defined(CONFIG_Z180_UART0) || defined(CONFIG_Z180_UART1) || \
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defined(CONFIG_Z180_SCC) || defined(CONFIG_Z180_ESCCA) || \
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defined(CONFIG_Z180_ESCCB)
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# define HAVE_SERIAL 1
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#endif
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/* Make sure all features are disabled for disabled UARTs/[E]SCC channels. This
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* simplifies checking later.
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*/
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#ifndef CONFIG_Z180_UART0
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# undef CONFIG_Z180_UART0_SERIAL_CONSOLE
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#endif
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#ifndef CONFIG_Z180_UART1
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# undef CONFIG_Z180_UART1_SERIAL_CONSOLE
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#endif
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#ifndef CONFIG_Z180_SCC
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# undef CONFIG_SCC_SERIAL_CONSOLE
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#endif
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#ifndef CONFIG_Z180_ESCCA
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# undef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
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#endif
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#ifndef CONFIG_Z180_ESCCA
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# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
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#endif
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/* Is there a serial console? There should be at most one defined. */
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#if defined(CONFIG_Z180_UART0_SERIAL_CONSOLE)
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# undef CONFIG_Z180_UART1_SERIAL_CONSOLE
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# undef CONFIG_Z180_SCC_SERIAL_CONSOLE
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# undef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
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# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
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# define HAVE_SERIAL_CONSOLE 1
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#elif defined(CONFIG_Z180_UART1_SERIAL_CONSOLE)
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# undef CONFIG_Z180_SCC_SERIAL_CONSOLE
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# undef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
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# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
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# define HAVE_SERIAL_CONSOLE 1
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#elif defined(CONFIG_Z180_ESCC_SERIAL_CONSOLE)
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# undef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
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# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
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# define HAVE_SERIAL_CONSOLE 1
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#elif defined(CONFIG_Z180_ESCCA_SERIAL_CONSOLE)
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# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
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# define HAVE_SERIAL_CONSOLE 1
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#elif defined(CONFIG_Z180_ESCCB_SERIAL_CONSOLE)
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# define HAVE_SERIAL_CONSOLE 1
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#else
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# undef HAVE_SERIAL_CONSOLE
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#endif
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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#endif /* __ARCH_Z80_SRC_Z180_Z180_CONFIG_H */
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@ -106,24 +106,26 @@
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/* DMA Registers */
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#define Z180_DMA_SAR0L (SFR_OFFSET+0x20) /* DMA Source Address Register Ch 0L */
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#define Z180_DMA_SAR0H (SFR_OFFSET+0x21) /* DMA Source Address Register Ch 0H */
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#define Z180_DMA_SAR0B (SFR_OFFSET+0x22) /* DMA Source Address Register Ch 0B */
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#define Z180_DMA_DAR0L (SFR_OFFSET+0x23) /* DMA Destination Address Register Ch 0L */
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#define Z180_DMA_DAR0H (SFR_OFFSET+0x24) /* DMA Destination Address Register Ch 0H */
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#define Z180_DMA_DAR0B (SFR_OFFSET+0x25) /* DMA Destination Address Register Ch 0B */
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#define Z180_DMA_BCR0L (SFR_OFFSET+0x26) /* DMA Byte Count Register Ch 0L */
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#define Z180_DMA_BCR0H (SFR_OFFSET+0x27) /* DMA Byte Count Register Ch 0H */
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#define Z180_DMA_MAR1L (SFR_OFFSET+0x28) /* DMA Memory Address Register Ch 1L */
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#define Z180_DMA_MAR1H (SFR_OFFSET+0x29) /* DMA Memory Address Register Ch 1H */
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#define Z180_DMA_MAR1B (SFR_OFFSET+0x2a) /* DMA Memory Address Register Ch 1B */
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#define Z180_DMA_IAR1L (SFR_OFFSET+0x2b) /* DMA I/0 Address Register Ch 1L */
|
||||
#define Z180_DMA_IAR1H (SFR_OFFSET+0x2c) /* DMA I/0 Address Register Ch 1H */
|
||||
#define Z180_DMA0_SARL (SFR_OFFSET+0x20) /* DMA Source Address Register Ch 0L */
|
||||
#define Z180_DMA0_SARH (SFR_OFFSET+0x21) /* DMA Source Address Register Ch 0H */
|
||||
#define Z180_DMA0_SARB (SFR_OFFSET+0x22) /* DMA Source Address Register Ch 0B */
|
||||
#define Z180_DMA0_DARL (SFR_OFFSET+0x23) /* DMA Destination Address Register Ch 0L */
|
||||
#define Z180_DMA0_DARH (SFR_OFFSET+0x24) /* DMA Destination Address Register Ch 0H */
|
||||
#define Z180_DMA0_DARB (SFR_OFFSET+0x25) /* DMA Destination Address Register Ch 0B */
|
||||
#define Z180_DMA0_BCRL (SFR_OFFSET+0x26) /* DMA Byte Count Register Ch 0L */
|
||||
#define Z180_DMA0_BCRH (SFR_OFFSET+0x27) /* DMA Byte Count Register Ch 0H */
|
||||
|
||||
#define Z180_DMA1_MARL (SFR_OFFSET+0x28) /* DMA Memory Address Register Ch 1L */
|
||||
#define Z180_DMA1_MARH (SFR_OFFSET+0x29) /* DMA Memory Address Register Ch 1H */
|
||||
#define Z180_DMA1_MARB (SFR_OFFSET+0x2a) /* DMA Memory Address Register Ch 1B */
|
||||
#define Z180_DMA1_IARL (SFR_OFFSET+0x2b) /* DMA I/0 Address Register Ch 1L */
|
||||
#define Z180_DMA1_IARH (SFR_OFFSET+0x2c) /* DMA I/0 Address Register Ch 1H */
|
||||
#ifdef HAVE_Z8S180 /* Z8S180/Z8L180 class processors */
|
||||
# define Z180_DMA_IAR1B (SFR_OFFSET+0x2d) /* DMA I/O Address Register Ch 1B */
|
||||
# define Z180_DMA1_IARB (SFR_OFFSET+0x2d) /* DMA I/O Address Register Ch 1B */
|
||||
#endif
|
||||
#define Z180_DMA_BCR1L (SFR_OFFSET+0x2e) /* DMA Byte Count Register Ch 1L */
|
||||
#define Z180_DMA_BCR1H (SFR_OFFSET+0x2f) /* DMA Byte Count Register Ch 1H */
|
||||
#define Z180_DMA1_BCRL (SFR_OFFSET+0x2e) /* DMA Byte Count Register Ch 1L */
|
||||
#define Z180_DMA1_BCRH (SFR_OFFSET+0x2f) /* DMA Byte Count Register Ch 1H */
|
||||
|
||||
#define Z180_DMA_DSTAT (SFR_OFFSET+0x30) /* DMA Status Register */
|
||||
#define Z180_DMA_DMODE (SFR_OFFSET+0x31) /* DMA Mode Register */
|
||||
#define Z180_DMA_DCNTL (SFR_OFFSET+0x32) /* DMA/WAIT Control Register */
|
||||
|
|
|
|||
|
|
@ -0,0 +1,135 @@
|
|||
/****************************************************************************
|
||||
* arch/z80/src/z180/z180_loweruart.c
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <arch/io.h>
|
||||
#include <nuttx/arch.h>
|
||||
#include <nuttx/sched.h>
|
||||
|
||||
#include "chip/chip.h"
|
||||
#include "common/up_internal.h"
|
||||
#include "z80_config.h"
|
||||
|
||||
#ifdef USE_LOWUARTINIT
|
||||
|
||||
/****************************************************************************
|
||||
* Private Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* Select UART parameters for the selected console */
|
||||
|
||||
#if defined(CONFIG_Z180_SCC_SERIAL_CONSOLE)
|
||||
# define CONSOLE_CR Z181_SCC_CR
|
||||
# define CONSOLE_DR Z181_SCC_DR
|
||||
# define CONSOLE_BAUD CONFIG_Z180_SCC_BAUD
|
||||
# define CONSOLE_BITS CONFIG_Z180_SCC_BITS
|
||||
# define CONSOLE_2STOP CONFIG_Z180_SCC_2STOP
|
||||
# define CONSOLE_PARITY CONFIG_Z180_SCC_PARITY
|
||||
|
||||
#elif defined(CONFIG_Z180_ESCCB_SERIAL_CONSOLE)
|
||||
# define CONSOLE_CR Z182_ESCCA_CR
|
||||
# define CONSOLE_DR Z182_ESCCA_DR
|
||||
# define CONSOLE_BAUD CONFIG_Z180_ESCCA_BAUD
|
||||
# define CONSOLE_BITS CONFIG_Z180_ESCCA_BITS
|
||||
# define CONSOLE_2STOP CONFIG_Z180_ESCCA_2STOP
|
||||
# define CONSOLE_PARITY CONFIG_Z180_ESCCA_PARITY
|
||||
|
||||
#elif defined(CONFIG_Z180_ESCCB_SERIAL_CONSOLE)
|
||||
# define CONSOLE_CR Z182_ESCCB_CR
|
||||
# define CONSOLE_DR Z182_ESCCB_DR
|
||||
# define CONSOLE_BAUD CONFIG_Z180_ESCCB_BAUD
|
||||
# define CONSOLE_BITS CONFIG_Z180_ESCCB_BITS
|
||||
# define CONSOLE_PARITY CONFIG_Z180_ESCCB_PARITY
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
#if defined(HAVE_SERIAL_CONSOLE) && !defined(CONFIG_SUPPRESS_UART_CONFIG)
|
||||
static void z180_setbaud(void)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
#endif /* HAVE_SERIAL_CONSOLE && !CONFIG_SUPPRESS_UART_CONFIG */
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_lowuartinit
|
||||
****************************************************************************/
|
||||
|
||||
void up_lowuartinit(void)
|
||||
{
|
||||
#ifdef HAVE_SERIAL
|
||||
#warning "Missing logic"
|
||||
|
||||
/* Configure for usage of {E]SCC channels (whether or not we have a console) */
|
||||
|
||||
#ifdef CONFIG_Z180_SCC
|
||||
#warning "Missing logic"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_Z180_ESCCA
|
||||
#warning "Missing logic"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_Z180_ESCCB
|
||||
#warning "Missing logic"
|
||||
#endif
|
||||
|
||||
/* Configure the console for immediate usage */
|
||||
|
||||
#if defined(HAVE_SERIAL_CONSOLE) && !defined(CONFIG_SUPPRESS_UART_CONFIG)
|
||||
#warning "Missing logic"
|
||||
#endif /* HAVE_SERIAL_CONSOLE && !CONFIG_SUPPRESS_UART_CONFIG */
|
||||
#endif /* HAVE_SERIAL */
|
||||
}
|
||||
|
||||
#endif /* USE_LOWUARTINIT */
|
||||
|
|
@ -0,0 +1,82 @@
|
|||
/****************************************************************************
|
||||
* arch/arm/src/common/up_modifyreg8.c
|
||||
*
|
||||
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include <arch/irq.h>
|
||||
#include <arch/io.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: modifyreg8
|
||||
*
|
||||
* Description:
|
||||
* Atomically modify the specified bits in a I/O register
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void modifyreg8(uint16_t addr, uint8_t clearbits, uint8_t setbits)
|
||||
{
|
||||
irqstate_t flags;
|
||||
uint8_t regval;
|
||||
|
||||
flags = irqsave();
|
||||
regval = inp(addr);
|
||||
regval &= ~clearbits;
|
||||
regval |= setbits;
|
||||
outp(regval, addr);
|
||||
irqrestore(flags);
|
||||
}
|
||||
|
|
@ -0,0 +1,697 @@
|
|||
/****************************************************************************
|
||||
* arch/z80/src/ez08/z180_scc.c
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <unistd.h>
|
||||
#include <semaphore.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include <nuttx/irq.h>
|
||||
#include <nuttx/arch.h>
|
||||
#include <nuttx/serial/serial.h>
|
||||
#include <arch/serial.h>
|
||||
#include <arch/io.h>
|
||||
|
||||
#include "chip/chip.h"
|
||||
#include "os_internal.h"
|
||||
#include "up_internal.h"
|
||||
|
||||
#ifdef USE_SERIALDRIVER
|
||||
|
||||
/****************************************************************************
|
||||
* Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Types
|
||||
****************************************************************************/
|
||||
|
||||
struct z180_dev_s
|
||||
{
|
||||
uint32_t baud; /* Configured baud */
|
||||
uint8_t cr; /* [E]SCC control register */
|
||||
uint8_t dr; /* [E]SCC data register */
|
||||
uint8_t irq; /* IRQ associated with this [E]SCC */
|
||||
uint8_t parity; /* 0=none, 1=odd, 2=even */
|
||||
uint8_t bits; /* Number of bits (7 or 8) */
|
||||
bool stopbits2; /* true: Configure with 2 (vs 1) */
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Private Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
static int z180_setup(struct uart_dev_s *dev);
|
||||
static void z180_shutdown(struct uart_dev_s *dev);
|
||||
static int z180_attach(struct uart_dev_s *dev);
|
||||
static void z180_detach(struct uart_dev_s *dev);
|
||||
static int z180_interrrupt(int irq, void *context);
|
||||
static int z180_ioctl(struct file *filep, int cmd, unsigned long arg);
|
||||
static int z180_receive(struct uart_dev_s *dev, unsigned int *status);
|
||||
static void z180_rxint(struct uart_dev_s *dev, bool enable);
|
||||
static bool z180_rxavailable(struct uart_dev_s *dev);
|
||||
static void z180_send(struct uart_dev_s *dev, int ch);
|
||||
static void z180_txint(struct uart_dev_s *dev, bool enable);
|
||||
static bool z180_txready(struct uart_dev_s *dev);
|
||||
static bool z180_txempty(struct uart_dev_s *dev);
|
||||
|
||||
/****************************************************************************
|
||||
* Private Variables
|
||||
****************************************************************************/
|
||||
|
||||
struct uart_ops_s g_uart_ops =
|
||||
{
|
||||
z180_setup, /* setup */
|
||||
z180_shutdown, /* shutdown */
|
||||
z180_attach, /* attach */
|
||||
z180_detach, /* detach */
|
||||
z180_ioctl, /* ioctl */
|
||||
z180_receive, /* receive */
|
||||
z180_rxint, /* rxint */
|
||||
z180_rxavailable, /* rxavailable */
|
||||
z180_send, /* send */
|
||||
z180_txint, /* txint */
|
||||
z180_txready, /* txready */
|
||||
z180_txempty /* txempty */
|
||||
};
|
||||
|
||||
/* I/O buffers */
|
||||
|
||||
#ifdef CONFIG_Z180_SCC
|
||||
static char g_scc_rxbuffer[CONFIG_Z180_SCC_RXBUFSIZE];
|
||||
static char g_scc_txbuffer[CONFIG_Z180_SCC_TXBUFSIZE];
|
||||
#endif
|
||||
#ifdef CONFIG_Z180_ESCCA
|
||||
static char g_escca_rxbuffer[CONFIG_Z180_ESCCA_RXBUFSIZE];
|
||||
static char g_escca_txbuffer[CONFIG_Z180_ESCCA_TXBUFSIZE];
|
||||
#endif
|
||||
#ifdef CONFIG_Z180_ESCCB
|
||||
static char g_esccb_rxbuffer[CONFIG_Z180_ESCCB_RXBUFSIZE];
|
||||
static char g_esccb_txbuffer[CONFIG_Z180_ESCCB_TXBUFSIZE];
|
||||
#endif
|
||||
|
||||
/* This describes the state of the SCC port. */
|
||||
|
||||
#ifdef CONFIG_Z180_SCC
|
||||
static const struct z180_dev_s g_scc_priv =
|
||||
{
|
||||
CONFIG_Z180_SCC_BAUD, /* baud */
|
||||
Z181_SCC_CR, /* cr */
|
||||
Z181_SCC_DR, /* dr */
|
||||
Z180_SCC_IRQ, /* irq */
|
||||
CONFIG_Z180_SCC_PARITY, /* parity */
|
||||
CONFIG_Z180_SCC_BITS, /* bits */
|
||||
CONFIG_Z180_SCC_2STOP /* stopbits2 */
|
||||
};
|
||||
|
||||
static uart_dev_t g_scc_port =
|
||||
{
|
||||
0, /* open_count */
|
||||
false, /* xmitwaiting */
|
||||
false, /* recvwaiting */
|
||||
#ifdef CONFIG_Z180_SCC_SERIAL_CONSOLE
|
||||
true, /* isconsole */
|
||||
#else
|
||||
false, /* isconsole */
|
||||
#endif
|
||||
{ 0 }, /* closesem */
|
||||
{ 0 }, /* xmitsem */
|
||||
{ 0 }, /* recvsem */
|
||||
{
|
||||
{ 0 }, /* xmit.sem */
|
||||
0, /* xmit.head */
|
||||
0, /* xmit.tail */
|
||||
CONFIG_Z180_SCC_TXBUFSIZE, /* xmit.size */
|
||||
g_scc_txbuffer, /* xmit.buffer */
|
||||
},
|
||||
{
|
||||
{ 0 }, /* recv.sem */
|
||||
0, /* recv.head */
|
||||
0, /* recv.tail */
|
||||
CONFIG_Z180_SCC_RXBUFSIZE, /* recv.size */
|
||||
g_scc_rxbuffer, /* recv.buffer */
|
||||
},
|
||||
&g_uart_ops, /* ops */
|
||||
&g_scc_priv, /* priv */
|
||||
};
|
||||
#endif
|
||||
|
||||
/* This describes the state of the ESCC Channel A port. */
|
||||
|
||||
#ifdef CONFIG_Z180_ESCCA
|
||||
static const struct z180_dev_s g_escca_priv =
|
||||
{
|
||||
CONFIG_Z180_ESCCA_BAUD, /* baud */
|
||||
Z182_ESCCA_CR, /* cr */
|
||||
Z182_ESCCA_DR, /* dr */
|
||||
Z180_UART1_IRQ, /* irq */
|
||||
CONFIG_Z180_ESCCA_PARITY, /* parity */
|
||||
CONFIG_Z180_ESCCA_BITS, /* bits */
|
||||
CONFIG_Z180_ESCCA_2STOP /* stopbits2 */
|
||||
};
|
||||
|
||||
static uart_dev_t g_escca_port =
|
||||
{
|
||||
0, /* open_count */
|
||||
false, /* xmitwaiting */
|
||||
false, /* recvwaiting */
|
||||
#ifdef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
|
||||
true, /* isconsole */
|
||||
#else
|
||||
false, /* isconsole */
|
||||
#endif
|
||||
{ 0 }, /* closesem */
|
||||
{ 0 }, /* xmitsem */
|
||||
{ 0 }, /* recvsem */
|
||||
{
|
||||
{ 0 }, /* xmit.sem */
|
||||
0, /* xmit.head */
|
||||
0, /* xmit.tail */
|
||||
CONFIG_Z180_ESCCA_TXBUFSIZE, /* xmit.size */
|
||||
g_escca_txbuffer, /* xmit.buffer */
|
||||
},
|
||||
{
|
||||
{ 0 }, /* recv.sem */
|
||||
0, /* recv.head */
|
||||
0, /* recv.tail */
|
||||
CONFIG_Z180_ESCCA_RXBUFSIZE, /* recv.size */
|
||||
g_escca_rxbuffer, /* recv.buffer */
|
||||
},
|
||||
&g_uart_ops, /* ops */
|
||||
&g_escca_priv, /* priv */
|
||||
};
|
||||
#endif
|
||||
|
||||
/* This describes the state of the ESCC Channel B port. */
|
||||
|
||||
#ifdef CONFIG_Z180_ESCCB
|
||||
static const struct z180_dev_s g_esccb_priv =
|
||||
{
|
||||
CONFIG_Z180_ESCCB_BAUD, /* baud */
|
||||
Z182_ESCCB_CR, /* cr */
|
||||
Z182_ESCCB_DR, /* dr */
|
||||
Z180_UART1_IRQ, /* irq */
|
||||
CONFIG_Z180_ESCCB_PARITY, /* parity */
|
||||
CONFIG_Z180_ESCCB_BITS, /* bits */
|
||||
CONFIG_Z180_ESCCB_2STOP /* stopbits2 */
|
||||
};
|
||||
|
||||
static uart_dev_t g_escca_port =
|
||||
{
|
||||
0, /* open_count */
|
||||
false, /* xmitwaiting */
|
||||
false, /* recvwaiting */
|
||||
#ifdef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
|
||||
true, /* isconsole */
|
||||
#else
|
||||
false, /* isconsole */
|
||||
#endif
|
||||
{ 0 }, /* closesem */
|
||||
{ 0 }, /* xmitsem */
|
||||
{ 0 }, /* recvsem */
|
||||
{
|
||||
{ 0 }, /* xmit.sem */
|
||||
0, /* xmit.head */
|
||||
0, /* xmit.tail */
|
||||
CONFIG_Z180_ESCCA_TXBUFSIZE, /* xmit.size */
|
||||
g_escca_txbuffer, /* xmit.buffer */
|
||||
},
|
||||
{
|
||||
{ 0 }, /* recv.sem */
|
||||
0, /* recv.head */
|
||||
0, /* recv.tail */
|
||||
CONFIG_Z180_ESCCA_RXBUFSIZE, /* recv.size */
|
||||
g_escca_rxbuffer, /* recv.buffer */
|
||||
},
|
||||
&g_uart_ops, /* ops */
|
||||
&g_escca_priv, /* priv */
|
||||
};
|
||||
#endif
|
||||
|
||||
/* Now, which one with be tty0/console and which tty1? NOTE: SCC and ESCCA/B and
|
||||
* mutually exclusive.
|
||||
*/
|
||||
|
||||
#undef CONSOLE_DEV
|
||||
#undef TTYS0_DEV
|
||||
#undef TTYS1_DEV
|
||||
|
||||
#if defined(CONFIG_Z180_SCC_SERIAL_CONSOLE)
|
||||
# define CONSOLE_DEV g_scc_port
|
||||
# define TTYS0_DEV g_scc_port
|
||||
#elif defined(CONFIG_Z180_SCC)
|
||||
# define TTYS0_DEV g_scc_port
|
||||
|
||||
#elif defined(CONFIG_Z180_ESCCA_SERIAL_CONSOLE)
|
||||
# define CONSOLE_DEV g_escca_port
|
||||
# define TTYS0_DEV g_escca_port
|
||||
# if defined(CONFIG_Z180_ESCCB)
|
||||
# define TTYS1_DEV g_esccb_port
|
||||
# endif
|
||||
|
||||
#elif defined(CONFIG_Z180_ESCCB_SERIAL_CONSOLE)
|
||||
# define CONSOLE_DEV g_esccb_port
|
||||
# define TTYS0_DEV g_esccb_port
|
||||
# if defined(CONFIG_Z180_ESCCA)
|
||||
# define TTYS1_DEV g_escca_port
|
||||
# endif
|
||||
|
||||
#elif defined(CONFIG_Z180_ESCCA)
|
||||
# define TTYS0_DEV g_escca_port
|
||||
# if defined(CONFIG_Z180_ESCCB)
|
||||
# define TTYS1_DEV g_esccb_port
|
||||
# endif
|
||||
|
||||
#elif defined(CONFIG_Z180_ESCCB)
|
||||
# define TTYS0_DEV g_esccb_port
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_serialin
|
||||
****************************************************************************/
|
||||
|
||||
static inline uint8_t z180_serialin(struct z180_dev_s *priv, uint8_t regaddr)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_serialout
|
||||
****************************************************************************/
|
||||
|
||||
static inline void z180_serialout(struct z180_dev_s *priv, uint8_t regaddr,
|
||||
uint8_t value)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_disableuartint
|
||||
****************************************************************************/
|
||||
|
||||
static inline void z180_disableuartint(struct z180_dev_s *priv)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_restoreuartint
|
||||
****************************************************************************/
|
||||
|
||||
static inline void z180_restoreuartint(struct z180_dev_s *priv, uint8_t bits)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_waittxready
|
||||
****************************************************************************/
|
||||
|
||||
static inline void z180_waittxready(struct z180_dev_s *priv)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_setbaud
|
||||
****************************************************************************/
|
||||
|
||||
static inline void z180_setbaud(struct z180_dev_s *priv, uint24_t baud)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_setup
|
||||
*
|
||||
* Description:
|
||||
* Configure the UART baud, bits, parity, fifos, etc. This method is called
|
||||
* the first time that the serial port is opened.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int z180_setup(struct uart_dev_s *dev)
|
||||
{
|
||||
#ifndef CONFIG_SUPPRESS_UART_CONFIG
|
||||
# warning "Missing logic"
|
||||
#endif
|
||||
return OK;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_shutdown
|
||||
*
|
||||
* Description:
|
||||
* Disable the UART. This method is called when the serial port is closed
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void z180_shutdown(struct uart_dev_s *dev)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_attach
|
||||
*
|
||||
* Description:
|
||||
* Configure the UART to operation in interrupt driven mode. This method is
|
||||
* called when the serial port is opened. Normally, this is just after the
|
||||
* the setup() method is called, however, the serial console may operate in
|
||||
* a non-interrupt driven mode during the boot phase.
|
||||
*
|
||||
* RX and TX interrupts are not enabled when by the attach method (unless the
|
||||
* hardware supports multiple levels of interrupt enabling). The RX and TX
|
||||
* interrupts are not enabled until the txint() and rxint() methods are called.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int z180_attach(struct uart_dev_s *dev)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_detach
|
||||
*
|
||||
* Description:
|
||||
* Detach UART interrupts. This method is called when the serial port is
|
||||
* closed normally just before the shutdown method is called. The exception
|
||||
* is the serial console which is never shutdown.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void z180_detach(struct uart_dev_s *dev)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_interrrupt
|
||||
*
|
||||
* Description:
|
||||
* This is the UART interrupt handler. It will be invoked
|
||||
* when an interrupt received on the 'irq' It should call
|
||||
* uart_transmitchars or uart_receivechar to perform the
|
||||
* appropriate data transfers. The interrupt handling logic\
|
||||
* must be able to map the 'irq' number into the approprite
|
||||
* uart_dev_s structure in order to call these functions.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int z180_interrrupt(int irq, void *context)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_ioctl
|
||||
*
|
||||
* Description:
|
||||
* All ioctl calls will be routed through this method
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int z180_ioctl(struct file *filep, int cmd, unsigned long arg)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_receive
|
||||
*
|
||||
* Description:
|
||||
* Called (usually) from the interrupt level to receive one character from
|
||||
* the UART. Error bits associated with the receipt are provided in the
|
||||
* the return 'status'.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int z180_receive(struct uart_dev_s *dev, unsigned int *status)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_rxint
|
||||
*
|
||||
* Description:
|
||||
* Call to enable or disable RX interrupts
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void z180_rxint(struct uart_dev_s *dev, bool enable)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_rxavailable
|
||||
*
|
||||
* Description:
|
||||
* Return true if the receive fifo is not empty
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static bool z180_rxavailable(struct uart_dev_s *dev)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_send
|
||||
*
|
||||
* Description:
|
||||
* This method will send one byte on the UART
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void z180_send(struct uart_dev_s *dev, int ch)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_txint
|
||||
*
|
||||
* Description:
|
||||
* Call to enable or disable TX interrupts
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void z180_txint(struct uart_dev_s *dev, bool enable)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_txready
|
||||
*
|
||||
* Description:
|
||||
* Return true if the tranmsit fifo is not full
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static bool z180_txready(struct uart_dev_s *dev)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_txempty
|
||||
*
|
||||
* Description:
|
||||
* Return true if the transmit fifo is empty
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static bool z180_txempty(struct uart_dev_s *dev)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_serialinit
|
||||
*
|
||||
* Description:
|
||||
* Register serial console and serial ports.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void up_serialinit(void)
|
||||
{
|
||||
uint8_t regval;
|
||||
|
||||
/* Make sure that all UART interrupts are disabled */
|
||||
#warning "Missing logic"
|
||||
|
||||
/* Configure for usage of [E]SCC channels */
|
||||
|
||||
#ifdef CONFIG_Z180_SCC
|
||||
# warning "Missing logic"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_Z180_ESCCA
|
||||
# warning "Missing logic"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_Z180_ESCCB
|
||||
# warning "Missing logic"
|
||||
#endif
|
||||
|
||||
/* If there is a console, then configure the console now */
|
||||
|
||||
#ifdef CONSOLE_DEV
|
||||
CONSOLE_DEV.isconsole = true;
|
||||
z180_setup(&CONSOLE_DEV);
|
||||
#endif
|
||||
|
||||
/* Register console and tty devices */
|
||||
|
||||
#ifdef CONSOLE_DEV
|
||||
(void)uart_register("/dev/console", &CONSOLE_DEV);
|
||||
#endif
|
||||
(void)uart_register("/dev/ttyS0", &TTYS0_DEV);
|
||||
#ifdef TTYS1_DEV
|
||||
(void)uart_register("/dev/ttyS1", &TTYS1_DEV);
|
||||
#endif
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_putc
|
||||
*
|
||||
* Description:
|
||||
* Provide priority, low-level access to support OS debug
|
||||
* writes
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int up_putc(int ch)
|
||||
{
|
||||
#ifdef CONSOLE_DEV
|
||||
#warning "Missing logic"
|
||||
z180_disableuartint(priv);
|
||||
|
||||
/* Check for LF */
|
||||
|
||||
if (ch == '\n')
|
||||
{
|
||||
/* Output CR before LF*/
|
||||
#warning "Missing logic"
|
||||
|
||||
}
|
||||
|
||||
/* Output the character */
|
||||
|
||||
#warning "Missing logic"
|
||||
|
||||
/* Wait for the character to be sent before re-enabling interrupts */
|
||||
|
||||
#warning "Missing logic"
|
||||
return ch;
|
||||
#endif
|
||||
}
|
||||
|
||||
#else /* USE_SERIALDRIVER */
|
||||
|
||||
/****************************************************************************
|
||||
* Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Variables
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: z180_putc
|
||||
****************************************************************************/
|
||||
|
||||
static void z180_putc(int ch)
|
||||
{
|
||||
#warning "Missing logic"
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_putc
|
||||
****************************************************************************/
|
||||
|
||||
int up_putc(int ch)
|
||||
{
|
||||
/* Check for LF */
|
||||
|
||||
if (ch == '\n')
|
||||
{
|
||||
/* Output CR before LF */
|
||||
|
||||
z180_putc('\r');
|
||||
}
|
||||
|
||||
/* Output character */
|
||||
|
||||
z180_putc(ch);
|
||||
return ch;
|
||||
}
|
||||
|
||||
#endif /* USE_SERIALDRIVER */
|
||||
Loading…
Reference in New Issue