mirror of
https://github.com/apache/nuttx.git
synced 2026-06-06 00:14:22 +08:00
Add framework for z180 SCC driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5436 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
+324
-2
@@ -142,12 +142,334 @@ menu "Z180 Peripheral Support"
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config Z180_UART0
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config Z180_UART0
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bool "UART0"
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bool "UART0"
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default n
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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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config Z180_UART1
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bool "UART1"
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bool "UART1"
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default n
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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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endmenu
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endif
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endif
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@@ -41,14 +41,14 @@ HEAD_ASRC = z180_head.asm
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endif
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endif
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endif
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endif
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CMN_ASRCS =
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CMN_ASRCS =
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CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_createstack.c
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CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_createstack.c
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CMN_CSRCS += up_doirq.c up_exit.c up_idle.c up_initialize.c
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CMN_CSRCS += up_doirq.c up_exit.c up_idle.c up_initialize.c
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CMN_CSRCS += up_interruptcontext.c up_mdelay.c up_releasepending.c
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CMN_CSRCS += up_interruptcontext.c up_mdelay.c up_releasepending.c
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CMN_CSRCS += up_releasestack.c up_reprioritizertr.c up_unblocktask.c
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CMN_CSRCS += up_releasestack.c up_reprioritizertr.c up_unblocktask.c
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CMN_CSRCS += up_udelay.c up_usestack.c
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CMN_CSRCS += up_udelay.c up_usestack.c
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CHIP_ASRCS = z180_restoreusercontext.asm z180_saveusercontext.asm
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CHIP_ASRCS = z180_restoreusercontext.asm z180_saveusercontext.asm
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CHIP_ASRCS += z180_vectcommon.asm
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CHIP_ASRCS += z180_vectcommon.asm
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ifeq ($(CONFIG_LINKER_ROM_AT_0000),y)
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ifeq ($(CONFIG_LINKER_ROM_AT_0000),y)
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@@ -57,6 +57,6 @@ else
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CHIP_ASRCS += z180_vectors.asm
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CHIP_ASRCS += z180_vectors.asm
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endif
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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_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_modifiyreg8.c z180_mmu.c z180_registerdump.c
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CHIP_CSRCS += z180_sigdeliver.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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||||||
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* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
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||||||
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* are met:
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||||||
|
*
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||||||
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* 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
|
||||||
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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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||||||
|
* 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
|
||||||
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* 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
|
||||||
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* 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.
|
||||||
|
*
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||||||
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************************************************************************************/
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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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||||||
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/************************************************************************************
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||||||
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* Included Files
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
#include <nuttx/config.h>
|
||||||
|
|
||||||
|
#include <arch/z180/chip.h>
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Pre-processor Definitions
|
||||||
|
************************************************************************************/
|
||||||
|
/* Verify that selected features match the capability of the selected CPU */
|
||||||
|
|
||||||
|
#ifndef HAVE_Z8X181
|
||||||
|
# undef CONFIG_Z180_SCC
|
||||||
|
# undef CONFIG_Z180_CTC
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef HAVE_Z8X182
|
||||||
|
# undef CONFIG_Z180_ESCCA
|
||||||
|
# undef CONFIG_Z180_ESCCB
|
||||||
|
# undef CONFIG_Z180_PORTC
|
||||||
|
# undef CONFIG_Z180_MIMIC
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if !defined(HAVE_Z8X181) && !defined(HAVE_Z8X182)
|
||||||
|
# undef CONFIG_Z180_PORTA
|
||||||
|
# undef CONFIG_Z180_PORTB
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Are any UARTs enabled? */
|
||||||
|
|
||||||
|
#undef HAVE_SERIAL
|
||||||
|
#if defined(CONFIG_Z180_UART0) || defined(CONFIG_Z180_UART1) || \
|
||||||
|
defined(CONFIG_Z180_SCC) || defined(CONFIG_Z180_ESCCA) || \
|
||||||
|
defined(CONFIG_Z180_ESCCB)
|
||||||
|
# define HAVE_SERIAL 1
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Make sure all features are disabled for disabled UARTs/[E]SCC channels. This
|
||||||
|
* simplifies checking later.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef CONFIG_Z180_UART0
|
||||||
|
# undef CONFIG_Z180_UART0_SERIAL_CONSOLE
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef CONFIG_Z180_UART1
|
||||||
|
# undef CONFIG_Z180_UART1_SERIAL_CONSOLE
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef CONFIG_Z180_SCC
|
||||||
|
# undef CONFIG_SCC_SERIAL_CONSOLE
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef CONFIG_Z180_ESCCA
|
||||||
|
# undef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef CONFIG_Z180_ESCCA
|
||||||
|
# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Is there a serial console? There should be at most one defined. */
|
||||||
|
|
||||||
|
#if defined(CONFIG_Z180_UART0_SERIAL_CONSOLE)
|
||||||
|
# undef CONFIG_Z180_UART1_SERIAL_CONSOLE
|
||||||
|
# undef CONFIG_Z180_SCC_SERIAL_CONSOLE
|
||||||
|
# undef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
|
||||||
|
# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
|
||||||
|
# define HAVE_SERIAL_CONSOLE 1
|
||||||
|
#elif defined(CONFIG_Z180_UART1_SERIAL_CONSOLE)
|
||||||
|
# undef CONFIG_Z180_SCC_SERIAL_CONSOLE
|
||||||
|
# undef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
|
||||||
|
# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
|
||||||
|
# define HAVE_SERIAL_CONSOLE 1
|
||||||
|
#elif defined(CONFIG_Z180_ESCC_SERIAL_CONSOLE)
|
||||||
|
# undef CONFIG_Z180_ESCCA_SERIAL_CONSOLE
|
||||||
|
# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
|
||||||
|
# define HAVE_SERIAL_CONSOLE 1
|
||||||
|
#elif defined(CONFIG_Z180_ESCCA_SERIAL_CONSOLE)
|
||||||
|
# undef CONFIG_Z180_ESCCB_SERIAL_CONSOLE
|
||||||
|
# define HAVE_SERIAL_CONSOLE 1
|
||||||
|
#elif defined(CONFIG_Z180_ESCCB_SERIAL_CONSOLE)
|
||||||
|
# define HAVE_SERIAL_CONSOLE 1
|
||||||
|
#else
|
||||||
|
# undef HAVE_SERIAL_CONSOLE
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Types
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Data
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
#endif /* __ARCH_Z80_SRC_Z180_Z180_CONFIG_H */
|
||||||
@@ -106,24 +106,26 @@
|
|||||||
|
|
||||||
/* DMA Registers */
|
/* DMA Registers */
|
||||||
|
|
||||||
#define Z180_DMA_SAR0L (SFR_OFFSET+0x20) /* DMA Source Address Register Ch 0L */
|
#define Z180_DMA0_SARL (SFR_OFFSET+0x20) /* DMA Source Address Register Ch 0L */
|
||||||
#define Z180_DMA_SAR0H (SFR_OFFSET+0x21) /* DMA Source Address Register Ch 0H */
|
#define Z180_DMA0_SARH (SFR_OFFSET+0x21) /* DMA Source Address Register Ch 0H */
|
||||||
#define Z180_DMA_SAR0B (SFR_OFFSET+0x22) /* DMA Source Address Register Ch 0B */
|
#define Z180_DMA0_SARB (SFR_OFFSET+0x22) /* DMA Source Address Register Ch 0B */
|
||||||
#define Z180_DMA_DAR0L (SFR_OFFSET+0x23) /* DMA Destination Address Register Ch 0L */
|
#define Z180_DMA0_DARL (SFR_OFFSET+0x23) /* DMA Destination Address Register Ch 0L */
|
||||||
#define Z180_DMA_DAR0H (SFR_OFFSET+0x24) /* DMA Destination Address Register Ch 0H */
|
#define Z180_DMA0_DARH (SFR_OFFSET+0x24) /* DMA Destination Address Register Ch 0H */
|
||||||
#define Z180_DMA_DAR0B (SFR_OFFSET+0x25) /* DMA Destination Address Register Ch 0B */
|
#define Z180_DMA0_DARB (SFR_OFFSET+0x25) /* DMA Destination Address Register Ch 0B */
|
||||||
#define Z180_DMA_BCR0L (SFR_OFFSET+0x26) /* DMA Byte Count Register Ch 0L */
|
#define Z180_DMA0_BCRL (SFR_OFFSET+0x26) /* DMA Byte Count Register Ch 0L */
|
||||||
#define Z180_DMA_BCR0H (SFR_OFFSET+0x27) /* DMA Byte Count Register Ch 0H */
|
#define Z180_DMA0_BCRH (SFR_OFFSET+0x27) /* DMA Byte Count Register Ch 0H */
|
||||||
#define Z180_DMA_MAR1L (SFR_OFFSET+0x28) /* DMA Memory Address Register Ch 1L */
|
|
||||||
#define Z180_DMA_MAR1H (SFR_OFFSET+0x29) /* DMA Memory Address Register Ch 1H */
|
#define Z180_DMA1_MARL (SFR_OFFSET+0x28) /* DMA Memory Address Register Ch 1L */
|
||||||
#define Z180_DMA_MAR1B (SFR_OFFSET+0x2a) /* DMA Memory Address Register Ch 1B */
|
#define Z180_DMA1_MARH (SFR_OFFSET+0x29) /* DMA Memory Address Register Ch 1H */
|
||||||
#define Z180_DMA_IAR1L (SFR_OFFSET+0x2b) /* DMA I/0 Address Register Ch 1L */
|
#define Z180_DMA1_MARB (SFR_OFFSET+0x2a) /* DMA Memory Address Register Ch 1B */
|
||||||
#define Z180_DMA_IAR1H (SFR_OFFSET+0x2c) /* DMA I/0 Address Register Ch 1H */
|
#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 */
|
#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
|
#endif
|
||||||
#define Z180_DMA_BCR1L (SFR_OFFSET+0x2e) /* DMA Byte Count Register Ch 1L */
|
#define Z180_DMA1_BCRL (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_BCRH (SFR_OFFSET+0x2f) /* DMA Byte Count Register Ch 1H */
|
||||||
|
|
||||||
#define Z180_DMA_DSTAT (SFR_OFFSET+0x30) /* DMA Status Register */
|
#define Z180_DMA_DSTAT (SFR_OFFSET+0x30) /* DMA Status Register */
|
||||||
#define Z180_DMA_DMODE (SFR_OFFSET+0x31) /* DMA Mode Register */
|
#define Z180_DMA_DMODE (SFR_OFFSET+0x31) /* DMA Mode Register */
|
||||||
#define Z180_DMA_DCNTL (SFR_OFFSET+0x32) /* DMA/WAIT Control 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);
|
||||||
|
}
|
||||||
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user