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Diffstat (limited to '')
27 files changed, 0 insertions, 4425 deletions
diff --git a/c/src/lib/libchip/serial/Makefile.in b/c/src/lib/libchip/serial/Makefile.in deleted file mode 100644 index ee1d4cede6..0000000000 --- a/c/src/lib/libchip/serial/Makefile.in +++ /dev/null @@ -1,75 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = .. -subdir = serial - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -LIBNAME = libserialio.a -LIB = ${ARCH}/${LIBNAME} - -C_PIECES = mc68681 mc68681_baud mc68681_reg mc68681_reg2 mc68681_reg4 \ - mc68681_reg8 ns16550 z85c30 z85c30_reg serprobe termios_baud2index \ - termios_baud2num - -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -INSTALLED_H_FILES = $(srcdir)/mc68681.h $(srcdir)/ns16550.h \ - $(srcdir)/z85c30.h $(srcdir)/serial.h -SRCS = $(C_FILES) $(H_FILES) $(SYS_H_FILES) $(RTEMS_H_FILES) \ - $(PRIVATE_H_FILES) -OBJS = $(C_O_FILES) - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/lib.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ -mkinstalldirs = $(SHELL) $(top_srcdir)/@RTEMS_TOPdir@/mkinstalldirs - -INSTALLDIRS = $(PROJECT_INCLUDE)/libchip - -$(INSTALLDIRS): - @$(mkinstalldirs) $(INSTALLDIRS) - -# -# Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += $(LIBC_DEFINES) - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += $(LIB) -CLOBBER_ADDITIONS += - -all: ${ARCH} preinstall $(LIB) - @$(INSTALL_VARIANT) -m 644 ${LIB} $(PROJECT_RELEASE)/lib - -$(LIB): $(SRCS) ${OBJS} - $(make-library) - -# Install the library, appending _g or _p as appropriate. -# for include files, just use $(INSTALL_CHANGE) -preinstall: - @$(mkinstalldirs) $(PROJECT_INCLUDE)/libchip - @$(INSTALL_CHANGE) -m 644 $(INSTALLED_H_FILES) $(PROJECT_INCLUDE)/libchip - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/libchip/serial/README b/c/src/lib/libchip/serial/README deleted file mode 100644 index 3a1013b45b..0000000000 --- a/c/src/lib/libchip/serial/README +++ /dev/null @@ -1,17 +0,0 @@ -# -# $Id$ -# - -This is the serial controller portion of the libchip library. This -directory contains the source code for reusable console driver -support code. Each individual driver is configured using the -console_tbl data structure. This structure is defined and explained -in the console.h file. - -The reusable chip drivers do not directly access the serial controller. -They access the registers on the controller via a set of up to four -functions which are provided by the BSP. These functins set and get -general registers and data buffers. Some chips can access the data -buffers as general registers and thus the driver may not require -those interface routines. - diff --git a/c/src/lib/libchip/serial/README.mc68681 b/c/src/lib/libchip/serial/README.mc68681 deleted file mode 100644 index 240faf759b..0000000000 --- a/c/src/lib/libchip/serial/README.mc68681 +++ /dev/null @@ -1,87 +0,0 @@ -# -# $Id$ -# - -Configuration Table Use -======================= - -sDeviceName - - The name of this device. - -deviceType - - This field must be SERIAL_MC68681. - -pDeviceFns - - The device interface control table. This may be: - + mc68681_fns for interrupt driven IO - + mc68681_fns_polled for polled IO - -deviceProbe - - This is the address of the routine which probes to see if the device - is present. - -pDeviceFlow - - This field is ignored as hardware flow control is not currently supported. - -ulMargin - - This is currently unused. - -ulHysteresis - - This is currently unused. - -pDeviceParams - - This is set to the default settings. - -ulCtrlPort1 - - This field is the base address of the entire DUART. - -ulCtrlPort2 - - This field is the base address of the port specific registers. - -ulDataPort - - This field is bit mapped as follows: - bit 0: baud rate set a or b - bit 1-2: BRG selection ("Select Extend bit") - - Note: If both ports on single DUART are not configured for the same - baud rate set, then unexpected results will occur. - - Note: On the Exar 88c681, if a standard clock of 3.6864 Mhz is used - and the "Select Extend bit" is 0 (disabled), then the default - MC68681 baud rate table is selected. - -getRegister -setRegister - - These follow standard conventions. - -getData -setData - - These are unused since the TX and RX data registers can be accessed - as regular registers. - -ulClock - - This is a pointer to a baud rate mapping table. If set to - mc68681_baud_rate_table, then the CSR/ACR/X bit mappings shown - in the 68681 and 88681 manuals are used. Otherwise, the board - specific baud rate mapping is used. - - NULL is not a valid value. - -ulIntVector - - This is the interrupt vector number associated with this chip. - diff --git a/c/src/lib/libchip/serial/README.ns16550 b/c/src/lib/libchip/serial/README.ns16550 deleted file mode 100644 index 2956173b1b..0000000000 --- a/c/src/lib/libchip/serial/README.ns16550 +++ /dev/null @@ -1,5 +0,0 @@ -# -# $Id$ -# - -This driver needs to be debugged before this is written. diff --git a/c/src/lib/libchip/serial/README.xr88681 b/c/src/lib/libchip/serial/README.xr88681 deleted file mode 100644 index 37364aaec6..0000000000 --- a/c/src/lib/libchip/serial/README.xr88681 +++ /dev/null @@ -1,6 +0,0 @@ -# -# $Id$ -# - -The Exar XR88681 is an enhanced version of the Motorola MC68681 and is -supported by the mc68681 driver. diff --git a/c/src/lib/libchip/serial/README.z85c30 b/c/src/lib/libchip/serial/README.z85c30 deleted file mode 100644 index 4442b5ef40..0000000000 --- a/c/src/lib/libchip/serial/README.z85c30 +++ /dev/null @@ -1,78 +0,0 @@ -# -# $Id$ -# - -Configuration Table Use -======================= - -sDeviceName - - The name of this device. - -deviceType - - This field must be SERIAL_Z85C30. - -pDeviceFns - - The device interface control table. This may be: - + z85c30_fns for interrupt driven IO - + z85c30_fns_polled for polled IO - -deviceProbe - - This is the address of the routine which probes to see if the device - is present. - -pDeviceFlow - - This field is set to one of the following values: - + NULL for no hardware flow control - + z85c30_flow_RTSCTS for RTS/CTS based flow control - + z85c30_flow_DTRCTS for DTR/CTS based flow control - -ulMargin - - This is currently unused. - -ulHysteresis - - This is currently unused. - -pDeviceParams - - This is set to the default settings. - -ulCtrlPort1 - - This field is the address of the control register for this port. - -ulCtrlPort2 - - This field is the address of the control register for chip. - -ulDataPort - - This field is the address of the data register for this port. - -getRegister -setRegister - - These follow standard conventions. - -getData -setData - - These follow standard conventions. - -ulClock - - This is the clock speed of the baud rate clock. - NULL, then the CSR/ACR/X bit mappings shown in the 68681 and 88681 - manuals are used. Otherwise, the board specific baud rate mapping - is used. - -ulIntVector - - This is the interrupt vector number associated with this chip. - diff --git a/c/src/lib/libchip/serial/STATUS b/c/src/lib/libchip/serial/STATUS deleted file mode 100644 index 6eb7fa4171..0000000000 --- a/c/src/lib/libchip/serial/STATUS +++ /dev/null @@ -1,58 +0,0 @@ -# -# $Id$ -# - -General -======= - -+ Hardware flow control is not currently supported. Some of the chip - drivers (in particular the z8530) have support for hardware flow control - but this has not been tested in the libchip context. There will need - to be a way to totally disabled hardware flow control which is not - currently in this. - -+ "ulClockSpeed" configuration item field to become a pointer to a table - of chip specific information. For example, the z8530 should specify - clock speed and clock divisor setting. - -+ A termios structure should be included to specify the initial settings. - Right now all drivers default to 9600, 8N1. - -+ Need to switch to passing pointers rather than a minor number to - functions which are strictly internal to each chip driver. This - should be a performance win. - -+ Need a test which prompts you for termios settings and tests them. Until - this happens, testing for the variety of settings possible will be limited. - This test should be able to test any serial port while prompts come to the - console. - -MC68681 -======= - -+ Works interrupt and polled. - -+ Hardware flow control not included. - -NS16650 -======= - -+ Not tested in libchip context. Based on Radstone PPC2 driver which worked - well. - -+ Interrupt code has been reworked to not use ring buffer and may be broken - as it has not been tested since this was done. - -+ ns16550_set-attributes function is untested. - -+ Hardware flow control included but is currently disabled in ISR. - -Z85C30 -====== - -+ Works polled and interrupt. - -+ Hardware flow control included but is currently disabled in ISR. - -+ Needs to support mode where more specific vectors are generated. - diff --git a/c/src/lib/libchip/serial/mc68681.c b/c/src/lib/libchip/serial/mc68681.c deleted file mode 100644 index a917f5aa46..0000000000 --- a/c/src/lib/libchip/serial/mc68681.c +++ /dev/null @@ -1,756 +0,0 @@ -/* - * This file contains the termios TTY driver for the Motorola MC68681. - * - * This part is available from a number of secondary sources. - * In particular, we know about the following: - * - * + Exar 88c681 and 68c681 - * - * COPYRIGHT (c) 1989-1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems.h> -#include <rtems/libio.h> -#include <stdlib.h> - -#include <libchip/serial.h> -#include <libchip/mc68681.h> -#include "sersupp.h" -#include "mc68681_p.h" - -/* - * Flow control is only supported when using interrupts - */ - -console_fns mc68681_fns = -{ - libchip_serial_default_probe, /* deviceProbe */ - mc68681_open, /* deviceFirstOpen */ - NULL, /* deviceLastClose */ - NULL, /* deviceRead */ - mc68681_write_support_int, /* deviceWrite */ - mc68681_initialize_interrupts, /* deviceInitialize */ - mc68681_write_polled, /* deviceWritePolled */ - mc68681_set_attributes, /* deviceSetAttributes */ - TRUE /* deviceOutputUsesInterrupts */ -}; - -console_fns mc68681_fns_polled = -{ - libchip_serial_default_probe, /* deviceProbe */ - mc68681_open, /* deviceFirstOpen */ - mc68681_close, /* deviceLastClose */ - mc68681_inbyte_nonblocking_polled, /* deviceRead */ - mc68681_write_support_polled, /* deviceWrite */ - mc68681_init, /* deviceInitialize */ - mc68681_write_polled, /* deviceWritePolled */ - mc68681_set_attributes, /* deviceSetAttributes */ - FALSE, /* deviceOutputUsesInterrupts */ -}; - -extern void set_vector( rtems_isr_entry, rtems_vector_number, int ); - -/* - * Console Device Driver Entry Points - */ - -/* - * mc68681_baud_rate - * - * This routine returns the proper ACR bit and baud rate field values - * based on the requested baud rate. The baud rate set to be used - * must be configured by the user. - */ - -MC68681_STATIC int mc68681_baud_rate( - int minor, - int baud, - unsigned int *baud_mask_p, - unsigned int *acr_bit_p, - unsigned int *command -); - -/* - * mc68681_set_attributes - * - * This function sets the DUART channel to reflect the requested termios - * port settings. - */ - -MC68681_STATIC int mc68681_set_attributes( - int minor, - const struct termios *t -) -{ - unsigned32 pMC68681_port; - unsigned32 pMC68681; - unsigned int mode1; - unsigned int mode2; - unsigned int baud_mask; - unsigned int acr_bit; - unsigned int cmd; - setRegister_f setReg; - rtems_interrupt_level Irql; - - pMC68681 = Console_Port_Tbl[minor].ulCtrlPort1; - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Set the baud rate - */ - - if (mc68681_baud_rate( minor, t->c_cflag, &baud_mask, &acr_bit, &cmd ) == -1) - return -1; - - baud_mask |= baud_mask << 4; - acr_bit <<= 7; - - /* - * Parity - */ - - mode1 = 0; - mode2 = 0; - - if (t->c_cflag & PARENB) { - if (t->c_cflag & PARODD) - mode1 |= 0x04; - else - mode1 |= 0x04; - } else { - mode1 |= 0x10; - } - - /* - * Character Size - */ - - if (t->c_cflag & CSIZE) { - switch (t->c_cflag & CSIZE) { - case CS5: break; - case CS6: mode1 |= 0x01; break; - case CS7: mode1 |= 0x02; break; - case CS8: mode1 |= 0x03; break; - } - } else { - mode1 |= 0x03; /* default to 9600,8,N,1 */ - } - - /* - * Stop Bits - */ - - if (t->c_cflag & CSTOPB) { - mode2 |= 0x07; /* 2 stop bits */ - } else { - if ((t->c_cflag & CSIZE) == CS5) /* CS5 and 2 stop bits not supported */ - return -1; - mode2 |= 0x0F; /* 1 stop bit */ - } - - rtems_interrupt_disable(Irql); - (*setReg)( pMC68681, MC68681_AUX_CTRL_REG, acr_bit ); - (*setReg)( pMC68681_port, MC68681_CLOCK_SELECT, baud_mask ); - if ( cmd ) { - (*setReg)( pMC68681_port, MC68681_COMMAND, cmd ); /* RX */ - (*setReg)( pMC68681_port, MC68681_COMMAND, cmd | 0x20 ); /* TX */ - } - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_RESET_MR_PTR ); - (*setReg)( pMC68681_port, MC68681_MODE, mode1 ); - (*setReg)( pMC68681_port, MC68681_MODE, mode2 ); - rtems_interrupt_enable(Irql); - return 0; -} - -/* - * mc68681_initialize_context - * - * This function sets the default values of the per port context structure. - */ - -MC68681_STATIC void mc68681_initialize_context( - int minor, - mc68681_context *pmc68681Context -) -{ - int port; - unsigned int pMC68681; - unsigned int pMC68681_port; - - pMC68681 = Console_Port_Tbl[minor].ulCtrlPort1; - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - - pmc68681Context->mate = -1; - - for (port=0 ; port<Console_Port_Count ; port++ ) { - if ( Console_Port_Tbl[port].ulCtrlPort1 == pMC68681 && - Console_Port_Tbl[port].ulCtrlPort2 != pMC68681_port ) { - pmc68681Context->mate = port; - pmc68681Context->imr = 0; - break; - } - } - -} - -/* - * mc68681_init - * - * This function initializes the DUART to a quiecsent state. - */ - -MC68681_STATIC void mc68681_init(int minor) -{ - unsigned32 pMC68681_port; - unsigned32 pMC68681; - mc68681_context *pmc68681Context; - setRegister_f setReg; - getRegister_f getReg; - - pmc68681Context = (mc68681_context *) malloc(sizeof(mc68681_context)); - - Console_Port_Data[minor].pDeviceContext = (void *)pmc68681Context; - - mc68681_initialize_context( minor, pmc68681Context ); - - pMC68681 = Console_Port_Tbl[minor].ulCtrlPort1; - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - setReg = Console_Port_Tbl[minor].setRegister; - getReg = Console_Port_Tbl[minor].getRegister; - - /* - * Reset everything and leave this port disabled. - */ - - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_RESET_RX ); - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_RESET_TX ); - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_RESET_ERROR ); - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_RESET_BREAK ); - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_STOP_BREAK ); - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_DISABLE_TX ); - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_DISABLE_RX ); - - - (*setReg)( pMC68681_port, MC68681_MODE_REG_1A, 0x00 ); - (*setReg)( pMC68681_port, MC68681_MODE_REG_2A, 0x02 ); - - /* - * Disable interrupts on RX and TX for this port - */ - - mc68681_enable_interrupts( minor, MC68681_IMR_DISABLE_ALL ); -} - -/* - * mc68681_open - * - * This function opens a port for communication. - * - * Default state is 9600 baud, 8 bits, No parity, and 1 stop bit. - */ - -MC68681_STATIC int mc68681_open( - int major, - int minor, - void *arg -) -{ - unsigned32 pMC68681; - unsigned32 pMC68681_port; - unsigned int baud; - unsigned int acr; - unsigned int vector; - unsigned int command; - rtems_interrupt_level Irql; - setRegister_f setReg; - - pMC68681 = Console_Port_Tbl[minor].ulCtrlPort1; - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - setReg = Console_Port_Tbl[minor].setRegister; - vector = Console_Port_Tbl[minor].ulIntVector; - - /* XXX default baud rate should be from configuration table */ - - (void) mc68681_baud_rate( minor, B9600, &baud, &acr, &command ); - - /* - * Set the DUART channel to a default useable state - */ - - rtems_interrupt_disable(Irql); - (*setReg)( pMC68681, MC68681_AUX_CTRL_REG, acr ); - (*setReg)( pMC68681_port, MC68681_CLOCK_SELECT, baud ); - if ( command ) { - (*setReg)( pMC68681_port, MC68681_COMMAND, command ); /* RX */ - (*setReg)( pMC68681_port, MC68681_COMMAND, command | 0x20 ); /* TX */ - } - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_RESET_MR_PTR ); - (*setReg)( pMC68681_port, MC68681_MODE, 0x13 ); - (*setReg)( pMC68681_port, MC68681_MODE, 0x07 ); - rtems_interrupt_enable(Irql); - - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_ENABLE_TX ); - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_ENABLE_RX ); - - (*setReg)( pMC68681, MC68681_INTERRUPT_VECTOR_REG, vector ); - - return RTEMS_SUCCESSFUL; -} - -/* - * mc68681_close - * - * This function shuts down the requested port. - */ - -MC68681_STATIC int mc68681_close( - int major, - int minor, - void *arg -) -{ - unsigned32 pMC68681; - unsigned32 pMC68681_port; - setRegister_f setReg; - - pMC68681 = Console_Port_Tbl[minor].ulCtrlPort1; - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Disable interrupts from this channel and then disable it totally. - */ - -#if 0 - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_DISABLE_TX ); - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_DISABLE_RX ); -#endif - - return(RTEMS_SUCCESSFUL); -} - -/* - * mc68681_write_polled - * - * This routine polls out the requested character. - */ - -MC68681_STATIC void mc68681_write_polled( - int minor, - char cChar -) -{ - unsigned32 pMC68681_port; - unsigned char ucLineStatus; - int iTimeout; - getRegister_f getReg; - setRegister_f setReg; - - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - getReg = Console_Port_Tbl[minor].getRegister; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * wait for transmitter holding register to be empty - */ - iTimeout = 1000; - ucLineStatus = (*getReg)(pMC68681_port, MC68681_STATUS); - while ((ucLineStatus & (MC68681_TX_READY|MC68681_TX_EMPTY)) == 0) { - - if ((ucLineStatus & 0xF0)) - (*setReg)( pMC68681_port, MC68681_COMMAND, MC68681_MODE_REG_RESET_ERROR ); - - /* - * Yield while we wait - */ - -#if 0 - if(_System_state_Is_up(_System_state_Get())) { - rtems_task_wake_after(RTEMS_YIELD_PROCESSOR); - } -#endif - ucLineStatus = (*getReg)(pMC68681_port, MC68681_STATUS); - if(!--iTimeout) { - break; - } - } - - /* - * transmit character - */ - - (*setReg)(pMC68681_port, MC68681_TX_BUFFER, cChar); -} - -/* - * mc68681_isr - * - * This is the single interrupt entry point which parcels interrupts - * out to the various ports. - */ - -MC68681_STATIC rtems_isr mc68681_isr( - rtems_vector_number vector -) -{ - int minor; - - for(minor=0 ; minor<Console_Port_Count ; minor++) { - if(Console_Port_Tbl[minor].ulIntVector == vector && - Console_Port_Tbl[minor].deviceType == SERIAL_MC68681 ) { - mc68681_process(minor); - } - } -} - -/* - * mc68681_initialize_interrupts - * - * This routine initializes the console's receive and transmit - * ring buffers and loads the appropriate vectors to handle the interrupts. - */ - -MC68681_STATIC void mc68681_initialize_interrupts(int minor) -{ - mc68681_init(minor); - - Console_Port_Data[minor].bActive = FALSE; - - set_vector(mc68681_isr, Console_Port_Tbl[minor].ulIntVector, 1); - - mc68681_enable_interrupts(minor,MC68681_IMR_ENABLE_ALL_EXCEPT_TX); -} - -/* - * mc68681_write_support_int - * - * Console Termios output entry point when using interrupt driven output. - */ - -MC68681_STATIC int mc68681_write_support_int( - int minor, - const char *buf, - int len -) -{ - unsigned32 Irql; - unsigned32 pMC68681_port; - setRegister_f setReg; - - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * We are using interrupt driven output and termios only sends us - * one character at a time. - */ - - if ( !len ) - return 0; - - /* - * Put the character out and enable interrupts if necessary. - */ - - rtems_interrupt_disable(Irql); - if ( Console_Port_Data[minor].bActive == FALSE ) { - Console_Port_Data[minor].bActive = TRUE; - mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL); - } - (*setReg)(pMC68681_port, MC68681_TX_BUFFER, *buf); - rtems_interrupt_enable(Irql); - - return 1; -} - -/* - * mc68681_write_support_polled - * - * Console Termios output entry point when using polled output. - * - */ - -MC68681_STATIC int mc68681_write_support_polled( - int minor, - const char *buf, - int len -) -{ - int nwrite = 0; - - /* - * poll each byte in the string out of the port. - */ - while (nwrite < len) { - /* - * transmit character - */ - mc68681_write_polled(minor, *buf++); - nwrite++; - } - - /* - * return the number of bytes written. - */ - return nwrite; -} - -/* - * mc68681_inbyte_nonblocking_polled - * - * Console Termios polling input entry point. - */ - -MC68681_STATIC int mc68681_inbyte_nonblocking_polled( - int minor -) -{ - unsigned32 pMC68681_port; - unsigned char ucLineStatus; - unsigned char cChar; - getRegister_f getReg; - - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - getReg = Console_Port_Tbl[minor].getRegister; - - ucLineStatus = (*getReg)(pMC68681_port, MC68681_STATUS); - if(ucLineStatus & MC68681_RX_READY) { - cChar = (*getReg)(pMC68681_port, MC68681_RX_BUFFER); - return (int)cChar; - } else { - return -1; - } -} - -/* - * mc68681_baud_rate - */ - -MC68681_STATIC int mc68681_baud_rate( - int minor, - int baud, - unsigned int *baud_mask_p, - unsigned int *acr_bit_p, - unsigned int *command -) -{ - unsigned int baud_mask; - unsigned int acr_bit; - int status; - int is_extended; - int baud_requested; - mc68681_baud_table_t *baud_tbl; - - baud_mask = 0; - acr_bit = 0; - status = 0; - - if ( !(Console_Port_Tbl[minor].ulDataPort & MC68681_DATA_BAUD_RATE_SET_1) ) - acr_bit = 1; - - is_extended = 0; - - switch (Console_Port_Tbl[minor].ulDataPort & MC68681_XBRG_MASK) { - case MC68681_XBRG_IGNORED: - *command = 0x00; - break; - case MC68681_XBRG_ENABLED: - *command = 0x80; - is_extended = 1; - break; - case MC68681_XBRG_DISABLED: - *command = 0x90; - break; - } - - baud_requested = baud & CBAUD; - if (!baud_requested) - baud_requested = B9600; /* default to 9600 baud */ - - baud_requested = termios_baud_to_index( baud_requested ); - - baud_tbl = (mc68681_baud_table_t *) Console_Port_Tbl[minor].ulClock; - if (!baud_tbl) - rtems_fatal_error_occurred(RTEMS_INVALID_ADDRESS); - - if ( is_extended ) - baud_mask = (unsigned int)baud_tbl[ acr_bit + 2 ][ baud_requested ]; - else - baud_mask = baud_tbl[ acr_bit ][ baud_requested ]; - - if ( baud_mask == MC68681_BAUD_NOT_VALID ) - status = -1; - - /* - * upper nibble is receiver and lower nibble is transmitter - */ - - *baud_mask_p = (baud_mask << 4) | baud_mask; - *acr_bit_p = acr_bit; - return status; -} - -/* - * mc68681_process - * - * This routine is the per port console interrupt handler. - */ - -MC68681_STATIC void mc68681_process( - int minor -) -{ - unsigned32 pMC68681; - unsigned32 pMC68681_port; - volatile unsigned8 ucLineStatus; - unsigned char cChar; - getRegister_f getReg; - setRegister_f setReg; - - pMC68681 = Console_Port_Tbl[minor].ulCtrlPort1; - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - getReg = Console_Port_Tbl[minor].getRegister; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Deal with any received characters - */ - while(TRUE) { - ucLineStatus = (*getReg)(pMC68681_port, MC68681_STATUS); - if(!(ucLineStatus & MC68681_RX_READY)) { - break; - } - /* - * If there is a RX error, then dump all the data. - */ - if ( ucLineStatus & MC68681_RX_ERRORS ) { - do { - cChar = (*getReg)(pMC68681_port, MC68681_RX_BUFFER); - ucLineStatus = (*getReg)(pMC68681_port, MC68681_STATUS); - } while ( ucLineStatus & MC68681_RX_READY ); - continue; - } - cChar = (*getReg)(pMC68681_port, MC68681_RX_BUFFER); - rtems_termios_enqueue_raw_characters( - Console_Port_Data[minor].termios_data, - &cChar, - 1 - ); - } - - /* - * Deal with the transmitter - */ - - ucLineStatus = (*getReg)(pMC68681, MC68681_INTERRUPT_STATUS_REG); - if (pMC68681 != pMC68681_port) - ucLineStatus >>= 4; - - if(ucLineStatus & MC68681_IR_TX_READY) { - if (rtems_termios_dequeue_characters( - Console_Port_Data[minor].termios_data, 1)) { - Console_Port_Data[minor].bActive = FALSE; - mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL_EXCEPT_TX); - } - } - -} - -/* - * mc68681_build_imr - * - * This function returns the value for the interrupt mask register for this - * DUART. Since this is a shared register, we must look at the other port - * on this chip to determine whether or not it is using interrupts. - */ - -MC68681_STATIC unsigned int mc68681_build_imr( - int minor, - int enable_flag -) -{ - int mate; - int is_a; - unsigned int mask; - unsigned int mate_mask; - unsigned int pMC68681; - unsigned int pMC68681_port; - mc68681_context *pmc68681Context; - mc68681_context *mateContext; - - pMC68681 = Console_Port_Tbl[minor].ulCtrlPort1; - pMC68681_port = Console_Port_Tbl[minor].ulCtrlPort2; - pmc68681Context = (mc68681_context *) Console_Port_Data[minor].pDeviceContext; - mate = pmc68681Context->mate; - - mask = 0; - mate_mask = 0; - - is_a = (pMC68681 == pMC68681_port); - - /* - * If there is a mate for this port, get its IMR mask. - */ - - if ( mate != -1 ) { - mateContext = Console_Port_Data[mate].pDeviceContext; - - if (mateContext) - mate_mask = mateContext->imr; - } - - /* - * Calculate this port's IMR mask and save it in the context area. - */ - - if ( Console_Port_Tbl[minor].pDeviceFns->deviceOutputUsesInterrupts ) - mask = enable_flag; - - pmc68681Context->imr = mask; - - /* - * Now return the full IMR value - */ - - if (is_a) - return (mate_mask << 4) | mask; - - return (mask << 4) | mate_mask; -} - -/* - * mc68681_enable_interrupts - * - * This function enables specific interrupt sources on the DUART. - */ - -MC68681_STATIC void mc68681_enable_interrupts( - int minor, - int imr_mask -) -{ - unsigned32 pMC68681; - setRegister_f setReg; - - pMC68681 = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Enable interrupts on RX and TX -- not break - */ - - (*setReg)( - pMC68681, - MC68681_INTERRUPT_MASK_REG, - mc68681_build_imr(minor, imr_mask) - ); -} diff --git a/c/src/lib/libchip/serial/mc68681.h b/c/src/lib/libchip/serial/mc68681.h deleted file mode 100644 index 57713e3eff..0000000000 --- a/c/src/lib/libchip/serial/mc68681.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * - * COPYRIGHT (c) 1989-1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef _MC68681_H_ -#define _MC68681_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * These are just used in the interface between this driver and - * the read/write register routines when accessing the first - * control port. - */ - -#define MC68681_STATUS 1 -#define MC68681_RX_BUFFER 3 - -#define MC68681_MODE 0 -#define MC68681_CLOCK_SELECT 1 -#define MC68681_COMMAND 2 -#define MC68681_TX_BUFFER 3 - -/* - * Data Port bit map configuration - * - * D0 : Baud Rate Set Selection - * D1 - D2 : Extended Baud Rate Setting - */ - -#define MC68681_DATA_BAUD_RATE_SET_1 0 /* ACR[7] = 0 */ -#define MC68681_DATA_BAUD_RATE_SET_2 1 /* ACR[7] = 1 */ - -#define MC68681_XBRG_IGNORED (0 << 1) -#define MC68681_XBRG_ENABLED (1 << 1) -#define MC68681_XBRG_DISABLED (2 << 1) -#define MC68681_XBRG_MASK (3 << 1) - -/* - * Custom baud rate table information - */ - -typedef unsigned char mc68681_baud_t; -typedef mc68681_baud_t mc68681_baud_table_t[RTEMS_TERMIOS_NUMBER_BAUD_RATES]; - -#define MC68681_BAUD_NOT_VALID 0xFF - -extern mc68681_baud_t - mc68681_baud_rate_table[4][RTEMS_TERMIOS_NUMBER_BAUD_RATES]; - - -/* - * Driver function table - */ - -extern console_fns mc68681_fns; -extern console_fns mc68681_fns_polled; - -/* - * Default register access routines - */ - -unsigned8 mc68681_get_register( /* registers are at 1 byte boundaries */ - unsigned32 ulCtrlPort, /* and accessed as bytes */ - unsigned8 ucRegNum -); - -void mc68681_set_register( - unsigned32 ulCtrlPort, - unsigned8 ucRegNum, - unsigned8 ucData -); - -unsigned8 mc68681_get_register_2( /* registers are at 2 byte boundaries */ - unsigned32 ulCtrlPort, /* and accessed as bytes */ - unsigned8 ucRegNum -); - -void mc68681_set_register_2( - unsigned32 ulCtrlPort, - unsigned8 ucRegNum, - unsigned8 ucData -); - -unsigned8 mc68681_get_register_4( /* registers are at 4 byte boundaries */ - unsigned32 ulCtrlPort, /* and accessed as bytes */ - unsigned8 ucRegNum -); - -void mc68681_set_register_4( - unsigned32 ulCtrlPort, - unsigned8 ucRegNum, - unsigned8 ucData -); - -unsigned8 mc68681_get_register_8( /* registers are at 8 byte boundaries */ - unsigned32 ulCtrlPort, /* and accessed as bytes */ - unsigned8 ucRegNum -); - -void mc68681_set_register_8( - unsigned32 ulCtrlPort, - unsigned8 ucRegNum, - unsigned8 ucData -); - - -#ifdef __cplusplus -} -#endif - -#endif /* _MC68681_H_ */ diff --git a/c/src/lib/libchip/serial/mc68681_baud.c b/c/src/lib/libchip/serial/mc68681_baud.c deleted file mode 100644 index d91774e501..0000000000 --- a/c/src/lib/libchip/serial/mc68681_baud.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * MC68681 Default Baud Rate Table - * - * $Id$ - */ - -#include <rtems.h> -#include <libchip/serial.h> -#include <libchip/mc68681.h> - -/* major index of 0 : ACR[7] = 0, X = 0 -- 68c681 only has these */ -/* major index of 1 : ACR[7] = 1, X = 0 -- 68c681 only has these */ -/* major index of 2 : ACR[7] = 0, X = 1 */ -/* major index of 3 : ACR[7] = 1, X = 1 */ - -/* mc68681_baud_table_t mc68681_baud_rate_table[4] = { */ -mc68681_baud_t mc68681_baud_rate_table[4][RTEMS_TERMIOS_NUMBER_BAUD_RATES] = { - { /* ACR[7] = 0, X = 0 */ - MC68681_BAUD_NOT_VALID, /* B0 */ - 0x00, /* B50 */ - MC68681_BAUD_NOT_VALID, /* B75 */ - 0x01, /* B110 */ - 0x02, /* B134 */ - MC68681_BAUD_NOT_VALID, /* B150 */ - 0x03, /* B200 */ - 0x04, /* B300 */ - 0x05, /* B600 */ - 0x06, /* B1200 */ - MC68681_BAUD_NOT_VALID, /* B1800 */ - 0x08, /* B2400 */ - 0x09, /* B4800 */ - 0x0B, /* B9600 */ - MC68681_BAUD_NOT_VALID, /* B19200 */ - 0x0C, /* B38400 */ - MC68681_BAUD_NOT_VALID, /* B57600 */ - MC68681_BAUD_NOT_VALID, /* B115200 */ - MC68681_BAUD_NOT_VALID, /* B230400 */ - MC68681_BAUD_NOT_VALID /* B460800 */ - }, - { /* ACR[7] = 1, X = 0 */ - MC68681_BAUD_NOT_VALID, /* B0 */ - MC68681_BAUD_NOT_VALID, /* B50 */ - 0x00, /* B75 */ - 0x01, /* B110 */ - 0x02, /* B134 */ - 0x03, /* B150 */ - MC68681_BAUD_NOT_VALID, /* B200 */ - 0x04, /* B300 */ - 0x05, /* B600 */ - 0x06, /* B1200 */ - 0x0A, /* B1800 */ - 0x08, /* B2400 */ - 0x09, /* B4800 */ - 0x0B, /* B9600 */ - 0x0C, /* B19200 */ - MC68681_BAUD_NOT_VALID, /* B38400 */ - MC68681_BAUD_NOT_VALID, /* B57600 */ - MC68681_BAUD_NOT_VALID, /* B115200 */ - MC68681_BAUD_NOT_VALID, /* B230400 */ - MC68681_BAUD_NOT_VALID /* B460800 */ - }, - { /* ACR[7] = 0, X = 1 */ - MC68681_BAUD_NOT_VALID, /* B0 */ - MC68681_BAUD_NOT_VALID, /* B50 */ - 0x00, /* B75 */ - 0x01, /* B110 */ - 0x02, /* B134 */ - 0x03, /* B150 */ - MC68681_BAUD_NOT_VALID, /* B200 */ - MC68681_BAUD_NOT_VALID, /* B300 */ - MC68681_BAUD_NOT_VALID, /* B600 */ - MC68681_BAUD_NOT_VALID, /* B1200 */ - 0x0A, /* B1800 */ - MC68681_BAUD_NOT_VALID, /* B2400 */ - 0x08, /* B4800 */ - 0x0B, /* B9600 */ - 0x0C, /* B19200 */ - MC68681_BAUD_NOT_VALID, /* B38400 */ - 0x07, /* B57600 */ - 0x08, /* B115200 */ - MC68681_BAUD_NOT_VALID, /* B230400 */ - MC68681_BAUD_NOT_VALID /* B460800 */ - }, - { /* ACR[7] = 1, X = 1 */ - MC68681_BAUD_NOT_VALID, /* B0 */ - 0x00, /* B50 */ - MC68681_BAUD_NOT_VALID, /* B75 */ - 0x01, /* B110 */ - 0x02, /* B134 */ - MC68681_BAUD_NOT_VALID, /* B150 */ - 0x03, /* B200 */ - MC68681_BAUD_NOT_VALID, /* B300 */ - MC68681_BAUD_NOT_VALID, /* B600 */ - MC68681_BAUD_NOT_VALID, /* B1200 */ - MC68681_BAUD_NOT_VALID, /* B1800 */ - MC68681_BAUD_NOT_VALID, /* B2400 */ - 0x09, /* B4800 */ - 0x0B, /* B9600 */ - MC68681_BAUD_NOT_VALID, /* B19200 */ - 0x0C, /* B38400 */ - 0x07, /* B57600 */ - 0x08, /* B115200 */ - MC68681_BAUD_NOT_VALID, /* B230400 */ - MC68681_BAUD_NOT_VALID /* B460800 */ - }, -}; - diff --git a/c/src/lib/libchip/serial/mc68681_p.h b/c/src/lib/libchip/serial/mc68681_p.h deleted file mode 100644 index 471b0ae42e..0000000000 --- a/c/src/lib/libchip/serial/mc68681_p.h +++ /dev/null @@ -1,317 +0,0 @@ -/* - * - * COPYRIGHT (c) 1989-1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef _MC68681_P_H_ -#define _MC68681_P_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Define MC68681_STATIC to nothing while debugging so the entry points - * will show up in the symbol table. - */ - -#define MC68681_STATIC - -/* #define MC68681_STATIC static */ - -/* - * mc68681 register offsets Read/Write Addresses - */ - -#define MC68681_MODE_REG_1A 0 /* MR1A-MR Prior to Read */ -#define MC68681_MODE_REG_2A 0 /* MR2A-MR After Read */ - -#define MC68681_COUNT_MODE_CURRENT_MSB 6 /* CTU */ -#define MC68681_COUNTER_TIMER_UPPER_REG 6 /* CTU */ -#define MC68681_COUNT_MODE_CURRENT_LSB 7 /* CTL */ -#define MC68681_COUNTER_TIMER_LOWER_REG 7 /* CTL */ -#define MC68681_INTERRUPT_VECTOR_REG 12 /* IVR */ - -#define MC68681_MODE_REG_1B 8 /* MR1B-MR Prior to Read */ -#define MC68681_MODE_REG_2B 8 /* MR2BA-MR After Read */ - -/* - * mc68681 register offsets Read Only Addresses - */ - -#define MC68681_STATUS_REG_A 1 /* SRA */ -#define MC68681_MASK_ISR_REG 2 /* MISR */ -#define MC68681_RECEIVE_BUFFER_A 3 /* RHRA */ -#define MC68681_INPUT_PORT_CHANGE_REG 4 /* IPCR */ -#define MC68681_INTERRUPT_STATUS_REG 5 /* ISR */ -#define MC68681_STATUS_REG_B 9 /* SRB */ -#define MC68681_RECEIVE_BUFFER_B 11 /* RHRB */ -#define MC68681_INPUT_PORT 13 /* IP */ -#define MC68681_START_COUNT_CMD 14 /* SCC */ -#define MC68681_STOP_COUNT_CMD 15 /* STC */ - -/* - * mc68681 register offsets Write Only Addresses - */ - -#define MC68681_CLOCK_SELECT_REG_A 1 /* CSRA */ -#define MC68681_COMMAND_REG_A 2 /* CRA */ -#define MC68681_TRANSMIT_BUFFER_A 3 /* THRA */ -#define MC68681_AUX_CTRL_REG 4 /* ACR */ -#define MC68681_INTERRUPT_MASK_REG 5 /* IMR */ -#define MC68681_CLOCK_SELECT_REG_B 9 /* CSRB */ -#define MC68681_COMMAND_REG_B 10 /* CRB */ -#define MC68681_TRANSMIT_BUFFER_B 11 /* THRB */ -#define MC68681_OUTPUT_PORT_CONFIG_REG 13 /* OPCR */ -#define MC68681_OUTPUT_PORT_SET_REG 14 /* SOPBC */ -#define MC68681_OUTPUT_PORT_RESET_BITS 15 /* COPBC */ - -/* - * DUART Command Register Definitions: - * - * MC68681_COMMAND_REG_A,MC68681_COMMAND_REG_B - */ - -#define MC68681_MODE_REG_ENABLE_RX 0x01 -#define MC68681_MODE_REG_DISABLE_RX 0x02 -#define MC68681_MODE_REG_ENABLE_TX 0x04 -#define MC68681_MODE_REG_DISABLE_TX 0x08 -#define MC68681_MODE_REG_RESET_MR_PTR 0x10 -#define MC68681_MODE_REG_RESET_RX 0x20 -#define MC68681_MODE_REG_RESET_TX 0x30 -#define MC68681_MODE_REG_RESET_ERROR 0x40 -#define MC68681_MODE_REG_RESET_BREAK 0x50 -#define MC68681_MODE_REG_START_BREAK 0x60 -#define MC68681_MODE_REG_STOP_BREAK 0x70 -#define MC68681_MODE_REG_SET_RX_BRG 0x80 -#define MC68681_MODE_REG_CLEAR_RX_BRG 0x90 -#define MC68681_MODE_REG_SET_TX_BRG 0xa0 -#define MC68681_MODE_REG_CLEAR_TX_BRG 0xb0 -#define MC68681_MODE_REG_SET_STANDBY 0xc0 -#define MC68681_MODE_REG_SET_ACTIVE 0xd0 - -/* - * Mode Register Definitions - * - * MC68681_MODE_REG_1A - * MC68681_MODE_REG_1B - */ - -#define MC68681_5BIT_CHARS 0x00 -#define MC68681_6BIT_CHARS 0x01 -#define MC68681_7BIT_CHARS 0x02 -#define MC68681_8BIT_CHARS 0x03 - -#define MC68681_ODD_PARITY 0x00 -#define MC68681_EVEN_PARITY 0x04 - -#define MC68681_WITH_PARITY 0x00 -#define MC68681_FORCE_PARITY 0x08 -#define MC68681_NO_PARITY 0x10 -#define MC68681_MULTI_DROP 0x18 - -#define MC68681_ERR_MODE_CHAR 0x00 -#define MC68681_ERR_MODE_BLOCK 0x20 - -#define MC68681_RX_INTR_RX_READY 0x00 -#define MC68681_RX_INTR_FFULL 0x40 - -#define MC68681_NO_RX_RTS_CTL 0x00 -#define MC68681_RX_RTS_CTRL 0x80 - -/* - * Mode Register Definitions - * - * MC68681_MODE_REG_2A - * MC68681_MODE_REG_2B - */ - -#define MC68681_STOP_BIT_LENGTH__563 0x00 -#define MC68681_STOP_BIT_LENGTH__625 0x01 -#define MC68681_STOP_BIT_LENGTH__688 0x02 -#define MC68681_STOP_BIT_LENGTH__75 0x03 -#define MC68681_STOP_BIT_LENGTH__813 0x04 -#define MC68681_STOP_BIT_LENGTH__875 0x05 -#define MC68681_STOP_BIT_LENGTH__938 0x06 -#define MC68681_STOP_BIT_LENGTH_1 0x07 -#define MC68681_STOP_BIT_LENGTH_1_563 0x08 -#define MC68681_STOP_BIT_LENGTH_1_625 0x09 -#define MC68681_STOP_BIT_LENGTH_1_688 0x0a -#define MC68681_STOP_BIT_LENGTH_1_75 0x0b -#define MC68681_STOP_BIT_LENGTH_1_813 0x0c -#define MC68681_STOP_BIT_LENGTH_1_875 0x0d -#define MC68681_STOP_BIT_LENGTH_1_938 0x0e -#define MC68681_STOP_BIT_LENGTH_2 0x0f - -#define MC68681_CTS_ENABLE_TX 0x10 -#define MC68681_TX_RTS_CTRL 0x20 - -#define MC68681_CHANNEL_MODE_NORMAL 0x00 -#define MC68681_CHANNEL_MODE_ECHO 0x40 -#define MC68681_CHANNEL_MODE_LOCAL_LOOP 0x80 -#define MC68681_CHANNEL_MODE_REMOTE_LOOP 0xc0 - -/* - * Status Register Definitions - * - * MC68681_STATUS_REG_A, MC68681_STATUS_REG_B - */ - -#define MC68681_RX_READY 0x01 -#define MC68681_FFULL 0x02 -#define MC68681_TX_READY 0x04 -#define MC68681_TX_EMPTY 0x08 -#define MC68681_OVERRUN_ERROR 0x10 -#define MC68681_PARITY_ERROR 0x20 -#define MC68681_FRAMING_ERROR 0x40 -#define MC68681_RECEIVED_BREAK 0x80 - -#define MC68681_RX_ERRORS \ - (MC68681_OVERRUN_ERROR|MC68681_PARITY_ERROR| \ - MC68681_FRAMING_ERROR|MC68681_RECEIVED_BREAK) - -/* - * Interupt Status Register Definitions. - * - * MC68681_INTERRUPT_STATUS_REG - */ - -/* - * Interupt Mask Register Definitions - * - * MC68681_INTERRUPT_MASK_REG - */ - -/* These are passed to mc68681_build_imr */ -#define MC68681_IR_TX_READY 0x01 -#define MC68681_IR_RX_READY 0x02 -#define MC68681_IR_BREAK 0x04 -#define MC68681_IMR_ENABLE_ALL 0x07 -#define MC68681_IMR_DISABLE_ALL 0x00 -#define MC68681_IMR_ENABLE_ALL_EXCEPT_TX 0x06 - -#define MC68681_IR_TX_READY_A 0x01 -#define MC68681_IR_RX_READY_A 0x02 -#define MC68681_IR_BREAK_A 0x04 -#define MC68681_IR_COUNTER_READY 0x08 -#define MC68681_IR_TX_READY_B 0x10 -#define MC68681_IR_RX_READY_B 0x20 -#define MC68681_IR_BREAK_B 0x40 -#define MC68681_IR_INPUT_PORT_CHANGE 0x80 - -/* - * Status Register Definitions. - * - * MC68681_STATUS_REG_A,MC68681_STATUS_REG_B - */ - -#define MC68681_STATUS_RXRDY 0x01 -#define MC68681_STATUS_FFULL 0x02 -#define MC68681_STATUS_TXRDY 0x04 -#define MC68681_STATUS_TXEMT 0x08 -#define MC68681_STATUS_OVERRUN_ERROR 0x10 -#define MC68681_STATUS_PARITY_ERROR 0x20 -#define MC68681_STATUS_FRAMING_ERROR 0x40 -#define MC68681_STATUS_RECEIVED_BREAK 0x80 - -/* - * Definitions for the Interrupt Vector Register: - * - * MC68681_INTERRUPT_VECTOR_REG - */ - -#define MC68681_INTERRUPT_VECTOR_INIT 0x0f - -/* - * Definitions for the Auxiliary Control Register - * - * MC68681_AUX_CTRL_REG - */ - -#define MC68681_AUX_BRG_SET1 0x00 -#define MC68681_AUX_BRG_SET2 0x80 - -/* - * Per chip context control - */ - -typedef struct _mc68681_context -{ - int mate; - unsigned char imr; -} mc68681_context; - -/* - * Driver functions - */ -MC68681_STATIC boolean mc68681_probe(int minor); - -MC68681_STATIC int mc68681_set_attributes( - int minor, - const struct termios *t -); - -MC68681_STATIC void mc68681_init(int minor); - -MC68681_STATIC int mc68681_open( - int major, - int minor, - void * arg -); - -MC68681_STATIC int mc68681_close( - int major, - int minor, - void * arg -); - -MC68681_STATIC void mc68681_write_polled( - int minor, - char cChar -); - -MC68681_STATIC void mc68681_initialize_interrupts(int minor); - -MC68681_STATIC int mc68681_write_support_int( - int minor, - const char *buf, - int len -); - -MC68681_STATIC int mc68681_write_support_polled( - int minor, - const char *buf, - int len - ); - -MC68681_STATIC int mc68681_inbyte_nonblocking_polled( - int minor -); - -MC68681_STATIC unsigned int mc68681_build_imr( - int minor, - int enable_flag -); - -MC68681_STATIC void mc68681_process( - int minor -); - -MC68681_STATIC void mc68681_enable_interrupts( - int minor, - int imr_mask -); - -#ifdef __cplusplus -} -#endif - -#endif /* _MC68681_P_H_ */ diff --git a/c/src/lib/libchip/serial/mc68681_reg.c b/c/src/lib/libchip/serial/mc68681_reg.c deleted file mode 100644 index 115bafdfe8..0000000000 --- a/c/src/lib/libchip/serial/mc68681_reg.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * This file contains a typical set of register access routines which may be - * used with the mc68681 chip if accesses to the chip are as follows: - * - * + registers are accessed as bytes - * + registers are only byte-aligned (no address gaps) - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems.h> - -#ifndef _MC68681_MULTIPLIER -#define _MC68681_MULTIPLIER 1 -#define _MC68681_NAME(_X) _X -#define _MC68681_TYPE unsigned8 -#endif - -#define CALCULATE_REGISTER_ADDRESS( _base, _reg ) \ - (_MC68681_TYPE *)((_base) + ((_reg) * _MC68681_MULTIPLIER )) - -/* - * MC68681 Get Register Routine - */ - -unsigned8 _MC68681_NAME(mc68681_get_register)( - unsigned32 ulCtrlPort, - unsigned8 ucRegNum -) -{ - _MC68681_TYPE *port; - - port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum ); - - return *port; -} - -/* - * MC68681 Set Register Routine - */ - -void _MC68681_NAME(mc68681_set_register)( - unsigned32 ulCtrlPort, - unsigned8 ucRegNum, - unsigned8 ucData -) -{ - _MC68681_TYPE *port; - - port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum ); - - *port = ucData; -} diff --git a/c/src/lib/libchip/serial/mc68681_reg2.c b/c/src/lib/libchip/serial/mc68681_reg2.c deleted file mode 100644 index f786ab5df5..0000000000 --- a/c/src/lib/libchip/serial/mc68681_reg2.c +++ /dev/null @@ -1,24 +0,0 @@ -/* - * This file contains a typical set of register access routines which may be - * used with the mc68681 chip if accesses to the chip are as follows: - * - * + registers are accessed as bytes - * + registers are on 16-bit boundaries - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#define _MC68681_MULTIPLIER 2 -#define _MC68681_NAME(_X) _X##_2 -#define _MC68681_TYPE unsigned8 - -#include "mc68681_reg.c" - diff --git a/c/src/lib/libchip/serial/mc68681_reg4.c b/c/src/lib/libchip/serial/mc68681_reg4.c deleted file mode 100644 index 075a9b2564..0000000000 --- a/c/src/lib/libchip/serial/mc68681_reg4.c +++ /dev/null @@ -1,24 +0,0 @@ -/* - * This file contains a typical set of register access routines which may be - * used with the mc68681 chip if accesses to the chip are as follows: - * - * + registers are accessed as bytes - * + registers are on 32-bit boundaries - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#define _MC68681_MULTIPLIER 4 -#define _MC68681_NAME(_X) _X##_4 -#define _MC68681_TYPE unsigned8 - -#include "mc68681_reg.c" - diff --git a/c/src/lib/libchip/serial/mc68681_reg8.c b/c/src/lib/libchip/serial/mc68681_reg8.c deleted file mode 100644 index b83ccd2b46..0000000000 --- a/c/src/lib/libchip/serial/mc68681_reg8.c +++ /dev/null @@ -1,24 +0,0 @@ -/* - * This file contains a typical set of register access routines which may be - * used with the mc68681 chip if accesses to the chip are as follows: - * - * + registers are accessed as bytes - * + registers are on 64-bit boundaries - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#define _MC68681_MULTIPLIER 8 -#define _MC68681_NAME(_X) _X##_8 -#define _MC68681_TYPE unsigned8 - -#include "mc68681_reg.c" - diff --git a/c/src/lib/libchip/serial/ns16550.c b/c/src/lib/libchip/serial/ns16550.c deleted file mode 100644 index af044eca91..0000000000 --- a/c/src/lib/libchip/serial/ns16550.c +++ /dev/null @@ -1,661 +0,0 @@ -/* - * This file contains the TTY driver for the National Semiconductor NS16550. - * - * This part is widely cloned and second sourced. It is found in a number - * of "Super IO" controllers. - * - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - * This driver uses the termios pseudo driver. - */ - -#include <rtems.h> -#include <rtems/libio.h> -#include <stdlib.h> -#include <ringbuf.h> - -#include <libchip/serial.h> -#include "ns16550_p.h" -#include "sersupp.h" - -/* - * Flow control is only supported when using interrupts - */ - -console_flow ns16550_flow_RTSCTS = { - ns16550_negate_RTS, /* deviceStopRemoteTx */ - ns16550_assert_RTS /* deviceStartRemoteTx */ -}; - -console_flow ns16550_flow_DTRCTS = { - ns16550_negate_DTR, /* deviceStopRemoteTx */ - ns16550_assert_DTR /* deviceStartRemoteTx */ -}; - -console_fns ns16550_fns = { - libchip_serial_default_probe, /* deviceProbe */ - ns16550_open, /* deviceFirstOpen */ - NULL, /* deviceLastClose */ - NULL, /* deviceRead */ - ns16550_write_support_int, /* deviceWrite */ - ns16550_initialize_interrupts, /* deviceInitialize */ - ns16550_write_polled, /* deviceWritePolled */ - ns16550_set_attributes, /* deviceSetAttributes */ - TRUE /* deviceOutputUsesInterrupts */ -}; - -console_fns ns16550_fns_polled = { - libchip_serial_default_probe, /* deviceProbe */ - ns16550_open, /* deviceFirstOpen */ - ns16550_close, /* deviceLastClose */ - ns16550_inbyte_nonblocking_polled, /* deviceRead */ - ns16550_write_support_polled, /* deviceWrite */ - ns16550_init, /* deviceInitialize */ - ns16550_write_polled, /* deviceWritePolled */ - ns16550_set_attributes, /* deviceSetAttributes */ - FALSE /* deviceOutputUsesInterrupts */ -}; - -extern void set_vector( rtems_isr_entry, rtems_vector_number, int ); - -/* - * ns16550_init - */ - -NS16550_STATIC void ns16550_init(int minor) -{ - unsigned32 pNS16550; - unsigned8 ucTrash; - unsigned8 ucDataByte; - unsigned32 ulBaudDivisor; - ns16550_context *pns16550Context; - setRegister_f setReg; - getRegister_f getReg; - - pns16550Context=(ns16550_context *)malloc(sizeof(ns16550_context)); - - Console_Port_Data[minor].pDeviceContext=(void *)pns16550Context; - pns16550Context->ucModemCtrl=SP_MODEM_IRQ; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - getReg = Console_Port_Tbl[minor].getRegister; - - /* Clear the divisor latch, clear all interrupt enables, - * and reset and - * disable the FIFO's. - */ - - (*setReg)(pNS16550, NS16550_LINE_CONTROL, 0x0); - ns16550_enable_interrupts(minor, NS16550_DISABLE_ALL_INTR); - - /* Set the divisor latch and set the baud rate. */ - - ulBaudDivisor=NS16550_Baud((unsigned32)Console_Port_Tbl[minor].pDeviceParams); - ucDataByte = SP_LINE_DLAB; - (*setReg)(pNS16550, NS16550_LINE_CONTROL, ucDataByte); - - /* XXX */ - (*setReg)(pNS16550, NS16550_TRANSMIT_BUFFER, ulBaudDivisor&0xff); - (*setReg)(pNS16550, NS16550_INTERRUPT_ENABLE, (ulBaudDivisor>>8)&0xff); - - /* Clear the divisor latch and set the character size to eight bits */ - /* with one stop bit and no parity checking. */ - ucDataByte = EIGHT_BITS; - (*setReg)(pNS16550, NS16550_LINE_CONTROL, ucDataByte); - - /* Enable and reset transmit and receive FIFOs. TJA */ - ucDataByte = SP_FIFO_ENABLE; - (*setReg)(pNS16550, NS16550_FIFO_CONTROL, ucDataByte); - - ucDataByte = SP_FIFO_ENABLE | SP_FIFO_RXRST | SP_FIFO_TXRST; - (*setReg)(pNS16550, NS16550_FIFO_CONTROL, ucDataByte); - - ns16550_enable_interrupts(minor, NS16550_DISABLE_ALL_INTR); - - /* Set data terminal ready. */ - /* And open interrupt tristate line */ - (*setReg)(pNS16550, NS16550_MODEM_CONTROL,pns16550Context->ucModemCtrl); - - ucTrash = (*getReg)(pNS16550, NS16550_LINE_STATUS ); - ucTrash = (*getReg)(pNS16550, NS16550_RECEIVE_BUFFER ); -} - -/* - * ns16550_open - */ - -NS16550_STATIC int ns16550_open( - int major, - int minor, - void * arg -) -{ - /* - * Assert DTR - */ - - if(Console_Port_Tbl[minor].pDeviceFlow != &ns16550_flow_DTRCTS) { - ns16550_assert_DTR(minor); - } - - return(RTEMS_SUCCESSFUL); -} - -/* - * ns16550_close - */ - -NS16550_STATIC int ns16550_close( - int major, - int minor, - void * arg -) -{ - /* - * Negate DTR - */ - if(Console_Port_Tbl[minor].pDeviceFlow != &ns16550_flow_DTRCTS) { - ns16550_negate_DTR(minor); - } - - return(RTEMS_SUCCESSFUL); -} - -/* - * ns16550_write_polled - */ - -NS16550_STATIC void ns16550_write_polled( - int minor, - char cChar -) -{ - unsigned32 pNS16550; - unsigned char ucLineStatus; - int iTimeout; - getRegister_f getReg; - setRegister_f setReg; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - getReg = Console_Port_Tbl[minor].getRegister; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * wait for transmitter holding register to be empty - */ - iTimeout=1000; - ucLineStatus = (*getReg)(pNS16550, NS16550_LINE_STATUS); - while ((ucLineStatus & SP_LSR_THOLD) == 0) { - /* - * Yield while we wait - */ -#if 0 - if(_System_state_Is_up(_System_state_Get())) { - rtems_task_wake_after(RTEMS_YIELD_PROCESSOR); - } -#endif - ucLineStatus = (*getReg)(pNS16550, NS16550_LINE_STATUS); - if(!--iTimeout) { - break; - } - } - - /* - * transmit character - */ - (*setReg)(pNS16550, NS16550_TRANSMIT_BUFFER, cChar); -} - -/* - * These routines provide control of the RTS and DTR lines - */ - -/* - * ns16550_assert_RTS - */ - -NS16550_STATIC int ns16550_assert_RTS(int minor) -{ - unsigned32 pNS16550; - unsigned32 Irql; - ns16550_context *pns16550Context; - setRegister_f setReg; - - pns16550Context=(ns16550_context *) Console_Port_Data[minor].pDeviceContext; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Assert RTS - */ - rtems_interrupt_disable(Irql); - pns16550Context->ucModemCtrl|=SP_MODEM_RTS; - (*setReg)(pNS16550, NS16550_MODEM_CONTROL, pns16550Context->ucModemCtrl); - rtems_interrupt_enable(Irql); - return 0; -} - -/* - * ns16550_negate_RTS - */ - -NS16550_STATIC int ns16550_negate_RTS(int minor) -{ - unsigned32 pNS16550; - unsigned32 Irql; - ns16550_context *pns16550Context; - setRegister_f setReg; - - pns16550Context=(ns16550_context *) Console_Port_Data[minor].pDeviceContext; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Negate RTS - */ - rtems_interrupt_disable(Irql); - pns16550Context->ucModemCtrl&=~SP_MODEM_RTS; - (*setReg)(pNS16550, NS16550_MODEM_CONTROL, pns16550Context->ucModemCtrl); - rtems_interrupt_enable(Irql); - return 0; -} - -/* - * These flow control routines utilise a connection from the local DTR - * line to the remote CTS line - */ - -/* - * ns16550_assert_DTR - */ - -NS16550_STATIC int ns16550_assert_DTR(int minor) -{ - unsigned32 pNS16550; - unsigned32 Irql; - ns16550_context *pns16550Context; - setRegister_f setReg; - - pns16550Context=(ns16550_context *) Console_Port_Data[minor].pDeviceContext; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Assert DTR - */ - rtems_interrupt_disable(Irql); - pns16550Context->ucModemCtrl|=SP_MODEM_DTR; - (*setReg)(pNS16550, NS16550_MODEM_CONTROL, pns16550Context->ucModemCtrl); - rtems_interrupt_enable(Irql); - return 0; -} - -/* - * ns16550_negate_DTR - */ - -NS16550_STATIC int ns16550_negate_DTR(int minor) -{ - unsigned32 pNS16550; - unsigned32 Irql; - ns16550_context *pns16550Context; - setRegister_f setReg; - - pns16550Context=(ns16550_context *) Console_Port_Data[minor].pDeviceContext; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Negate DTR - */ - rtems_interrupt_disable(Irql); - pns16550Context->ucModemCtrl&=~SP_MODEM_DTR; - (*setReg)(pNS16550, NS16550_MODEM_CONTROL,pns16550Context->ucModemCtrl); - rtems_interrupt_enable(Irql); - return 0; -} - -/* - * ns16550_set_attributes - * - * This function sets the channel to reflect the requested termios - * port settings. - */ - -NS16550_STATIC int ns16550_set_attributes( - int minor, - const struct termios *t -) -{ - unsigned32 pNS16550; - unsigned32 ulBaudDivisor; - unsigned8 ucLineControl; - unsigned32 baud_requested; - setRegister_f setReg; - getRegister_f getReg; - unsigned32 Irql; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - getReg = Console_Port_Tbl[minor].getRegister; - - /* - * Calculate the baud rate divisor - */ - - baud_requested = t->c_cflag & CBAUD; - if (!baud_requested) - baud_requested = B9600; /* default to 9600 baud */ - - ulBaudDivisor = NS16550_Baud(termios_baud_to_number(baud_requested)); - - ucLineControl = 0; - - /* - * Parity - */ - - if (t->c_cflag & PARENB) { - ucLineControl |= SP_LINE_PAR; - if (!(t->c_cflag & PARODD)) - ucLineControl |= SP_LINE_ODD; - } - - /* - * Character Size - */ - - if (t->c_cflag & CSIZE) { - switch (t->c_cflag & CSIZE) { - case CS5: ucLineControl |= FIVE_BITS; break; - case CS6: ucLineControl |= SIX_BITS; break; - case CS7: ucLineControl |= SEVEN_BITS; break; - case CS8: ucLineControl |= EIGHT_BITS; break; - } - } else { - ucLineControl |= EIGHT_BITS; /* default to 9600,8,N,1 */ - } - - /* - * Stop Bits - */ - - if (t->c_cflag & CSTOPB) { - ucLineControl |= SP_LINE_STOP; /* 2 stop bits */ - } else { - ; /* 1 stop bit */ - } - - /* - * Now actually set the chip - */ - - rtems_interrupt_disable(Irql); - - /* - * Set the baud rate - */ - - (*setReg)(pNS16550, NS16550_LINE_CONTROL, SP_LINE_DLAB); - /* XXX are these registers right? */ - (*setReg)(pNS16550, NS16550_TRANSMIT_BUFFER, ulBaudDivisor&0xff); - (*setReg)(pNS16550, NS16550_INTERRUPT_ENABLE, (ulBaudDivisor>>8)&0xff); - - /* - * Now write the line control - */ - (*setReg)(pNS16550, NS16550_LINE_CONTROL, ucLineControl ); - - rtems_interrupt_enable(Irql); - - return 0; -} - -/* - * ns16550_process - * - * This routine is the console interrupt handler for A port. - */ - -NS16550_STATIC void ns16550_process( - int minor -) -{ - unsigned32 pNS16550; - volatile unsigned8 ucLineStatus; - volatile unsigned8 ucInterruptId; - unsigned char cChar; - getRegister_f getReg; - setRegister_f setReg; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - getReg = Console_Port_Tbl[minor].getRegister; - setReg = Console_Port_Tbl[minor].setRegister; - - do { - /* - * Deal with any received characters - */ - while(TRUE) { - ucLineStatus = (*getReg)(pNS16550, NS16550_LINE_STATUS); - if(~ucLineStatus & SP_LSR_RDY) { - break; - } - cChar = (*getReg)(pNS16550, NS16550_RECEIVE_BUFFER); - rtems_termios_enqueue_raw_characters( - Console_Port_Data[minor].termios_data, - &cChar, - 1 - ); - } - - /* - * TX all the characters we can - */ - - while(TRUE) { - ucLineStatus = (*getReg)(pNS16550, NS16550_LINE_STATUS); - if(~ucLineStatus & SP_LSR_THOLD) { - /* - * We'll get another interrupt when - * the transmitter holding reg. becomes - * free again - */ - break; - } - -#if 0 - /* XXX flow control not completely supported in libchip */ - - if(Console_Port_Tbl[minor].pDeviceFlow != &ns16550_flow_RTSCTS) { - ns16550_negate_RTS(minor); - } -#endif - - rtems_termios_dequeue_characters(Console_Port_Data[minor].termios_data, 1); - if (rtems_termios_dequeue_characters( - Console_Port_Data[minor].termios_data, 1)) { - if (Console_Port_Tbl[minor].pDeviceFlow != &ns16550_flow_RTSCTS) { - ns16550_negate_RTS(minor); - } - Console_Port_Data[minor].bActive = FALSE; - ns16550_enable_interrupts(minor, NS16550_ENABLE_ALL_INTR_EXCEPT_TX); - break; - } - - ucInterruptId = (*getReg)(pNS16550, NS16550_INTERRUPT_ID); - } - } while((ucInterruptId&0xf)!=0x1); -} - -/* - * ns16550_isr - */ - -NS16550_STATIC rtems_isr ns16550_isr( - rtems_vector_number vector -) -{ - int minor; - - for(minor=0;minor<Console_Port_Count;minor++) { - if(Console_Port_Tbl[minor].ulIntVector == vector && - Console_Port_Tbl[minor].deviceType == SERIAL_NS16550 ) { - ns16550_process(minor); - } - } -} - -/* - * ns16550_enable_interrupts - * - * This routine initializes the port to have the specified interrupts masked. - */ - -NS16550_STATIC void ns16550_enable_interrupts( - int minor, - int mask -) -{ - unsigned32 pNS16550; - setRegister_f setReg; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - (*setReg)(pNS16550, NS16550_INTERRUPT_ENABLE, mask); -} - -/* - * ns16550_initialize_interrupts - * - * This routine initializes the port to operate in interrupt driver mode. - */ - -NS16550_STATIC void ns16550_initialize_interrupts(int minor) -{ - ns16550_init(minor); - - Console_Port_Data[minor].bActive = FALSE; - - set_vector(ns16550_isr, Console_Port_Tbl[minor].ulIntVector, 1); - - ns16550_enable_interrupts(minor, NS16550_ENABLE_ALL_INTR); -} - -/* - * ns16550_write_support_int - * - * Console Termios output entry point. - */ - -NS16550_STATIC int ns16550_write_support_int( - int minor, - const char *buf, - int len -) -{ - unsigned32 Irql; - unsigned32 pNS16550; - setRegister_f setReg; - - setReg = Console_Port_Tbl[minor].setRegister; - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - - /* - * We are using interrupt driven output and termios only sends us - * one character at a time. - */ - - if ( !len ) - return 0; - - if(Console_Port_Tbl[minor].pDeviceFlow != &ns16550_flow_RTSCTS) { - ns16550_assert_RTS(minor); - } - - rtems_interrupt_disable(Irql); - if ( Console_Port_Data[minor].bActive == FALSE) { - Console_Port_Data[minor].bActive = TRUE; - ns16550_enable_interrupts(minor, NS16550_ENABLE_ALL_INTR); - } - (*setReg)(pNS16550, NS16550_TRANSMIT_BUFFER, *buf); - rtems_interrupt_enable(Irql); - - return 1; -} - -/* - * ns16550_write_support_polled - * - * Console Termios output entry point. - * - */ - -NS16550_STATIC int ns16550_write_support_polled( - int minor, - const char *buf, - int len -) -{ - int nwrite = 0; - - /* - * poll each byte in the string out of the port. - */ - while (nwrite < len) { - /* - * transmit character - */ - ns16550_write_polled(minor, *buf++); - nwrite++; - } - - /* - * return the number of bytes written. - */ - return nwrite; -} - -/* - * ns16550_inbyte_nonblocking_polled - * - * Console Termios polling input entry point. - */ - -NS16550_STATIC int ns16550_inbyte_nonblocking_polled( - int minor -) -{ - unsigned32 pNS16550; - unsigned char ucLineStatus; - char cChar; - getRegister_f getReg; - - pNS16550 = Console_Port_Tbl[minor].ulCtrlPort1; - getReg = Console_Port_Tbl[minor].getRegister; - - ucLineStatus = (*getReg)(pNS16550, NS16550_LINE_STATUS); - if(ucLineStatus & SP_LSR_RDY) { - cChar = (*getReg)(pNS16550, NS16550_RECEIVE_BUFFER); - return (int)cChar; - } else { - return -1; - } -} diff --git a/c/src/lib/libchip/serial/ns16550.h b/c/src/lib/libchip/serial/ns16550.h deleted file mode 100644 index cb01d20a85..0000000000 --- a/c/src/lib/libchip/serial/ns16550.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - */ - -#ifndef _NS16550_H_ -#define _NS16550_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Driver function table - */ - -extern console_fns ns16550_fns; -extern console_fns ns16550_fns_polled; - -/* - * Flow control function tables - */ - -extern console_flow ns16550_flow_RTSCTS; -extern console_flow ns16550_flow_DTRCTS; - -#ifdef __cplusplus -} -#endif - -#endif /* _NS16550_H_ */ diff --git a/c/src/lib/libchip/serial/ns16550_p.h b/c/src/lib/libchip/serial/ns16550_p.h deleted file mode 100644 index 27c3502a0d..0000000000 --- a/c/src/lib/libchip/serial/ns16550_p.h +++ /dev/null @@ -1,238 +0,0 @@ -/* - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - * $Id$ - */ - -#ifndef _NS16550_P_H_ -#define _NS16550_P_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Define NS16550_STATIC to nothing while debugging so the entry points - * will show up in the symbol table. - */ - -#define NS16550_STATIC - -/* #define NS16550_STATIC static */ - -/* - * Define serial port read registers structure. - */ - -typedef volatile struct _SP_READ_REGISTERS { - unsigned char ReceiveBuffer; - unsigned char InterruptEnable; - unsigned char InterruptId; - unsigned char LineControl; - unsigned char ModemControl; - unsigned char LineStatus; - unsigned char ModemStatus; - unsigned char ScratchPad; -} SP_READ_REGISTERS, *PSP_READ_REGISTERS; - -#define NS16550_RECEIVE_BUFFER 0 -#define NS16550_INTERRUPT_ENABLE 1 -#define NS16550_INTERRUPT_ID 2 -#define NS16550_LINE_CONTROL 3 -#define NS16550_MODEM_CONTROL 4 -#define NS16550_LINE_STATUS 5 -#define NS16550_MODEM_STATUS 6 -#define NS16550_SCRATCH_PAD 7 - -/* - * Define serial port write registers structure. - */ - -typedef volatile struct _SP_WRITE_REGISTERS { - unsigned char TransmitBuffer; - unsigned char InterruptEnable; - unsigned char FifoControl; - unsigned char LineControl; - unsigned char ModemControl; - unsigned char Reserved1; - unsigned char ModemStatus; - unsigned char ScratchPad; -} SP_WRITE_REGISTERS, *PSP_WRITE_REGISTERS; - -#define NS16550_TRANSMIT_BUFFER 0 -#define NS16550_FIFO_CONTROL 2 - -/* - * Define serial port interrupt enable register structure. - */ - -#define SP_INT_RX_ENABLE 0x01 -#define SP_INT_TX_ENABLE 0x02 -#define SP_INT_LS_ENABLE 0x04 -#define SP_INT_MS_ENABLE 0x08 - -#define NS16550_ENABLE_ALL_INTR (SP_INT_RX_ENABLE | SP_INT_TX_ENABLE) -#define NS16550_DISABLE_ALL_INTR 0x00 -#define NS16550_ENABLE_ALL_INTR_EXCEPT_TX (SP_INT_RX_ENABLE) - -/* - * Define serial port interrupt id register structure. - */ - -typedef struct _SP_INTERRUPT_ID { - unsigned char InterruptPending : 1; - unsigned char Identification : 3; - unsigned char Reserved1 : 2; - unsigned char FifoEnabled : 2; -} SP_INTERRUPT_ID, *PSP_INTERRUPT_ID; - -/* - * Define serial port fifo control register structure. - */ - -#define SP_FIFO_ENABLE 0x01 -#define SP_FIFO_RXRST 0x02 -#define SP_FIFO_TXRST 0x04 -#define SP_FIFO_DMA 0x08 -#define SP_FIFO_RXLEVEL 0xc0 - -/* - * Define serial port line control register structure. - */ - -#define SP_LINE_SIZE 0x03 -#define SP_LINE_STOP 0x04 -#define SP_LINE_PAR 0x08 -#define SP_LINE_ODD 0x10 -#define SP_LINE_STICK 0x20 -#define SP_LINE_BREAK 0x40 -#define SP_LINE_DLAB 0x80 - -/* - * Line status register character size definitions. - */ - -#define FIVE_BITS 0x0 /* five bits per character */ -#define SIX_BITS 0x1 /* six bits per character */ -#define SEVEN_BITS 0x2 /* seven bits per character */ -#define EIGHT_BITS 0x3 /* eight bits per character */ - -/* - * Line speed divisor definition. - */ - -#define NS16550_Baud(baud_rate) (115200/baud_rate) - -/* - * Define serial port modem control register structure. - */ - -#define SP_MODEM_DTR 0x01 -#define SP_MODEM_RTS 0x02 -#define SP_MODEM_IRQ 0x08 -#define SP_MODEM_LOOP 0x10 -#define SP_MODEM_DIV4 0x80 - -/* - * Define serial port line status register structure. - */ - -#define SP_LSR_RDY 0x01 -#define SP_LSR_EOVRUN 0x02 -#define SP_LSR_EPAR 0x04 -#define SP_LSR_EFRAME 0x08 -#define SP_LSR_BREAK 0x10 -#define SP_LSR_THOLD 0x20 -#define SP_LSR_TX 0x40 -#define SP_LSR_EFIFO 0x80 - -typedef struct _ns16550_context -{ - unsigned8 ucModemCtrl; -} ns16550_context; - -/* - * Driver functions - */ - -NS16550_STATIC boolean ns16550_probe(int minor); - -NS16550_STATIC void ns16550_init(int minor); - -NS16550_STATIC int ns16550_open( - int major, - int minor, - void * arg -); - -NS16550_STATIC int ns16550_close( - int major, - int minor, - void * arg -); - -NS16550_STATIC void ns16550_write_polled( - int minor, - char cChar -); - -NS16550_STATIC int ns16550_assert_RTS( - int minor -); - -NS16550_STATIC int ns16550_negate_RTS( - int minor -); - -NS16550_STATIC int ns16550_assert_DTR( - int minor -); - -NS16550_STATIC int ns16550_negate_DTR( - int minor -); - -NS16550_STATIC void ns16550_initialize_interrupts(int minor); - -NS16550_STATIC int ns16550_write_support_int( - int minor, - const char *buf, - int len -); - -NS16550_STATIC int ns16550_write_support_polled( - int minor, - const char *buf, - int len - ); - -NS16550_STATIC int ns16550_inbyte_nonblocking_polled( - int minor -); - -NS16550_STATIC void ns16550_enable_interrupts( - int minor, - int mask -); - -NS16550_STATIC int ns16550_set_attributes( - int minor, - const struct termios *t -); - -#ifdef __cplusplus -} -#endif - -#endif /* _NS16550_P_H_ */ diff --git a/c/src/lib/libchip/serial/serial.h b/c/src/lib/libchip/serial/serial.h deleted file mode 100644 index aa0e7f58aa..0000000000 --- a/c/src/lib/libchip/serial/serial.h +++ /dev/null @@ -1,152 +0,0 @@ -/* - * This file contains the TTY driver table definition - * - * This driver uses the termios pseudo driver. - * - * COPYRIGHT (c) 1989-1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef __LIBCHIP_SERIAL_h -#define __LIBCHIP_SERIAL_h - -#include <termios.h> - -/* - * Types for get and set register routines - */ - -typedef unsigned8 (*getRegister_f)(unsigned32 port, unsigned8 register); -typedef void (*setRegister_f)( - unsigned32 port, unsigned8 reg, unsigned8 value); -typedef unsigned8 (*getData_f)(unsigned32 port); -typedef void (*setData_f)(unsigned32 port, unsigned8 value); - -typedef struct _console_fns { - boolean (*deviceProbe)(int minor); - int (*deviceFirstOpen)(int major, int minor, void *arg); - int (*deviceLastClose)(int major, int minor, void *arg); - int (*deviceRead)(int minor); - int (*deviceWrite)(int minor, const char *buf, int len); - void (*deviceInitialize)(int minor); - void (*deviceWritePolled)(int minor, char cChar); - int (*deviceSetAttributes)(int minor, const struct termios *t); - int deviceOutputUsesInterrupts; -} console_fns; - -typedef struct _console_flow { - int (*deviceStopRemoteTx)(int minor); - int (*deviceStartRemoteTx)(int minor); -} console_flow; - -typedef enum { - SERIAL_MC68681, /* Motorola MC68681 or Exar 88681 */ - SERIAL_NS16550, /* National Semiconductor NS16550 */ - SERIAL_Z85C30, /* Zilog Z85C30 */ - SERIAL_CUSTOM /* BSP specific driver */ -} console_devs; - -/* - * Each field is interpreted thus: - * - * sDeviceName This is the name of the device. - * - * deviceType This indicates the chip type. It is especially important when - * multiple devices share the same interrupt vector and must be - * distinguished. - * - * pDeviceFns This is a pointer to the set of driver routines to use. - * - * pDeviceFlow This is a pointer to the set of flow control routines to - * use. Serial device drivers will typically supply RTSCTS - * and DTRCTS handshake routines for DCE to DCE communication, - * however for DCE to DTE communication, no such routines - * should be necessary as RTS will be driven automatically - * when the transmitter is active. - * - * ulMargin The high water mark in the input buffer is set to the buffer - * size less ulMargin. Once this level is reached, the driver's - * flow control routine used to stop the remote transmitter will - * be called. This figure should be greater than or equal to - * the number of stages of FIFO between the transmitter and - * receiver. - * - * NOTE: At the current time, this parameter is hard coded - * in termios and this number is ignored. - * - * ulHysteresis After the high water mark specified by ulMargin has been - * reached, the driver's routine to re-start the remote - * transmitter will be called once the level in the input - * buffer has fallen by ulHysteresis bytes. - * - * NOTE: At the current time, this parameter is hard coded - * in termios and this number is ignored. - * - * pDeviceParams This contains either device specific data or a pointer to a - * device specific structure containing additional information - * not provided in this table. - * - * ulCtrlPort1 This is the primary control port number for the device. This - * may be used to specify different instances of the same device - * type. - * - * ulCtrlPort2 This is the secondary control port number, of use when a given - * device has more than one available channel. - * - * ulDataPort This is the port number for the data port of the device - * - * getRegister This is the routine used to read register values. - * - * setRegister This is the routine used to write register values. - * - * getData This is the routine used to read the data register (RX). - * - * setData This is the routine used to write the data register (TX). - * - * ulClock This is the baud rate clock speed. - * - * ulIntVector This encodes the interrupt vector of the device. - */ - -typedef struct _console_tbl { - char *sDeviceName; - console_devs deviceType; - console_fns *pDeviceFns; - boolean (*deviceProbe)(int minor); - console_flow *pDeviceFlow; - unsigned32 ulMargin; - unsigned32 ulHysteresis; - void *pDeviceParams; - unsigned32 ulCtrlPort1; - unsigned32 ulCtrlPort2; - unsigned32 ulDataPort; - getRegister_f getRegister; - setRegister_f setRegister; - getData_f getData; - setData_f setData; - unsigned32 ulClock; - unsigned int ulIntVector; -} console_tbl; - -typedef struct _console_data { - void *termios_data; - volatile boolean bActive; - /* - * This field may be used for any purpose required by the driver - */ - void *pDeviceContext; -} console_data; - -extern console_tbl Console_Port_Tbl[]; -extern console_data Console_Port_Data[]; -extern unsigned long Console_Port_Count; - -#endif -/* end of include file */ diff --git a/c/src/lib/libchip/serial/serprobe.c b/c/src/lib/libchip/serial/serprobe.c deleted file mode 100644 index b76bbebe3c..0000000000 --- a/c/src/lib/libchip/serial/serprobe.c +++ /dev/null @@ -1,20 +0,0 @@ -/* - * $Id$ - */ - -#include <rtems.h> -#include <libchip/serial.h> -#include "sersupp.h" - -boolean libchip_serial_default_probe(int minor) -{ - /* - * If the configuration dependent probe has located the device then - * assume it is there - */ - - return TRUE; -} - - - diff --git a/c/src/lib/libchip/serial/sersupp.h b/c/src/lib/libchip/serial/sersupp.h deleted file mode 100644 index a996d53c7c..0000000000 --- a/c/src/lib/libchip/serial/sersupp.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * $Id$ - */ - -#ifndef __LIBCHIP_SERIAL_SUPPORT_h -#define __LIBCHIP_SERIAL_SUPPORT_h - -int termios_baud_to_index( - int termios_baud -); - -int termios_baud_to_number( - int termios_baud -); - -boolean libchip_serial_default_probe( - int minor -); - - -#endif -/* end of include file */ diff --git a/c/src/lib/libchip/serial/termios_baud2index.c b/c/src/lib/libchip/serial/termios_baud2index.c deleted file mode 100644 index b4bf3623a2..0000000000 --- a/c/src/lib/libchip/serial/termios_baud2index.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * $Id$ - */ - -#include <sys/termios.h> - -int termios_baud_to_index( - int termios_baud -) -{ - int baud_index; - - switch (termios_baud) { - case B0: baud_index = 0; break; - case B50: baud_index = 1; break; - case B75: baud_index = 2; break; - case B110: baud_index = 3; break; - case B134: baud_index = 4; break; - case B150: baud_index = 5; break; - case B200: baud_index = 6; break; - case B300: baud_index = 7; break; - case B600: baud_index = 8; break; - case B1200: baud_index = 9; break; - case B1800: baud_index = 10; break; - case B2400: baud_index = 11; break; - case B4800: baud_index = 12; break; - case B9600: baud_index = 13; break; - case B19200: baud_index = 14; break; - case B38400: baud_index = 15; break; - case B57600: baud_index = 16; break; - case B115200: baud_index = 17; break; - case B230400: baud_index = 18; break; - case B460800: baud_index = 19; break; - default: baud_index = -1; break; - } - - return baud_index; -} - diff --git a/c/src/lib/libchip/serial/termios_baud2num.c b/c/src/lib/libchip/serial/termios_baud2num.c deleted file mode 100644 index 9c2ddc047e..0000000000 --- a/c/src/lib/libchip/serial/termios_baud2num.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * $Id$ - */ - -#include <sys/termios.h> - -int termios_baud_to_number( - int termios_baud -) -{ - int baud; - - switch (termios_baud) { - case B0: baud = 0; break; - case B50: baud = 50; break; - case B75: baud = 75; break; - case B110: baud = 110; break; - case B134: baud = 135; break; - case B150: baud = 150; break; - case B200: baud = 200; break; - case B300: baud = 300; break; - case B600: baud = 600; break; - case B1200: baud = 1200; break; - case B1800: baud = 1800; break; - case B2400: baud = 2400; break; - case B4800: baud = 4800; break; - case B9600: baud = 9600; break; - case B19200: baud = 19200; break; - case B38400: baud = 38400; break; - case B57600: baud = 57600; break; - case B115200: baud = 115200; break; - case B230400: baud = 230400; break; - case B460800: baud = 460800; break; - default: baud = -1; break; - } - - return baud; -} - diff --git a/c/src/lib/libchip/serial/z85c30.c b/c/src/lib/libchip/serial/z85c30.c deleted file mode 100644 index b158887618..0000000000 --- a/c/src/lib/libchip/serial/z85c30.c +++ /dev/null @@ -1,889 +0,0 @@ -/* - * This file contains the console driver chip level routines for the - * Zilog z85c30 chip. - * - * The Zilog Z8530 is also available as: - * - * + Intel 82530 - * + AMD ??? - * - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems.h> -#include <rtems/libio.h> -#include <stdlib.h> - -#include <libchip/serial.h> -#include "z85c30_p.h" -#include "sersupp.h" - -/* - * Flow control is only supported when using interrupts - */ - -console_flow z85c30_flow_RTSCTS = { - z85c30_negate_RTS, /* deviceStopRemoteTx */ - z85c30_assert_RTS /* deviceStartRemoteTx */ -}; - -console_flow z85c30_flow_DTRCTS = { - z85c30_negate_DTR, /* deviceStopRemoteTx */ - z85c30_assert_DTR /* deviceStartRemoteTx */ -}; - -/* - * Exported driver function table - */ - -console_fns z85c30_fns = { - libchip_serial_default_probe, /* deviceProbe */ - z85c30_open, /* deviceFirstOpen */ - NULL, /* deviceLastClose */ - NULL, /* deviceRead */ - z85c30_write_support_int, /* deviceWrite */ - z85c30_initialize_interrupts, /* deviceInitialize */ - z85c30_write_polled, /* deviceWritePolled */ - NULL, /* deviceSetAttributes */ - TRUE /* deviceOutputUsesInterrupts */ -}; - -console_fns z85c30_fns_polled = { - libchip_serial_default_probe, /* deviceProbe */ - z85c30_open, /* deviceFirstOpen */ - z85c30_close, /* deviceLastClose */ - z85c30_inbyte_nonblocking_polled, /* deviceRead */ - z85c30_write_support_polled, /* deviceWrite */ - z85c30_init, /* deviceInitialize */ - z85c30_write_polled, /* deviceWritePolled */ - NULL, /* deviceSetAttributes */ - FALSE /* deviceOutputUsesInterrupts */ -}; - -extern void set_vector( rtems_isr_entry, rtems_vector_number, int ); - -/* - * z85c30_initialize_port - * - * initialize a z85c30 Port - */ - -Z85C30_STATIC void z85c30_initialize_port( - int minor -) -{ - unsigned32 ulCtrlPort; - unsigned32 ulBaudDivisor; - setRegister_f setReg; - - ulCtrlPort = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Using register 4 - * Set up the clock rate is 16 times the data - * rate, 8 bit sync char, 1 stop bit, no parity - */ - - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR4, SCC_WR4_1_STOP | SCC_WR4_16_CLOCK ); - - /* - * Set up for 8 bits/character on receive with - * receiver disable via register 3 - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR3, SCC_WR3_RX_8_BITS ); - - /* - * Set up for 8 bits/character on transmit - * with transmitter disable via register 5 - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR5, SCC_WR5_TX_8_BITS ); - - /* - * Clear misc control bits - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR10, 0x00 ); - - /* - * Setup the source of the receive and xmit - * clock as BRG output and the transmit clock - * as the output source for TRxC pin via register 11 - */ - (*setReg)( - ulCtrlPort, - SCC_WR0_SEL_WR11, - SCC_WR11_OUT_BR_GEN | SCC_WR11_TRXC_OI | - SCC_WR11_TX_BR_GEN | SCC_WR11_RX_BR_GEN - ); - - ulBaudDivisor = Z85C30_Baud( - (unsigned32) Console_Port_Tbl[minor].ulClock, - (unsigned32) Console_Port_Tbl[minor].pDeviceParams - ); - - /* - * Setup the lower 8 bits time constants=1E. - * If the time constans=1E, then the desire - * baud rate will be equilvalent to 9600, via register 12. - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR12, ulBaudDivisor & 0xff ); - - /* - * using register 13 - * Setup the upper 8 bits time constant - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR13, (ulBaudDivisor>>8) & 0xff ); - - /* - * Enable the baud rate generator enable with clock from the - * SCC's PCLK input via register 14. - */ - (*setReg)( - ulCtrlPort, - SCC_WR0_SEL_WR14, - SCC_WR14_BR_EN | SCC_WR14_BR_SRC | SCC_WR14_NULL - ); - - /* - * We are only interested in CTS state changes - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR15, SCC_WR15_CTS_IE ); - - /* - * Reset errors - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR0, SCC_WR0_RST_INT ); - - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR0, SCC_WR0_ERR_RST ); - - /* - * Enable the receiver via register 3 - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR3, SCC_WR3_RX_8_BITS | SCC_WR3_RX_EN ); - - /* - * Enable the transmitter pins set via register 5. - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR5, SCC_WR5_TX_8_BITS | SCC_WR5_TX_EN ); - - /* - * Disable interrupts - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR1, 0 ); - - /* - * Reset TX CRC - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR0, SCC_WR0_RST_TX_CRC ); - - /* - * Reset interrupts - */ - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR0, SCC_WR0_RST_INT ); -} - -/* - * z85c30_open - */ - -Z85C30_STATIC int z85c30_open( - int major, - int minor, - void *arg -) -{ - - z85c30_initialize_port(minor); - - /* - * Assert DTR - */ - - if (Console_Port_Tbl[minor].pDeviceFlow !=&z85c30_flow_DTRCTS) { - z85c30_assert_DTR(minor); - } - - return(RTEMS_SUCCESSFUL); -} - -/* - * z85c30_close - */ - -Z85C30_STATIC int z85c30_close( - int major, - int minor, - void *arg -) -{ - /* - * Negate DTR - */ - - if (Console_Port_Tbl[minor].pDeviceFlow !=&z85c30_flow_DTRCTS) { - z85c30_negate_DTR(minor); - } - - return(RTEMS_SUCCESSFUL); -} - -/* - * z85c30_init - */ - -Z85C30_STATIC void z85c30_init(int minor) -{ - unsigned32 ulCtrlPort; - unsigned8 dummy; - z85c30_context *pz85c30Context; - setRegister_f setReg; - getRegister_f getReg; - - setReg = Console_Port_Tbl[minor].setRegister; - getReg = Console_Port_Tbl[minor].getRegister; - - pz85c30Context = (z85c30_context *)malloc(sizeof(z85c30_context)); - - Console_Port_Data[minor].pDeviceContext = (void *)pz85c30Context; - - pz85c30Context->ucModemCtrl = SCC_WR5_TX_8_BITS | SCC_WR5_TX_EN; - - ulCtrlPort = Console_Port_Tbl[minor].ulCtrlPort1; - if ( ulCtrlPort == Console_Port_Tbl[minor].ulCtrlPort2 ) { - /* - * This is channel A - */ - /* - * Ensure port state machine is reset - */ - dummy = (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD0); - - (*setReg)(ulCtrlPort, SCC_WR0_SEL_WR9, SCC_WR9_CH_A_RST); - - } else { - /* - * This is channel B - */ - /* - * Ensure port state machine is reset - */ - dummy = (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD0); - - (*setReg)(ulCtrlPort, SCC_WR0_SEL_WR9, SCC_WR9_CH_B_RST); - } -} - -/* - * These routines provide control of the RTS and DTR lines - */ - -/* - * z85c30_assert_RTS - */ - -Z85C30_STATIC int z85c30_assert_RTS(int minor) -{ - rtems_interrupt_level Irql; - z85c30_context *pz85c30Context; - setRegister_f setReg; - - setReg = Console_Port_Tbl[minor].setRegister; - - pz85c30Context = (z85c30_context *) Console_Port_Data[minor].pDeviceContext; - - /* - * Assert RTS - */ - - rtems_interrupt_disable(Irql); - pz85c30Context->ucModemCtrl|=SCC_WR5_RTS; - (*setReg)( - Console_Port_Tbl[minor].ulCtrlPort1, - SCC_WR0_SEL_WR5, - pz85c30Context->ucModemCtrl - ); - rtems_interrupt_enable(Irql); - return 0; -} - -/* - * z85c30_negate_RTS - */ - -Z85C30_STATIC int z85c30_negate_RTS(int minor) -{ - rtems_interrupt_level Irql; - z85c30_context *pz85c30Context; - setRegister_f setReg; - - setReg = Console_Port_Tbl[minor].setRegister; - - pz85c30Context = (z85c30_context *) Console_Port_Data[minor].pDeviceContext; - - /* - * Negate RTS - */ - - rtems_interrupt_disable(Irql); - pz85c30Context->ucModemCtrl&=~SCC_WR5_RTS; - (*setReg)( - Console_Port_Tbl[minor].ulCtrlPort1, - SCC_WR0_SEL_WR5, - pz85c30Context->ucModemCtrl - ); - rtems_interrupt_enable(Irql); - return 0; -} - -/* - * These flow control routines utilise a connection from the local DTR - * line to the remote CTS line - */ - -/* - * z85c30_assert_DTR - */ - -Z85C30_STATIC int z85c30_assert_DTR(int minor) -{ - rtems_interrupt_level Irql; - z85c30_context *pz85c30Context; - setRegister_f setReg; - - setReg = Console_Port_Tbl[minor].setRegister; - - pz85c30Context = (z85c30_context *) Console_Port_Data[minor].pDeviceContext; - - /* - * Assert DTR - */ - - rtems_interrupt_disable(Irql); - pz85c30Context->ucModemCtrl|=SCC_WR5_DTR; - (*setReg)( - Console_Port_Tbl[minor].ulCtrlPort1, - SCC_WR0_SEL_WR5, - pz85c30Context->ucModemCtrl - ); - rtems_interrupt_enable(Irql); - return 0; -} - -/* - * z85c30_negate_DTR - */ - -Z85C30_STATIC int z85c30_negate_DTR(int minor) -{ - rtems_interrupt_level Irql; - z85c30_context *pz85c30Context; - setRegister_f setReg; - - setReg = Console_Port_Tbl[minor].setRegister; - - pz85c30Context = (z85c30_context *) Console_Port_Data[minor].pDeviceContext; - - /* - * Negate DTR - */ - - rtems_interrupt_disable(Irql); - pz85c30Context->ucModemCtrl&=~SCC_WR5_DTR; - (*setReg)( - Console_Port_Tbl[minor].ulCtrlPort1, - SCC_WR0_SEL_WR5, - pz85c30Context->ucModemCtrl - ); - rtems_interrupt_enable(Irql); - return 0; -} - -/* - * z85c30_set_attributes - * - * This function sets the SCC channel to reflect the requested termios - * port settings. - */ - -Z85C30_STATIC int z85c30_set_attributes( - int minor, - const struct termios *t -) -{ - unsigned32 ulCtrlPort; - unsigned32 ulBaudDivisor; - unsigned32 wr3; - unsigned32 wr4; - unsigned32 wr5; - int baud_requested; - setRegister_f setReg; - rtems_interrupt_level Irql; - - ulCtrlPort = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Calculate the baud rate divisor - */ - - baud_requested = t->c_cflag & CBAUD; - if (!baud_requested) - baud_requested = B9600; /* default to 9600 baud */ - - ulBaudDivisor = Z85C30_Baud( - (unsigned32) Console_Port_Tbl[minor].ulClock, - (unsigned32) termios_baud_to_number( baud_requested ) - ); - - wr3 = SCC_WR3_RX_EN; - wr4 = SCC_WR4_16_CLOCK; - wr5 = SCC_WR5_TX_EN; - - /* - * Parity - */ - - if (t->c_cflag & PARENB) { - wr4 |= SCC_WR4_PAR_EN; - if (!(t->c_cflag & PARODD)) - wr4 |= SCC_WR4_PAR_EVEN; - } - - /* - * Character Size - */ - - if (t->c_cflag & CSIZE) { - switch (t->c_cflag & CSIZE) { - case CS5: break; - case CS6: wr3 |= SCC_WR3_RX_6_BITS; wr5 |= SCC_WR5_TX_6_BITS; break; - case CS7: wr3 |= SCC_WR3_RX_7_BITS; wr5 |= SCC_WR5_TX_7_BITS; break; - case CS8: wr3 |= SCC_WR3_RX_8_BITS; wr5 |= SCC_WR5_TX_8_BITS; break; - } - } else { - wr3 |= SCC_WR3_RX_8_BITS; /* default to 9600,8,N,1 */ - wr5 |= SCC_WR5_TX_8_BITS; /* default to 9600,8,N,1 */ - } - - /* - * Stop Bits - */ - - if (t->c_cflag & CSTOPB) { - wr4 |= SCC_WR4_2_STOP; /* 2 stop bits */ - } else { - wr4 |= SCC_WR4_1_STOP; /* 1 stop bits */ - } - - /* - * Now actually set the chip - */ - - rtems_interrupt_disable(Irql); - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR4, wr4 ); - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR3, wr3 ); - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR5, wr5 ); - - /* - * Setup the lower 8 bits time constants=1E. - * If the time constans=1E, then the desire - * baud rate will be equilvalent to 9600, via register 12. - */ - - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR12, ulBaudDivisor & 0xff ); - - /* - * using register 13 - * Setup the upper 8 bits time constant - */ - - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR13, (ulBaudDivisor>>8) & 0xff ); - - rtems_interrupt_enable(Irql); - - return 0; -} - -/* - * z85c30_process - * - * This is the per port ISR handler. - */ - -Z85C30_STATIC void z85c30_process( - int minor, - unsigned8 ucIntPend -) -{ - unsigned32 ulCtrlPort; - volatile unsigned8 z85c30_status; - unsigned char cChar; - setRegister_f setReg; - getRegister_f getReg; - - ulCtrlPort = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - getReg = Console_Port_Tbl[minor].getRegister; - - /* - * Deal with any received characters - */ - - while (ucIntPend&SCC_RR3_B_RX_IP) - { - z85c30_status = (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD0); - if (!Z85C30_Status_Is_RX_character_available(z85c30_status)) { - break; - } - - /* - * Return the character read. - */ - - cChar = (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD8); - - rtems_termios_enqueue_raw_characters( - Console_Port_Data[minor].termios_data, - &cChar, - 1 - ); - } - - /* - * There could be a race condition here if there is not yet a TX - * interrupt pending but the buffer is empty. This condition has - * been seen before on other z8530 drivers but has not been seen - * with this one. The typical solution is to use "vector includes - * status" or to only look at the interrupts actually pending - * in RR3. - */ - - while (TRUE) { - z85c30_status = (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD0); - if (!Z85C30_Status_Is_TX_buffer_empty(z85c30_status)) { - /* - * We'll get another interrupt when - * the transmitter holding reg. becomes - * free again and we are clear to send - */ - break; - } - -#if 0 - if (!Z85C30_Status_Is_CTS_asserted(z85c30_status)) { - /* - * We can't transmit yet - */ - (*setReg)(ulCtrlPort, SCC_WR0_SEL_WR0, SCC_WR0_RST_TX_INT); - /* - * The next state change of CTS will wake us up - */ - break; - } -#endif - - rtems_termios_dequeue_characters(Console_Port_Data[minor].termios_data, 1); - if (rtems_termios_dequeue_characters( - Console_Port_Data[minor].termios_data, 1)) { - if (Console_Port_Tbl[minor].pDeviceFlow != &z85c30_flow_RTSCTS) { - z85c30_negate_RTS(minor); - } - Console_Port_Data[minor].bActive = FALSE; - z85c30_enable_interrupts(minor, SCC_ENABLE_ALL_INTR_EXCEPT_TX); - (*setReg)(ulCtrlPort, SCC_WR0_SEL_WR0, SCC_WR0_RST_TX_INT); - break; - } - - } - - if (ucIntPend & SCC_RR3_B_EXT_IP) { - /* - * Clear the external status interrupt - */ - (*setReg)(ulCtrlPort, SCC_WR0_SEL_WR0, SCC_WR0_RST_INT); - z85c30_status = (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD0); - } - - /* - * Reset interrupts - */ - (*setReg)(ulCtrlPort, SCC_WR0_SEL_WR0, SCC_WR0_RST_HI_IUS); -} - -/* - * z85c30_isr - * - * This is the ISR handler for each Z8530. - */ - -Z85C30_STATIC rtems_isr z85c30_isr( - rtems_vector_number vector -) -{ - int minor; - unsigned32 ulCtrlPort; - volatile unsigned8 ucIntPend; - volatile unsigned8 ucIntPendPort; - getRegister_f getReg; - - for (minor=0;minor<Console_Port_Count;minor++) { - if(Console_Port_Tbl[minor].ulIntVector == vector && - Console_Port_Tbl[minor].deviceType == SERIAL_Z85C30 ) { - ulCtrlPort = Console_Port_Tbl[minor].ulCtrlPort2; - getReg = Console_Port_Tbl[minor].getRegister; - do { - ucIntPend = (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD3); - - /* - * If this is channel A select channel A status - */ - - if (ulCtrlPort == Console_Port_Tbl[minor].ulCtrlPort1) { - ucIntPendPort = ucIntPend>>3; - ucIntPendPort = ucIntPendPort&=7; - } else { - ucIntPendPort = ucIntPend &= 7; - } - - if (ucIntPendPort) { - z85c30_process(minor, ucIntPendPort); - } - } while (ucIntPendPort); - } - } -} - -/* - * z85c30_enable_interrupts - * - * This routine enables the specified interrupts for this minor. - */ - -Z85C30_STATIC void z85c30_enable_interrupts( - int minor, - int interrupt_mask -) -{ - unsigned32 ulCtrlPort; - setRegister_f setReg; - - ulCtrlPort = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - (*setReg)(ulCtrlPort, SCC_WR0_SEL_WR1, interrupt_mask); -} - -/* - * z85c30_initialize_interrupts - * - * This routine initializes the port to use interrupts. - */ - -Z85C30_STATIC void z85c30_initialize_interrupts( - int minor -) -{ - unsigned32 ulCtrlPort1; - unsigned32 ulCtrlPort2; - setRegister_f setReg; - - ulCtrlPort1 = Console_Port_Tbl[minor].ulCtrlPort1; - ulCtrlPort2 = Console_Port_Tbl[minor].ulCtrlPort2; - setReg = Console_Port_Tbl[minor].setRegister; - - - z85c30_init(minor); - - Console_Port_Data[minor].bActive=FALSE; - - z85c30_initialize_port( minor ); - - if (Console_Port_Tbl[minor].pDeviceFlow != &z85c30_flow_RTSCTS) { - z85c30_negate_RTS(minor); - } - - set_vector(z85c30_isr, Console_Port_Tbl[minor].ulIntVector, 1); - - z85c30_enable_interrupts(minor, SCC_ENABLE_ALL_INTR_EXCEPT_TX); - - (*setReg)(ulCtrlPort1, SCC_WR0_SEL_WR2, 0); /* XXX vector */ - (*setReg)(ulCtrlPort1, SCC_WR0_SEL_WR9, SCC_WR9_MIE); - - /* - * Reset interrupts - */ - - (*setReg)(ulCtrlPort1, SCC_WR0_SEL_WR0, SCC_WR0_RST_INT); -} - -/* - * z85c30_write_support_int - * - * Console Termios output entry point. - * - */ - -Z85C30_STATIC int z85c30_write_support_int( - int minor, - const char *buf, - int len) -{ - unsigned32 Irql; - unsigned32 ulCtrlPort; - setRegister_f setReg; - - ulCtrlPort = Console_Port_Tbl[minor].ulCtrlPort1; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * We are using interrupt driven output and termios only sends us - * one character at a time. - */ - - if ( !len ) - return 0; - - /* - * Put the character out and enable interrupts if necessary. - */ - - if (Console_Port_Tbl[minor].pDeviceFlow != &z85c30_flow_RTSCTS) { - z85c30_assert_RTS(minor); - } - rtems_interrupt_disable(Irql); - if ( Console_Port_Data[minor].bActive == FALSE) { - Console_Port_Data[minor].bActive = TRUE; - z85c30_enable_interrupts(minor, SCC_ENABLE_ALL_INTR); - } - (*setReg)(ulCtrlPort, SCC_WR0_SEL_WR8, *buf); - rtems_interrupt_enable(Irql); - - return 1; -} - -/* - * z85c30_inbyte_nonblocking_polled - * - * This routine polls for a character. - */ - -Z85C30_STATIC int z85c30_inbyte_nonblocking_polled( - int minor -) -{ - volatile unsigned8 z85c30_status; - unsigned32 ulCtrlPort; - getRegister_f getReg; - - ulCtrlPort = Console_Port_Tbl[minor].ulCtrlPort1; - getReg = Console_Port_Tbl[minor].getRegister; - - /* - * return -1 if a character is not available. - */ - z85c30_status = (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD0); - if (!Z85C30_Status_Is_RX_character_available(z85c30_status)) { - return -1; - } - - /* - * Return the character read. - */ - - return (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD8); -} - -/* - * z85c30_write_support_polled - * - * Console Termios output entry point. - * - */ - -Z85C30_STATIC int z85c30_write_support_polled( - int minor, - const char *buf, - int len) -{ - int nwrite=0; - - /* - * poll each byte in the string out of the port. - */ - while (nwrite < len) { - z85c30_write_polled(minor, *buf++); - nwrite++; - } - - /* - * return the number of bytes written. - */ - return nwrite; -} - -/* - * z85c30_write_polled - * - * This routine transmits a character using polling. - */ - -Z85C30_STATIC void z85c30_write_polled( - int minor, - char cChar -) -{ - volatile unsigned8 z85c30_status; - unsigned32 ulCtrlPort; - getRegister_f getReg; - setRegister_f setReg; - - ulCtrlPort = Console_Port_Tbl[minor].ulCtrlPort1; - getReg = Console_Port_Tbl[minor].getRegister; - setReg = Console_Port_Tbl[minor].setRegister; - - /* - * Wait for the Transmit buffer to indicate that it is empty. - */ - - z85c30_status = (*getReg)( ulCtrlPort, SCC_WR0_SEL_RD0 ); - - while (!Z85C30_Status_Is_TX_buffer_empty(z85c30_status)) { - /* - * Yield while we wait - */ -#if 0 - if (_System_state_Is_up(_System_state_Get())) { - rtems_task_wake_after(RTEMS_YIELD_PROCESSOR); - } -#endif - z85c30_status = (*getReg)(ulCtrlPort, SCC_WR0_SEL_RD0); - } - - /* - * Write the character. - */ - - (*setReg)( ulCtrlPort, SCC_WR0_SEL_WR8, cChar ); -} - diff --git a/c/src/lib/libchip/serial/z85c30.h b/c/src/lib/libchip/serial/z85c30.h deleted file mode 100644 index f1beeef5e0..0000000000 --- a/c/src/lib/libchip/serial/z85c30.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * This include file contains all console driver definitions for the - * Zilog z85c30. - * - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id: - */ - -#ifndef __Z85C30_H -#define __Z85C30_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Driver function table - */ - -extern console_fns z85c30_fns; -extern console_fns z85c30_fns_polled; - -/* - * Flow control function tables - */ - -extern console_flow z85c30_flow_RTSCTS; -extern console_flow z85c30_flow_DTRCTS; - -/* - * Default register access routines - */ - -unsigned8 z85c30_get_register( /* registers are byte-wide */ - unsigned32 ulCtrlPort, - unsigned8 ucRegNum -); - -void z85c30_set_register( - unsigned32 ulCtrlPort, - unsigned8 ucRegNum, - unsigned8 ucData -); - -unsigned8 z85c30_get_data( - unsigned32 ulDataPort -); - -void z85c30_set_data( - unsigned32 ulDataPort, - unsigned8 ucData -); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/c/src/lib/libchip/serial/z85c30_p.h b/c/src/lib/libchip/serial/z85c30_p.h deleted file mode 100644 index 0076fbeaef..0000000000 --- a/c/src/lib/libchip/serial/z85c30_p.h +++ /dev/null @@ -1,410 +0,0 @@ -/* - * This include file contains all private driver definitions for the - * Zilog z85c30. - * - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef __Z85C30_P_H -#define __Z85C30_P_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Define Z85C30_STATIC to nothing while debugging so the entry points - * will show up in the symbol table. - */ - -#define Z85C30_STATIC - -/* #define Z85C30_STATIC static */ - -/* bit values for write register 0 */ -/* command register */ - -#define SCC_WR0_SEL_WR0 0x00 -#define SCC_WR0_SEL_WR1 0x01 -#define SCC_WR0_SEL_WR2 0x02 -#define SCC_WR0_SEL_WR3 0x03 -#define SCC_WR0_SEL_WR4 0x04 -#define SCC_WR0_SEL_WR5 0x05 -#define SCC_WR0_SEL_WR6 0x06 -#define SCC_WR0_SEL_WR7 0x07 -#define SCC_WR0_SEL_WR8 0x08 -#define SCC_WR0_SEL_WR9 0x09 -#define SCC_WR0_SEL_WR10 0x0a -#define SCC_WR0_SEL_WR11 0x0b -#define SCC_WR0_SEL_WR12 0x0c -#define SCC_WR0_SEL_WR13 0x0d -#define SCC_WR0_SEL_WR14 0x0e -#define SCC_WR0_SEL_WR15 0x0f -#define SCC_WR0_SEL_RD0 0x00 -#define SCC_WR0_SEL_RD1 0x01 -#define SCC_WR0_SEL_RD2 0x02 -#define SCC_WR0_SEL_RD3 0x03 -#define SCC_WR0_SEL_RD4 0x04 -#define SCC_WR0_SEL_RD5 0x05 -#define SCC_WR0_SEL_RD6 0x06 -#define SCC_WR0_SEL_RD7 0x07 -#define SCC_WR0_SEL_RD8 0x08 -#define SCC_WR0_SEL_RD9 0x09 -#define SCC_WR0_SEL_RD10 0x0a -#define SCC_WR0_SEL_RD11 0x0b -#define SCC_WR0_SEL_RD12 0x0c -#define SCC_WR0_SEL_RD13 0x0d -#define SCC_WR0_SEL_RD14 0x0e -#define SCC_WR0_SEL_RD15 0x0f -#define SCC_WR0_NULL_CODE 0x00 -#define SCC_WR0_RST_INT 0x10 -#define SCC_WR0_SEND_ABORT 0x18 -#define SCC_WR0_EN_INT_RX 0x20 -#define SCC_WR0_RST_TX_INT 0x28 -#define SCC_WR0_ERR_RST 0x30 -#define SCC_WR0_RST_HI_IUS 0x38 -#define SCC_WR0_RST_RX_CRC 0x40 -#define SCC_WR0_RST_TX_CRC 0x80 -#define SCC_WR0_RST_TX_UND 0xc0 - -/* write register 2 */ -/* interrupt vector */ - -/* bit values for write register 1 */ -/* tx/rx interrupt and data transfer mode definition */ - -#define SCC_WR1_EXT_INT_EN 0x01 -#define SCC_WR1_TX_INT_EN 0x02 -#define SCC_WR1_PARITY 0x04 -#define SCC_WR1_RX_INT_DIS 0x00 -#define SCC_WR1_RX_INT_FIR 0x08 -#define SCC_WR1_INT_ALL_RX 0x10 -#define SCC_WR1_RX_INT_SPE 0x18 -#define SCC_WR1_RDMA_RECTR 0x20 -#define SCC_WR1_RDMA_FUNC 0x40 -#define SCC_WR1_RDMA_EN 0x80 - -#define SCC_ENABLE_ALL_INTR \ - (SCC_WR1_EXT_INT_EN | SCC_WR1_TX_INT_EN | SCC_WR1_INT_ALL_RX) - -#define SCC_DISABLE_ALL_INTR 0x00 - -#define SCC_ENABLE_ALL_INTR_EXCEPT_TX \ - (SCC_WR1_EXT_INT_EN | SCC_WR1_INT_ALL_RX) - -/* bit values for write register 3 */ -/* receive parameters and control */ - -#define SCC_WR3_RX_EN 0x01 -#define SCC_WR3_SYNC_CHAR 0x02 -#define SCC_WR3_ADR_SEARCH 0x04 -#define SCC_WR3_RX_CRC_EN 0x08 -#define SCC_WR3_ENTER_HUNT 0x10 -#define SCC_WR3_AUTO_EN 0x20 -#define SCC_WR3_RX_5_BITS 0x00 -#define SCC_WR3_RX_7_BITS 0x40 -#define SCC_WR3_RX_6_BITS 0x80 -#define SCC_WR3_RX_8_BITS 0xc0 - -/* bit values for write register 4 */ -/* tx/rx misc parameters and modes */ - -#define SCC_WR4_PAR_EN 0x01 -#define SCC_WR4_PAR_EVEN 0x02 -#define SCC_WR4_SYNC_EN 0x00 -#define SCC_WR4_1_STOP 0x04 -#define SCC_WR4_2_STOP 0x0c -#define SCC_WR4_8_SYNC 0x00 -#define SCC_WR4_16_SYNC 0x10 -#define SCC_WR4_SDLC 0x20 -#define SCC_WR4_EXT_SYNC 0x30 -#define SCC_WR4_1_CLOCK 0x00 -#define SCC_WR4_16_CLOCK 0x40 -#define SCC_WR4_32_CLOCK 0x80 -#define SCC_WR4_64_CLOCK 0xc0 - -/* bit values for write register 5 */ -/* transmit parameter and controls */ - -#define SCC_WR5_TX_CRC_EN 0x01 -#define SCC_WR5_RTS 0x02 -#define SCC_WR5_SDLC 0x04 -#define SCC_WR5_TX_EN 0x08 -#define SCC_WR5_SEND_BRK 0x10 - -#define SCC_WR5_TX_5_BITS 0x00 -#define SCC_WR5_TX_7_BITS 0x20 -#define SCC_WR5_TX_6_BITS 0x40 -#define SCC_WR5_TX_8_BITS 0x60 -#define SCC_WR5_DTR 0x80 - -/* write register 6 */ -/* sync chars or sdlc address field */ - -/* write register 7 */ -/* sync char or sdlc flag */ - -/* write register 8 */ -/* transmit buffer */ - -/* bit values for write register 9 */ -/* master interrupt control */ - -#define SCC_WR9_VIS 0x01 -#define SCC_WR9_NV 0x02 -#define SCC_WR9_DLC 0x04 -#define SCC_WR9_MIE 0x08 -#define SCC_WR9_STATUS_HI 0x10 -#define SCC_WR9_NO_RST 0x00 -#define SCC_WR9_CH_B_RST 0x40 -#define SCC_WR9_CH_A_RST 0x80 -#define SCC_WR9_HDWR_RST 0xc0 - -/* bit values for write register 10 */ -/* misc tx/rx control bits */ - -#define SCC_WR10_6_BIT_SYNC 0x01 -#define SCC_WR10_LOOP_MODE 0x02 -#define SCC_WR10_ABORT_UND 0x04 -#define SCC_WR10_MARK_IDLE 0x08 -#define SCC_WR10_ACT_POLL 0x10 -#define SCC_WR10_NRZ 0x00 -#define SCC_WR10_NRZI 0x20 -#define SCC_WR10_FM1 0x40 -#define SCC_WR10_FM0 0x60 -#define SCC_WR10_CRC_PRESET 0x80 - -/* bit values for write register 11 */ -/* clock mode control */ - -#define SCC_WR11_OUT_XTAL 0x00 -#define SCC_WR11_OUT_TX_CLK 0x01 -#define SCC_WR11_OUT_BR_GEN 0x02 -#define SCC_WR11_OUT_DPLL 0x03 -#define SCC_WR11_TRXC_OI 0x04 -#define SCC_WR11_TX_RTXC 0x00 -#define SCC_WR11_TX_TRXC 0x08 -#define SCC_WR11_TX_BR_GEN 0x10 -#define SCC_WR11_TX_DPLL 0x18 -#define SCC_WR11_RX_RTXC 0x00 -#define SCC_WR11_RX_TRXC 0x20 -#define SCC_WR11_RX_BR_GEN 0x40 -#define SCC_WR11_RX_DPLL 0x60 -#define SCC_WR11_RTXC_XTAL 0x80 - -/* write register 12 */ -/* lower byte of baud rate generator time constant */ - -/* write register 13 */ -/* upper byte of baud rate generator time constant */ - -/* bit values for write register 14 */ -/* misc control bits */ - -#define SCC_WR14_BR_EN 0x01 -#define SCC_WR14_BR_SRC 0x02 -#define SCC_WR14_DTR_FUNC 0x04 -#define SCC_WR14_AUTO_ECHO 0x08 -#define SCC_WR14_LCL_LOOP 0x10 -#define SCC_WR14_NULL 0x00 -#define SCC_WR14_SEARCH 0x20 -#define SCC_WR14_RST_CLK 0x40 -#define SCC_WR14_DIS_DPLL 0x60 -#define SCC_WR14_SRC_BR 0x80 -#define SCC_WR14_SRC_RTXC 0xa0 -#define SCC_WR14_FM_MODE 0xc0 -#define SCC_WR14_NRZI 0xe0 - -/* bit values for write register 15 */ -/* external/status interrupt control */ - -#define SCC_WR15_ZERO_CNT 0x02 -#define SCC_WR15_CD_IE 0x08 -#define SCC_WR15_SYNC_IE 0x10 -#define SCC_WR15_CTS_IE 0x20 -#define SCC_WR15_TX_UND_IE 0x40 -#define SCC_WR15_BREAK_IE 0x80 - -/* bit values for read register 0 */ -/* tx/rx buffer status and external status */ - -#define SCC_RR0_RX_AVAIL 0x01 -#define SCC_RR0_ZERO_CNT 0x02 -#define SCC_RR0_TX_EMPTY 0x04 -#define SCC_RR0_CD 0x08 -#define SCC_RR0_SYNC 0x10 -#define SCC_RR0_CTS 0x20 -#define SCC_RR0_TX_UND 0x40 -#define SCC_RR0_BREAK 0x80 - -/* bit values for read register 1 */ - -#define SCC_RR1_ALL_SENT 0x01 -#define SCC_RR1_RES_CD_2 0x02 -#define SCC_RR1_RES_CD_1 0x01 -#define SCC_RR1_RES_CD_0 0x08 -#define SCC_RR1_PAR_ERR 0x10 -#define SCC_RR1_RX_OV_ERR 0x20 -#define SCC_RR1_CRC_ERR 0x40 -#define SCC_RR1_END_FRAME 0x80 - -/* read register 2 */ -/* interrupt vector */ - -/* bit values for read register 3 */ -/* interrupt pending register */ - -#define SCC_RR3_B_EXT_IP 0x01 -#define SCC_RR3_B_TX_IP 0x02 -#define SCC_RR3_B_RX_IP 0x04 -#define SCC_RR3_A_EXT_IP 0x08 -#define SCC_RR3_A_TX_IP 0x10 -#define SCC_RR3_A_RX_IP 0x20 - -/* read register 8 */ -/* receive data register */ - -/* bit values for read register 10 */ -/* misc status bits */ - -#define SCC_RR10_ON_LOOP 0x02 -#define SCC_RR10_LOOP_SEND 0x10 -#define SCC_RR10_2_CLK_MIS 0x40 -#define SCC_RR10_1_CLK_MIS 0x80 - -/* read register 12 */ -/* lower byte of time constant */ - -/* read register 13 */ -/* upper byte of time constant */ - -/* bit values for read register 15 */ -/* external/status ie bits */ - -#define SCC_RR15_ZERO_CNT 0x02 -#define SCC_RR15_CD_IE 0x08 -#define SCC_RR15_SYNC_IE 0x10 -#define SCC_RR15_CTS_IE 0x20 -#define SCC_RR15_TX_UND_IE 0x40 -#define SCC_RR15_BREAK_IE 0x80 - -typedef struct _z85c30_context -{ - unsigned8 ucModemCtrl; -} z85c30_context; - -/* - * The following macro calculates the Baud constant. For the Z85C30 chip. - * - * Note: baud constant = ((clock frequency / Clock_X) / (2 * Baud Rate)) - 2 - * eg ((10,000,000 / 16) / (2 * Baud Rate)) - 2 - */ - -#define Z85C30_Baud( _clock, _baud_rate ) \ - ( ((_clock) /( 16 * 2 * _baud_rate)) - 2) - -#define Z85C30_Status_Is_RX_character_available(_status) \ - ((_status) & SCC_RR0_RX_AVAIL) - -#define Z85C30_Status_Is_TX_buffer_empty(_status) \ - ((_status) & SCC_RR0_TX_EMPTY) - -#define Z85C30_Status_Is_CTS_asserted(_status) \ - ((_status) & SCC_RR0_CTS) - -#define Z85C30_Status_Is_break_abort(_status) \ - ((_status) & SCC_RR0_BREAK) - -/* - * Private routines - */ - -Z85C30_STATIC void z85c30_init(int minor); - -Z85C30_STATIC int z85c30_set_attributes( - int minor, - const struct termios *t -); - -Z85C30_STATIC int z85c30_open( - int major, - int minor, - void * arg -); - -Z85C30_STATIC int z85c30_close( - int major, - int minor, - void * arg -); - -Z85C30_STATIC void z85c30_write_polled( - int minor, - char cChar -); - -Z85C30_STATIC int z85c30_assert_RTS( - int minor -); - -Z85C30_STATIC int z85c30_negate_RTS( - int minor -); - -Z85C30_STATIC int z85c30_assert_DTR( - int minor -); - -Z85C30_STATIC int z85c30_negate_DTR( - int minor -); - -Z85C30_STATIC void z85c30_initialize_interrupts(int minor); - -Z85C30_STATIC int z85c30_write_support_int( - int minor, - const char *buf, - int len -); - -Z85C30_STATIC int z85c30_write_support_polled( - int minor, - const char *buf, - int len -); - -Z85C30_STATIC int z85c30_inbyte_nonblocking_polled( - int minor -); - -Z85C30_STATIC void z85c30_enable_interrupts( - int minor, - int interrupt_mask -); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/c/src/lib/libchip/serial/z85c30_reg.c b/c/src/lib/libchip/serial/z85c30_reg.c deleted file mode 100644 index 889dad4530..0000000000 --- a/c/src/lib/libchip/serial/z85c30_reg.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * This file contains a typical set of register access routines which may be - * used with the z85c30 chip if accesses to the chip are as follows: - * - * + registers are accessed as bytes - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems.h> - -#ifndef _Z85C30_MULTIPLIER -#define _Z85C30_MULTIPLIER 1 -#define _Z85C30_NAME(_X) _X -#define _Z85C30_TYPE unsigned8 -#endif - -/* - * Z85C30 Get Register Routine - */ - -unsigned8 _Z85C30_NAME(z85c30_get_register)( - unsigned32 ulCtrlPort, - unsigned8 ucRegNum -) -{ - _Z85C30_TYPE *port; - unsigned8 data; - rtems_interrupt_level level; - - port = (_Z85C30_TYPE *)ulCtrlPort; - - rtems_interrupt_disable(level); - - if(ucRegNum) { - *port = ucRegNum; - } - data = *port; - rtems_interrupt_enable(level); - - return data; -} - -/* - * Z85C30 Set Register Routine - */ - -void _Z85C30_NAME(z85c30_set_register)( - unsigned32 ulCtrlPort, - unsigned8 ucRegNum, - unsigned8 ucData -) -{ - _Z85C30_TYPE *port; - rtems_interrupt_level level; - - port = (_Z85C30_TYPE *)ulCtrlPort; - - rtems_interrupt_disable(level); - if(ucRegNum) { - *port = ucRegNum; - } - *port = ucData; - rtems_interrupt_enable(level); -} |