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unneback |
/*
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* This file contains the TTY driver table for the DY-4 DMV177.
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*
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* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994, 1997.
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* On-Line Applications Research Corporation (OAR).
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* All rights assigned to U.S. Government, 1994.
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*
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* $Id: conscfg.c,v 1.2 2001-09-27 12:00:32 chris Exp $
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*/
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#include <bsp.h>
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#include <libchip/serial.h>
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#include <libchip/mc68681.h>
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#include <libchip/z85c30.h>
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/*
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* Configuration specific probe routines
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*
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*
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* NOTE: There are no DMV177 specific configuration routines. These
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* routines could be written to dynamically determine which serial
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* ports are on a board. Debugging this would require access to
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* multiple board models.
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*/
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/* NONE CURRENTLY PROVIDED */
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/*
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* The following table configures the console drivers used in this BSP.
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*
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* The first entry which, when probed, is available, will be named /dev/console,
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* all others being given the name indicated.
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*/
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mc68681_baud_t
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dmv177_mc68681_baud_table[4][RTEMS_TERMIOS_NUMBER_BAUD_RATES] = {
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{ /* ACR[7] = 0, X = 0 */
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MC68681_BAUD_NOT_VALID, /* B0 */
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MC68681_BAUD_NOT_VALID, /* B50 */
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0x01, /* B75 */
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MC68681_BAUD_NOT_VALID, /* B110 */
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0x03, /* B134 */
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MC68681_BAUD_NOT_VALID, /* B150 */
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0x04, /* B200 */
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MC68681_BAUD_NOT_VALID, /* B300 */
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MC68681_BAUD_NOT_VALID, /* B600 */
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MC68681_BAUD_NOT_VALID, /* B1200 */
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MC68681_BAUD_NOT_VALID, /* B1800 */
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MC68681_BAUD_NOT_VALID, /* B2400 */
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0x0A, /* B4800 */
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MC68681_BAUD_NOT_VALID, /* B9600 */
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MC68681_BAUD_NOT_VALID, /* B19200 */
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MC68681_BAUD_NOT_VALID, /* B38400 */
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MC68681_BAUD_NOT_VALID, /* B57600 */
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MC68681_BAUD_NOT_VALID, /* B115200 */
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MC68681_BAUD_NOT_VALID, /* B230400 */
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MC68681_BAUD_NOT_VALID /* B460800 */
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},
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{ /* ACR[7] = 1, X = 0 */
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MC68681_BAUD_NOT_VALID, /* B0 */
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0x00, /* B50 */
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0x01, /* B75 */
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MC68681_BAUD_NOT_VALID, /* B110 */
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MC68681_BAUD_NOT_VALID, /* B134 */
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MC68681_BAUD_NOT_VALID, /* B150 */
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0x04, /* B200 */
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MC68681_BAUD_NOT_VALID, /* B300 */
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MC68681_BAUD_NOT_VALID, /* B600 */
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0x0A, /* B1200 */
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MC68681_BAUD_NOT_VALID, /* B1800 */
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MC68681_BAUD_NOT_VALID, /* B2400 */
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MC68681_BAUD_NOT_VALID, /* B4800 */
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MC68681_BAUD_NOT_VALID, /* B9600 */
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MC68681_BAUD_NOT_VALID, /* B19200 */
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MC68681_BAUD_NOT_VALID, /* B38400 */
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MC68681_BAUD_NOT_VALID, /* B57600 */
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MC68681_BAUD_NOT_VALID, /* B115200 */
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MC68681_BAUD_NOT_VALID, /* B230400 */
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MC68681_BAUD_NOT_VALID /* B460800 */
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},
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{ /* ACR[7] = 0, X = 1 */
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MC68681_BAUD_NOT_VALID, /* B0 */
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0x00, /* B50 */
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0x01, /* B75 */
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MC68681_BAUD_NOT_VALID, /* B110 */
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MC68681_BAUD_NOT_VALID, /* B134 */
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MC68681_BAUD_NOT_VALID, /* B150 */
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MC68681_BAUD_NOT_VALID, /* B200 */
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MC68681_BAUD_NOT_VALID, /* B300 */
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MC68681_BAUD_NOT_VALID, /* B600 */
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MC68681_BAUD_NOT_VALID, /* B1200 */
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MC68681_BAUD_NOT_VALID, /* B1800 */
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0x04, /* B2400 */
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MC68681_BAUD_NOT_VALID, /* B4800 */
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0x05, /* B9600 */
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0x06, /* B19200 */
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0x07, /* B38400 */
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MC68681_BAUD_NOT_VALID, /* B57600 */
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MC68681_BAUD_NOT_VALID, /* B115200 */
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MC68681_BAUD_NOT_VALID, /* B230400 */
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MC68681_BAUD_NOT_VALID /* B460800 */
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},
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{ /* ACR[7] = 1, X = 1 */
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MC68681_BAUD_NOT_VALID, /* B0 */
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MC68681_BAUD_NOT_VALID, /* B50 */
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0x01, /* B75 */
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MC68681_BAUD_NOT_VALID, /* B110 */
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0x03, /* B134 */
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MC68681_BAUD_NOT_VALID, /* B150 */
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MC68681_BAUD_NOT_VALID, /* B200 */
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MC68681_BAUD_NOT_VALID, /* B300 */
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MC68681_BAUD_NOT_VALID, /* B600 */
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MC68681_BAUD_NOT_VALID, /* B1200 */
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MC68681_BAUD_NOT_VALID, /* B1800 */
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0x04, /* B2400 */
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0x0A, /* B4800 */
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0x05, /* B9600 */
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0x06, /* B19200 */
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0x07, /* B38400 */
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MC68681_BAUD_NOT_VALID, /* B57600 */
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MC68681_BAUD_NOT_VALID, /* B115200 */
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MC68681_BAUD_NOT_VALID, /* B230400 */
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MC68681_BAUD_NOT_VALID /* B460800 */
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},
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};
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#define MC68681_PORT_CONFIG \
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(MC68681_DATA_BAUD_RATE_SET_1|MC68681_XBRG_ENABLED)
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/*
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* Based on BSP configuration information decide whether to do polling IO
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* or interrupt driven IO.
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*/
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#if (CONSOLE_USE_INTERRUPTS)
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#define MC68681_FUNCTIONS &mc68681_fns
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#define Z85C30_FUNCTIONS &z85c30_fns
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#else
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#define MC68681_FUNCTIONS &mc68681_fns_polled
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#define Z85C30_FUNCTIONS &z85c30_fns_polled
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#endif
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boolean dmv177_z85c30_probe(int minor);
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boolean dmv177_mc68681_probe(int minor);
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console_tbl Console_Port_Tbl[] = {
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{
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"/dev/com0", /* sDeviceName */
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SERIAL_MC68681, /* deviceType */
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MC68681_FUNCTIONS, /* pDeviceFns */
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dmv177_mc68681_probe, /* deviceProbe */
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NULL, /* pDeviceFlow */
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16, /* ulMargin */
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8, /* ulHysteresis */
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(void *)9600, /* baud rate */ /* pDeviceParams */
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MC68681_ADDR, /* ulCtrlPort1 */
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MC68681_PORT1_ADDR, /* ulCtrlPort2 */
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MC68681_PORT_CONFIG, /* ulDataPort */
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mc68681_get_register_8, /* getRegister */
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mc68681_set_register_8, /* setRegister */
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NULL, /* unused */ /* getData */
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NULL, /* unused */ /* setData */
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(unsigned32)dmv177_mc68681_baud_table, /* ulClock */
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DMV170_DUART_IRQ /* ulIntVector */
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},
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{
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"/dev/com1", /* sDeviceName */
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SERIAL_MC68681, /* deviceType */
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MC68681_FUNCTIONS, /* pDeviceFns */
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dmv177_mc68681_probe, /* deviceProbe */
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NULL, /* pDeviceFlow */
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16, /* ulMargin */
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8, /* ulHysteresis */
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(void *)9600, /* baud rate */ /* pDeviceParams */
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MC68681_ADDR, /* ulCtrlPort1 */
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MC68681_PORT2_ADDR, /* ulCtrlPort2 */
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MC68681_PORT_CONFIG, /* ulDataPort */
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mc68681_get_register_8, /* getRegister */
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mc68681_set_register_8, /* setRegister */
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NULL, /* unused */ /* getData */
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NULL, /* unused */ /* setData */
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(unsigned32)dmv177_mc68681_baud_table, /* ulClock */
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DMV170_DUART_IRQ /* ulIntVector */
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},
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{
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"/dev/com3", /* sDeviceName */
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SERIAL_Z85C30, /* deviceType */
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Z85C30_FUNCTIONS, /* pDeviceFns */
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dmv177_z85c30_probe, /* deviceProbe */
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NULL, /* pDeviceFlow */
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16, /* ulMargin */
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8, /* ulHysteresis */
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(void *)9600, /* baud rate */ /* pDeviceParams */
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Z85C30_CTRL_A, /* ulCtrlPort1 */
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Z85C30_CTRL_A, /* ulCtrlPort2 */
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0, /* ulDataPort */
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z85c30_get_register, /* getRegister */
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z85c30_set_register, /* setRegister */
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NULL, /* getData */
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NULL, /* setData */
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0, /* filled in by probe */ /* ulClock */
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DMV170_SCC_IRQ /* ulIntVector */
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},
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{
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"/dev/com4", /* sDeviceName */
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SERIAL_Z85C30, /* deviceType */
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Z85C30_FUNCTIONS, /* pDeviceFns */
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dmv177_z85c30_probe, /* deviceProbe */
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NULL, /* pDeviceFlow */
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16, /* ulMargin */
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8, /* ulHysteresis */
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(void *)9600, /* baud rate */ /* pDeviceParams */
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Z85C30_CTRL_B, /* ulCtrlPort1 */
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Z85C30_CTRL_A, /* ulCtrlPort2 */
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0, /* ulDataPort */
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z85c30_get_register, /* getRegister */
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z85c30_set_register, /* setRegister */
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NULL, /* getData */
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NULL, /* setData */
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0, /* filled in by probe */ /* ulClock */
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DMV170_SCC_IRQ /* ulIntVector */
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}
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};
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/*
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* Declare some information used by the console driver
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*/
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#define NUM_CONSOLE_PORTS (sizeof(Console_Port_Tbl)/sizeof(console_tbl))
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unsigned long Console_Port_Count = NUM_CONSOLE_PORTS;
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console_data Console_Port_Data[NUM_CONSOLE_PORTS];
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rtems_device_minor_number Console_Port_Minor;
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/*
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* Hopefully, by checking the card resource register, this BSP
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* will be able to operate on the DMV171, DMV176, or DMV177.
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*/
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boolean dmv177_z85c30_probe(int minor)
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{
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volatile unsigned32 *dma_control_status_reg;
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volatile unsigned16 *card_resource_reg;
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unsigned16 v;
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card_resource_reg = (volatile unsigned16 *) DMV170_CARD_RESORCE_REG;
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v = *card_resource_reg & DMV170_SCC_INST_MASK;
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if ( v != DMV170_SCC_INSTALLED )
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return FALSE;
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/*
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* Figure out the clock speed of the Z85C30 SCC
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*/
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dma_control_status_reg = (volatile unsigned32 *)DMV170_DMA_CONTROL_STATUS_REG;
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if ( *dma_control_status_reg & DMV170_SCC_10MHZ )
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Console_Port_Tbl[minor].ulClock = Z85C30_CLOCK_10;
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else
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Console_Port_Tbl[minor].ulClock = Z85C30_CLOCK_2;
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return TRUE;
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}
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boolean dmv177_mc68681_probe(int minor)
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{
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volatile unsigned16 *card_resource_reg;
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unsigned16 v;
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card_resource_reg = (volatile unsigned16 *) DMV170_CARD_RESORCE_REG;
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v = *card_resource_reg & DMV170_DUART_INST_MASK;
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if ( v == DMV170_DUART_INSTALLED )
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return TRUE;
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return FALSE;
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}
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