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