rtems_device_driver console_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
rtems_status_code status;
rtems_termios_initialize();
/*
* Register Device Names
*/
status = rtems_io_register_name( "/dev/console", major, 0 );
if (status != RTEMS_SUCCESSFUL)
rtems_fatal_error_occurred(status);
status = rtems_io_register_name( "/dev/console_b", major, 1 );
if (status != RTEMS_SUCCESSFUL)
rtems_fatal_error_occurred(status);
/*
* Initialize Hardware
*/
LEON_REG.UART_Control_1 |= LEON_REG_UART_CTRL_RE | LEON_REG_UART_CTRL_TE;
LEON_REG.UART_Control_2 |= LEON_REG_UART_CTRL_RE | LEON_REG_UART_CTRL_TE |
LEON_REG_UART_CTRL_RI; /* rx irq default enable for remote debugger */
LEON_REG.UART_Status_1 = 0;
LEON_REG.UART_Status_2 = 0;
#if (CONSOLE_USE_INTERRUPTS)
console_initialize_interrupts();
#endif
return RTEMS_SUCCESSFUL;
}
/* PAGE
*
* console_initialize
*
* Routine called to initialize the console device driver.
*/
rtems_device_driver console_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
rtems_status_code status;
rtems_device_minor_number console;
int port, chip, p0,p1;
/*
* initialize the termio interface.
*/
rtems_termios_initialize();
/*
* Register Device Names
*/
console = USE_FOR_CONSOLE;
status = rtems_io_register_name( "/dev/console", major, console );
if (status != RTEMS_SUCCESSFUL)
rtems_fatal_error_occurred(status);
/*
* Initialize Hardware
*/
/*
* INITIALIZE_COM_PORTS is defined in the linker script. If it is
* true all serial chips on the board are to be reset at startup
* otherwise the reset is assumed to occur elsewhere (ie. in the
* debugger...)
*/
#if ( INITIALIZE_COM_PORTS )
/*
* Force to perform a hardware reset w/o
* Master interrupt enable via register 9
*/
for (port=0; port<NUM_Z85C30_PORTS; port++){
p0 = port;
port++;
p1 = port;
Reset_85c30_chip( Ports_85C30[p0].ctrl, Ports_85C30[p1].ctrl );
}
#else
/* TEMP - To see if this makes a diff with the new ports.
* Never reset chip 1 when using the chip as a monitor
*/
for (port=2; port<NUM_Z85C30_PORTS; port++){
p0 = port;
port++;
p1 = port;
Reset_85c30_chip( Ports_85C30[p0].ctrl, Ports_85C30[p1].ctrl );
}
#endif
/*
* Initialize each port.
* Note: the ports are numbered such that 0,1 are on the first chip
* 2,3 are on the second ....
*/
for (port=1; port<NUM_Z85C30_PORTS; port++) {
chip = port >> 1;
initialize_85c30_port( &Ports_85C30[port] );
}
#if CONSOLE_USE_INTERRUPTS
console_initialize_interrupts();
#endif
return RTEMS_SUCCESSFUL;
}
