/*
* Set baud
*/
void
BSP_uart_set_baud(int uart, int baud)
{
unsigned char ier;
/* Sanity check */
assert(uart == BSP_UART_COM1 || uart == BSP_UART_COM2);
/*
* This function may be called whenever TERMIOS parameters
* are changed, so we have to make sure that baud change is
* indeed required
*/
if(baud == uart_data[uart].baud)
{
return;
}
ier = uread(uart, IER);
BSP_uart_init(uart, baud, uart_data[uart].hwFlow);
uwrite(uart, IER, ier);
return;
}
static int console_first_open(int major, int minor, void *arg)
{
rtems_status_code status;
/* must not open a minor device we have no ISR for */
assert( minor>=0 && minor < sizeof(ttyS)/sizeof(ttyS[0]) && ttyS[minor].isr );
/* 9600-8-N-1 */
BSP_uart_init(minor, 9600, 0);
status = BSP_uart_install_isr(minor, ttyS[minor].isr);
if (!status) {
printk("Error installing serial console interrupt handler for '%s'!\n",
ttyS[minor].name);
rtems_fatal_error_occurred(status);
}
/*
* Pass data area info down to driver
*/
BSP_uart_termios_set(minor, ((rtems_libio_open_close_args_t *)arg)->iop->data1);
/* Enable interrupts on channel */
BSP_uart_intr_ctrl(minor, BSP_UART_INTR_CTRL_TERMIOS);
return 0;
}
/*-------------------------------------------------------------------------+
| Console device driver INITIALIZE entry point.
+--------------------------------------------------------------------------+
| Initilizes the I/O console (keyboard + VGA display) driver.
+--------------------------------------------------------------------------*/
rtems_device_driver
console_initialize(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg)
{
rtems_status_code status;
/*
* Set up TERMIOS
*/
rtems_termios_initialize ();
/*
* Do device-specific initialization
*/
/* 115200-8-N-1, without hardware flow control */
BSP_uart_init(BSPConsolePort, 115200, CHR_8_BITS, 0, 0, 0);
/* Set interrupt handler */
if(BSPConsolePort == BSP_UART_COM1)
{
console_isr_data.name = BSP_UART_COM1_IRQ;
console_isr_data.hdl = BSP_uart_termios_isr_com1;
}
else
{
assert(BSPConsolePort == BSP_UART_COM2);
console_isr_data.name = BSP_UART_COM2_IRQ;
console_isr_data.hdl = BSP_uart_termios_isr_com2;
}
status = BSP_install_rtems_irq_handler(&console_isr_data);
if (!status){
printk("Error installing serial console interrupt handler!\n");
rtems_fatal_error_occurred(status);
}
/*
* Register the device
*/
status = rtems_io_register_name ("/dev/console", major, 0);
if (status != RTEMS_SUCCESSFUL)
{
printk("Error registering console device!\n");
rtems_fatal_error_occurred (status);
}
if(BSPConsolePort == BSP_UART_COM1)
{
printk("Initialized console on port COM1 115200-8-N-1\n\n");
}
else
{
printk("Initialized console on port COM2 115200-8-N-1\n\n");
}
return RTEMS_SUCCESSFUL;
} /* console_initialize */
/*
* Initialize glue code linking i386-stub with the rest of
* the system
*/
void
i386_stub_glue_init(int uart)
{
assert(uart == BSP_UART_COM1 || uart == BSP_UART_COM2);
uart_current = uart;
/* BSP_uart_init(uart, 38400, CHR_8_BITS, 0, 0, 0);*/
BSP_uart_init(uart, 115200, CHR_8_BITS, 0, 0, 0);
}
/*
* Serial Mouse - device driver INITIALIZE entry point.
*/
rtems_device_driver
serial_mouse_initialize(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg)
{
rtems_status_code status;
/* Check if this port is not been used as console */
if( BSPConsolePort == BSP_UART_PORT )
{
status = -1;
printk("SERIAL MOUSE: port selected as console.( %d )\n", BSP_UART_PORT );
rtems_fatal_error_occurred( status );
}
/*
* Set up TERMIOS
*/
rtems_termios_initialize();
/*
* Do device-specific initialization
*/
/* 9600-8-N-1, without hardware flow control */
BSP_uart_init( BSP_UART_PORT, 1200, CHR_8_BITS, 0, 0, 0 );
status = BSP_install_rtems_irq_handler( &serial_mouse_isr_data );
if( !status )
{
printk("Error installing serial mouse interrupt handler!\n");
rtems_fatal_error_occurred(status);
}
/*
* Register the device
*/
status = rtems_io_register_name ("/dev/mouse", major, 0);
if (status != RTEMS_SUCCESSFUL)
{
printk("Error registering /dev/mouse device!\n");
rtems_fatal_error_occurred (status);
}
printk("Device: /dev/mouse on COM%d -- ok \n", BSP_UART_PORT );
return RTEMS_SUCCESSFUL;
} /* tty_initialize */
void
BSP_uart_set_attributes
(
int uart,
unsigned long baud,
unsigned long databits,
unsigned long parity,
unsigned long stopbits
)
{
unsigned char mcr, ier;
/* Sanity check */
assert(uart == BSP_UART_COM1 || uart == BSP_UART_COM2);
/*
* This function may be called whenever TERMIOS parameters
* are changed, so we have to make sure that baud change is
* indeed required
*/
if( (baud == uart_data[uart].baud) &&
(databits == uart_data[uart].databits) &&
(parity == uart_data[uart].parity) &&
(stopbits == uart_data[uart].stopbits) )
{
return;
}
mcr = uread(uart, MCR);
ier = uread(uart, IER);
BSP_uart_init(uart, baud, databits, parity, stopbits, uart_data[uart].hwFlow);
uwrite(uart, MCR, mcr);
uwrite(uart, IER, ier);
return;
}
void bsp_start(void)
{
/* Setup console baud rate */
BSP_uart_init(UART_BAUD_RATE);
}