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/* console-io.c
*
* This file contains the hardware specific portions of the TTY driver
* for the serial ports for ezkit533.
*
* Copyright (c) 2006 by Atos Automacao Industrial Ltda.
* written by Alain Schaefer <alain.schaefer@easc.ch>
* and Antonio Giovanini <antonio@atos.com.br>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <rtems.h>
#include <rtems/libio.h>
#include <bsp.h>
#include <rtems/bspIo.h>
#include <libcpu/bf533.h>
#include <libcpu/interrupt.h>
#include <libcpu/uart.h>
static bfin_uart_channel_t channels[] = {
{"/dev/console",
UART0_BASE_ADDRESS,
0,
0,
CONSOLE_USE_INTERRUPTS,
0,
#ifdef CONSOLE_FORCE_BAUD
CONSOLE_FORCE_BAUD,
#else
0,
#endif
NULL,
0,
0}
};
static bfin_uart_config_t config = {
SCLK,
sizeof(channels) / sizeof(channels[0]),
channels
};
#if CONSOLE_USE_INTERRUPTS
static bfin_isr_t bfinUARTISRs[] = {
{SIC_DMA6_UART0_RX_VECTOR, bfinUart_rxIsr, 0, 0, NULL},
{SIC_DMA7_UART0_TX_VECTOR, bfinUart_txIsr, 0, 0, NULL},
};
#endif
static void eZKit533_BSP_output_char(char c) {
bfin_uart_poll_write(0, c);
}
static int eZKit533_BSP_poll_char(void) {
return bfin_uart_poll_read(0);
}
BSP_output_char_function_type BSP_output_char = eZKit533_BSP_output_char;
BSP_polling_getchar_function_type BSP_poll_char = eZKit533_BSP_poll_char;
rtems_device_driver console_initialize(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg) {
rtems_status_code status;
#if CONSOLE_USE_INTERRUPTS
int i;
#endif
status = bfin_uart_initialize(major, &config);
#if CONSOLE_USE_INTERRUPTS
for (i = 0; i < sizeof(bfinUARTISRs) / sizeof(bfinUARTISRs[0]); i++) {
bfin_interrupt_register(&bfinUARTISRs[i]);
bfin_interrupt_enable(&bfinUARTISRs[i], TRUE);
}
#endif
if (status != RTEMS_SUCCESSFUL)
rtems_fatal_error_occurred(status);
return RTEMS_SUCCESSFUL;
}
rtems_device_driver console_open(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg) {
return bfin_uart_open(major, minor, arg);
}
rtems_device_driver console_close(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg) {
return rtems_termios_close(arg);
}
rtems_device_driver console_read(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg) {
return rtems_termios_read(arg);
}
rtems_device_driver console_write(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg) {
return rtems_termios_write(arg);
}
rtems_device_driver console_control(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg) {
return rtems_termios_ioctl(arg);
}
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