/* Console driver for bf537Stamp
*
* Copyright (c) 2008 Kallisti Labs, Los Gatos, CA, USA
* written by Allan Hessenflow <allanh@kallisti.com>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#include <rtems.h>
#include <rtems/libio.h>
#include <bsp.h>
#include <rtems/bspIo.h>
#include <libcpu/bf537.h>
#include <libcpu/interrupt.h>
#include <libcpu/uart.h>
/*
#undef CONSOLE_USE_INTERRUPTS
#define CONSOLE_USE_INTERRUPTS 1
*/
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}
#if (!BFIN_ON_SKYEYE)
,
{"/dev/tty1",
(char *) UART1_BASE_ADDRESS,
CONSOLE_USE_INTERRUPTS,
0,
NULL,
0}
#endif
};
static bfin_uart_config_t config = {
SCLK,
sizeof(channels) / sizeof(channels[0]),
channels
};
#if CONSOLE_USE_INTERRUPTS
static bfin_isr_t bfinUARTISRs[] = {
{SIC_DMA8_UART0_RX_VECTOR, bfinUart_rxIsr, 0, 0, NULL},
{SIC_DMA10_UART1_RX_VECTOR, bfinUart_rxIsr, 0, 0, NULL},
{SIC_DMA9_UART0_TX_VECTOR, bfinUart_txIsr, 0, 0, NULL},
{SIC_DMA11_UART1_TX_VECTOR, bfinUart_txIsr, 0, 0, NULL}
};
#endif
static void bf537Stamp_BSP_output_char(char c) {
bfin_uart_poll_write(0, c);
}
static int bf537Stamp_BSP_poll_char(void) {
return bfin_uart_poll_read(0);
}
BSP_output_char_function_type BSP_output_char = bf537Stamp_BSP_output_char;
BSP_polling_getchar_function_type BSP_poll_char = bf537Stamp_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);
}
