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/*
* RTEMS driver for Blackfin UARTs
*
* 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.
*
* $Id$
*/
#ifndef _uart_h_
#define _uart_h_
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
const char *name;
void *base_address;
bool use_interrupts;
int force_baud;
/* the following are for internal use */
void *termios;
uint8_t volatile flags;
} bfin_uart_channel_t;
typedef struct {
uint32_t freq;
int num_channels;
bfin_uart_channel_t *channels;
} bfin_uart_config_t;
char bfin_uart_poll_read(int minor);
void bfin_uart_poll_write(int minor, char c);
rtems_status_code bfin_uart_initialize(rtems_device_major_number major,
bfin_uart_config_t *config);
rtems_device_driver bfin_uart_open(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg);
void bfin_uart_isr(int source);
#ifdef __cplusplus
}
#endif
#endif /* _uart_h_ */
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