1 files changed, 109 insertions, 0 deletions
diff --git a/bsps/m68k/include/mcf5206/mcfuart.h b/bsps/m68k/include/mcf5206/mcfuart.h
new file mode 100644
index 0000000000..bd9df5bb56
--- /dev/null
+++ b/bsps/m68k/include/mcf5206/mcfuart.h
@@ -0,0 +1,109 @@
+/*
+ *  Generic UART Serial driver for Motorola Coldfire processors definitions
+ *
+ *  Copyright (C) 2000 OKTET Ltd., St.-Petersburg, Russian Fed.
+ *  Author: Victor V. Vengerov <vvv@oktet.ru>
+ *
+ *  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.
+ */
+
+#ifndef __MCFUART_H__
+#define __MCFUART_H__
+
+#include <termios.h>
+#include "bsp.h"
+#include "mcf5206e.h"
+
+/*
+ * The MCF5206e System Clock Frequency; 54MHz default
+ */
+#ifndef SYSTEM_CLOCK_FREQUENCY
+#define SYSTEM_CLOCK_FREQUENCY BSP_SYSTEM_FREQUENCY
+#endif
+
+/*
+ * The following structure is a descriptor of single UART channel.
+ * It contains the initialization information about channel and
+ * current operating values
+ */
+typedef struct mcfuart {
+   uint32_t            chn;              /* UART channel number */
+   uint8_t             intvec;           /* UART interrupt vector number, or
+                                                0 if polled I/O */
+   void               *tty;              /* termios channel descriptor */
+
+   volatile const char     *tx_buf;      /* Transmit buffer from termios */
+   volatile uint32_t        tx_buf_len;  /* Transmit buffer length */
+   volatile uint32_t        tx_ptr;      /* Index of next char to transmit*/
+   rtems_isr_entry          old_handler; /* Saved interrupt handler */
+
+   tcflag_t                 c_iflag;    /* termios input mode flags */
+   bool                     parerr_mark_flag; /* Parity error processing
+                                                  state */
+} mcfuart;
+
+/* mcfuart_init --
+ *     This function verifies the input parameters and perform initialization
+ *     of the Motorola Coldfire on-chip UART descriptor structure.
+ *
+ */
+rtems_status_code
+mcfuart_init(mcfuart *uart, void *tty, uint8_t   intvec,
+             uint32_t   chn);
+
+/* mcfuart_reset --
+ *     This function perform the hardware initialization of Motorola
+ *     Coldfire processor on-chip UART controller using parameters
+ *     filled by the mcfuart_init function.
+ */
+rtems_status_code
+mcfuart_reset(mcfuart *uart);
+
+/* mcfuart_disable --
+ *     This function disable the operations on Motorola Coldfire UART
+ *     controller
+ */
+rtems_status_code
+mcfuart_disable(mcfuart *uart);
+
+/* mcfuart_set_attributes --
+ *     This function parse the termios attributes structure and perform
+ *     the appropriate settings in hardware.
+ */
+int
+mcfuart_set_attributes(mcfuart *mcf, const struct termios *t);
+
+/* mcfuart_poll_read --
+ *     This function tried to read character from MCF UART and perform
+ *     error handling.
+ */
+int
+mcfuart_poll_read(mcfuart *uart);
+
+/* mcfuart_interrupt_write --
+ *     This function initiate transmitting of the buffer in interrupt mode.
+ */
+ssize_t
+mcfuart_interrupt_write(mcfuart *uart, const char *buf, size_t len);
+
+/* mcfuart_poll_write --
+ *     This function transmit buffer byte-by-byte in polling mode.
+ */
+ssize_t
+mcfuart_poll_write(mcfuart *uart, const char *buf, size_t len);
+
+/* mcfuart_stop_remote_tx --
+ *     This function stop data flow from remote device.
+ */
+int
+mcfuart_stop_remote_tx(mcfuart *uart);
+
+/* mcfuart_start_remote_tx --
+ *     This function resume data flow from remote device.
+ */
+int
+mcfuart_start_remote_tx(mcfuart *uart);
+
+#endif