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-rw-r--r--bsps/mips/csb350/console/console-io.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/bsps/mips/csb350/console/console-io.c b/bsps/mips/csb350/console/console-io.c
new file mode 100644
index 0000000000..e1beff8460
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+++ b/bsps/mips/csb350/console/console-io.c
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+/*
+ * This file contains the hardware specific portions of the TTY driver
+ * for the serial ports on the csb350.
+ */
+
+/*
+ * COPYRIGHT (c) 1989-2000.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * 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 <bsp.h>
+#include <bsp/console-polled.h>
+#include <rtems/libio.h>
+#include <libcpu/au1x00.h>
+
+/*
+ * console_initialize_hardware
+ *
+ * This routine initializes the console hardware.
+ *
+ */
+void console_initialize_hardware(void)
+{
+ uart0->fifoctrl = 0xf1; /* enable fifo, max sizes */
+ au_sync();
+}
+
+
+/*
+ * console_outbyte_polled
+ *
+ * This routine transmits a character using polling.
+ */
+void console_outbyte_polled(
+ int port,
+ char ch
+)
+{
+ /* wait for the fifo to make room */
+ while ((uart0->linestat & 0x20) == 0) {
+ continue;
+ }
+
+ uart0->txdata = ch;
+ au_sync();
+}
+/*
+ * console_inbyte_nonblocking
+ *
+ * This routine polls for a character.
+ */
+
+int console_inbyte_nonblocking(
+ int port
+)
+{
+ unsigned char c;
+
+ if (uart0->linestat & 1) {
+ c = (char)uart0->rxdata;
+ return c;
+ } else {
+ return -1;
+ }
+}
+
+#include <rtems/bspIo.h>
+
+static void csb250_output_char(char c)
+{
+ console_outbyte_polled( 0, c );
+}
+
+static int csb250_get_char(void)
+{
+ return console_inbyte_nonblocking(0);
+}
+
+BSP_output_char_function_type BSP_output_char = csb250_output_char;
+BSP_polling_getchar_function_type BSP_poll_char = csb250_get_char;
+