bsps: Move uart-output-char.c to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

bsps/shared/dev/serial/uart-output-char.c

@@ -0,0 +1,52 @@
+/**
+ * @file
+ *
+ * @ingroup bsp_kit
+ *
+ * @brief Output character implementation for standard UARTs.
+ */
+
+/*
+ * Copyright (c) 2010-2011 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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/bspIo.h>
+
+#include <bsp/uart-output-char.h>
+
+static void uart_output_raw(char c)
+{
+  while ((CONSOLE_LSR & CONSOLE_LSR_THRE) == 0) {
+    /* Wait */
+  }
+
+  CONSOLE_THR = c;
+}
+
+static void uart_output(char c)
+{
+  uart_output_raw(c);
+}
+
+static int uart_input(void)
+{
+  if ((CONSOLE_LSR & CONSOLE_LSR_RDR) != 0) {
+    return CONSOLE_RBR;
+  } else {
+    return -1;
+  }
+}
+
+BSP_output_char_function_type BSP_output_char = uart_output;
+
+BSP_polling_getchar_function_type BSP_poll_char = uart_input;