2011-10-18 Jennifer Averett <Jennifer.Averett@OARcorp.com>

	PR 1917/bsps
	* console.c: Modifications to add dynamic tables for libchip serial
	drivers.
	* console_control.c, console_private.h, console_read.c,
	console_select.c, console_write.c: New files.

1 files changed, 102 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/shared/console_select.c b/c/src/lib/libbsp/shared/console_select.c
new file mode 100644
index 0000000000..caab940c2d
--- /dev/null
+++ b/c/src/lib/libbsp/shared/console_select.c
@@ -0,0 +1,102 @@
+/**
+ * @file
+ *
+ * @ingroup Console
+ *
+ * @brief Generic libchip console select 
+ */
+
+/*
+ *  This file contains a routine to select the 
+ *  console based upon a number of criteria.
+ *
+ *  COPYRIGHT (c) 2011.
+ *  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.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <termios.h>
+
+#include <rtems/termiostypes.h>
+#include <libchip/serial.h>
+#include "console_private.h"
+
+/*
+ * Method to return true if the device associated with the
+ * minor number probs available.
+ */
+static bool bsp_Is_Available( rtems_device_minor_number minor )
+{
+  console_tbl  *cptr = Console_Port_Tbl[minor];
+
+  /*
+   * First perform the configuration dependent probe, then the
+   * device dependent probe
+   */
+  if ((!cptr->deviceProbe || cptr->deviceProbe(minor)) &&
+       cptr->pDeviceFns->deviceProbe(minor)) {
+    return true; 
+  }
+  return false;
+}
+
+/*
+ * Method to return the first available device.
+ */
+static rtems_device_minor_number bsp_First_Available_Device( void )
+{
+  rtems_device_minor_number minor;
+
+  for (minor=0; minor < Console_Port_Count ; minor++) {
+    console_tbl  *cptr = Console_Port_Tbl[minor];
+
+    /*
+     * First perform the configuration dependent probe, then the
+     * device dependent probe
+     */
+
+    if ((!cptr->deviceProbe || cptr->deviceProbe(minor)) &&
+         cptr->pDeviceFns->deviceProbe(minor)) {
+      return minor;
+    }
+  }
+
+  /*
+   *  Error No devices were found.  We will want to bail here. 
+   */
+  rtems_fatal_error_occurred(RTEMS_IO_ERROR);
+}
+
+void bsp_console_select(void)
+{
+
+  /*
+   *  Reset Console_Port_Minor and 
+   *  BSPPrintkPort here if desired.
+   *  
+   *  This default version allows the bsp to set these
+   *  values at creation and will not touch them again
+   *  unless the selected port number is not available.
+   */
+
+  /*
+   * If the device that was selected isn't available then
+   * let the user know and select the first available device.
+   */
+  if ( !bsp_Is_Available( Console_Port_Minor ) ) {
+    printk(
+      "Error finding %s setting console to first available\n",
+      Console_Port_Tbl[Console_Port_Minor]->sDeviceName
+    );
+    Console_Port_Minor = bsp_First_Available_Device();
+  }
+}