Support for MPC5643L.

Rework of the start sequence to reduce the amount assembler code and to
support configuration tables which may be provided by the application.

1 files changed, 167 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/console/console-generic.c b/c/src/lib/libbsp/powerpc/mpc55xxevb/console/console-generic.c
new file mode 100644
index 0000000000..e6c2c587a2
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/console/console-generic.c
@@ -0,0 +1,167 @@
+/**
+ * @file
+ *
+ * @brief Generic console driver implementation.
+ */
+
+/*
+ * Copyright (c) 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.com/license/LICENSE.
+ */
+
+#include <bsp/console-generic.h>
+
+#include <rtems/console.h>
+
+static const struct termios console_generic_termios = {
+  .c_cflag = CS8 | CREAD | CLOCAL | B115200
+};
+
+static void console_generic_char_out(char c)
+{
+  int minor = (int) console_generic_minor;
+  const console_generic_callbacks *cb =
+    console_generic_info_table [minor].callbacks;
+
+  if (c == '\n') {
+    (*cb->poll_write)(minor, '\r');
+  }
+
+  (*cb->poll_write)(minor, c);
+}
+
+static int console_generic_char_in(void)
+{
+  int minor = (int) console_generic_minor;
+  const console_generic_callbacks *cb =
+    console_generic_info_table [minor].callbacks;
+
+  return (*cb->poll_read)(minor);
+}
+
+static void console_generic_char_out_do_init(void)
+{
+  int minor = (int) console_generic_minor;
+  const console_generic_callbacks *cb =
+    console_generic_info_table [minor].callbacks;
+  const struct termios *term = &console_generic_termios;
+
+  BSP_output_char = console_generic_char_out;
+  (*cb->termios_callbacks.setAttributes)(minor, term);
+}
+
+static void console_generic_char_out_init(char c)
+{
+  console_generic_char_out_do_init();
+  console_generic_char_out(c);
+}
+
+rtems_device_driver console_initialize(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+)
+{
+  rtems_status_code sc = RTEMS_SUCCESSFUL;
+  const console_generic_info *info_table = console_generic_info_table;
+  rtems_device_minor_number count = console_generic_info_count;
+  rtems_device_minor_number console = console_generic_minor;
+
+  if (count <= 0) {
+    rtems_fatal_error_occurred(0xdeadbeef);
+  }
+
+  rtems_termios_initialize();
+
+  for (minor = 0; minor < count; ++minor) {
+    const console_generic_info *info = info_table + minor;
+
+    sc = rtems_io_register_name(info->device_path, major, minor);
+    if (sc != RTEMS_SUCCESSFUL) {
+      rtems_fatal_error_occurred(0xdeadbeef);
+    }
+  }
+
+  sc = rtems_io_register_name(CONSOLE_DEVICE_NAME, major, console);
+  if (sc != RTEMS_SUCCESSFUL) {
+    rtems_fatal_error_occurred(0xdeadbeef);
+  }
+
+  console_generic_char_out_do_init();
+
+  return sc;
+}
+
+rtems_device_driver console_open(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+)
+{
+  rtems_status_code sc = RTEMS_SUCCESSFUL;
+  rtems_device_minor_number count = console_generic_info_count;
+
+  if (minor < count) {
+    const console_generic_info *info = &console_generic_info_table [minor];
+
+    sc = rtems_termios_open(
+      major,
+      minor,
+      arg,
+      &info->callbacks->termios_callbacks
+    );
+  } else {
+    sc = RTEMS_INVALID_ID;
+  }
+
+  return sc;
+}
+
+rtems_device_driver console_close(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+)
+{
+  return rtems_termios_close(arg);
+}
+
+rtems_device_driver console_read(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+)
+{
+  return rtems_termios_read(arg);
+}
+
+rtems_device_driver console_write(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+)
+{
+  return rtems_termios_write(arg);
+}
+
+rtems_device_driver console_control(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+)
+{
+  return rtems_termios_ioctl(arg);
+}
+
+BSP_output_char_function_type BSP_output_char = console_generic_char_out_init;
+
+BSP_polling_getchar_function_type BSP_poll_char = console_generic_char_in;