[PATCH 7/7] bsp/aarch64: Console initialization for Raspberry Pi 4B AArch64 BSP

[Mohd Noor Aman]

This commit adds console initialization for the BSP using Polled mode. This is similar to the QEMU-A72 and QEMU-A53 console initialization.
---
 bsps/aarch64/raspberrypi/console/console.c | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 bsps/aarch64/raspberrypi/console/console.c

diff --git a/bsps/aarch64/raspberrypi/console/console.c b/bsps/aarch64/raspberrypi/console/console.c
new file mode 100644
index 0000000000..73bb0036ff
--- /dev/null
+++ b/bsps/aarch64/raspberrypi/console/console.c
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Raspberrypi4
+ *
+ * @brief Console Configuration
+ */
+
+/*
+ * Copyright (C) 2022 Mohd Noor Aman
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rtems/bspIo.h>
+
+#include <bsp.h>
+#include <dev/serial/arm-pl011.h>
+#include <bsp/console-termios.h>
+
+#include <bspopts.h>
+
+arm_pl011_context raspberrypi_4_context = {
+  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("PL011"),
+  .regs = (volatile pl011 *) BSP_RPI4_PL011_BASE,
+  .initial_baud = 115200
+};
+
+const console_device console_device_table[] = {
+  {
+    .device_file = "/dev/ttyS0",
+    .probe = console_device_probe_default,
+    .handler = &arm_pl011_fns,
+    .context = &raspberrypi_4_context.base
+  }
+};
+
+const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table);
+
+static void output_char( char c )
+{
+  arm_pl011_write_polled(&raspberrypi_4_context.base, c);
+}
+
+BSP_output_char_function_type BSP_output_char = output_char;
+
+BSP_polling_getchar_function_type BSP_poll_char = NULL;
-- 
2.34.1