1 files changed, 134 insertions, 0 deletions
diff --git a/bsps/aarch64/xilinx-versal/console/console.c b/bsps/aarch64/xilinx-versal/console/console.c
new file mode 100644
index 0000000000..e7f752f1a7
--- /dev/null
+++ b/bsps/aarch64/xilinx-versal/console/console.c
@@ -0,0 +1,134 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64XilinxVersal
+ *
+ * @brief This source file contains this BSP's console configuration.
+ */
+
+/*
+ * Copyright (C) 2021 Gedare Bloom <gedare@rtems.org>
+ *
+ * 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/console.h>
+#include <rtems/bspIo.h>
+#include <rtems/sysinit.h>
+
+#include <bsp/irq.h>
+#include <dev/serial/versal-uart.h>
+
+#include <bspopts.h>
+
+static versal_uart_context versal_uart_instances[2] = {
+  {
+    .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER( "Versal UART 0" ),
+    .regs = (volatile struct versal_uart *) 0xff000000,
+    .irq = VERSAL_IRQ_UART_0
+  }, {
+    .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER( "Versal UART 1" ),
+    .regs = (volatile struct versal_uart *) 0xff010000,
+    .irq = VERSAL_IRQ_UART_1
+  }
+};
+
+rtems_status_code console_initialize(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+)
+{
+  size_t i;
+
+  rtems_termios_initialize();
+
+  for (i = 0; i < RTEMS_ARRAY_SIZE(versal_uart_instances); ++i) {
+    char uart[] = "/dev/ttySX";
+
+    uart[sizeof(uart) - 2] = (char) ('0' + i);
+    rtems_termios_device_install(
+      &uart[0],
+      &versal_uart_handler,
+      NULL,
+      &versal_uart_instances[i].base
+    );
+
+    if (i == BSP_CONSOLE_MINOR) {
+      link(&uart[0], CONSOLE_DEVICE_NAME);
+    }
+  }
+
+  return RTEMS_SUCCESSFUL;
+}
+
+void versal_debug_console_flush(void)
+{
+  versal_uart_reset_tx_flush(&versal_uart_instances[BSP_CONSOLE_MINOR].base);
+}
+
+static void versal_debug_console_out(char c)
+{
+  rtems_termios_device_context *base =
+    &versal_uart_instances[BSP_CONSOLE_MINOR].base;
+
+  versal_uart_write_polled(base, c);
+}
+
+static void versal_debug_console_init(void)
+{
+  rtems_termios_device_context *base =
+    &versal_uart_instances[BSP_CONSOLE_MINOR].base;
+
+  (void) versal_uart_initialize(base);
+  BSP_output_char = versal_debug_console_out;
+}
+
+static void versal_debug_console_early_init(char c)
+{
+  rtems_termios_device_context *base =
+    &versal_uart_instances[BSP_CONSOLE_MINOR].base;
+
+  (void) versal_uart_initialize(base);
+  BSP_output_char = versal_debug_console_out;
+  versal_debug_console_out(c);
+}
+
+static int versal_debug_console_in(void)
+{
+  rtems_termios_device_context *base =
+    &versal_uart_instances[BSP_CONSOLE_MINOR].base;
+
+  return versal_uart_read_polled(base);
+}
+
+BSP_output_char_function_type BSP_output_char = versal_debug_console_early_init;
+
+BSP_polling_getchar_function_type BSP_poll_char = versal_debug_console_in;
+
+RTEMS_SYSINIT_ITEM(
+  versal_debug_console_init,
+  RTEMS_SYSINIT_BSP_START,
+  RTEMS_SYSINIT_ORDER_LAST_BUT_5
+);