zcu111: add support for board led

boards/arm64/zynq-mpsoc/zcu111/configs/nsh/defconfig

@@ -5,7 +5,6 @@
 # You can then do "make savedefconfig" to generate a new defconfig file that includes your
 # modifications.
 #
-# CONFIG_ARCH_LEDS is not set
 # CONFIG_DEBUG_OPT_UNUSED_SECTIONS is not set
 CONFIG_ARCH="arm64"
 CONFIG_ARCH_ARM64=y

boards/arm64/zynq-mpsoc/zcu111/include/board.h

@@ -31,4 +31,46 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
+/* LED definitions **********************************************************/
+
+/* The ZCU111 PL has only one MIO LEDs, Others LED connected to PL.
+ *
+ * If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
+ * any way.  The following definitions are used to access individual LEDs.
+ */
+
+/* LED index values for use with board_userled() */
+
+#define BOARD_LED1                     0
+#define BOARD_NLEDS                    1
+
+/* LED bits for use with board_userled_all() */
+
+#define BOARD_LED1_BIT                 (1 << BOARD_LED1)
+
+/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
+ * The following definitions describe how NuttX controls the LED:
+ *
+ *   SYMBOL              Meaning                  LED1 state
+ *   ------------------  -----------------------  ----------
+ *   LED_STARTED         NuttX has been started   OFF
+ *   LED_HEAPALLOCATE    Heap has been allocated  OFF
+ *   LED_IRQSENABLED     Interrupts enabled       OFF
+ *   LED_STACKCREATED    Idle stack created       ON
+ *   LED_INIRQ           In an interrupt          No change
+ *   LED_SIGNAL          In a signal handler      No change
+ *   LED_ASSERTION       An assertion failed      No change
+ *   LED_PANIC           The system has crashed   Blinking
+ *   LED_IDLE            STM32 is is sleep mode   Not used
+ */
+
+#define LED_STARTED      0
+#define LED_HEAPALLOCATE 0
+#define LED_IRQSENABLED  0
+#define LED_STACKCREATED 1
+#define LED_INIRQ        2
+#define LED_SIGNAL       2
+#define LED_ASSERTION    2
+#define LED_PANIC        1
+
 #endif /* __BOARDS_ARM64_ZYNQ_MPSOC_ZCU111_INCLUDE_BOARD_H */

boards/arm64/zynq-mpsoc/zcu111/src/Makefile

@@ -23,6 +23,10 @@ include $(TOPDIR)/Make.defs
 CSRCS = zcu111_boardinit.c
 CSRCS += zcu111_appinit.c
 
+ifeq ($(CONFIG_ARCH_LEDS),y)
+CSRCS += zcu111_autoleds.c
+endif
+
 ifeq ($(CONFIG_ETC_ROMFS),y)
   RCSRCS = etc/init.d/rc.sysinit etc/init.d/rcS
 endif

boards/arm64/zynq-mpsoc/zcu111/src/zcu111.h

@@ -27,6 +27,20 @@
 
 #include <nuttx/config.h>
 #include <stdint.h>
+#include "zynq_mio.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+/* LEDs *********************************************************************/
+
+/* Green LED on MIO23 */
+
+#define LED_DS50 23
+
 #ifndef __ASSEMBLY__
 
 /****************************************************************************

boards/arm64/zynq-mpsoc/zcu111/src/zcu111_autoleds.c

@@ -0,0 +1,81 @@
+/****************************************************************************
+ * boards/arm64/zynq-mpsoc/zcu111/src/zcu111_autoleds.c
+ *
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.  The
+ *  ASF licenses this file to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance with the
+ *  License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ *  License for the specific language governing permissions and limitations
+ *  under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <debug.h>
+
+#include <nuttx/board.h>
+#include <arch/board/board.h>
+
+#include "chip.h"
+#include "arm64_internal.h"
+#include "zcu111.h"
+
+#if defined(CONFIG_ARCH_LEDS)
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_autoled_initialize
+ ****************************************************************************/
+
+void board_autoled_initialize(void)
+{
+  /* Configure LED GPIOs for output */
+
+  zynq_mio_setdirpin(LED_DS50, 1);
+  zynq_mio_setoutenpin(LED_DS50, 1);
+  zynq_mio_writepin(LED_DS50, false);
+}
+
+/****************************************************************************
+ * Name: board_autoled_on
+ ****************************************************************************/
+
+void board_autoled_on(int led)
+{
+  if (led == BOARD_LED1)
+    {
+      zynq_mio_writepin(LED_DS50, true);
+    }
+}
+
+/****************************************************************************
+ * Name: board_autoled_off
+ ****************************************************************************/
+
+void board_autoled_off(int led)
+{
+  if (led == BOARD_LED1)
+    {
+      zynq_mio_writepin(LED_DS50, false);
+    }
+}
+
+#endif /* CONFIG_ARCH_LEDS */

boards/arm64/zynq-mpsoc/zcu111/src/zcu111_boardinit.c

@@ -76,10 +76,13 @@ void zynq_memory_initialize(void)
 
 void zynq_board_initialize(void)
 {
+  /* resets the GPIO module by writing reset values to all registers */
+
+  zynq_mio_initialize();
 #ifdef CONFIG_ARCH_LEDS
   /* Configure on-board LEDs if LED support has been selected. */
 
-  /* board_autoled_initialize(); */
+  board_autoled_initialize();
 #endif
 }