Update from 2013.01 to 2013.07

[karo-tx-uboot.git] / lib / hang.c

diff --git a/lib/hang.c b/lib/hang.c
new file mode 100644 (file)
index 0000000..8db268e
--- /dev/null
+++ b/lib/hang.c
@@ -0,0 +1,31 @@
+/*
+ * (C) Copyright 2013
+ * Andreas Bießmann <andreas.devel@googlemail.com>
+ *
+ * This file consolidates all the different hang() functions implemented in
+ * u-boot.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <bootstage.h>
+
+/**
+ * hang - stop processing by staying in an endless loop
+ *
+ * The purpose of this function is to stop further execution of code cause
+ * something went completely wrong.  To catch this and give some feedback to
+ * the user one needs to catch the bootstage_error (see show_boot_progress())
+ * in the board code.
+ */
+void hang(void)
+{
+#if !defined(CONFIG_SPL_BUILD) || (defined(CONFIG_SPL_LIBCOMMON_SUPPORT) && \
+               defined(CONFIG_SPL_SERIAL_SUPPORT))
+       puts("### ERROR ### Please RESET the board ###\n");
+#endif
+       bootstage_error(BOOTSTAGE_ID_NEED_RESET);
+       for (;;)
+               ;
+}