+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2008 Texas Insturments
*
*
* (C) Copyright 2002
* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/secure.h>
#include <linux/compiler.h>
+/*
+ * sdelay() - simple spin loop.
+ *
+ * Will delay execution by roughly (@loops * 2) cycles.
+ * This is necessary to be used before timers are accessible.
+ *
+ * A value of "0" will results in 2^64 loops.
+ */
+void sdelay(unsigned long loops)
+{
+ __asm__ volatile ("1:\n" "subs %0, %0, #1\n"
+ "b.ne 1b" : "=r" (loops) : "0"(loops) : "cc");
+}
+
int cleanup_before_linux(void)
{
/*