Initial import of qemu-2.4.1HEADmaster

1 files changed, 22 insertions, 0 deletions

diff --git a/roms/u-boot/arch/nios2/lib/time.c b/roms/u-boot/arch/nios2/lib/time.c
new file mode 100644
index 00000000..d3960457
--- /dev/null
+++ b/roms/u-boot/arch/nios2/lib/time.c
@@ -0,0 +1,22 @@
+/*
+ * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <watchdog.h>
+
+
+extern void dly_clks( unsigned long ticks );
+
+void __udelay(unsigned long usec)
+{
+	/* The Nios core doesn't have a timebase, so we do our
+	 * best for now and call a low-level loop that counts
+	 * cpu clocks.
+	 */
+	unsigned long cnt = (CONFIG_SYS_CLK_FREQ/1000000) * usec;
+	dly_clks (cnt);
+}