Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 66 insertions, 0 deletions

diff --git a/roms/u-boot/arch/arm/cpu/sa1100/timer.c b/roms/u-boot/arch/arm/cpu/sa1100/timer.c
new file mode 100644
index 000000000..a5cdaf5a6
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/sa1100/timer.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ */
+
+#include <common.h>
+#include <SA-1100.h>
+#include <time.h>
+#include <linux/delay.h>
+
+static ulong get_timer_masked (void)
+{
+	return OSCR;
+}
+
+ulong get_timer (ulong base)
+{
+	return get_timer_masked ();
+}
+
+void __udelay(unsigned long usec)
+{
+	ulong tmo;
+	ulong endtime;
+	signed long diff;
+
+	if (usec >= 1000) {
+		tmo = usec / 1000;
+		tmo *= CONFIG_SYS_HZ;
+		tmo /= 1000;
+	} else {
+		tmo = usec * CONFIG_SYS_HZ;
+		tmo /= (1000*1000);
+	}
+
+	endtime = get_timer_masked () + tmo;
+
+	do {
+		ulong now = get_timer_masked ();
+		diff = endtime - now;
+	} while (diff >= 0);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return CONFIG_SYS_HZ;
+}