SPARC: Added generic support for SPARC architecture.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>

1 files changed, 78 insertions, 0 deletions

diff --git a/lib_sparc/time.c b/lib_sparc/time.c
new file mode 100644
index 0000000..433f3eb
--- /dev/null
+++ b/lib_sparc/time.c
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2000, 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/* Implemented by SPARC CPUs */
+extern void cpu_wait_ticks(unsigned long ticks);
+extern unsigned long cpu_usec2ticks(unsigned long usec);
+extern unsigned long cpu_ticks2usec(unsigned long ticks);
+
+/* ------------------------------------------------------------------------- */
+
+void wait_ticks(unsigned long ticks)
+{
+	cpu_wait_ticks(ticks);
+}
+
+/*
+ * This function is intended for SHORT delays only.
+ */
+unsigned long usec2ticks(unsigned long usec)
+{
+	return cpu_usec2ticks(usec);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * We implement the delay by converting the delay (the number of
+ * microseconds to wait) into a number of time base ticks; then we
+ * watch the time base until it has incremented by that amount.
+ */
+void udelay(unsigned long usec)
+{
+	ulong ticks = usec2ticks(usec);
+
+	wait_ticks(ticks);
+}
+
+/* ------------------------------------------------------------------------- */
+
+unsigned long ticks2usec(unsigned long ticks)
+{
+	return cpu_ticks2usec(ticks);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int init_timebase(void)
+{
+
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */