From 1c1100d2fcf46b9d11dcf78d6e5aea75e2e8b716 Mon Sep 17 00:00:00 2001
From: Michal Simek <monstr@monstr.eu>
Date: Mon, 24 Sep 2007 00:21:19 +0200
Subject: [PATCH] [PATCH] Add support for design without interrupt controller
 Polling timer

---
 cpu/microblaze/timer.c | 7 +++++++
 lib_microblaze/time.c  | 8 ++++++++
 2 files changed, 15 insertions(+)

diff --git a/cpu/microblaze/timer.c b/cpu/microblaze/timer.c
index ab1cb12749..b350453443 100644
--- a/cpu/microblaze/timer.c
+++ b/cpu/microblaze/timer.c
@@ -33,10 +33,17 @@ void reset_timer (void)
 	timestamp = 0;
 }
 
+#ifdef CFG_TIMER_0
 ulong get_timer (ulong base)
 {
 	return (timestamp - base);
 }
+#else
+ulong get_timer (ulong base)
+{
+	return (timestamp++ - base);
+}
+#endif
 
 void set_timer (ulong t)
 {
diff --git a/lib_microblaze/time.c b/lib_microblaze/time.c
index 3fa1b11262..b5d8f19379 100644
--- a/lib_microblaze/time.c
+++ b/lib_microblaze/time.c
@@ -26,9 +26,17 @@
 
 #include <common.h>
 
+#ifdef CFG_TIMER_0
 void udelay (unsigned long usec)
 {
 	int i;
 	i = get_timer (0);
 	while ((get_timer (0) - i) < (usec / 1000)) ;
 }
+#else
+void udelay (unsigned long usec)
+{
+	unsigned int i;
+	for (i = 0; i < (usec * CONFIG_XILINX_CLOCK_FREQ / 10000000); i++);
+}
+#endif
-- 
2.39.5