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 ab1cb127492..b350453443e 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 3fa1b112627..b5d8f19379e 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
--
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