* Add start-up delay to make sure power has stabilized before
attempting to switch on USB on SX1 board.
* Patch by Josef Wagner, 18 Mar 2004:
- Add support for MicroSys XM250 board (PXA255)
- Add support for MicroSys PM828 board (MPC8280)
- Add support for 32 MB Flash on PM825/826
- new SDRAM refresh rate for PM825/PM826
- added support for MicroSys PM520 (MPC5200)
- replaced Query by Identify command in CPU86/flash.c
to support 28F160F3B
* Fix wrap around problem with udelay() on ARM920T
* Add support for Macronix flash on TRAB board
diff --git a/cpu/arm920t/interrupts.c b/cpu/arm920t/interrupts.c
index 9ff06c1..521c4f4 100644
--- a/cpu/arm920t/interrupts.c
+++ b/cpu/arm920t/interrupts.c
@@ -235,14 +235,13 @@
void udelay (unsigned long usec)
{
ulong tmo;
+ ulong start = get_timer(0);
tmo = usec / 1000;
tmo *= (timer_load_val * 100);
tmo /= 1000;
- tmo += get_timer (0);
-
- while (get_timer_masked () < tmo)
+ while ((ulong)(get_timer_masked () - start) < tmo)
/*NOP*/;
}