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| author | wdenk <wdenk> | 2004-03-23 20:18:25 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2004-03-23 20:18:25 +0000 |
| commit | efa329cb892c8b9a5e453638b3ca57c94b71e9a2 (patch) | |
| tree | b8c5361b7054e21662e619100c1a7f53e6d8de0a /cpu/arm920t/interrupts.c | |
| parent | 7d7ce4125f769a21a321c3df972272c5854d54f7 (diff) | |
| download | u-boot-imx-efa329cb892c8b9a5e453638b3ca57c94b71e9a2.zip u-boot-imx-efa329cb892c8b9a5e453638b3ca57c94b71e9a2.tar.gz u-boot-imx-efa329cb892c8b9a5e453638b3ca57c94b71e9a2.tar.bz2 | |
* 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
Diffstat (limited to 'cpu/arm920t/interrupts.c')
| -rw-r--r-- | cpu/arm920t/interrupts.c | 5 |
1 files changed, 2 insertions, 3 deletions
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 set_timer (ulong t) 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*/; } |