[U-Boot] [PATCH] bug fix for the delay function of ARM s3c44b0
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Thu Nov 13 16:42:45 CET 2008
On 05:11 Thu 13 Nov , Chaofu Chen wrote:
> The original implementation of delay function of ARM s3c44b0 doesnt' cooperate with U-Boot kernel well, which will cause fake-time-out. What is important is to keep timestamp in unit of millisecond.
>
SOB please
> diff -purN old/cpu/s3c44b0/interrupts.c new/cpu/s3c44b0/interrupts.c
> --- old/cpu/s3c44b0/interrupts.c 2005-12-17 00:39:27.000000000 +0800
> +++ new/cpu/s3c44b0/interrupts.c 2008-11-13 20:36:46.000000000 +0800
> @@ -147,7 +147,7 @@ static ulong lastdec;
> int interrupt_init (void)
> {
> TCFG0 = 0x000000E9;
> - TCFG1 = 0x00000004;
> + TCFG1 = 0x00000040;
> TCON = 0x00000900;
> TCNTB1 = TIMER_LOAD_VAL;
> TCMPB1 = 0;
> @@ -185,7 +185,7 @@ void udelay (unsigned long usec)
>
> tmo = usec / 1000;
> tmo *= CFG_HZ;
now it's CFG_HZ
please rebase you code against the current tree
Best Regards,
J.
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