On 06:30 Mon 04 Aug , Gururaja Hebbar K R wrote:
> - According to ARM Dual-Timer Module (SP804) TRM (ARM DDI0271),
> -- Timer Value Register @ TIMER Base + 4 is Read-only.
> -- Prescale Value (Bits 3-2 of TIMER Control register)
> can only be one of 00,01,10. 11 is undefined.
>
> Signed-off-by: Gururaja Hebbar <[EMAIL PROTECTED]>
> ---
> cpu/arm926ejs/versatile/timer.c | 3 +--
> 1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/cpu/arm926ejs/versatile/timer.c b/cpu/arm926ejs/versatile/timer.c
> index 32872d2..9659b67 100644
> --- a/cpu/arm926ejs/versatile/timer.c
> +++ b/cpu/arm926ejs/versatile/timer.c
> @@ -50,8 +50,7 @@ static ulong lastdec;
> int timer_init (void)
> {
> *(volatile ulong *)(CFG_TIMERBASE + 0) = CFG_TIMER_RELOAD; /*
> TimerLoad */
> - *(volatile ulong *)(CFG_TIMERBASE + 4) = CFG_TIMER_RELOAD; /*
> TimerValue */
> - *(volatile ulong *)(CFG_TIMERBASE + 8) = 0x8C;
> + *(volatile ulong *)(CFG_TIMERBASE + 8) = 0x80;
according to datasheet for the register TimerXControl
we are supposed to not modify the bits [31:8] and [4]
so we are suppose to read the register and modify only the others
register.
Best Regards,
J.
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