Re: [Qemu-devel] [PATCH] m68k: change default system clock for m5208evb

[Thomas Huth]

On 27.09.2016 03:29, Greg Ungerer wrote:
> The shipping default setting for the Freescale M5208EVB board is to run
> the CPU at 166MHz. The current qemu emulation code for this board is
> defaulting to 66MHz. This results in time appearing to run way to slowly.
> So a "sleep 5" in a standard ColdFire Linux build takes almost 15
> seconds in real time to actually complete.
> 
> Change the hard coded default to match the default hardware setting.
> 
> Signed-off-by: Greg Ungerer <address@hidden>
> ---
>  hw/m68k/mcf5208.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/m68k/mcf5208.c b/hw/m68k/mcf5208.c
> index 9240ebf..2d0b464 100644
> --- a/hw/m68k/mcf5208.c
> +++ b/hw/m68k/mcf5208.c
> @@ -21,7 +21,7 @@
>  #include "elf.h"
>  #include "exec/address-spaces.h"
>  
> -#define SYS_FREQ 66000000
> +#define SYS_FREQ 166000000

Good catch. But actually, the M5208EVB User's Manual talks about 166.67
MHz, so while you're at it, maybe you should change it to 166666666 instead?

 Thomas