Le 27/09/2016 à 09:33, Thomas Huth a écrit : > 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 <g...@uclinux.org> >> --- >> 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?
In this case, it should be better to use a period of 6000000 ns (and ptimer_set_period() instead of ptimer_set_freq()). Laurent