On Jul 29, 2008, at 9:48 AM, Kumar Gala wrote:
In debugging moving the bss outside of the image on 85xx I run into in
issue with the SPD code using fsl_i2c before we are running in ram and
setup the BSS.
It looks like i2c_wait4bus() [in fsl_i2c.c] calls get_timer().
get_timer implemented in lib_ppc/interrupts.c and uses a global
timestamp that exists in the BSS. This seems pretty bad in that we
have been just getting a bogus value for timestamp out of flash.
Luckily we don't write timestamp until interrupts are enabled and at
that point we've relocated to memory.
However it seems like fsl_i2c.c should NOT be using get_timer(). Is
there another global interface to get relative time that we can just
use time base for?
- k
Ok, I've got a patch that fixes fsl_i2c.c to use get_ticks and
usec2ticks. I'll be posting it shortly.
- k
-
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