[U-Boot] arm: timer_init() and bss (relocation)

[Alexander Holler <holler@ahsoftware.de>]

Am 22.01.2011 07:38, schrieb John Rigby:
> On Fri, Jan 21, 2011 at 11:07 PM, Alexander Holler<holler@ahsoftware.de>  wrote:
>> Hello,
>>
>> because I still have problems where I think the problem is the
>> relocation, I've had a look at some timer code.
>>
>> E.g. in arch/arm/cpu/arm926ejs/kirkwood/timer.c  on top there is
>>
>> struct kwtmr_registers *kwtmr_regs = (struct kwtmr_registers
>> *)KW_TIMER_BASE;
>>
>> which is used in timer_init().
>>
>> In arch/arm/cpu/armv7/omap-common/timer.c we have
>>
>> static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;
>>
>> which is used in timer_init() too.
>>
>> (I assume similiar code is used in more files, I've just had a look at
>> those two.)
>>
>> timer_init() is called in board_init_f() through init_sequence, that
>> means before relocation.
>>
>> Did I miss something, or I'm right that this is a problem because those
>> two variables are stored in bss but are accessed before relocation?
>>
> These are both initialized data so they do not go in bss.

Correct, I should have a look into u-boot.map before writing this mail. 
Thanks for the pointer.

But this leads me to the question what happens with the stuff in the 
data section. Seems I should have again a look at the lowlevel stuff to 
understand that.

Thanks,

Alexander