[U-Boot] [PATCH V3 1/2] MX5: factor out boot cause funciton to common code

[Stefano Babic <sbabic@denx.de>]

On 04/15/2011 02:47 PM, Fabio Estevam wrote:
>> +char *get_reset_cause(void)
>> +{
>> +    u32 cause;
>> +    struct src *src_regs = (struct src
>> *)SRC_BASE_ADDR;
>> +
>> +    cause = readl(&src_regs->srsr);
> 
> You need to mask the 7 LSB of SRSR register.
> 
> If you don?t bit 16 can still affect its result.

Why ? As this becomes a general function for i.MX5, should we not
provide a way to check all significant bits ? Why should we exclude the
"warm boot" bit to be checked and printed out ?

Regards,
Stefano Babic

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