[U-Boot] [PATCH 2/6] README: mx28_common: Do not hardcode the SSP port

[Fabio Estevam]

On Fri, May 3, 2013 at 4:52 PM, Marek Vasut <marex at denx.de> wrote:

>>  To boot a MX28 based board from SD, set the boot mode DIP switches
>> according -to i.MX28 manual chapter 12.2.1 (Table 12-2), PORT=SSP0, SD/MMC
>> master on -SSP0, 3.3V.
>> -
>> +to i.MX28 manual chapter 12.2.1 (Table 12-2).
>
> Make sure to leave the 3V3 thing there. PORT=SSPn would be a better solution
> here too.

Sorry, but I disagree.

Please check table 12-2 from mx28 reference manual and you will see
that SD boot is also possible in 1.8V, so in the common README file it
makes no sense to hardcode the boot voltage. Besides that, mx23 does
not refer to 3.3V in its boot mode table.

PORT=SSPn is also noisy. Let's get rid of all this. People will have
to look the reference manual anyway.

Also, in v2 I will change "set the boot mode DIP switches" to "set the
boot mode pins", as not all boards use DIP switches.