[U-Boot] [PATCH] i.MX28: Fix ref_cpu clock setup

[Marek Vasut <marek.vasut@gmail.com>]

> > Robert, I tested first three patches on my board and it refuses to boot.
> > Why?
> 
> The problem is in here:
> io_reg = MXC_IOCLK1 - io; /* Register order is reversed */
> 
> I will rework and resubmit the patches 'soon'. I'm a bit numb of reworking
> and resubmitting and I just received a board to bringup last week, and
> that's got my priority.

git rebase -i HEAD~3

(if you have the patch you want to rework 3 patches deep)

Change "pick" to the left of the patch to "edit"

Do the change in the file.

git add <file>

git rebase --continue

<submit>

> 
> BTW: It seems that mx28evk DDR2 is overclocked a bit. For example tRCD is
> set to 3, where it should be. I didn't look into all the other settings
> yet, because lowering the clock helps for my board, for now.

Lowering the clock to what ? I was pondering about this too, the settings in 
spl_mem_init are for DENX m28 board, so maybe someone should abstract that out.

M