[PATCH] ARM: i.MX7: add AIPS base address defines

[Alexander Kurz]

On Thu, 26 Jan 2017, Sascha Hauer wrote:

> On Wed, Jan 25, 2017 at 12:31:55PM +0100, Alexander Kurz wrote:
> > Import the ARM IP bus base addresses from IMX7DRM 05/2016 AIPS Memory Map
> 
> In my reference manual the addresses are given directly as numbers. I
> often wondered for the other i.MX SoCs what the advantage of such such
> multi-stage defines is:
> 
> #define MX7_AIPS1_ARB_BASE_ADDR     0x30000000
> #define MX7_ATZ1_BASE_ADDR          MX7_AIPS1_ARB_BASE_ADDR
> #define MX7_AIPS1_OFF_BASE_ADDR     (MX7_ATZ1_BASE_ADDR + 0x200000)
> #define MX7_GPIO1_BASE_ADDR         (MX7_AIPS1_OFF_BASE_ADDR)
> 
> I often enough ended up calculating the values by hand to get the
> address to type into barebox md/mw commands or to see which address
> is meant to look it up in the reference manual (for some defines which
> do not have a clear name)
> 
> Are there any real advantages of these multi stage defines? Otherwise
> I would suggest to use the absolute addresses directly.
Yes indeed, the lookup of cascaded defines is quite annoying and I am not
aware of any benefit.
I'll post an updated version of this patch.
Cheers, Alexander