[U-Boot] Warnings on arm64 build

[bhupesh.sharma at freescale.com]

Hi Mashiro,

> -----Original Message-----
> From: u-boot-bounces at lists.denx.de [mailto:u-boot-bounces at lists.denx.de]
> On Behalf Of Masahiro Yamada
> Sent: Thursday, January 23, 2014 12:38 PM
> To: u-boot at lists.denx.de
> Subject: [U-Boot] Warnings on arm64 build
> 
> Hello aarch64 experts,
> 
> 
> Since commit 3865ceb (vexpress/armv7: Fix incorrect ethernet controller),
> I have many warning messages when I compile vexpress board.
> 
> 
> smc91111.c: In function 'poll4int':
> smc91111.h:252:25: warning: cast to pointer from integer of different
> size [-Wint-to-pointer-cast]  #define SMC_inw(a,r) (*((volatile word
> *)((a)->iobase+(r))))
>                          ^
> smc91111.c:242:18: note: in expansion of macro 'SMC_inw'
>   word old_bank = SMC_inw (dev, BSR_REG);
>                   ^
> smc91111.h:261:28: warning: cast to pointer from integer of different
> size [-Wint-to-pointer-cast]  #define SMC_outw(a,d,r) (*((volatile word
> *)((a)->iobase+(r))) = d)
>                             ^
> smc91111.h:747:33: note: in expansion of macro 'SMC_outw'
>  #define SMC_SELECT_BANK(a,x)  { SMC_outw((a), (x), BANK_SELECT ); }
> 
> 

These are issues with the SMSC91c111 driver highlighted when trying to compile for ARM64.
I can try to fix the same, but will need some time to do the same, plus I don't have additional
platforms to test the same.

Regards,
Bhupesh