[U-Boot] [PATCH 2/2] mx6cuboxi: Make Ethernet functional

[Tom Rini]

On Mon, Jan 04, 2016 at 02:36:18PM -0200, Fabio Estevam wrote:

> From: Fabio Estevam <fabio.estevam at nxp.com>
> 
> Since commit 59370f3fcd1350 ("net: phy: delay only if reset handler is
> registered") Ethernet is no longer functional:
> 
> Booting from net ...                                                            
> FEC Waiting for PHY auto negotiation to complete......... TIMEOUT !             
> BOOTP broadcast 1                                                               
> BOOTP broadcast 2                                                               
> BOOTP broadcast 3                                                               
> BOOTP broadcast 4 
> 
> This commit does not have an issue in itself, but it revelead a problem
> with the Ethernet initialization.
>                                          
> Configure the AR8035 PHY in the same manner as done in mx6sabresd
> and wandboard, so that we can get a reliable Ethernet operation.  
> 
> Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>

Note:
CPU:   Freescale i.MX6D rev1.5 996 MHz (running at 792 MHz)
CPU:   Extended Commercial temperature grade (-20C to 105C) at 14C
Reset cause: POR
Board: MX6 Hummingboard
...
=> setenv autoload no
=> dhcp
FEC Waiting for PHY auto negotiation to complete......... TIMEOUT !
BOOTP broadcast 1
BOOTP broadcast 2
BOOTP broadcast 3
BOOTP broadcast 4
BOOTP broadcast 5
BOOTP broadcast 6
BOOTP broadcast 7
DHCP client bound to address 192.168.0.219 (7901 ms)
=> tftp ramdisk-pm.gz
Using FEC device
TFTP from server 192.168.0.3; our IP address is 192.168.0.219
Filename 'ramdisk-pm.gz'.
Load address: 0x12000000
Loading: #################################################################
	 #################################################################
	 #################################################################
	 #################################################################
	 #################################################################
	 #################################################################
	 ######
	 1.4 MiB/s
done
Bytes transferred = 2022580 (1edcb4 hex)
=> crc32 $loadaddr $filesize
CRC32 for 12000000 ... 121edcb3 ==> 775dd44d
=> 

CRC32 matches:
$ rhash -C /tftpboot/ramdisk-pm.gz
; Generated by RHash v1.2.8 on 2016-01-04 at 12:04.37
; Written by Aleksey (Akademgorodok) - http://rhash.sourceforge.net/
;
;      2022580  13:41.29 2013-06-25 /tftpboot/ramdisk-pm.gz
/tftpboot/ramdisk-pm.gz 775DD44D

Tested-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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