[U-Boot] TFTP support for Pandaboard (OMAP4430 Cortex-A9 Dual core)
Simon Glass
sjg at chromium.org
Fri Jun 10 17:03:11 CEST 2011
On Tue, Jun 7, 2011 at 2:31 AM, Iordan Neshev <ineshev at daisytechbg.com> wrote:
> On 6/7/2011 10:53 AM, Gilles Chanteperdrix wrote:
>> On 06/06/2011 08:07 PM, Peter Meerwald wrote:
>>>> 1. I need to boot my Pandaboard via TFTP. As long as I see this is
>>>> not yet possible, since in u-boot\include\configs\omap4_panda.h
>>>> there is:
>>>> /* Disabled commands */
>>>> #undef CONFIG_CMD_NET
>>>> #undef CONFIG_CMD_NFS
>>> a couple of patches have been posted on this ML to support SMSC USB
>>> ethernet and EHCI; I have been unsuccessful so far to get them to work but
>>> maybe there is hope... :)
>> Hi Peter,
>>
>> Here is how it worked for me:
>> I Updated x-loader to the latest revision from omap4_dev branch from
>> x-loader git (git://git.omapzoom.org/repo/x-loader.git, you can find
>> this information on pandaboard wiki), the head at the time being commit
>> c8855fa6b85bd44073bd1b25dbffa99f02cbeeed
>>
>> I cloned u-boot git, the head at the time being commit
>> 96d04c3150ae9284500aef48803d7d132968f2b2
>>
>> I applied some of Simon's patches:
>> Add support for SMSC95XX USB 2.0 10/100MBit Ethernet Adapter
>> Add Ethernet hardware MAC address framework to usbnet
>> Add documentation for USB Host Networking
>>
>> The applied the patches I already posted on this list:
>> omap4: add support for gpios
>> omap4: add support for EHCI
>> omap4_panda: add support for EHCI
>>
>> Then an additional patch in order to get the mac address working for
>> smsc95xx:
>> diff --git a/drivers/usb/eth/smsc95xx.c b/drivers/usb/eth/smsc95xx.c
>> index 4d8dde0..97f2729 100644
>> --- a/drivers/usb/eth/smsc95xx.c
>> +++ b/drivers/usb/eth/smsc95xx.c
>> @@ -873,6 +873,7 @@ int smsc95xx_eth_get_info(struct usb_device *dev,
>> struct ueth_data *ss,
>> eth->send = smsc95xx_send;
>> eth->recv = smsc95xx_recv;
>> eth->halt = smsc95xx_halt;
>> + eth->write_hwaddr = smsc95xx_write_hwaddr;
>> eth->priv = ss;
>> return 1;
>> }
>>
>> Then modified the config.h in order to enable all this, that is, adding:
>> #define CONFIG_CMD_USB 1
>> #define CONFIG_USB_STORAGE 1
>> #define CONFIG_USB_HOST_ETHER 1
>> #define CONFIG_USB_EHCI 1
>> #define CONFIG_USB_EHCI_OMAP4 1
>> #define CONFIG_USB_HOST 1
>> #define CONFIG_USB_ETHER_SMSC95XX 1
>>
> Does somebody have any idea when these patches will be committed to the
> git tree?
Hi Iordan,
I think the network maintainer was away - I will resend. I think there
has already been one 'patch to the patch' sent to the list. I do have
a panda board here but haven't got around to testing USB networking on
it.
Regards,
Simon
>
>
> Regards,
> Iordan
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