[U-Boot] [PATCH v3] TI: OMAP3: Overo Tobi ethernet support

Dirk Behme
2009-10-08T05:05:18Z

Steve Sakoman wrote:
> On Wed, Oct 7, 2009 at 9:50 PM, Dirk Behme <dirk.behme@googlemail.com> wrote:
>> Olof Johansson wrote:
>>> On Oct 5, 2009, at 8:56 AM, Steve Sakoman <sakoman@gmail.com> wrote:
>>>
>>>> On Sat, Sep 26, 2009 at 2:14 PM, Olof Johansson <olof@lixom.net> wrote:
>>>>> Add setup for ethernet on Tobi, allowing kernel/ramdisk to be loaded
>>>>> over tftp.
>>>>>
>>>>> This also refactors the smc911x driver to allow for detecting when the
>>>>> chip is missing. I.e. the detect_chip() function is called earlier and
>>>>> will abort gracefully when the Chip ID read returns all 1's.
>>>>>
>>>> Hmm . . . I just tried this on a board without smc911x chip and it
>>>> seems to hang after printing "Net".
>>>>
>>>> Did it work for you in this case? Haven't had time to debug yet, but
>>>> will try to look later today.
>>> The only hardware I have is tobi, which is why I thought I cc:d you as
>>> well as asked others to test with other carriers if they had them.
>>>
>>> I guess first thing to find out is if it's the first read that hangs or
>>> what.
>> Any idea how to go on with this? I have no Tobi, so unfortunately I can't
>> help here.
>
> I've been testing the patch below, which seems to work with all boards
> I've tried. It simply moves the test a bit earlier.

Great, thanks!

Olof: Could you test this? If it works for you, too, we should apply
it on top of u-boot-ti (and u-boot-arm/next) then (or modify initial
[1] ?).

Most probably we need a Signed-off-by then ;)

Thanks

Dirk

[1]
http://git.denx.de/?p=u-boot/u-boot-arm.git;a=commit;h=4eb3af078267e103fb957cb831497cf7670fb3f4

> Steve
>
> --- git/drivers/net/smc911x.c-orig 2009-09-29 16:24:48.000000000 -0700
> +++ git/drivers/net/smc911x.c 2009-10-05 20:41:55.000000000 -0700
> @@ -249,6 +249,12 @@ int smc911x_initialize(u8 dev_num, int b
>
> dev->iobase = base_addr;
>
> + /* Try to detect chip. Will fail if not present. */
> + if (smc911x_detect_chip(dev)) {
> + free(dev);
> + return 0;
> + }
> +
> addrh = smc911x_get_mac_csr(dev, ADDRH);
> addrl = smc911x_get_mac_csr(dev, ADDRL);
> dev->enetaddr[0] = addrl;
> @@ -264,12 +270,6 @@ int smc911x_initialize(u8 dev_num, int b
> dev->recv = smc911x_rx;
> sprintf(dev->name, "%s-%hu", DRIVERNAME, dev_num);
>
> - /* Try to detect chip. Will fail if not present. */
> - if (smc911x_detect_chip(dev)) {
> - free(dev);
> - return 0;
> - }
> -
> eth_register(dev);
> return 0;
> }
>