Re: [PATCH v8 0/3] add the GPMI controller driver for IMX23/IMX28

Huang Shijie
2011-07-29T09:49:48Z

于 2011年07月29日 15:40, Koen Beel 写道:
> Hi,
>
> On Fri, Jul 29, 2011 at 9:20 AM, Lothar Waßmann<LW@karo-electronics.de> wrote:
>> Hi,
>>
>> Koen Beel writes:
>>> Hi,
>>>
>>> I have test on mx23evk board. Still see the same issues.
>>>
>>> On Wed, Jul 27, 2011 at 3:53 AM, Huang Shijie<b32955@freescale.com> wrote:
>>>> Hi,
>>>>
>>>> Thanks for your test.
>>>>
>>>>> Hi,
>>>>>
>>>>> It's not really working for me.
>>>>> I've applied all gpmi-nand driver patches and the dma driver patches.
>>>>>
>>>>> I have added following kernel parameters:
>>>>> mtdparts=gpmi-nand:20m(boot),-(user) ubi.mtd=1 root=ubi0:rootfs0
>>>>> rootfstype=ubifs gpmi_debug_init
>>>>>
>>>>> During boot I get already get DMA timeout:
>>>>> [ 2.560000] [ start_dma_without_bch_irq : 392 ] DMA timeout, last DMA
>>>>> :1
>>>>> [ 3.560000] [ start_dma_with_bch_irq : 427 ] bch timeout!!!
>>>>> ...
>>>>> (see log file in attach line 89)
>>> I still see this DMA timeout when booting.
>>> What kernel parameters do you use? I still use same as above.
>>>
>> Do you have an SD card in the system? I'm getting the same error when
>> accessing an SD card. Without SD card I can use the flash without any
>> errors.
> No SD card in the system. At least not on my mx23evk board.
> My real target hardware has a SDIO wifi chip.
Does it conflict with the GPMI?
> Are you also testing on the mx23evk board? Really strange it is not
> reproducible here then.
> Anyone using mx23evk please give:
I tested the code in mx23evk.
After boot the kernel and login the shell, I met a problem:
the flash_eraseall can not run with the log:
"Floating point exception"
:(

> - revision number of board (I have tested on rev C1)
Revision number is C.
> - kernel parameter used (see previous mail for mine)
>
"console=ttyAMA0,115200 root=/dev/mmcblk0p1 rw rootwait gpmi_debug_init"

Best Regards
Huang Shijie
> Regards,
> Koen
>
>>
>> Lothar Waßmann
>> --
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