[U-Boot] Ask for help: Compulab CM-510 U-boot version: Load Kernel from SD-Card

[Dmitry Lifshitz]

Hi Gabriel,

Sorry for the late reply.
I see you made a progress with that issue.

Thank you for sharing the results.

Best regards,

Dmitry

On 03/05/2015 11:48 AM, Gabriel Dobato wrote:
> Hi Dmitry,
>
> Finally, I got the SD Card as a bootable kernel space. However I had to
> set the registers as below:
>
>  >>>> #define CM_A510_MPP0_7                        0x00000033 (does not
> matter)
>  >>>> #define CM_A510_MPP8_15                       0x00445050 (does not
> matter)
>  >>>> #define CM_A510_MPP16_23                      0x33333333 <----
> (SDIO0 and SDIO1)
>
>
> Regards,
>
> Gabriel
>
>
>
> On 04/03/15 09:50, Dmitry Lifshitz wrote:
>> Hi Gabriel,
>>
>> On 03/04/2015 10:18 AM, Gabriel Dobato wrote:
>>> HI Dmitry,
>>>
>>> Thank you very much for your answer!
>>>
>>> I have tried it, but I get the same:
>>>
>>> CM-A510>> mmc init
>>> CM-A510>> mmcinfo 0
>>> Device: MV_SDHCI
>>> Manufacturer ID: 0
>>> OEM: 0
>>> Name: Tran Speed: 0
>>> Rd Block Len: 0
>>> MMC version 0.0
>>> High Capacity: No
>>> Capacity: 0
>>> Bus Width: 0-bit
>>>
>>> In reference to peripherals, only is available USB and Ethernet 0 by
>>> default. I am searching in the sources just in case there is something
>>> else... but I am afraid I will not find something.
>>>
>>>>> #define CM_A510_MPP0_7                                 0x00000033
>>>>> #define CM_A510_MPP8_15                                0x00445050
>>>>> #define CM_A510_MPP16_23                               0x66664040
>>>
>>
>> We forked from DB88AP510-A-P dev board code. Apply the patches from the
>> latest CM-A510 U-Boot package
>> (http://www.compulab.co.il/products/computer-on-modules/cm-a510/#devres)
>> to see the changes log and build instructions.
>>
>>> By the way, how do you get that resgisters? In my case, I tried to
>>> define them as per as Marvell 88AP510 Specification reference. Is it the
>>> right place?
>>>
>>> Best regards,
>>>
>>> Gabriel
>>
>>
>> Regards,
>>
>> Dmitry
>
>