[U-Boot] about the DABT handler in imx_pcie.c

[U-Boot] about the DABT handler in imx_pcie.c

[Marek Vasut]

On Friday, January 24, 2014 at 12:55:07 PM, Wally Yeh wrote:
> Dear Marek:
>     I'm sorry to send this email bothering you.
> but I'm so curious about your patch in uboot:
> http://patchwork.ozlabs.org/patch/301216/
> 
> in your patch imx_pcie.c, there's a fuction replace the DABT handler for
> freescale i.mx6 series.
> 
> and you write this memory address to replace DABT handler:
> static const uint32_t data_abort_bounce_handler = 0xe25ef004;
> 
> I'm curious does this memory address stands for what?

That's an instruction, "subs pc, r14, #4" , means return from DABT.

> can I replace this value for what I want?

No, see above.

> I would be appreciated If you can give me some hint. thank you.

What do you need to do? Also next time, make sure to send email to the ML 
(CC'd).

Best regards,
Marek Vasut

[U-Boot] about the DABT handler in imx_pcie.c

[Marek Vasut]

On Friday, January 24, 2014 at 04:15:37 PM, Wally Yeh wrote:
> Dear Marek:
>     thank you very much! you really help me a lot. :D
> 
> and I see you in the community at the samw post about uboot pcie:
> https://community.freescale.com/message/375723?et=watches.email.thread#3757
> 23
> 
> I'm Wally Yeh in the post. so you possible know what I need to do now, I'm
> fix the issue "if pcie bridge not attach pcie device, uboot will hang up".
> 
> sorry for send this private mail to you, next I will send to the mailing
> list.

That's already fixed in the V2 of the patches (see the patchwork link I posted).

Best regards,
Marek Vasut