USB does not work on mpc8347

USB does not work on mpc8347

[山崎 精二]

Hi all,

I am running the Linux kernel 2.6.28.7 on my PPC8347 BRD.
I have some problem.

One is USB does not work on mpc8347.
platform_driver_probe(&udc_driver, fsl_udc_probe) is failed.
struct is 
static struct platform_driver udc_driver = {
	.probe = fsl_udc_probe,
	.remove  = __exit_p(fsl_udc_remove),
	/* these suspend and resume are not usb suspend and resume */
	.suspend = fsl_udc_suspend,
	.resume  = fsl_udc_resume,
	.driver  = {
//		.name = (char *)driver_name,
		.name		= "fsl-usb2-mph",
		.owner = THIS_MODULE,
	},
};
I do not know why it fails.
Do i have to do something ?

-Seiji  

-- 
yamazaki seiji <yamazaki.seiji@kk.jp.panasonic.com>

RE: USB does not work on mpc8347

[Li Yang-R58472]

> -----Original Message-----
> From: linuxppc-dev-bounces+leoli=freescale.com@ozlabs.org 
> [mailto:linuxppc-dev-bounces+leoli=freescale.com@ozlabs.org] 
> On Behalf Of 山崎　精二
> Sent: Wednesday, April 01, 2009 5:14 PM
> To: linuxppc-dev@ozlabs.org
> Subject: USB does not work on mpc8347
> 
> Hi all,
> 
> I am running the Linux kernel 2.6.28.7 on my PPC8347 BRD.
> I have some problem.
> 
> One is USB does not work on mpc8347.
> platform_driver_probe(&udc_driver, fsl_udc_probe) is failed.
> struct is
> static struct platform_driver udc_driver = {
> 	.probe = fsl_udc_probe,
> 	.remove  = __exit_p(fsl_udc_remove),
> 	/* these suspend and resume are not usb suspend and resume */
> 	.suspend = fsl_udc_suspend,
> 	.resume  = fsl_udc_resume,
> 	.driver  = {
> //		.name = (char *)driver_name,
> 		.name		= "fsl-usb2-mph",

Why are you changing this?  Mph module can only be host, not the device mode supported by this driver.

> 		.owner = THIS_MODULE,
> 	},
> };
> I do not know why it fails.
> Do i have to do something ?

So what function did you try to test?  Host or device?  For host mode, you should look into the drivers/usb/host/ehci-fsl.c file.

- Leo

Java Runtime Environment on mpc8347

[yamazaki seiji]

Hi all,

I am running the Linux kernel 2.6.28.7 on my PPC8347 BRD.
I have a plan of running Java on my PPC8347 BRD.
I have read the article about Java on Freescale processor before. 

Do you know how to get it?

-- 
yamazaki seiji <yamazaki.seiji@kk.jp.panasonic.com>

RE: USB does not work on mpc8347

[Li Yang-R58472]

>Hi Leo
>
>USB work on mpc8347 now.
>Thank you for your help.
>The cause was Clock signal was not connected to USB.
>
>And I have the other problem.
>I need to java run time environment on mpc8347.
>I do not know where i can get it.
>Could you tell me if you know.

I have no particular knowledge about installing JRE on Linux.  Google
leads me to this link which might be helpful: http://openjdk.java.net/

- Leo