[U-Boot] [PATCH] don't touch non-existent EHCI regs on MPC837x.

From: Andre Schwarz <andre.schwarz@matrix-vision.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] don't touch non-existent EHCI regs on MPC837x.
Date: Mon, 15 Nov 2010 16:14:06 +0100	[thread overview]
Message-ID: <4CE14E3E.7060208@matrix-vision.de> (raw)
In-Reply-To: <01B47185-4A57-498D-9F4E-694A38DFDB4D@kernel.crashing.org>

Kumar,
>> Signed-off-by: Andre Schwarz<andre.schwarz@matrix-vision.de>
>> ---
>> arch/powerpc/cpu/mpc83xx/cpu_init.c |    2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>      
> This doesn't seem quite right, the MPC837x has USB controllers.
>
> - k
>    

yes, it has - and it is working fine.
But USB register range 0x00-0xff is reserved and hangs the CPU.

With this patch USB is working fine on at least MPC8377.

>> diff --git a/arch/powerpc/cpu/mpc83xx/cpu_init.c b/arch/powerpc/cpu/mpc83xx/cpu_init.c
>> index 7a1cae7..cfead18 100644
>> --- a/arch/powerpc/cpu/mpc83xx/cpu_init.c
>> +++ b/arch/powerpc/cpu/mpc83xx/cpu_init.c
>> @@ -327,7 +327,7 @@ void cpu_init_f (volatile immap_t * im)
>> 	im->gpio[1].dir = CONFIG_SYS_GPIO2_DIR;
>> #endif
>> #ifdef CONFIG_USB_EHCI_FSL
>> -#ifndef CONFIG_MPC834x
>> +#if !defined(CONFIG_MPC834x)&&  !defined(CONFIG_MPC837x)
>> 	uint32_t temp;
>> 	struct usb_ehci *ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB_ADDR;
>>
>> -- 
>> 1.7.0.4
>>
>> _______________________________________________
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>> http://lists.denx.de/mailman/listinfo/u-boot
>>      
>    

Regards,
Andr?

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