[U-Boot] [PATCH v3 4/8] armv8: Add workaround for USB erratum A-009007

Suresh Gupta suresh.gupta at nxp.com
Wed Mar 1 04:06:27 UTC 2017


OK York, will send new patch.. 

> -----Original Message-----
> From: york sun
> Sent: Tuesday, February 28, 2017 9:56 PM
> To: Suresh Gupta <suresh.gupta at nxp.com>
> Cc: u-boot at lists.denx.de; Scott Wood <scott.wood at nxp.com>; Leo Li
> <leoyang.li at nxp.com>; Sriram Dash <sriram.dash at nxp.com>; Rajesh Bhagat
> <rajesh.bhagat at nxp.com>
> Subject: Re: [PATCH v3 4/8] armv8: Add workaround for USB erratum A-009007
> 
> On 02/28/2017 02:52 AM, Suresh Gupta wrote:
> >
> >
> >> -----Original Message-----
> >> From: york sun
> >> Sent: Friday, February 24, 2017 10:31 PM
> >> To: Suresh Gupta <suresh.gupta at nxp.com>
> >> Cc: u-boot at lists.denx.de; Scott Wood <scott.wood at nxp.com>; Leo Li
> >> <leoyang.li at nxp.com>; Sriram Dash <sriram.dash at nxp.com>; Rajesh
> >> Bhagat <rajesh.bhagat at nxp.com>
> >> Subject: Re: [PATCH v3 4/8] armv8: Add workaround for USB erratum
> >> A-009007
> >>
> >> On 02/23/2017 11:19 PM, Suresh Gupta wrote:
> >>> Hi York,
> >>>
> >>> It is not good idea to change the values of all macro at this time
> >>> as the code
> >> tested on different platforms.
> >>
> >> I am not talking about any value change. You are using writew. Why
> >> not using
> >> out_be16 as you thought?
> >
> > For now all values in macro (like USB_PHY_RX_EQ_VAL_2) are swapped and
> > if I want to use out_be16, then I need to change values of all macros,
> > which intern require testing on all platform.
> > That's the reason, I don't want to make such changes and break the
> > working USB
> >
> 
> Suresh,
> 
> This erratum only applies to LS1043A, LS1046A, LS2080A. It wouldn't be too
> much trouble to verify all of them. I'd rather we do it right at the first place than
> coming back to fix it. Are you in a rush to get this patch out?
> 
> Another thing, please drop defined(CONFIG_ARCH_LS2085A) for all the patches.
> We only use CONFIG_ARCH_LS2080A.
> 
> York


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