arm64: imx8qm: tlb SW workaround for IMX8QM

arm64: imx8qm: tlb SW workaround for IMX8QM

[Oliver Graute]

Hello,

is this nxp software workaround already proposed to linux community? can
someone point me to the discussion if available.

https://source.codeaurora.org/external/imx/linux-imx/commit/?h=3Dimx_5.4.3_=
2.0.0&id=3D593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c

Best Regards,

Oliver

Re: arm64: imx8qm: tlb SW workaround for IMX8QM

[Oliver Graute]

On 27/04/20, Oliver Graute wrote:
> Hello,
> 
> is this nxp software workaround already proposed to linux community? can
> someone point me to the discussion if available.
> 
> https://source.codeaurora.org/external/imx/linux-imx/commit/?h=3Dimx_5.4.3_=
> 2.0.0&id=3D593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c

sry for the broken link. Here the right one:

https://source.codeaurora.org/external/imx/linux-imx/commit/?h=imx_5.4.3_2.0.0&id=593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c

Best regards,

Oliver

Re: arm64: imx8qm: tlb SW workaround for IMX8QM

[Will Deacon]

On Mon, Apr 27, 2020 at 03:03:28PM +0200, Oliver Graute wrote:
> On 27/04/20, Oliver Graute wrote:
> > Hello,
> > 
> > is this nxp software workaround already proposed to linux community? can
> > someone point me to the discussion if available.
> > 
> > https://source.codeaurora.org/external/imx/linux-imx/commit/?h=3Dimx_5.4.3_=
> > 2.0.0&id=3D593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c
> 
> sry for the broken link. Here the right one:
> 
> https://source.codeaurora.org/external/imx/linux-imx/commit/?h=imx_5.4.3_2.0.0&id=593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c

Hey, if we're trading links then it should be fixed by:

https://www.hobbytronics.co.uk/jumper-kit-140

Unfortunately, I don't think there's a gift-wrap option for the hardware
folks ;)

Will

Re: arm64: imx8qm: tlb SW workaround for IMX8QM

[Oliver Graute]

On 27/04/20, Oliver Graute wrote:
> On 27/04/20, Oliver Graute wrote:
> > Hello,
> > 
> > is this nxp software workaround already proposed to linux community? can
> > someone point me to the discussion if available.
> > 
> > https://source.codeaurora.org/external/imx/linux-imx/commit/?h=3Dimx_5.4.3_=
> > 2.0.0&id=3D593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c
> 
> sry for the broken link. Here the right one:
> 
> https://source.codeaurora.org/external/imx/linux-imx/commit/?h=imx_5.4.3_2.0.0&id=593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c

this patch is not applicable anymore since next-20200713. Is there an
updated one?

Best Regards,

Oliver

RE: arm64: imx8qm: tlb SW workaround for IMX8QM

[Jason Liu]

> -----Original Message-----
> From: Oliver Graute <oliver.graute@gmail.com>
> Sent: Monday, August 10, 2020 2:13 PM
> To: Jason Liu <jason.hui.liu@nxp.com>
> Cc: Anson Huang <anson.huang@nxp.com>; Aisheng Dong
> <aisheng.dong@nxp.com>; catalin.marinas@arm.com; will@kernel.org;
> dl-linux-imx <linux-imx@nxp.com>; linux-kernel@vger.kernel.org
> Subject: Re: arm64: imx8qm: tlb SW workaround for IMX8QM
> 
> On 27/04/20, Oliver Graute wrote:
> > On 27/04/20, Oliver Graute wrote:
> > > Hello,
> > >
> > > is this nxp software workaround already proposed to linux community?
> > > can someone point me to the discussion if available.
> > >
> > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fso
> > >
> urce.codeaurora.org%2Fexternal%2Fimx%2Flinux-imx%2Fcommit%2F%3Fh%3
> D3
> > >
> Dimx_5.4.3_%3D&amp;data=02%7C01%7Cjason.hui.liu%40nxp.com%7Cef51bf
> 7d
> > >
> 704f4b7439f808d83cf48290%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%
> 7C0%
> > >
> 7C637326368154132369&amp;sdata=GrMP8XdoYETWiFdHTHStYv7CEZjRx%2F
> mkygA
> > > prGckrus%3D&amp;reserved=0
> > > 2.0.0&id=3D593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c
> >
> > sry for the broken link. Here the right one:
> >
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsour
> >
> ce.codeaurora.org%2Fexternal%2Fimx%2Flinux-imx%2Fcommit%2F%3Fh%3Di
> mx_5
> > .4.3_2.0.0%26id%3D593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c&amp;da
> ta=02
> > %7C01%7Cjason.hui.liu%40nxp.com%7Cef51bf7d704f4b7439f808d83cf4829
> 0%7C6
> >
> 86ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637326368154142361&a
> mp;sdata
> >
> =US2Pu6eOo3vLLNBH7Y1zZM5LACrnhLWGmx7bOc5fNg4%3D&amp;reserved=
> 0
> 
> this patch is not applicable anymore since next-20200713. Is there an updated
> one?

The patch has been updated a little bit according to latest ERRATA. The patch not
sent upstream yet.

> 
> Best Regards,
> 
> Oliver