Re: [PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-10-01 Thread David Lamparter
On Sat, Sep 22, 2018 at 12:45:16AM -0500, Scott Wood wrote: > I don't suppose you're running a relocatable kernel at a non-zero # CONFIG_RELOCATABLE is not set > address, and/or are running in an environment that sets > HID0[EN_L2MMU_MHD] (neither standard U-boot nor Linux sets this bit, It's u-

Re: [PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-10-01 Thread David Lamparter
(Sorry about the delay on my end, deadlines ...) On Fri, Sep 21, 2018 at 06:07:48PM +, York Sun wrote: > On 09/21/2018 10:47 AM, Scott Wood wrote: > > On Fri, 2018-09-21 at 17:40 +, York Sun wrote: > >> On 09/20/2018 05:31 PM, Scott Wood wrote: > >>> On Fri, 2018-09-21 at 00:48 +0200, Davi

Re: [PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-09-23 Thread Michael Ellerman
David Lamparter writes: > This is a *partial* revert of "powerpc/85xx: Load all early TLB entries > at once" (d9e1831a420267a7ced708bb259d65b0a3c0344d.) > > My dusty old P4080DS just completely fails to boot (no output at all) > without this revert. I have no clue what's going on here, I just >

Re: [PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-09-21 Thread Scott Wood
On Fri, Sep 21, 2018 at 03:00:19AM +0200, David Lamparter wrote: > On Thu, Sep 20, 2018 at 07:31:33PM -0500, Scott Wood wrote: > > Do you have a JTAG that can be used to find out where it's hanging? If > > not, I can try to get early debug working (needs an early IOMMU mapping). s/IOMMU mapping/M

Re: [PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-09-21 Thread York Sun
On 09/21/2018 10:47 AM, Scott Wood wrote: > On Fri, 2018-09-21 at 17:40 +, York Sun wrote: >> On 09/20/2018 05:31 PM, Scott Wood wrote: >>> On Fri, 2018-09-21 at 00:48 +0200, David Lamparter wrote: This is a *partial* revert of "powerpc/85xx: Load all early TLB entries at once" (d9e18

Re: [PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-09-21 Thread Scott Wood
On Fri, 2018-09-21 at 17:40 +, York Sun wrote: > On 09/20/2018 05:31 PM, Scott Wood wrote: > > On Fri, 2018-09-21 at 00:48 +0200, David Lamparter wrote: > > > This is a *partial* revert of "powerpc/85xx: Load all early TLB entries > > > at once" (d9e1831a420267a7ced708bb259d65b0a3c0344d.) > > >

Re: [PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-09-21 Thread York Sun
On 09/20/2018 05:31 PM, Scott Wood wrote: > On Fri, 2018-09-21 at 00:48 +0200, David Lamparter wrote: >> This is a *partial* revert of "powerpc/85xx: Load all early TLB entries >> at once" (d9e1831a420267a7ced708bb259d65b0a3c0344d.) >> >> My dusty old P4080DS just completely fails to boot (no outpu

Re: [PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-09-20 Thread David Lamparter
On Thu, Sep 20, 2018 at 07:31:33PM -0500, Scott Wood wrote: > On Fri, 2018-09-21 at 00:48 +0200, David Lamparter wrote: > > This is a *partial* revert of "powerpc/85xx: Load all early TLB entries > > at once" (d9e1831a420267a7ced708bb259d65b0a3c0344d.) > > > > My dusty old P4080DS just completely

Re: [PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-09-20 Thread Scott Wood
On Fri, 2018-09-21 at 00:48 +0200, David Lamparter wrote: > This is a *partial* revert of "powerpc/85xx: Load all early TLB entries > at once" (d9e1831a420267a7ced708bb259d65b0a3c0344d.) > > My dusty old P4080DS just completely fails to boot (no output at all) > without this revert. I have no clu

[PATCH ppc-next] powerpc/fsl-booke: don't load early TLB at once

2018-09-20 Thread David Lamparter
This is a *partial* revert of "powerpc/85xx: Load all early TLB entries at once" (d9e1831a420267a7ced708bb259d65b0a3c0344d.) My dusty old P4080DS just completely fails to boot (no output at all) without this revert. I have no clue what's going on here, I just bisected it down and since it looks l