[U-Boot] [PATCH 4/5] toradex: configblock: fix apalis imx8 target

Peng Fan peng.fan at nxp.com
Wed Jul 10 09:09:24 UTC 2019


> Subject: Re: [U-Boot] [PATCH 4/5] toradex: configblock: fix apalis imx8 target
> 
> On Wed, 2019-07-10 at 08:11 +0000, Peng Fan wrote:
> > Hi,
> >
> > > Subject: Re: [U-Boot] [PATCH 4/5] toradex: configblock: fix apalis
> > > imx8 target
> > >
> > > Hi Igor
> > >
> > > On Tue, 2019-07-09 at 10:27 +0000, Igor Opaniuk wrote:
> > > > HI Marcel,
> > > >
> > > > On Tue, Jul 9, 2019 at 12:43 PM Marcel Ziswiler <
> > > > marcel at ziswiler.com>
> > > > wrote:
> > > > > From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
> > > > >
> > > > > The Apalis iMX8 was missing the interactive part should a
> > > > > customer have bricked his module and want to re-create the
> > > > > configuration block.
> > > > > Fix
> > > > > this.
> > > > >
> > > > > Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
> > > > >
> > > > > ---
> > > > >
> > > > >  board/toradex/common/tdx-cfg-block.c | 15 ++++++++++++++-
> > > > >  1 file changed, 14 insertions(+), 1 deletion(-)
> > > > >
> > > > > diff --git a/board/toradex/common/tdx-cfg-block.c
> > > > > b/board/toradex/common/tdx-cfg-block.c
> > > > > index 90df5bb2ff..a81b0f637c 100644
> > > > > --- a/board/toradex/common/tdx-cfg-block.c
> > > > > +++ b/board/toradex/common/tdx-cfg-block.c
> > > > > @@ -7,6 +7,7 @@
> > > > >  #include "tdx-cfg-block.h"
> > > > >
> > > > >  #if defined(CONFIG_TARGET_APALIS_IMX6) || \
> > > > > +       defined(CONFIG_TARGET_APALIS_IMX8) || \
> > > > >         defined(CONFIG_TARGET_COLIBRI_IMX6) || \
> > > > >         defined(CONFIG_TARGET_COLIBRI_IMX8X)
> > > > >  #include <asm/arch/sys_proto.h> @@ -356,7 +357,19 @@ static int
> > > > > get_cfgblock_interactive(void)
> > > > >                 tdx_hw_tag.prodid = COLIBRI_IMX7D;
> > > > >         else if (!strcmp("imx7s", soc))
> > > > >                 tdx_hw_tag.prodid = COLIBRI_IMX7S;
> > > > > -       else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
> > > > > +       else if (is_cpu_type(MXC_CPU_IMX8QM)) {
> > > > > +               if (it == 'y' || it == 'Y') {
> > > > > +                       if (wb == 'y' || wb == 'Y')
> > > > > +                               tdx_hw_tag.prodid =
> > > > > APALIS_IMX8QM_WIFI_BT_IT;
> > > > > +                       else
> > > > > +                               tdx_hw_tag.prodid =
> > > > > APALIS_IMX8QM_IT;
> > > > > +               } else {
> > > > > +                       if (wb == 'y' || wb == 'Y')
> > > > > +                               tdx_hw_tag.prodid =
> > > > > APALIS_IMX8QP_WIFI_BT;
> > > >
> > > > Just curious why NXP guys decided to call this CPU type as
> > > > MXC_CPU_IMX8QM, and why not to drop the last M, or even both QM
> > > > (taking into account that marketing name is simple IMX8 for these
> > > > SoC series [1]. and iMX8M and iMX8X respectively for M and X
> > > > series), because it's not obvious for me that APALIS_IMX8QP has
> > > > any relation to MXC_CPU_IMX8QM.
> > >
> > > Good questions. Maybe some of the NXP folks dare answering?
> >
> > Thanks for adding me, please also add uboot-imx at nxp.com for i.MX
> > patches for patch review. I am not able catch every thread in
> > community.
> >
> > Back to the question,
> > MXC_CPU_IMX8QM is just follow i.MX8QM. no special reason.
> >
> > So you are using i.MX8QP? or i.MX8QM?
> 
> Initially it was just about the i.MX 8QM but eventually both. We are also
> experimenting with automatically detecting i.MX 8QM vs. 8QP and selecting
> resp. Apalis iMX8 SKU's memory size. Will there also be a MXC_CPU_IMX8QP
> or what exactly are your plans?

I do not have QP chips to test.
If get_cpu_rev returns same value for i.MX8QM/QP, MXC_CPU_IMX8QP will
not be added. If different value, MXC_CPU_IMX8QP needs to be added.

Regards,
Peng.

> 
> > Thanks,
> > Peng.
> >
> > > Cheers
> > >
> > > Marcel
> > >
> > > > > +                       else
> > > > > +                               tdx_hw_tag.prodid =
> > > APALIS_IMX8QP;
> > > > > +               }
> > > > > +       } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
> > > > >                 if (it == 'y' || it == 'Y') {
> > > > >                         if (wb == 'y' || wb == 'Y')
> > > > >                                 tdx_hw_tag.prodid =
> > > > > COLIBRI_IMX8QXP_WIFI_BT_IT;
> > > > > --
> > > > > 2.21.0
> > > > >
> > > > > _______________________________________________
> > > > > U-Boot mailing list
> > > > > U-Boot at lists.denx.de
> > > > > https://li
> > > > >
> > >
> sts.denx.de%2Flistinfo%2Fu-boot&data=02%7C01%7Cpeng.fan%40nxp.c
> > > o
> > >
> m%7C6f1126063c684a60ae7008d7050115ca%7C686ea1d3bc2b4c6fa92cd99
> > > c5c301
> > >
> 635%7C0%7C0%7C636983374525754073&sdata=heJJTIdWibdA9594lJu
> > > FXZ6AS
> > > > > bWx%2FKrjL160ahWX0dM%3D&reserved=0
> > > >
> > > > Reviewed-by: Igor Opaniuk <igor.opaniuk at toradex.com>
> > > >
> > > > [1]
> > > > https://en.w
> > > >
> > >
> ikipedia.org%2Fwiki%2FI.MX%23i.MX_8_series&data=02%7C01%7Cpen
> > > g.fan
> > > > %40nxp.com%7C6f1126063c684a60ae7008d7050115ca%7C686ea1d3b
> c2b
> > > 4c6fa92cd9
> > >
> 9c5c301635%7C0%7C0%7C636983374525754073&sdata=x7uth7RukJ1J
> > > x46Dzkav
> > > > 39TtPidNmXrggBc7a4xi2Kk%3D&reserved=0
> > > >
> > > > --
> > > > Best regards - Freundliche GrĂ¼sse - Meilleures salutations
> > > >
> > > > Senior Development Engineer,
> > > > Igor Opaniuk
> > > >
> > > > Toradex AG
> > > > Altsagenstrasse 5 | 6048 Horw/Luzern | Switzerland | T: +41 41
> > > > 500 48
> > > > 00 (main line)


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