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d="p7s'?scan'208";a="81277347" From: Denis OSTERLAND-HEIM To: Ahmad Fatoum , Roland Hieber , Denis Osterland-Heim Cc: "barebox@lists.infradead.org" , Alexander Dahl Message-ID: <31cfa4b499ca4b6595df0ac15c146c2d@diehl.com> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg="sha-256"; boundary="----DD443D2E8FF77FCCECB1735AE1257902" Date: Tue, 5 Mar 2024 14:11:15 +0100 (CET) X-Bad-Reply: 'Re:' in Subject but no References or In-Reply-To headers X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240305_051124_543711_9CD1B0DD X-CRM114-Status: GOOD ( 40.38 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-105.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE,USER_IN_WELCOMELIST,USER_IN_WHITELIST autolearn=unavailable autolearn_force=no version=3.4.2 Subject: RE: [EXT] Re: [EXT] Re: [EXT] Re: [EXT] Re: [PATCH v2 2/2] raspi: fixup additional vc created nodes X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) This is an S/MIME signed message ------DD443D2E8FF77FCCECB1735AE1257902 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, Cool. Thanks for the trigger. Works fine on my side. You can add my Tested-by: Denis Osterland-Heim Regards, Denis -----Original Message----- From: Ahmad Fatoum =20 Sent: Tuesday, March 5, 2024 11:34 AM To: Denis OSTERLAND-HEIM ; Roland Hieber ; Denis Osterland-Heim Cc: barebox@lists.infradead.org; Alexander Dahl Subject: [EXT] Re: [EXT] Re: [EXT] Re: [EXT] Re: [PATCH v2 2/2] raspi: = fixup additional vc created nodes [EXTERNAL EMAIL] =20 On 29.02.24 07:03, Denis OSTERLAND-HEIM wrote: > Hi, >=20 > Well, the kernel in root A may have a different device tree, than the=20 > one in root B. > This is the kernel version update case. > What would break, depends on the changes to the dt. Hmm, ok. I just sent a patch that should support both my and your use = case. Cheers, Ahmad >=20 > Regards, Denis >=20 > -----Original Message----- > From: Ahmad Fatoum > Sent: Monday, February 26, 2024 1:39 PM > To: Denis OSTERLAND-HEIM ; Roland Hieber=20 > ; Denis Osterland-Heim > Cc: barebox@lists.infradead.org; Alexander Dahl > Subject: [EXT] Re: [EXT] Re: [EXT] Re: [PATCH v2 2/2] raspi: fixup=20 > additional vc created nodes >=20 > [EXTERNAL EMAIL] > =20 >=20 > Hello Denis, >=20 > On 21.02.24 08:46, Denis OSTERLAND-HEIM wrote: >> Hi, >> >> It took me a while to think about it. >> First I would like to explain my current boot process and then how I=20 >> think it would like with your suggestion. >> >> >> Now: >> >> Disk layout: >> - rpi boot fat: dt-2nd.img, barebox-dts, rpi-elf, config.txt >> - root A >> - root B >> >> Boot process: >> - rpi boot loader >> * load dt-2nd.img and dt >> * read Hat Eeprom >> * apply fixups to dt >> - barebox with dt from r2 >> * bootchooser select A or B >> * load kernel and dt from A or B >> * copy stuff to kernel dt from barebox internal dt as fixups >> - linux boot >> >> >> Your approach: >> >> Disk layout: >> - rpi boot fat: bb-rpi.img, some-dts, rpi-elf, config.txt >> - root A >> - root B >> >> Boot process: >> - rpi boot loader >> * load bb-rpi.img and dt >> * read Hat Eeprom >> * apply fixups to dt >> - barebox with built-in dt >> * bootchooser select A or B >> * load kernel and dt from A or B >> * copy stuff to kernel dt from /vc.dtb as fixups >=20 > This I don't understand. Why not use vc.dtb as kernel DT? You can=20 > still have barebox apply boot arg fixups and so on, but use /vc.dtb as base? >=20 >> - linux boot >> >> I can remember that I tried to implement the fixups as script in the=20 >> environment first, but switched to C somewhen. >> I can not recall the reason, sorry. >> I guess it was related to recursive copy. >> The C code uses of_merge_node or something like that, which is not=20 >> available as command, I think. >=20 > This can be made available to shell too if there's use for it, but I=20 > think this is tangential. >=20 >> If we can keep the patches an just do something like if /vc.dtb then=20 >> apply fixups, I would be fine with your approach. >> But I guess this almost exactly matches the `if(!IS_ERR(root))=20 >> rpi_vc_fdt_parse(root);` approach. >> If you just revert the patches, I guess I would have to find a way to = >> do it in script. >=20 > What would break if you used vc.dtb as kernel DT? >=20 > Thanks, > Ahmad >=20 >> >> Regards, Denis >> >> -----Original Message----- >> From: Ahmad Fatoum >> Sent: Tuesday, February 20, 2024 4:33 PM >> To: Denis OSTERLAND-HEIM ; Roland Hieber=20 >> ; Denis Osterland-Heim=20 >> >> Cc: barebox@lists.infradead.org; Alexander Dahl >> Subject: [EXT] Re: [EXT] Re: [PATCH v2 2/2] raspi: fixup additional=20 >> vc created nodes >> >> [EXTERNAL EMAIL] >> =20 >> >> Hello Denis, >> >> On 20.02.24 09:16, Denis OSTERLAND-HEIM wrote: >>> Hi, >>> >>> I think so, too. >>> I think that my mistake was in = 5ea6e19737e10973ce2cf785970e32562d9ee8f1. >> >> Yes. >> >>>> @@ -379,17 +381,17 @@ static void rpi_vc_fdt(void) >>>> if (oftree->totalsize) >>>> pr_err("there was an error copying fdt in pbl: >>> %d\n", >>>> be32_to_cpu(oftree->totalsize)); >>>> - return; >>> This return previously avoided a call of rpi_vc_fdt_parse(). >>> >> >> [snip] >> >>>> rpi_env_init(); >>>> - rpi_vc_fdt(); >>>> + root =3D rpi_vc_fdt(); >>>> + rpi_vc_fdt_parse(IS_ERR(root) ? priv->dev->device_node : root); >>> Now rpi_vc_fdt_parse() is called in both cases. >>> So, it should be: >>> if (!IS_ERR(root)) >>> rpi_vc_fdt_parse(root); >>>> rpi_set_kernel_name(); >>>> >>> ... >>> >>> Or do I miss something? >> >> Now that I think of it, I think the commit should just be reverted. >> I don't see the utility of using barebox-dt-2nd.img on the Raspberry = Pi: >> >> - If the board is already supported, use barebox-raspberry-pi.img, which >> has the DT built-in. >> >> - If the board is not supported , use barebox-raspberry-pi.img, = which >> will take the outside DT and save it where the board code expects = it. >> >> What do you think? >> >> Thanks, >> Ahmad >> >>> >>> Regards, Denis >>> >>> -----Original Message----- >>> From: Ahmad Fatoum >>> Sent: Monday, February 19, 2024 10:43 PM >>> To: Roland Hieber ; Denis Osterland-Heim=20 >>> >>> Cc: barebox@lists.infradead.org; Denis OSTERLAND-HEIM=20 >>> ; Alexander Dahl >>> Subject: [EXT] Re: [PATCH v2 2/2] raspi: fixup additional vc created = >>> nodes >>> >>> [EXTERNAL EMAIL] >>> =20 >>> >>> Hello Roland, >>> >>> On 19.02.24 20:14, Roland Hieber wrote: >>>> Hi, >>>> >>>> On Mon, Sep 25, 2023 at 01:10:05PM +0200, Denis Osterland-Heim = wrote: >>>>> From: Denis OSTERLAND-HEIM >>>>> >>>>> The video core creates some additional nodes. >>>>> This code takes over this values. >>>>> The /hat node is only there if an raspi hat with EEPROM is = detected. >>>>> >>>>> Signed-off-by: Denis OSTERLAND-HEIM >>>>> Acked-by: Ahmad Fatoum >>>>> --- >>>>> =A0arch/arm/boards/raspberry-pi/rpi-common.c | 39 >>>>> +++++++++++++++++------ >>>>> =A01 file changed, 30 insertions(+), 9 deletions(-) >>>>> >>>>> diff --git a/arch/arm/boards/raspberry-pi/rpi-common.c >>>>> b/arch/arm/boards/raspberry-pi/rpi-common.c >>>>> index ceafd55a56..713fad78c9 100644 >>>>> --- a/arch/arm/boards/raspberry-pi/rpi-common.c >>>>> +++ b/arch/arm/boards/raspberry-pi/rpi-common.c >>>>> @@ -264,19 +264,37 @@ static enum reset_src_type=20 >>>>> rpi_decode_pm_rsts(struct device_node *chosen, >>>>> =A0 >>>>> =A0static int rpi_vc_fdt_fixup(struct device_node *root, void = *data) >>>>> =A0{ >>>>> -=A0=A0=A0=A0=A0=A0=A0const struct device_node *vc_chosen =3D = data; >>>>> -=A0=A0=A0=A0=A0=A0=A0struct device_node *chosen; >>>>> +=A0=A0=A0=A0=A0=A0=A0const struct device_node *vc_node =3D data; >>>>> +=A0=A0=A0=A0=A0=A0=A0struct device_node *node; >>>>> +=A0=A0=A0=A0=A0=A0=A0struct property *pp; >>>>> =A0 >>>>> -=A0=A0=A0=A0=A0=A0=A0chosen =3D of_create_node(root, "/chosen"); >>>>> -=A0=A0=A0=A0=A0=A0=A0if (!chosen) >>>>> +=A0=A0=A0=A0=A0=A0=A0node =3D of_create_node(root, = vc_node->full_name); >>>>> +=A0=A0=A0=A0=A0=A0=A0if (!node) >>>>> =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0return -ENOMEM; >>>>> =A0 >>>>> -=A0=A0=A0=A0=A0=A0=A0of_copy_property(vc_chosen, = "overlay_prefix", chosen); >>>>> -=A0=A0=A0=A0=A0=A0=A0of_copy_property(vc_chosen, "os_prefix", = chosen); >>>>> +=A0=A0=A0=A0=A0=A0=A0for_each_property_of_node(vc_node, pp) >>>>> = +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0of_copy_property(vc_node, = pp->name, node); >>>>> =A0 >>>>> =A0=A0=A0=A0=A0=A0=A0=A0return 0; >>>>> =A0} >>>>> =A0 >>>>> +static struct device_node *register_vc_fixup(struct device_node=20 >>>>> +*root, >>>>> = +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 const char = *path) { >>>>> +=A0=A0=A0=A0=A0=A0=A0struct device_node *ret, *tmp; >>>>> + >>>>> +=A0=A0=A0=A0=A0=A0=A0ret =3D of_find_node_by_path_from(root, = path); >>>>> +=A0=A0=A0=A0=A0=A0=A0if (ret) { >>>>> +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0tmp =3D of_dup(ret); >>>>> +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0tmp->full_name =3D = xstrdup(ret->full_name); >>>>> = +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0of_register_fixup(rpi_vc_fd= t_fixup, tmp); >>>>> +=A0=A0=A0=A0=A0=A0=A0} else { >>>>> +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0pr_info("no '%s' = node found in vc fdtn", path); >>>>> +=A0=A0=A0=A0=A0=A0=A0} >>>>> + >>>>> +=A0=A0=A0=A0=A0=A0=A0return ret; >>>>> +} >>>>> + >>>>> =A0static u32 rpi_boot_mode, rpi_boot_part; >>>>> =A0/* Extract useful information from the VideoCore FDT we got. >>>>> =A0 * Some parameters are defined here: >>>>> @@ -300,14 +318,17 @@ static void rpi_vc_fdt_parse(struct=20 >>>>> device_node >>>>> *root) >>>>> =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0free(str); >>>>> =A0=A0=A0=A0=A0=A0=A0=A0} >>>>> =A0 >>>>> -=A0=A0=A0=A0=A0=A0=A0chosen =3D of_find_node_by_path_from(root, = "/chosen"); >>>>> +=A0=A0=A0=A0=A0=A0=A0register_vc_fixup(root, "/system"); >>>>> +=A0=A0=A0=A0=A0=A0=A0register_vc_fixup(root, "/axi"); >>>>> +=A0=A0=A0=A0=A0=A0=A0register_vc_fixup(root, "/reserved-memory"); >>>>> +=A0=A0=A0=A0=A0=A0=A0register_vc_fixup(root, "/hat"); >>>>> +=A0=A0=A0=A0=A0=A0=A0register_vc_fixup(root, = "/chosen/bootloader"); >>>>> +=A0=A0=A0=A0=A0=A0=A0chosen =3D register_vc_fixup(root, = "/chosen"); >>>> >>>> This throws a lot of new warnings and errors on our RPi 3B: >>>> >>>> barebox 2024.01.0 #1 2024-02-01T00:00:00+00:00 >>>> Buildsystem version: DistroKit-2019.12.0-552-g775624b9f5d6 >>>> >>>> Board: Raspberry Pi 3 Model B >>>> deep-probe: supported due to raspberrypi,3-model-b >>>> netconsole: registered as netconsole-1 >>>> bcm2835-sdhost 3f202000.mmc@7e202000.of: registered as mci0 >>>> bcm2835_mci 3f300000.mmc@7e300000.of: registered as mci1 >>>> mci0: detected SD card version 2.0 >>>> mci0: registered disk0 >>>> state: New state registered 'state' >>>> state: Using bucket 0@0x00000000 >>>> malloc space: 0x1d87f620 -> 0x3b0fec3f (size 472.5 MiB) >>>> WARNING: no property 'serial-number' found in vc fdt's '' node >>>> no '/system' node found in vc fdt >>>> no '/axi' node found in vc fdt >>>> no '/hat' node found in vc fdt >>>> no '/chosen/bootloader' node found in vc fdt >>>> WARNING: no property 'bootargs' found in vc fdt's '/chosen' = node >>>> WARNING: no property 'overlay_prefix' found in vc fdt's = '/chosen' >> node >>>> WARNING: no property 'os_prefix' found in vc fdt's '/chosen' = node >>>> WARNING: 'pm_rsts' value not found in vc fdt >>>> ERROR: Won't delete root device node >>>> environment load /boot/barebox.env: No such file or directory >>>> Maybe you have to create the partition. >>>> >>>> Do you have any idea what is going on here?=20 >>>> >>>> I also don't see /vc.dtb, which should have been created. I have >>>> 'vc.kernel: kernel7.img' in the 'global' output, but nothing else=20 >>>> starting with vc.*. >>> >>> I think that a non-existent /vc.dtb is expected if there's no DTs in = >>> the boot partition as is the case with DistroKit (except for rpi4)=20 >>> or if using barebox-dt-2nd.img. >>> >>> I think the info/warning messages should just be dropped. >>> >>> Cheers, >>> Ahmad >>> >>>> >>>> - Roland >>>> >>>>> =A0=A0=A0=A0=A0=A0=A0=A0if (!chosen) { >>>>> =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0pr_err("no = '/chosen' node found in vc fdtn"); >>>>> =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0goto out; >>>>> =A0=A0=A0=A0=A0=A0=A0=A0} >>>>> =A0 >>>>> -=A0=A0=A0=A0=A0=A0=A0of_register_fixup(rpi_vc_fdt_fixup, = of_dup(chosen)); >>>>> - >>>>> =A0=A0=A0=A0=A0=A0=A0=A0bootloader =3D = of_find_node_by_name(chosen, "bootloader"); >>>>> =A0 >>>>> =A0=A0=A0=A0=A0=A0=A0=A0str =3D of_read_vc_string(chosen, = "bootargs"); >>>>> -- >>>>> 2.39.2 >>>>> >>>>> >>>> >>> >> >=20 --=20 Pengutronix e.K. | = | Steuerwalder Str. 21 | http://www.pengutronix.de/ = | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 = | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 = | ------DD443D2E8FF77FCCECB1735AE1257902 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" MIIPQAYJKoZIhvcNAQcCoIIPMTCCDy0CAQExDzANBglghkgBZQMEAgEFADALBgkq hkiG9w0BBwGgggxWMIIGUTCCBDmgAwIBAgICMAAwDQYJKoZIhvcNAQELBQAwgaMx ITAfBgNVBAMMGERpZWhsIEdyb3VwIE1haWwgUm9vdCBDQTELMAkGA1UEBhMCREUx EjAQBgNVBAcMCU51ZXJuYmVyZzEUMBIGA1UECgwLRGllaGwgR3JvdXAxFDASBgNV BAsMC0RpZWhsIEdyb3VwMQ8wDQYDVQQIDAZCYXllcm4xIDAeBgkqhkiG9w0BCQEW EXg1MDktY2FAZGllaGwuY29tMB4XDTE4MDUyOTEyMzIzNVoXDTI4MDUyNjEyMzIz NVowgZQxCzAJBgNVBAYTAkRFMQ8wDQYDVQQIDAZCYXllcm4xFDASBgNVBAoMC0Rp ZWhsIEdyb3VwMRswGQYDVQQLDBJEaWVobCBNZXRlcmluZyBUS0gxHzAdBgNVBAMM FkRpZWhsIE1ldGVyaW5nIE1haWwgQ0ExIDAeBgkqhkiG9w0BCQEWEXg1MDktY2FA 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