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Sun, 6 Dec 2020 10:18:23 +0000 From: Sven Schuchmann To: "linux-can@vger.kernel.org" Subject: mcp251xfd No Oscillator (clock) defined Thread-Topic: mcp251xfd No Oscillator (clock) defined Thread-Index: AdbLuKAjW6Ey/8Z7T1qzpJx8c3rFuw== Date: Sun, 6 Dec 2020 10:18:23 +0000 Message-ID: Accept-Language: de-DE, en-US Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=schleissheimer.de; x-originating-ip: [62.153.209.162] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 31525c6e-7a60-4754-6d83-08d899d04345 x-ms-traffictypediagnostic: DB6P190MB0247: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: TSpUIxkeo6Ji8Y8Oa5GTj1mKW/+dRDWm/UT1j2r0fqO1seoHkon+yOGBMDi/Fugzl4jPQ1ufgjwvKBejcgN9pasQvsptknyzA7JC4AQYrlKIeVijnJd6EKNg04zJKsLSE+RJJJ/75b4/ymBr5vj691q/LPm/mgCNXq7uL84P37qSxYucMLHrO/jibzITlrFcVtJa5o0fRLoUIXlx1iuAQXG41j+AVWfUKQAGI7E4muQwGP+bRSnom+cte36Rn9d1/B/i8fqa7CnvyVbKJDiSq4ovapBCIaDQvwha94pv5Ej8dZ+ItVrkqGFfHJzwhUakcqZltFBfOp0Lr2ITI1jzzMSWS4vXHgecDqYzxVyQDf3WgI3HXXCyKBJWEwkV9HJU7fkD29WfnrPGta62jesnjw== x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DB8P190MB0634.EURP190.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(396003)(366004)(136003)(39830400003)(376002)(346002)(966005)(316002)(5660300002)(8676002)(71200400001)(8936002)(6506007)(6916009)(26005)(186003)(478600001)(76116006)(7696005)(64756008)(55016002)(9686003)(66946007)(45080400002)(66476007)(83380400001)(2906002)(66574015)(33656002)(66446008)(52536014)(86362001)(66556008);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: =?iso-8859-1?Q?/ItVay/w4hlEvHBWmFOjSUJf+RC7ypbKRR8KQ0cMCUj6YK70tDG0TuMZWk?= =?iso-8859-1?Q?x/2hhIUvubDwYby74T4C8OgT+VNma/6hp442jne6uzRuCId52XB8fcLOvz?= =?iso-8859-1?Q?k2qUf/N4dIQ+j1c2KdxKf2Cw3LvmUkj6aMaTKV0ANnnkT3AxRf3jSVEX8p?= =?iso-8859-1?Q?o6pUTPfq19ccZb3fNyWkHZJzvdaY2FQM194LT3u3VtuFNRMCxdgxjdczZV?= =?iso-8859-1?Q?gw2aVGFba2MTVJumwslHUPF2x5oY9zJRaF6addh76ug1cPkdh87xHgvM2C?= =?iso-8859-1?Q?6g/fJ5ixaX6Eez8+9rFSAYYYs7QkaylYlXhLwrlyk/vjkvBNBlAYbgfK/z?= =?iso-8859-1?Q?EXmzmvQCIZmugelo/zpWx8QshuzNaYfTDbLOAY10GKdZ+dK+wnT5REcyJf?= =?iso-8859-1?Q?ImvTdCSA2ZRYMfu4+B9apC0IiXeuSYHW9cIr+k4F8vbw7hlYSvv/mrm7Y5?= =?iso-8859-1?Q?eZ0u5SBAEYbaYZmeSrec2/joajbBcQqz0rqj20WoV2hWBuBvWKVVH74q7R?= =?iso-8859-1?Q?7AWeNzskPj2FuYQTWDXBHMIUb0xgGsZCGBWLLC84BufrV7ta49sXgviygp?= =?iso-8859-1?Q?2IVEBDLAMVF3tiDFk06reLgL2/PRHPW6P8TAh9BkXbN0bhMzx9f2fLt6N5?= =?iso-8859-1?Q?RzaKZsTfFHnnB0ptln26hxmA6g33aGgi7tq9hCiu8udXNxWDYSdi4LZFFF?= =?iso-8859-1?Q?ZqjRN8JcMAWH/mcLBLKdRrCrKKsgrzA8A7RFLWspAaWEXPuVTOMHfhjnzo?= =?iso-8859-1?Q?tXy5Z+DfN1vObe52CMrWZqdRm87xRlYs+9hRWrJuP0NiP1OD269Z62g7QA?= =?iso-8859-1?Q?u0Dz9uNMd6iNTqh+Rb7aLFCpXrKImStHgRu2eAjKIotGAu9ZGUv3S/SgVk?= =?iso-8859-1?Q?YkcL3Mu7kEeSHoxs1B/YbwhLM9Uw39+5b/VKe/s3TGU4N0aj4JOU1DYFyL?= =?iso-8859-1?Q?1yTEsryTfhpjlSslV6lMrwObs79MmjMgUY7J/tsR+3qnkMaIUqImacPLoG?= =?iso-8859-1?Q?QvspxgBLLXG5yoDNk=3D?= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: schleissheimer.de X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DB8P190MB0634.EURP190.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: 31525c6e-7a60-4754-6d83-08d899d04345 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Dec 2020 10:18:23.3158 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: ba05321a-a007-44df-8805-c7e62d5887b5 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: sZWunLeNgkJTDlhGbXinJKVtErJir/CKZWxmrckniIqBV+36qDbH60Ry6Zu24Ac6/geKV2oqGI+HhX+ZHlJuKBfmt+VPkKTaBMJU0JTf2Ys= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6P190MB0247 Precedence: bulk List-ID: X-Mailing-List: linux-can@vger.kernel.org Hi all, I am new to the list so sorry for any errors. I want to get Seeed "2 Channel CAN BUS FD Shield for Raspberry Pi"=20 https://wiki.seeedstudio.com/2-Channel-CAN-BUS-FD-Shield-for-Raspberry-Pi/ get to work on a Raspberry Pi Compute Module 4 IO Board https://www.raspberrypi.org/products/compute-module-4-io-board I have installed the Raspberry Pi OS with Raspberry Pi Imager $ uname -a Linux raspberrypi 5.4.79-v7l+ #1373 SMP Mon Nov 23 13:27:40 GMT 2020 armv7l= GNU/Linux without any changes. Therefore I tried the following commands to load the o= verlay=20 $ sudo dtoverlay spi0-1cs cs0_pin=3D24 $ sudo dtoverlay mcp251xfd spi0-1 oscillator=3D40000000 speed=3D20000000 in= terrupt=3D18 then dmesg shows me this: [ 175.674317] spi spi0.1: setting up native-CS1 to use GPIO [ 175.733692] CAN device driver interface [ 175.737453] mcp251xfd spi0.1: No Oscillator (clock) defined. Can anyone help me to setup the Oscillator? I already tried to enable "dtparam=3Dspi=3Don" in /boot/config.txt but this= does not change anything. I also tried the second CAN interface to run on SPI1 with $ sudo dtoverlay spi1-1cs cs0_pin=3D12 $ sudo dtoverlay mcp251xfd spi1-1 oscillator=3D40000000 speed=3D20000000 in= terrupt=3D22 but then kernel seems to crash [ 226.615817] ------------[ cut here ]------------ [ 226.615842] kernel BUG at mm/slub.c:4010! [ 226.615860] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 226.615878] Modules linked in: spi_bcm2835aux mcp251xfd can_dev binfmt_m= isc sha256_generic libsha256 cfg80211 rfkill 8021q garp stp llc spidev rasp= berrypi_hwmon vc4 cec drm_kms_helper v3d gpu_sched bcm2835_codec(C) drm snd= _soc_core snd_bcm2835(C) bcm2835_isp(C) drm_panel_orientation_quirks bcm283= 5_v4l2(C) snd_compress v4l2_mem2mem bcm2835_mmal_vchiq(C) videobuf2_dma_con= tig videobuf2_vmalloc snd_pcm_dmaengine videobuf2_memops videobuf2_v4l2 vid= eobuf2_common snd_pcm snd_timer syscopyarea snd sysfillrect videodev sysimg= blt rpivid_mem fb_sys_fops mc vc_sm_cma(C) spi_bcm2835 uio_pdrv_genirq uio = ip_tables x_tables ipv6 [ 226.616079] CPU: 0 PID: 631 Comm: dtoverlay Tainted: G C = 5.4.79-v7l+ #1373 [ 226.616101] Hardware name: BCM2711 [ 226.616131] PC is at kfree+0x240/0x290 [ 226.616154] LR is at free_overlay_changeset+0x84/0xa8 [ 226.616172] pc : [] lr : [] psr: 40000013 [ 226.616191] sp : d6e8ddb0 ip : d6e8dde0 fp : d6e8dddc [ 226.616208] r10: c1204fc8 r9 : d7047a00 r8 : d7047a00 [ 226.616225] r7 : d61b8000 r6 : c08ff00c r5 : 00000000 r4 : dc0e5280 [ 226.616244] r3 : c12a11a8 r2 : 00000030 r1 : 00000000 r0 : d61b8000 [ 226.616264] Flags: nZcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment= user [ 226.616284] Control: 30c5383d Table: 17047600 DAC: fffffffd [ 226.616304] Process dtoverlay (pid: 631, stack limit =3D 0x8d6d8885) [ 226.616323] Stack: (0xd6e8ddb0 to 0xd6e8e000) [ 226.616341] dda0: dc0e5280 00000002 = d6e8ddf4 d7047c40 [ 226.616367] ddc0: d7047c40 ffffffea d61b8584 d7047a00 d6e8ddf4 d6e8dde0 = c08ff00c c03f5d6c [ 226.616392] dde0: d7047c40 d61b8000 d6e8de6c d6e8ddf8 c08ffbd8 c08fef94 = 00000000 c03f734c [ 226.616416] de00: d7047c44 c1204fc8 d7047c40 d7047c60 c12927f4 c1368484 = d682503c c0e40498 [ 226.616441] de20: d6158000 ffffffea d6825000 d61b8000 d6158174 d6826000 = f0851000 449c3aea [ 226.616466] de40: d7047700 00001862 d6825000 d6824000 00000000 d7047700 = 00000008 d41ba4c8 [ 226.616491] de60: d6e8de8c d6e8de70 c08f8fa8 c08ffac8 d6ce6380 d6fc4b40 = d41ba4c8 d7047704 [ 226.616516] de80: d6e8deb4 d6e8de90 c04ac400 c08f8f50 d6fc4b40 d41ba4c8 = 000d801e ef97a610 [ 226.616540] dea0: d55382a8 00000008 d6e8def4 d6e8deb8 c040e3e4 c04ac384 = 00000000 00000000 [ 226.616565] dec0: c020ce54 d6fc4b48 d682d170 d6fc4b40 00000000 d682cc40 = d682d19c c12b9d54 [ 226.616590] dee0: d682d170 c1204fc8 d6e8df04 d6e8def8 c040e59c c040e34c = d6e8df2c d6e8df08 [ 226.616614] df00: c02433f8 c040e590 ffffe000 d6e8dfb0 c02011c4 00000004 = fffffe30 5ac3c35a [ 226.616639] df20: d6e8dfac d6e8df30 c020ce54 c0243350 d6e8df4c d6e8df40 = 5ac3c35a c1204fcc [ 226.616664] df40: d6e8df6c d6e8df50 c0407de8 c040eb18 00000003 d6864800 = d686484c 00000000 [ 226.616688] df60: d6e8df94 d6e8df70 c042fcc0 c0407d84 00173198 b6ecbb1c = 00000000 449c3aea [ 226.616713] df80: c02011c4 00173198 b6ecbb1c 00000000 00000006 c02011c4 = d6e8c000 00000006 [ 226.616738] dfa0: 00000000 d6e8dfb0 c0201034 c020c8cc 00000000 00000444 = b6ecb6d8 b6deb864 [ 226.616762] dfc0: 00173198 b6ecbb1c 00000000 00000006 001743a0 00000000 = 00000000 00174268 [ 226.616787] dfe0: 0000006c bed894d0 b6ded088 b6e50f74 20000010 00000003 = 00000000 00000000 [ 226.616807] Backtrace: [ 226.616833] [] (kfree) from [] (free_overlay_changes= et+0x84/0xa8) [ 226.616859] r8:d7047a00 r7:d61b8584 r6:ffffffea r5:d7047c40 r4:d7047c40 [ 226.616886] [] (free_overlay_changeset) from [] (of_= overlay_fdt_apply+0x11c/0x990) [ 226.616909] r5:d61b8000 r4:d7047c40 [ 226.616932] [] (of_overlay_fdt_apply) from [] (cfs_o= verlay_item_dtbo_write+0x64/0xa4) [ 226.616958] r10:d41ba4c8 r9:00000008 r8:d7047700 r7:00000000 r6:d682400= 0 r5:d6825000 [ 226.616980] r4:00001862 [ 226.617004] [] (cfs_overlay_item_dtbo_write) from []= (configfs_release_bin_file+0x88/0xb0) [ 226.617030] r7:d7047704 r6:d41ba4c8 r5:d6fc4b40 r4:d6ce6380 [ 226.617055] [] (configfs_release_bin_file) from [] (= __fput+0xa4/0x244) [ 226.617081] r9:00000008 r8:d55382a8 r7:ef97a610 r6:000d801e r5:d41ba4c8= r4:d6fc4b40 [ 226.617108] [] (__fput) from [] (____fput+0x18/0x1c) [ 226.617129] r10:c1204fc8 r9:d682d170 r8:c12b9d54 r7:d682d19c r6:d682cc4= 0 r5:00000000 [ 226.617150] r4:d6fc4b40 [ 226.617174] [] (____fput) from [] (task_work_run+0xb= 4/0xd4) [ 226.617202] [] (task_work_run) from [] (do_work_pend= ing+0x594/0x59c) [ 226.617227] r9:5ac3c35a r8:fffffe30 r7:00000004 r6:c02011c4 r5:d6e8dfb0= r4:ffffe000 [ 226.617254] [] (do_work_pending) from [] (slow_work_= pending+0xc/0x20) [ 226.617276] Exception stack(0xd6e8dfb0 to 0xd6e8dff8) [ 226.617294] dfa0: 00000000 00000444 = b6ecb6d8 b6deb864 [ 226.617319] dfc0: 00173198 b6ecbb1c 00000000 00000006 001743a0 00000000 = 00000000 00174268 [ 226.617343] dfe0: 0000006c bed894d0 b6ded088 b6e50f74 20000010 00000003 [ 226.617365] r10:00000006 r9:d6e8c000 r8:c02011c4 r7:00000006 r6:0000000= 0 r5:b6ecbb1c [ 226.617386] r4:00173198 [ 226.617405] Code: 1a000003 e5943008 e3130001 1a000000 (e7f001f2) [ 226.617428] ---[ end trace cd616810d13be5e4 ]--- Sven =20 -- Sven Schuchmann Schlei=DFheimer Soft- und Hardwareentwicklung GmbH Am Kalkofen 10 61206 Nieder-W=F6llstadt GERMANY Phone: +49 6034 9148 711 Fax: +49 6034 9148 91 Email: schuchmann@schleissheimer.de