Kernel output up until the crash: Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 6.4.0-rc6-00242-g1639fae5132b (rogan@vermin) (arm-linux-gnueabi-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #5 Fri Jun 23 08:35:38 SAST 2023 [ 0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f [ 0.000000] CPU: VIVT data cache, VIVT instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX28 Evaluation Kit [ 0.000000] Memory policy: Data cache writeback [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x0000000040000000-0x0000000043ffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000040000000-0x0000000043ffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x0000000043ffffff] [ 0.000000] Kernel command line: noinitrd console=ttyAMA0,115200 rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs rw gpmi [ 0.000000] Unknown kernel command line parameters "gpmi", will be passed to user space. [ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes, linear) [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 16256 [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 45044K/65536K available (8784K kernel code, 1205K rwdata, 2828K rodata, 252K init, 6469K bss, 20492K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] trace event string verifier disabled [ 0.000000] Running RCU self tests [ 0.000000] Running RCU synchronous self tests [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] clocksource: mxs_timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns [ 0.000007] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns [ 0.003518] Console: colour dummy device 80x30 [ 0.003899] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.003958] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004006] ... MAX_LOCK_DEPTH: 48 [ 0.004042] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004075] ... CLASSHASH_SIZE: 4096 [ 0.004109] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004141] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004173] ... CHAINHASH_SIZE: 32768 [ 0.004205] memory used by lock dependency info: 4061 kB [ 0.004239] memory used for stack traces: 2112 kB [ 0.004272] per task-struct memory footprint: 1536 bytes [ 0.004575] Calibrating delay loop... 226.09 BogoMIPS (lpj=1130496) [ 0.081603] pid_max: default: 32768 minimum: 301 [ 0.083730] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.083869] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.097343] CPU: Testing write buffer coherency: ok [ 0.111000] Setting up static identity map for 0x40008400 - 0x40008458 [ 0.122358] devtmpfs: initialized [ 0.210895] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.211175] futex hash table entries: 256 (order: 1, 12288 bytes, linear) [ 0.212810] pinctrl core: initialized pinctrl subsystem [ 0.231662] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.245591] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.313115] platform 80018000.pinctrl: Fixed dependency cycle(s) with /apb@80000000/apbh@80000000/pinctrl@80018000/hog@0 [ 0.367352] gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation. [ 0.393672] gpio gpiochip1: Static allocation of GPIO base is deprecated, use dynamic allocation. [ 0.418068] gpio gpiochip2: Static allocation of GPIO base is deprecated, use dynamic allocation. [ 0.442386] gpio gpiochip3: Static allocation of GPIO base is deprecated, use dynamic allocation. [ 0.466456] gpio gpiochip4: Static allocation of GPIO base is deprecated, use dynamic allocation. [ 0.574021] platform panel: Fixed dependency cycle(s) with /apb@80000000 /apbh@80000000/lcdif@80030000/port/endpoint [ 0.586898] Serial: AMBA PL011 UART driver [ 0.593614] 80074000.serial: ttyAMA0 at MMIO 0x80074000 (irq = 182, base_baud = 0) is a PL011 rev2 [ 0.594577] printk: console [ttyAMA0] enabled [ 3.352978] regulator-vddio-sd0 enforce active low on GPIO handle [ 3.362829] regulator-fec-3v3 enforce active low on GPIO handle [ 3.397532] SCSI subsystem initialized [ 3.419552] usbcore: registered new interface driver usbfs [ 3.426400] usbcore: registered new interface driver hub [ 3.432422] usbcore: registered new device driver usb On Fri, 23 Jun 2023 at 16:25, Rogan Dawes <ro...@dawes.za.net> wrote: > I understand the importance now. No, I got to the same result with your > dts as with the evk one, crash after the usbcore modules were registered, > and then binary garbage on the console. > > I do understand that you are not familiar with the Wink Hub, and am > especially appreciative of the time you are offering. > > Is this still relevant to u-boot, or should this conversation move > elsewhere, since this is more about the kernel now it seems? Although I > guess modern u-boot also cares about device trees? > > Regards, > > Rogan > > > On Fri, 23 Jun 2023 at 16:05, Fabio Estevam <feste...@gmail.com> wrote: > >> Hi Rogan, >> >> On Fri, Jun 23, 2023 at 10:53 AM Rogan Dawes <ro...@dawes.za.net> wrote: >> > >> > Hi Fabio, >> > >> > Thanks so much for the effort put in. I just wanted to confirm that I >> am able to get console output when using the imx28-evk.dts file, although >> it crashes after a few lines of output. That seems to suggest that the >> additional pins that you have added in your patch are not necessary, and >> possibly even incorrect? >> >> It could be that the kernel console log is appearing only because >> U-Boot did the correct pinmux of the duart pins. >> >> If the arch/arm/mach-mx28/mx28evk_pins.c corresponds to the correct >> pinmux for the wink hub board, then the >> duart pins need to be as: >> >> MX28_PAD_I2C0_SCL__DUART_RX >> MX28_PAD_I2C0_SDA__DUART_TX >> >> like it is done on my patch. >> >> Just so you know, I have no knowledge about the wink hub board. >> >> My comment on the duart pin was merely due to code inspection. >> >> > NAND read: device 0 offset 0x2b00000, size 0x600000 >> > 6291456 bytes read: OK >> > ## Booting kernel from Legacy Image at 42000000 ... >> > Image Name: >> > Created: 2023-06-23 6:36:22 UTC >> > Image Type: ARM Linux Kernel Image (uncompressed) >> > Data Size: 6279441 Bytes = 6 MiB >> > Load Address: 40008000 >> > Entry Point: 40008000 >> > Verifying Checksum ... OK >> > Loading Kernel Image ... OK >> > >> > Starting kernel ... >> > >> > [ 0.000000] Booting Linux on physical CPU 0x0 >> > [ 0.000000] Linux version 6.4.0-rc6-00242-g1639fae5132b (rogan@vermin) >> (arm-linux-gnueabi-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU >> Binutils for Debian) 2.35.2) #5 Fri Jun 23 08:35:38 SAST 2023 >> > [ 0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), >> cr=0005317f >> > [ 0.000000] CPU: VIVT data cache, VIVT instruction cache >> > [ 0.000000] OF: fdt: Machine model: Freescale i.MX28 Evaluation Kit >> > [ 0.000000] Memory policy: Data cache writeback >> > [ 0.000000] Zone ranges: >> > [ 0.000000] Normal [mem 0x0000000040000000-0x0000000043ffffff] >> > [ 0.000000] Movable zone start for each node >> > [ 0.000000] Early memory node ranges >> >> Here is an updated dts with the GPMI node added. >> >> Hopefully, with this one, the NAND flash device can be detected. >> >> Does this dts boot for you without hanging in the USB part? >> >