DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations Pinctrl core: initialized pinctrl subsystem LSM: Security Framework -193,19 +250,19 initializedĬlocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 nsįutex hash table entries: 1024 (order: 4, 65536 bytes, linear) Sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078nsĬalibrating delay loop (skipped), value calculated using timer frequency. + random: get_random_bytes called from start_kernel+0x3b8/0x580 with crng_init=0Īrch_timer: cp15 timer(s) running at 19.20MHz (phys).Ĭlocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns random: get_random_bytes called from start_kernel+0x3b8/0x580 with crng_init=1 NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
Rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1įtrace: allocating 32481 entries in 127 pagesįtrace: allocated 127 pages with 7 -163,12 +221,11 variant of Tasks RCU enabled. Mem auto-init: stack:off, heap alloc:off, heap free:off
Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, linear) Total pages: 238896ĭentry cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) CPU features: detected: Kernel page table isolation (KPTI)ĬPU features: detected: ARM erratum 843419īuilt 1 zonelists, mobility grouping on. CPU features: kernel page table isolation forced ON by KASLR OF: reserved mem: initialized node linux,cma, compatible id -144,15 +204,13 Embedded 31 pages/cpu s87320 r8192 d31464 u126976ĬPU features: detected: ARM erratum 845719 Reserved memory: created CMA memory pool at 0x0000000037400000, size 64 MiB + Machine model: Raspberry Pi Compute Module 3 Machine model: Raspberry Pi Compute Module 3 Rev 1.0 + Booting using the fdt blob at 0x2eff8a00 +# Flattened Device Tree blob at 2eff8a00 +Failed to load 'isatech-images/latest/boot.scr' +Model: Raspberry Pi Compute Module 3 Rev 1.0 Gpioman: gpioman_get_pin_num: pin SDCARD_CONTROL_POWER not defined +Loading 'u-boot.bin' to 0x80000 size 0x7ce20ĭevice tree loaded to 0x2eff8a00 (size 0x75f9) Gpioman: gpioman_get_pin_num: pin WL_ON not defined I can't make out any meaningful differences.Īt the very end It is visible how i2c-detect -l yields for the direct bootīoot.scr: if test "$ images/factory/boot.scr Lastly I recorded the boot process in both cases and constructed a diff.
I use a first stage bootscript to source the actual boot.scr as part of a fallback system. Here only the kernel= line changes accordingly.įurthermore I have posted my boot script. In both cases i2c_dev module is loaded and I can't see any big differences. If the kernel is booted directly ( kernel=Image) everything is working like intended. But if the kernel is booted through U-Boot there is no I2C bus available. I'm building a custom linux with buildroot in combination with U-Boot on compute module 3(+).
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