NOTICE:  CPU: STM32MP157AAC Rev.B
NOTICE:  Model: STMicroelectronics STM32MP157A-DK1 Discovery Board
NOTICE:  Board: MB1272 Var1 Rev.C-01
NOTICE:  BL2: v2.2(release):2021.02-378-g603b5d0
NOTICE:  BL2: Built : 09:31:32, Mar 26 2021
NOTICE:  BL2: Booting BL32
NOTICE:  SP_MIN: v2.2(release):2021.02-378-g603b5d0
NOTICE:  SP_MIN: Built : 09:31:32, Mar 26 2021

U-Boot 2020.07 (Mar 26 2021 - 09:42:16 +0300)

CPU: STM32MP157AAC Rev.B
Model: STMicroelectronics STM32MP157A-DK1 Discovery Board
Board: stm32mp1 in trusted mode (st,stm32mp157a-dk1)
Board: MB1272 Var1.0 Rev.C-01
DRAM:  512 MiB
Clocks:
- MPU : 650 MHz
- MCU : 208.878 MHz
- AXI : 266.500 MHz
- PER : 24 MHz
- DDR : 533 MHz
NAND:  0 MiB
MMC:   STM32 SD/MMC: 0
Loading Environment from EXT4... ** File not found /uboot.env **

** Unable to read "/uboot.env" from mmc0:4 **
In:    serial
Out:   serial
Err:   serial
Net:   eth0: ethernet@5800a000
Hit any key to stop autoboot:  0
Boot over mmc0!
Saving Environment to EXT4... Unsupported feature metadata_csum found, not writing.

** Unable to write "/uboot.env" from mmc0:4 **
Failed (1)
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:4...
Found /boot/extlinux/extlinux.conf
Retrieving file: /boot/extlinux/extlinux.conf
131 bytes read in 27 ms (3.9 KiB/s)
1:      stm32mp157a-dk1-buildroot
Retrieving file: /boot/zImage
4202976 bytes read in 205 ms (19.6 MiB/s)
append: root=/dev/mmcblk0p4 rootwait
Retrieving file: /boot/stm32mp157a-dk1.dtb
53881 bytes read in 30 ms (1.7 MiB/s)
Kernel image @ 0xc2000000 [ 0x000000 - 0x4021e0 ]
## Flattened Device Tree blob at c4000000
   Booting using the fdt blob at 0xc4000000
   Loading Device Tree to cffef000, end cffff278 ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.8.13 (a@a-VirtualBox) (arm-none-linux-gnueabihf-gcc (GNU Toolchain for the A-profile Architecture 10.2-2020.11 (arm-10.16)) 10.2.1 20201103, GNU ld (GNU Toolchain for the A-profile Architecture 10.2-2020.11 (arm-10.16)) 2.35.1.20201028) #1 SMP PREEMPT Fri Mar 26 09:46:34 MSK 2021
[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt: Machine model: STMicroelectronics STM32MP157A-DK1 Discovery Board
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] Reserved memory: created DMA memory pool at 0x10000000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node mcuram2@10000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x10040000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node vdev0vring0@10040000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x10041000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node vdev0vring1@10041000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x10042000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node vdev0buffer@10042000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x30000000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node mcuram@30000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x38000000, size 0 MiB
[    0.000000] OF: reserved mem: initialized node retram@38000000, compatible id shared-dma-pool
[    0.000000] cma: Reserved 128 MiB at 0xc7800000
[    0.000000] Zone ranges:
[    0.000000]   Normal   [mem 0x00000000c0000000-0x00000000dfffffff]
[    0.000000]   HighMem  empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x00000000c0000000-0x00000000d3ffffff]
[    0.000000]   node   0: [mem 0x00000000d8000000-0x00000000dfffffff]
[    0.000000] Initmem setup node 0 [mem 0x00000000c0000000-0x00000000dfffffff]
[    0.000000] psci: probing for conduit method from DT.
[    0.000000] psci: PSCIv1.1 detected in firmware.
[    0.000000] psci: Using standard PSCI v0.2 function IDs
[    0.000000] psci: MIGRATE_INFO_TYPE not supported.
[    0.000000] psci: SMC Calling Convention v65535.65535
[    0.000000] percpu: Embedded 15 pages/cpu s30092 r8192 d23156 u61440
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 113664
[    0.000000] Kernel command line: root=/dev/mmcblk0p4 rootwait
[    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 280716K/458752K available (6144K kernel code, 189K rwdata, 1532K rodata, 1024K init, 174K bss, 46964K reserved, 131072K cma-reserved, 0K highmem)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] rcu: Preemptible hierarchical RCU implementation.
[    0.000000] rcu:     RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2.
[    0.000000]  Trampoline variant of Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] random: get_random_bytes called from start_kernel+0x31c/0x4b0 with crng_init=0
[    0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (virt).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
[    0.000008] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns
[    0.000025] Switching to timer-based delay loop, resolution 41ns
[    0.000894] Console: colour dummy device 80x30
[    0.002008] printk: console [tty0] enabled
[    0.002059] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000)
[    0.002104] pid_max: default: 32768 minimum: 301
[    0.002304] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.002346] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.003147] CPU: Testing write buffer coherency: ok
[    0.003491] CPU0: update cpu_capacity 1024
[    0.003525] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.004217] Setting up static identity map for 0xc0100000 - 0xc0100060
[    0.004387] rcu: Hierarchical SRCU implementation.
[    0.004808] smp: Bringing up secondary CPUs ...
[    0.005644] CPU1: update cpu_capacity 1024
[    0.005654] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.005821] smp: Brought up 1 node, 2 CPUs
[    0.005891] SMP: Total of 2 processors activated (96.00 BogoMIPS).
[    0.005914] CPU: All CPU(s) started in SVC mode.
[    0.006518] devtmpfs: initialized
[    0.024629] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[    0.025169] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.025232] futex hash table entries: 512 (order: 3, 32768 bytes, linear)
[    0.031705] pinctrl core: initialized pinctrl subsystem
[    0.032748] NET: Registered protocol family 16
[    0.035497] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.055418] /soc/interrupt-controller@5000d000: bank0
[    0.055469] /soc/interrupt-controller@5000d000: bank1
[    0.055497] /soc/interrupt-controller@5000d000: bank2
[    0.056692] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOA bank added
[    0.057106] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOB bank added
[    0.057469] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOC bank added
[    0.057801] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOD bank added
[    0.058138] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOE bank added
[    0.058469] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOF bank added
[    0.058807] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOG bank added
[    0.059138] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOH bank added
[    0.059481] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOI bank added
[    0.059621] stm32mp157-pinctrl soc:pin-controller@50002000: Pinctrl STM32 initialized
[    0.060368] stm32mp157-pinctrl soc:pin-controller-z@54004000: GPIOZ bank added
[    0.060422] stm32mp157-pinctrl soc:pin-controller-z@54004000: Pinctrl STM32 initialized
[    0.070922] usbcore: registered new interface driver usbfs
[    0.071040] usbcore: registered new interface driver hub
[    0.071135] usbcore: registered new device driver usb
[    0.071385] pps_core: LinuxPPS API ver. 1 registered
[    0.071415] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.071469] PTP clock support registered
[    0.071812] Advanced Linux Sound Architecture Driver Initialized.
[    0.072898] clocksource: Switched to clocksource arch_sys_counter
[    0.083856] NET: Registered protocol family 2
[    0.084607] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
[    0.084681] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear)
[    0.084768] TCP bind hash table entries: 4096 (order: 3, 32768 bytes, linear)
[    0.084879] TCP: Hash tables configured (established 4096 bind 4096)
[    0.085034] UDP hash table entries: 256 (order: 1, 8192 bytes, linear)
[    0.085099] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear)
[    0.085342] NET: Registered protocol family 1
[    0.086711] workingset: timestamp_bits=30 max_order=17 bucket_order=0
[    0.095080] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)
[    0.095136] io scheduler mq-deadline registered
[    0.095159] io scheduler kyber registered
[    0.163438] STM32 USART driver initialized
[    0.164000] 40010000.serial: ttySTM0 at MMIO 0x40010000 (irq = 21, base_baud = 4000000) is a stm32-usart
[    0.903900] printk: console [ttySTM0] enabled
[    0.908791] stm32-usart 40010000.serial: rx dma alloc failed
[    0.913930] stm32-usart 40010000.serial: interrupt mode used for rx (no dma)
[    0.920940] stm32-usart 40010000.serial: tx dma alloc failed
[    0.926617] stm32-usart 40010000.serial: interrupt mode used for tx (no dma)
[    0.956708] random: fast init done
[    0.961920] random: crng init done
[    0.970247] brd: module loaded
[    0.979364] loop: module loaded
[    0.982612] libphy: Fixed MDIO Bus: probed
[    0.985460] CAN device driver interface
[    0.990184] stm32-dwmac 5800a000.ethernet: IRQ eth_wake_irq not found
[    0.995607] stm32-dwmac 5800a000.ethernet: IRQ eth_lpi not found
[    1.001705] stm32-dwmac 5800a000.ethernet: PTP uses main clock
[    1.007445] stm32-dwmac 5800a000.ethernet: no reset control found
[    1.013995] stm32-dwmac 5800a000.ethernet: User ID: 0x40, Synopsys ID: 0x42
[    1.020466] stm32-dwmac 5800a000.ethernet:   DWMAC4/5
[    1.025493] stm32-dwmac 5800a000.ethernet: DMA HW capability register supported
[    1.032740] stm32-dwmac 5800a000.ethernet: RX Checksum Offload Engine supported
[    1.040068] stm32-dwmac 5800a000.ethernet: TX Checksum insertion supported
[    1.046947] stm32-dwmac 5800a000.ethernet: Wake-Up On Lan supported
[    1.053284] stm32-dwmac 5800a000.ethernet: TSO supported
[    1.058510] stm32-dwmac 5800a000.ethernet: Enable RX Mitigation via HW Watchdog Timer
[    1.066390] stm32-dwmac 5800a000.ethernet: Enabled Flow TC (entries=2)
[    1.072901] stm32-dwmac 5800a000.ethernet: TSO feature enabled
[    1.078718] stm32-dwmac 5800a000.ethernet: Using 32 bits DMA width
[    1.086036] libphy: stmmac: probed
[    1.091611] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.096808] ehci-platform: EHCI generic platform driver
[    1.102336] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    1.108187] ohci-platform: OHCI generic platform driver
[    1.115675] stm32_rtc 5c004000.rtc: IRQ index 1 not found
[    1.119640] stm32_rtc 5c004000.rtc: alarm can't wake up the system: -6
[    1.126882] stm32_rtc 5c004000.rtc: registered as rtc0
[    1.131356] stm32_rtc 5c004000.rtc: setting system clock to 2000-01-01T02:06:04 UTC (946692364)
[    1.140407] stm32_rtc 5c004000.rtc: Date/Time must be initialized
[    1.146170] stm32_rtc 5c004000.rtc: registered rev:1.2
[    1.151410] i2c /dev entries driver
[    1.174924] stm32f7-i2c 40012000.i2c: can't request DMA tx channel
[    1.179676] stm32f7-i2c 40012000.i2c: can't use DMA
[    1.186436] stm32f7-i2c 40012000.i2c: STM32F7 I2C-0 bus adapter
[    1.213906] stm32f7-i2c 5c002000.i2c: can't request DMA tx channel
[    1.218660] stm32f7-i2c 5c002000.i2c: can't use DMA
[    1.225185] stpmic1 1-0033: PMIC Chip Version: 0x10
[    1.231140] BUCK1: supplied by regulator-dummy
[    1.237258] BUCK2: supplied by regulator-dummy
[    1.243146] BUCK3: supplied by regulator-dummy
[    1.249118] BUCK4: supplied by regulator-dummy
[    1.254907] LDO1: supplied by v3v3
[    1.260431] LDO2: supplied by regulator-dummy
[    1.266448] LDO3: supplied by vdd_ddr
[    1.271610] LDO4: supplied by regulator-dummy
[    1.275167] LDO5: supplied by regulator-dummy
[    1.281900] LDO6: supplied by v3v3
[    1.286953] VREF_DDR: supplied by regulator-dummy
[    1.292954] BOOST: supplied by regulator-dummy
[    1.296536] VBUS_OTG: supplied by bst_out
[    1.300518] SW_OUT: supplied by bst_out
[    1.306476] input: pmic_onkey as /devices/platform/soc/5c002000.i2c/i2c-1/1-0033/5c002000.i2c:stpmic@33:onkey/input/input0
[    1.316809] stm32f7-i2c 5c002000.i2c: STM32F7 I2C-1 bus adapter
[    1.325827] mmci-pl18x 58005000.sdmmc: Got CD GPIO
[    1.329770] mmci-pl18x 58005000.sdmmc: mmc0: PL180 manf 53 rev1 at 0x58005000 irq 47,0 (pio)
[    1.363621] sdhci: Secure Digital Host Controller Interface driver
[    1.368429] sdhci: Copyright(c) Pierre Ossman
[    1.373852] Synopsys Designware Multimedia Card Interface Driver
[    1.378986] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.385790] usbcore: registered new interface driver usbhid
[    1.389969] usbhid: USB HID core driver
[    1.394616] stm32-ipcc 4c001000.mailbox: ipcc rev:1.0 enabled, 6 chans, proc 0
[    1.401431] OF: Can't handle multiple dma-ranges with different offsets on node(/ahb)
[    1.408941] OF: Can't handle multiple dma-ranges with different offsets on node(/ahb)
[    1.413972] mmc0: new high speed SDHC card at address aaaa
[    1.417283] stm32-rproc 10000000.m4: wdg irq registered
[    1.422976] mmcblk0: mmc0:aaaa SB16G 14.8 GiB
[    1.427814] remoteproc remoteproc0: m4 is available
[    1.440180] NET: Registered protocol family 10
[    1.442412]  mmcblk0: p1 p2 p3 p4
[    1.444612] Segment Routing with IPv6
[    1.450267] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[    1.457047] NET: Registered protocol family 17
[    1.460533] can: controller area network core (rev 20170425 abi 9)
[    1.466905] NET: Registered protocol family 29
[    1.471145] can: raw protocol (rev 20170425)
[    1.475494] can: broadcast manager protocol (rev 20170425 t)
[    1.481080] can: netlink gateway (rev 20190810) max_hops=1
[    1.486854] ThumbEE CPU extension supported.
[    1.490836] Registering SWP/SWPB emulation handler
[    1.497450] stm32-dma 48000000.dma-controller: STM32 DMA driver registered
[    1.504500] stm32-dma 48001000.dma-controller: STM32 DMA driver registered
[    1.513212] stm32-mdma 58000000.dma-controller: STM32 MDMA driver registered
[    1.519255] reg11: supplied by vdd
[    1.522269] reg18: supplied by vdd
[    1.525890] stm32-usbphyc 5a006000.usbphyc: registered rev:1.0
[    1.534545] dwc2 49000000.usb-otg: supply vusb_d not found, using dummy regulator
[    1.540650] dwc2 49000000.usb-otg: supply vusb_a not found, using dummy regulator
[    1.548928] dwc2 49000000.usb-otg: Configuration mismatch. dr_mode forced to host
[    1.561811] usb33: supplied by vdd_usb
[    1.564738] dwc2 49000000.usb-otg: DWC OTG Controller
[    1.569202] dwc2 49000000.usb-otg: new USB bus registered, assigned bus number 1
[    1.576727] dwc2 49000000.usb-otg: irq 42, io mem 0x49000000
[    1.583387] hub 1-0:1.0: USB hub found
[    1.586025] hub 1-0:1.0: 1 port detected
[    1.590886] ehci-platform 5800d000.usbh-ehci: EHCI Host Controller
[    1.596209] ehci-platform 5800d000.usbh-ehci: new USB bus registered, assigned bus number 2
[    1.604846] ehci-platform 5800d000.usbh-ehci: irq 49, io mem 0x5800d000
[    1.632937] ehci-platform 5800d000.usbh-ehci: USB 2.0 started, EHCI 1.00
[    1.639215] hub 2-0:1.0: USB hub found
[    1.641991] hub 2-0:1.0: 2 ports detected
[    1.653388] ALSA device list:
[    1.654919]   No soundcards ж[    1.673461] EXT4-fs (mmcblk0p4): INFO: recovery required on readonly filesystem
[    1.679354] EXT4-fs (mmcblk0p4): write access will be enabled during recovery
[    1.773070] EXT4-fs (mmcblk0p4): recovery complete
[    1.779255] EXT4-fs (mmcblk0p4): mounted filesystem with ordered data mode. Opts: (null)
[    1.786064] VFS: Mounted root (ext4 filesystem) readonly on device 179:4.
[    1.795472] devtmpfs: mounted
[    1.799059] Freeing unused kernel memory: 1024K
[    1.802343] Run /sbin/init as init process
[    1.931218] EXT4-fs (mmcblk0p4): re-mounted. Opts: (null)
Starting syslogd: OK
[    2.013060] usb 2-1: new high-speed USB device number 2 using ehci-platform
Starting klogd: OK
Running sysctl: OK
Initializing random number generator: OK
Saving random seed: OK
Starting network: OK
[    2.214333] hub 2-1:1.0: USB hub found
[    2.216860] hub 2-1:1.0: 4 ports detected

Welcome to Buildroot
buildroot login: [    2.532932] usb 2-1.4: new high-speed USB device number 3 using ehci-platform
[    2.685827] hub 2-1.4:1.0: USB hub found
[    2.688734] hub 2-1.4:1.0: 4 ports detected
[    3.012931] usb 2-1.4.1: new low-speed USB device number 4 using ehci-platform
[    3.177448] input: LiteOn Lenovo Traditional USB Keyboard as /devices/platform/soc/5800d000.usbh-ehci/usb2/2-1/2-1.4/2-1.4.1/2-1.4.1:1.0/0003:17EF:6099.0001/input/input1
[    3.253540] hid-generic 0003:17EF:6099.0001: input: USB HID v1.11 Keyboard [LiteOn Lenovo Traditional USB Keyboard] on usb-5800d000.usbh-ehci-1.4.1/input0
[    3.275224] input: LiteOn Lenovo Traditional USB Keyboard System Control as /devices/platform/soc/5800d000.usbh-ehci/usb2/2-1/2-1.4/2-1.4.1/2-1.4.1:1.1/0003:17EF:6099.0002/input/input2
[    3.353442] input: LiteOn Lenovo Traditional USB Keyboard Consumer Control as /devices/platform/soc/5800d000.usbh-ehci/usb2/2-1/2-1.4/2-1.4.1/2-1.4.1:1.1/0003:17EF:6099.0002/input/input3
[    3.369164] hid-generic 0003:17EF:6099.0002: input: USB HID v1.11 Device [LiteOn Lenovo Traditional USB Keyboard] on usb-5800d000.usbh-ehci-1.4.1/input1
[    3.482938] usb 2-1.4.4: new low-speed USB device number 5 using ehci-platform
[    3.641686] input: Logitech USB Optical Mouse as /devices/platform/soc/5800d000.usbh-ehci/usb2/2-1/2-1.4/2-1.4.4/2-1.4.4:1.0/0003:046D:C077.0003/input/input4
[    3.654780] hid-generic 0003:046D:C077.0003: input: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-5800d000.usbh-ehci-1.4.4/input0
root
# uname -a
Linux buildroot 5.8.13 #1 SMP PREEMPT Fri Mar 26 09:46:34 MSK 2021 armv7l GNU/Linux
#