AM6442: Linux Hibernation and DeepSleep

U-Boot SPL 2020.01-g84b608fd34 (Jan 27 2021 - 05:41:28 +0000)
SYSFW ABI: 3.1 (firmware rev 0x0014 '20.12.1--v2020.12a (Terrific Ll')
Trying to boot from MMC2
Starting ATF on ARM64 core...

NOTICE:  BL31: v2.4(release):07.02.00.004-dirty
NOTICE:  BL31: Built : 05:13:22, Jan 27 2021

U-Boot SPL 2020.01-g84b608fd34 (Jan 27 2021 - 05:22:56 +0000)
SYSFW ABI: 3.1 (firmware rev 0x0014 '20.12.1--v2020.12a (Terrific Ll')
Trying to boot from MMC2


U-Boot 2020.01-g84b608fd34 (Jan 27 2021 - 05:22:56 +0000)

Model: Texas Instruments AM642 EVM
I2C:   Error, wrong i2c adapter 0 max 0 possible
ready
DRAM:  2 GiB
MMC:   sdhci@fa10000: 0, sdhci@fa00000: 1
Loading Environment from MMC... OK
Error, wrong i2c adapter 0 max 0 possible
In:    serial@2800000
Out:   serial@2800000
Err:   serial@2800000
Net:   eth0: ethernet@8000000
Hit any key to stop autoboot:  0
switch to partitions #0, OK
mmc1 is current device
SD/MMC found on device 1
574 bytes read in 2 ms (280.3 KiB/s)
Loaded env from uEnv.txt
Importing environment from mmc1 ...
Unknown command 'args_mmc=run' - try 'help'
16668680 bytes read in 649 ms (24.5 MiB/s)
35297 bytes read in 4 ms (8.4 MiB/s)
## Flattened Device Tree blob at 88000000
   Booting using the fdt blob at 0x88000000
   Loading Device Tree to 000000008fff4000, end 000000008ffff9e0 ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[    0.000000] Linux version 5.4.87-gb6adce5bd1 (oe-user@oe-host) (gcc version 9.2.1 20191025 (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10))) #1 SMP PREEMPT Wed Jan 27 04:55:50 UTC 2021
[    0.000000] Machine model: Texas Instruments AM642 EVM
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a0000000, size 1 MiB
[    0.000000] OF: reserved mem: initialized node r5f-dma-memory@a0000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a0100000, size 15 MiB
[    0.000000] OF: reserved mem: initialized node r5f-memory@a0100000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a1000000, size 1 MiB
[    0.000000] OF: reserved mem: initialized node r5f-dma-memory@a1000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a1100000, size 15 MiB
[    0.000000] OF: reserved mem: initialized node r5f-memory@a1100000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a2000000, size 1 MiB
[    0.000000] OF: reserved mem: initialized node r5f-dma-memory@a2000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a2100000, size 15 MiB
[    0.000000] OF: reserved mem: initialized node r5f-memory@a2100000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a3000000, size 1 MiB
[    0.000000] OF: reserved mem: initialized node r5f-dma-memory@a3000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a3100000, size 15 MiB
[    0.000000] OF: reserved mem: initialized node r5f-memory@a3100000, compatible id shared-dma-pool
[    0.000000] cma: Reserved 512 MiB at 0x00000000e0000000
[    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: Trusted OS migration not required
[    0.000000] psci: SMC Calling Convention v1.0
[    0.000000] percpu: Embedded 2 pages/cpu s48472 r8192 d74408 u131072
[    0.000000] Detected VIPT I-cache on CPU0
[    0.000000] CPU features: detected: ARM erratum 845719
[    0.000000] CPU features: detected: GIC system register CPU interface
[    0.000000] Built 1 zonelists, mobility grouping off.  Total pages: 15728
[    0.000000] Kernel command line: console=ttyS2,115200n8 root=/dev/mmcblk1p2 rw rootfstype=ext4 rootwait resume=/dev/mmcblk1p3
[    0.000000] Dentry cache hash table entries: 131072 (order: 4, 1048576 bytes, linear)
[    0.000000] Inode-cache hash table entries: 65536 (order: 3, 524288 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] software IO TLB: mapped [mem 0xbbff0000-0xbfff0000] (64MB)
[    0.000000] Memory: 1387072K/1007616K available (9598K kernel code, 790K rwdata, 3840K rodata, 1664K init, 681K bss, 18446744073708647872K reserved, 524288K cma-reserved)
[    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=256 to nr_cpu_ids=2.
[    0.000000]  Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[    0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[    0.000000] GICv3: GIC: Using split EOI/Deactivate mode
[    0.000000] GICv3: 256 SPIs implemented
[    0.000000] GICv3: 0 Extended SPIs implemented
[    0.000000] GICv3: Distributor has no Range Selector support
[    0.000000] GICv3: 16 PPIs implemented
[    0.000000] GICv3: no VLPI support, no direct LPI support
[    0.000000] GICv3: CPU0: found redistributor 0 region 0:0x0000000001840000
[    0.000000] ITS [mem 0x01820000-0x0182ffff]
[    0.000000] GIC: enabling workaround for ITS: Socionext Synquacer pre-ITS
[    0.000000] ITS@0x0000000001820000: allocated 1048576 Devices @df000000 (flat, esz 8, psz 64K, shr 0)
[    0.000000] ITS: using cache flushing for cmd queue
[    0.000000] GICv3: using LPI property table @0x00000000dfa90000
[    0.000000] GIC: using cache flushing for LPI property table
[    0.000000] GICv3: CPU0: using allocated LPI pending table @0x00000000dfaa0000
[    0.000000] random: get_random_bytes called from start_kernel+0x2b8/0x43c with crng_init=0
[    0.000000] arch_timer: cp15 timer(s) running at 200.00MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x2e2049d3e8, max_idle_ns: 440795210634 ns
[    0.000004] sched_clock: 56 bits at 200MHz, resolution 5ns, wraps every 4398046511102ns
[    0.000231] Console: colour dummy device 80x25
[    0.000283] Calibrating delay loop (skipped), value calculated using timer frequency.. 400.00 BogoMIPS (lpj=800000)
[    0.000294] pid_max: default: 32768 minimum: 301
[    0.000395] LSM: Security Framework initializing
[    0.000484] Mount-cache hash table entries: 8192 (order: 0, 65536 bytes, linear)
[    0.000522] Mountpoint-cache hash table entries: 8192 (order: 0, 65536 bytes, linear)
[    0.002773] ASID allocator initialised with 32768 entries
[    0.002884] rcu: Hierarchical SRCU implementation.
[    0.003127] Platform MSI: msi-controller@1820000 domain created
[    0.003303] PCI/MSI: /bus@f4000/interrupt-controller@1800000/msi-controller@1820000 domain created
[    0.003646] smp: Bringing up secondary CPUs ...
[    0.004447] Detected VIPT I-cache on CPU1
[    0.004480] GICv3: CPU1: found redistributor 1 region 0:0x0000000001860000
[    0.004494] GICv3: CPU1: using allocated LPI pending table @0x00000000dfab0000
[    0.004545] CPU1: Booted secondary processor 0x0000000001 [0x410fd034]
[    0.004660] smp: Brought up 1 node, 2 CPUs
[    0.004675] SMP: Total of 2 processors activated.
[    0.004682] CPU features: detected: 32-bit EL0 Support
[    0.004688] CPU features: detected: CRC32 instructions
[    0.010727] CPU: All CPU(s) started at EL2
[    0.010751] alternatives: patching kernel code
[    0.011975] devtmpfs: initialized
[    0.017665] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.017689] futex hash table entries: 512 (order: -1, 32768 bytes, linear)
[    0.019697] pinctrl core: initialized pinctrl subsystem
[    0.020749] NET: Registered protocol family 16
[    0.027674] DMA: preallocated 256 KiB pool for atomic allocations
[    0.028562] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[    0.042202] HugeTLB registered 16.0 GiB page size, pre-allocated 0 pages
[    0.042215] HugeTLB registered 512 MiB page size, pre-allocated 0 pages
[    0.042222] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    0.043721] cryptd: max_cpu_qlen set to 1000
[    0.047549] vsys_5v0: supplied by evm_12v0
[    0.047764] vsys_3v3: supplied by evm_12v0
[    0.048623] iommu: Default domain type: Translated
[    0.049066] SCSI subsystem initialized
[    0.049606] mc: Linux media interface: v0.10
[    0.049634] videodev: Linux video capture interface: v2.00
[    0.049662] pps_core: LinuxPPS API ver. 1 registered
[    0.049667] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.049683] PTP clock support registered
[    0.049710] EDAC MC: Ver: 3.0.0
[    0.050461] omap-mailbox 29020000.mailbox: omap mailbox rev 0x66fc9100
[    0.050648] omap-mailbox 29040000.mailbox: omap mailbox rev 0x66fc9100
[    0.050767] omap-mailbox 29060000.mailbox: omap mailbox rev 0x66fc9100
[    0.051361] FPGA manager framework
[    0.051462] Advanced Linux Sound Architecture Driver Initialized.
[    0.052524] clocksource: Switched to clocksource arch_sys_counter
[    0.052965] VFS: Disk quotas dquot_6.6.0
[    0.053056] VFS: Dquot-cache hash table entries: 8192 (order 0, 65536 bytes)
[    0.058576] thermal_sys: Registered thermal governor 'step_wise'
[    0.058581] thermal_sys: Registered thermal governor 'power_allocator'
[    0.058962] NET: Registered protocol family 2
[    0.059750] tcp_listen_portaddr_hash hash table entries: 4096 (order: 0, 65536 bytes, linear)
[    0.059845] TCP established hash table entries: 8192 (order: 0, 65536 bytes, linear)
[    0.059914] TCP bind hash table entries: 8192 (order: 1, 131072 bytes, linear)
[    0.060031] TCP: Hash tables configured (established 8192 bind 8192)
[    0.060161] UDP hash table entries: 2048 (order: 0, 65536 bytes, linear)
[    0.060250] UDP-Lite hash table entries: 2048 (order: 0, 65536 bytes, linear)
[    0.060474] NET: Registered protocol family 1
[    0.061137] RPC: Registered named UNIX socket transport module.
[    0.061148] RPC: Registered udp transport module.
[    0.061152] RPC: Registered tcp transport module.
[    0.061157] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.061173] PCI: CLS 0 bytes, default 64
[    0.061869] hw perfevents: enabled with armv8_pmuv3 PMU driver, 7 counters available
[    0.066157] Initialise system trusted keyrings
[    0.066400] workingset: timestamp_bits=46 max_order=15 bucket_order=0
[    0.072197] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.072950] NFS: Registering the id_resolver key type
[    0.072986] Key type id_resolver registered
[    0.072991] Key type id_legacy registered
[    0.073005] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.073222] 9p: Installing v9fs 9p2000 file system support
[    0.089089] Key type asymmetric registered
[    0.089105] Asymmetric key parser 'x509' registered
[    0.089167] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244)
[    0.089175] io scheduler mq-deadline registered
[    0.089180] io scheduler kyber registered
[    0.091185] pinctrl-single f4000.pinctrl: 185 pins, size 740
[    0.092237] pinctrl-single a40000.timesync-router: 512 pins, size 2048
[    0.099243] Serial: 8250/16550 driver, 10 ports, IRQ sharing enabled
[    0.113679] brd: module loaded
[    0.121287] loop: module loaded
[    0.124324] libphy: Fixed MDIO Bus: probed
[    0.124907] tun: Universal TUN/TAP device driver, 1.6
[    0.125504] igbvf: Intel(R) Gigabit Virtual Function Network Driver - version 2.4.0-k
[    0.125511] igbvf: Copyright (c) 2009 - 2012 Intel Corporation.
[    0.125559] sky2: driver version 1.30
[    0.126489] VFIO - User Level meta-driver version: 0.3
[    0.127310] i2c /dev entries driver
[    0.128069] sdhci: Secure Digital Host Controller Interface driver
[    0.128075] sdhci: Copyright(c) Pierre Ossman
[    0.128486] sdhci-pltfm: SDHCI platform and OF driver helper
[    0.129296] ledtrig-cpu: registered to indicate activity on CPUs
[    0.129416] ti-sci bus@f4000:dmsc: invalid resource
[    0.130550] optee: probing for conduit method from DT.
[    0.130584] optee: revision 3.11 (c4def2a8)
[    0.131342] optee: initialized driver
[    0.132971] NET: Registered protocol family 17
[    0.133138] 9pnet: Installing 9P2000 support
[    0.133197] Key type dns_resolver registered
[    0.133594] registered taskstats version 1
[    0.133600] Loading compiled-in X.509 certificates
[    0.141893] ti-sci bus@f4000:dmsc: invalid resource
[    0.142169] ti-sci bus@f4000:dmsc: ABI: 3.1 (firmware rev 0x0014 '20.12.1--v2020.12a (Terrific Ll')
[    0.157475] omap_i2c 20000000.i2c: bus 0 rev0.12 at 100 kHz
[    0.158545] pca953x 1-0022: 1-0022 supply vcc not found, using dummy regulator
[    0.158625] pca953x 1-0022: using AI
[    0.181474] omap_i2c 20010000.i2c: bus 1 rev0.12 at 400 kHz
[    0.182377] omap_i2c 20020000.i2c: bus 2 rev0.12 at 100 kHz
[    0.183184] omap_i2c 20030000.i2c: bus 3 rev0.12 at 100 kHz
[    0.183411] ti-sci-intr bus@f4000:interrupt-controller0: Interrupt Router 3 domain created
[    0.183636] ti-sci-inta 48000000.interrupt-controller: Interrupt Aggregator domain -1 created
[    1.199704] j721e-pcie f102000.pcie: host bridge /bus@f4000/pcie@f102000 ranges:
[    1.199776] j721e-pcie f102000.pcie:    IO 0x68001000..0x68010fff -> 0x68001000
[    1.199831] j721e-pcie f102000.pcie:   MEM 0x68011000..0x6fffffff -> 0x68011000
[    1.200078] j721e-pcie f102000.pcie: PCI host bridge to bus 0000:00
[    1.200091] pci_bus 0000:00: root bus resource [bus 00-0f]
[    1.200102] pci_bus 0000:00: root bus resource [io  0x0000-0xffff] (bus address [0x68001000-0x68010fff])
[    1.200109] pci_bus 0000:00: root bus resource [mem 0x68011000-0x6fffffff]
[    1.200149] pci 0000:00:00.0: [104c:b010] type 01 class 0x060400
[    1.200174] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x4 may corrupt adjacent RW1C bits
[    1.200184] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x4 may corrupt adjacent RW1C bits
[    1.200222] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0xe8 may corrupt adjacent RW1C bits
[    1.200232] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x3e may corrupt adjacent RW1C bits
[    1.200256] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x92 may corrupt adjacent RW1C bits
[    1.200269] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0xb2 may corrupt adjacent RW1C bits
[    1.200315] pci 0000:00:00.0: supports D1
[    1.200322] pci 0000:00:00.0: PME# supported from D0 D1 D3hot
[    1.200333] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x84 may corrupt adjacent RW1C bits
[    1.202134] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[    1.202148] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x3e may corrupt adjacent RW1C bits
[    1.202160] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x3e may corrupt adjacent RW1C bits
[    1.202172] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x3e may corrupt adjacent RW1C bits
[    1.203667] pci_bus 0000:01: busn_res: [bus 01-0f] end is updated to 01
[    1.203692] pci 0000:00:00.0: PCI bridge to [bus 01]
[    1.204118] pcieport 0000:00:00.0: PME: Signaling with IRQ 29
[    1.204626] pcieport 0000:00:00.0: AER: enabled with IRQ 29
[    1.205253] ti-bcdma 485c0100.dma-controller: Number of rings: 68
[    1.206318] ti-bcdma 485c0100.dma-controller: Channels: 24 (bchan: 12, tchan: 6, rchan: 6)
[    1.208116] ti-pktdma 485c0000.dma-controller: Number of rings: 288
[    1.213473] ti-pktdma 485c0000.dma-controller: Channels: 32 (tchan: 21, rchan: 11)
[    1.216025] printk: console [ttyS2] disabled
[    1.216084] 2800000.serial: ttyS2 at MMIO 0x2800000 (irq = 8, base_baud = 3000000) is a 8250
[    2.514020] printk: console [ttyS2] enabled
[    2.521603] random: fast init done
[    2.530236] spi-nor spi0.0: s28hs512t (65536 Kbytes)
[    2.535219] 1 fixed-partitions partitions found on MTD device fc40000.spi.0
[    2.542173] Creating 1 MTD partitions on "fc40000.spi.0":
[    2.547571] 0x000003fc0000-0x000004000000 : "ospi.phypattern"
[    2.600585] davinci_mdio 8000f00.mdio: davinci mdio revision 9.7, bus freq 1000000
[    2.608175] libphy: 8000f00.mdio: probed
[    2.613657] davinci_mdio 8000f00.mdio: phy[0]: device 8000f00.mdio:00, driver TI DP83867
[    2.621799] am65-cpsw-nuss 8000000.ethernet: initializing am65 cpsw nuss version 0x6BA00903, cpsw version 0x6BA80903 Ports: 3 quirks:00000002
[    2.634960] am65-cpsw-nuss 8000000.ethernet: set new flow-id-base 16
[    2.641477] am65-cpsw-nuss 8000000.ethernet: initialized cpsw ale version 1.4
[    2.648616] am65-cpsw-nuss 8000000.ethernet: ALE Table size 512
[    2.655123] pps pps0: new PPS source ptp0
[    2.659488] am65-cpsw-nuss 8000000.ethernet: CPTS ver 0x4e8a010c, freq:500000000, add_val:1 pps:1
[    2.671707] am65-cpts 39000000.cpts: CPTS ver 0x4e8a010c, freq:500000000, add_val:1 pps:0
[    2.680950] mmc0: CQHCI version 5.10
[    2.725874] mmc0: SDHCI controller on fa10000.sdhci [fa10000.sdhci] using ADMA 64-bit
[    2.736297] gpio-mux mux-controller: 2-way mux-controller registered
[    2.746859] davinci_gpio 601000.gpio: IRQ index 2 not found
[    2.752562] davinci_gpio 601000.gpio: IRQ not populated, err = -6
[    2.760288] vdd_mmc1: supplied by vsys_3v3
[    2.765020] libphy: mdio_mux: probed
[    2.775950] mmc1: CQHCI version 5.10
[    2.825108] mmc1: SDHCI controller on fa00000.sdhci [fa00000.sdhci] using ADMA 64-bit
[    2.833176] debugfs: Directory 'pd:114' with parent 'pm_genpd' already present!
[    2.842073] hctosys: unable to open rtc device (rtc0)
[    2.844576] mmc0: Command Queue Engine enabled
[    2.851630] mmc0: new HS400 MMC card at address 0001
[    2.857515] mmcblk0: mmc0:0001 S0J56X 14.8 GiB
[    2.862345] mmcblk0boot0: mmc0:0001 S0J56X partition 1 31.5 MiB
[    2.868593] mmcblk0boot1: mmc0:0001 S0J56X partition 2 31.5 MiB
[    2.874905] mmcblk0rpmb: mmc0:0001 S0J56X partition 3 4.00 MiB, chardev (240:0)
[    2.882462] ALSA device list:
[    2.885519]   No soundcards found.
[    2.892422] Waiting for root device /dev/mmcblk1p2...
[    2.910223] mmc1: new ultra high speed SDR104 SDHC card at address aaaa
[    2.917650] mmcblk1: mmc1:aaaa SC16G 14.8 GiB
[    2.927421]  mmcblk1: p1 p2 p3
[    3.078892] EXT4-fs (mmcblk1p2): recovery complete
[    3.084950] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null)
[    3.093115] VFS: Mounted root (ext4 filesystem) on device 179:98.
[    3.104661] devtmpfs: mounted
[    3.108498] Freeing unused kernel memory: 1664K
[    3.113080] Run /sbin/init as init process
[    3.229518] systemd[1]: System time before build time, advancing clock.
[    3.283006] NET: Registered protocol family 10
[    3.288730] Segment Routing with IPv6
[    3.319073] systemd[1]: systemd 244.5+ running in system mode. (+PAM -AUDIT -SELINUX +IMA -APPARMOR -SMACK +SYSVINIT +UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS +ACL +XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -IDN2 -IDN -PCRE2 default-hierarchy=hybrid)
[    3.341227] systemd[1]: Detected architecture arm64.

Welcome to Arago 2020.09!

[    3.395377] systemd[1]: Set hostname to <am64xx-evm>.
[    3.840289] random: systemd: uninitialized urandom read (16 bytes read)
[    3.847255] systemd[1]: system-getty.slice: unit configures an IP firewall, but the local system does not support BPF/cgroup firewalling.
[    3.859619] systemd[1]: (This warning is only shown for the first unit using IP firewalling.)
[    3.871373] systemd[1]: Created slice system-getty.slice.
[  OK  ] Created slice system-getty.slice.
[    3.888766] random: systemd: uninitialized urandom read (16 bytes read)
[    3.896931] systemd[1]: Created slice system-serial\x2dgetty.slice.
[  OK  ] Created slice system-serial\x2dgetty.slice.
[    3.916748] random: systemd: uninitialized urandom read (16 bytes read)
[    3.924734] systemd[1]: Created slice User and Session Slice.
[  OK  ] Created slice User and Session Slice.
[    3.941118] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[  OK  ] Started Dispatch Password �cts to Console Directory Watch.
[    3.965043] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[  OK  ] Started Forward Password R�cuests to Wall Directory Watch.
[    3.988955] systemd[1]: Reached target Paths.
[  OK  ] Reached target Paths.
[    4.004824] systemd[1]: Reached target Remote File Systems.
[  OK  ] Reached target Remote File Systems.
[    4.024782] systemd[1]: Reached target Slices.
[  OK  ] Reached target Slices.
[    4.040800] systemd[1]: Reached target Swap.
[  OK  ] Reached target Swap.
[    4.057741] systemd[1]: Listening on RPCbind Server Activation Socket.
[  OK  ] Listening on RPCbind Server Activation Socket.
[    4.076825] systemd[1]: Reached target RPC Port Mapper.
[  OK  ] Reached target RPC Port Mapper.
[    4.100346] systemd[1]: Listening on Process Core Dump Socket.
[  OK  ] Listening on Process Core Dump Socket.
[    4.117163] systemd[1]: Listening on initctl Compatibility Named Pipe.
[  OK  ] Listening on initctl Compatibility Named Pipe.
[    4.147432] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.
[    4.156333] systemd[1]: Listening on Journal Socket (/dev/log).
[  OK  ] Listening on Journal Socket (/dev/log).
[    4.173427] systemd[1]: Listening on Journal Socket.
[  OK  ] Listening on Journal Socket.
[    4.189672] systemd[1]: Listening on Network Service Netlink Socket.
[  OK  ] Listening on Network Service Netlink Socket.
[    4.209415] systemd[1]: Listening on udev Control Socket.
[  OK  ] Listening on udev Control Socket.
[    4.229244] systemd[1]: Listening on udev Kernel Socket.
[  OK  ] Listening on udev Kernel Socket.
[    4.250816] systemd[1]: Mounting Huge Pages File System...
         Mounting Huge Pages File System...
[    4.274006] systemd[1]: Mounting POSIX Message Queue File System...
         Mounting POSIX Message Queue File System...
[    4.302365] systemd[1]: Mounting Kernel Debug File System...
         Mounting Kernel Debug File System...
[    4.328380] systemd[1]: Mounting Temporary Directory (/tmp)...
         Mounting Temporary Directory (/tmp)...
[    4.350601] systemd[1]: Starting Create list of static device nodes for the current kernel...
         Starting Create list of st�codes for the current kernel...
[    4.382222] systemd[1]: Starting Start psplash boot splash screen...
         Starting Start psplash boot splash screen...
[    4.410968] systemd[1]: Starting RPC Bind...
         Starting RPC Bind...
[    4.429032] systemd[1]: Condition check resulted in File System Check on Root Device being skipped.
[    4.444843] systemd[1]: Starting Journal Service...
         Starting Journal Service...
[    4.469121] systemd[1]: Condition check resulted in Load Kernel Modules being skipped.
[    4.477939] systemd[1]: Condition check resulted in FUSE Control File System being skipped.
[    4.492298] systemd[1]: Mounting Kernel Configuration File System...
         Mounting Kernel Configuration File System...
[    4.519133] systemd[1]: Starting Remount Root and Kernel File Systems...
         Starting Remount Root and Kernel File Systems...
[    4.546712] systemd[1]: Starting Apply Kernel Variables...
         Starting Apply Kernel Variables...
[    4.591001] systemd[1]: Starting udev Coldplug all Devices...
         Starting udev Coldplug all Devices...
[    4.606299] EXT4-fs (mmcblk1p2): re-mounted. Opts: (null)
[    4.622169] systemd[1]: Started RPC Bind.
[  OK  ] Started RPC Bind.
[    4.637469] systemd[1]: Started Journal Service.
[  OK  ] Started Journal Service.
[  OK  ] Mounted Huge Pages File System.
[  OK  ] Mounted POSIX Message Queue File System.
[  OK  ] Mounted Kernel Debug File System.
[  OK  ] Mounted Temporary Directory (/tmp).
[  OK  ] Started Create list of sta�c nodes for the current kernel.
[FAILED] Failed to start Start psplash boot splash screen.
See 'systemctl status psplash-start.service' for details.
[DEPEND] Dependency failed for Star�cprogress communication helper.
[  OK  ] Mounted Kernel Configuration File System.
[  OK  ] Started Remount Root and Kernel File Systems.
[  OK  ] Started Apply Kernel Variables.
         Starting Flush Journal to Persistent Storage...
         Starting Create Static Device Nodes in /dev...
[    4.913263] systemd-journald[154]: Received client request to flush runtime journal.
[  OK  ] Started Flush Journal to Persistent Storage.
[  OK  ] Started Create Static Device Nodes in /dev.
[  OK  ] Reached target Local File Systems (Pre).
         Mounting /media/ram...
         Mounting /var/volatile...
         Starting udev Kernel Device Manager...
[  OK  ] Mounted /media/ram.
[  OK  ] Mounted /var/volatile.
         Starting Load/Save Random Seed...
[  OK  ] Reached target Local File Systems.
         Starting Create Volatile Files and Directories...
[  OK  ] Started udev Coldplug all Devices.
[  OK  ] Started Create Volatile Files and Directories.
[  OK  ] Started udev Kernel Device Manager.
         Starting Network Time Synchronization...
         Starting Update UTMP about System Boot/Shutdown...
[  OK  ] Started Update UTMP about System Boot/Shutdown.
[  OK  ] Started Network Time Synchronization.
[  OK  ] Reached target System Initialization.
[  OK  ] Started Daily Cleanup of Temporary Directories.
[  OK  ] Reached target System Time Set.
[  OK  ] Reached target System Time Synchronized.
[  OK  ] Reached target Timers.
[  OK  ] Listening on Avahi mDNS/DNS-SD Stack Activation Socket.
[  OK  ] Listening on D-Bus System Message Bus Socket.
[  OK  ] Listening on dropbear.socket.
[  OK  ] Reached target Sockets.
[  OK  ] Reached target Basic System.
[  OK  ] Started D-Bus System Message Bus.
         Starting Print notice about GPLv3 packages...
         Starting IPv6 Packet Filtering Framework...
         Starting IPv4 Packet Filtering Framework...
         Starting Login Service...
         Starting telnetd.service...
[  OK  ] Started IPv6 Packet Filtering Framework.
[  OK  ] Started IPv4 Packet Filtering Framework.
[  OK  ] Reached target Network (Pre).
         Starting Network Service...
[  OK  ] Started telnetd.service.
[  OK  ] Started Network Service.
         Starting Wait for Network to be Configured...
         Starting Network Name Resolution...
[  OK  ] Started Login Service.
[    6.620381] 93xx46 spi1.0: 16-bit eeprom
[  OK  ] Started Network Name Resolution.
[  OK  ] Reached target Network.
[  OK  ] Reached target Host and Network Name Lookups.
         Starting Avahi mDNS/DNS-SD Stack...
[  OK  ] Started NFS status monitor for NFSv2/3 locking..
         Starting Permit User Sessions...
[  OK  ] Started Avahi mDNS/DNS-SD Stack.
[  OK  ] Started Permit User Sessions.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Serial Getty on ttyS1.
[  OK  ] Started Serial Getty on ttyS2.
[  OK  ] Reached target Login Prompts.
         Starting Synchronize System and HW clocks...
[FAILED] Failed to start Synchronize System and HW clocks.
See 'systemctl status sync-clocks.service' for details.
***************************************************************
***************************************************************
NOTICE: This file system contains the following GPLv3 packages:
        bash
        cifs-utils
        dosfstools
        less
        libdw1
        libelf1

If you do not wish to distribute GPLv3 components please remove
the above packages prior to distribution.  This can be done using
the opkg remove command.  i.e.:
    opkg remove <package>
Where <package> is the name printed in the list above

NOTE: If the package is a dependency of another package you
      will be notified of the dependent packages.  You should
      use the --force-removal-of-dependent-packages option to
      also remove the dependent packages as well
***************************************************************
***************************************************************
[  OK  ] Started Print notice about GPLv3 packages.
[    7.384627] random: crng init done
[    7.388067] random: 7 urandom warning(s) missed due to ratelimiting
[  OK  ] Started Load/Save Random Seed.
[    7.466055] platform 78000000.r5f: configured R5F for remoteproc mode
[    7.494676] platform 78000000.r5f: assigned reserved memory node r5f-dma-memory@a0000000
[    7.541889] remoteproc remoteproc0: 78000000.r5f is available
[    7.594662] platform 78200000.r5f: configured R5F for remoteproc mode
[    7.618627] remoteproc remoteproc0: powering up 78000000.r5f
[    7.624387] remoteproc remoteproc0: Booting fw image am64-main-r5f0_0-fw, size 853436
[    7.641756] platform 78000000.r5f: booting R5F core using boot addr = 0x0
[    7.652636]  remoteproc0#vdev0buffer: assigned reserved memory node r5f-dma-memory@a0000000
[    7.665290] virtio_rpmsg_bus virtio0: rpmsg host is online
[    7.665807] virtio_rpmsg_bus virtio0: creating channel ti.ipc4.ping-pong addr 0xd
[    7.676656]  remoteproc0#vdev0buffer: registered virtio0 (type 7)
[    7.684953] virtio_rpmsg_bus virtio0: creating channel rpmsg_chrdev addr 0xe
[    7.692630] remoteproc remoteproc0: remote processor 78000000.r5f is now up
[    7.734084] TI DP83869 0.1:03: attached PHY driver [TI DP83869] (mii_bus:phy_addr=0.1:03, irq=POLL)
[    7.750440] am65-cpsw-nuss 8000000.ethernet eth1: Link is Down
[    7.764254] platform 78200000.r5f: assigned reserved memory node r5f-dma-memory@a1000000
[    7.821150] TI DP83867 8000f00.mdio:00: attached PHY driver [TI DP83867] (mii_bus:phy_addr=8000f00.mdio:00, irq=POLL)
[    7.838661] am65-cpsw-nuss 8000000.ethernet eth0: Link is Down
[    7.851514] remoteproc remoteproc1: 78200000.r5f is available
[    7.957257] remoteproc remoteproc1: powering up 78200000.r5f
[    7.966670] remoteproc remoteproc1: Booting fw image am64-main-r5f0_1-fw, size 864748
[    7.981839] platform 78400000.r5f: configured R5F for remoteproc mode
[    7.989555] platform 78200000.r5f: booting R5F core using boot addr = 0x0
[    7.996866]  remoteproc1#vdev0buffer: assigned reserved memory node r5f-dma-memory@a1000000
[    8.009876] virtio_rpmsg_bus virtio1: rpmsg host is online
[    8.024826]  remoteproc1#vdev0buffer: registered virtio1 (type 7)
[    8.031502] remoteproc remoteproc1: remote processor 78200000.r5f is now up
[    8.044703] virtio_rpmsg_bus virtio1: creating channel ti.ipc4.ping-pong addr 0xd
[    8.053865] virtio_rpmsg_bus virtio1: creating channel rpmsg_chrdev addr 0xe
[    8.140363] platform 78400000.r5f: assigned reserved memory node r5f-dma-memory@a2000000
[    8.156300] remoteproc remoteproc2: 78400000.r5f is available
[    8.172809] platform 78600000.r5f: configured R5F for remoteproc mode
[    8.183929] remoteproc remoteproc2: powering up 78400000.r5f
[    8.192504] remoteproc remoteproc2: Booting fw image am64-main-r5f1_0-fw, size 816736
[    8.207229] platform 78400000.r5f: booting R5F core using boot addr = 0x0
[    8.220827]  remoteproc2#vdev0buffer: assigned reserved memory node r5f-dma-memory@a2000000
[    8.233536] virtio_rpmsg_bus virtio2: rpmsg host is online
[    8.240744] platform 78600000.r5f: assigned reserved memory node r5f-dma-memory@a3000000
[    8.242295]  remoteproc2#vdev0buffer: registered virtio2 (type 7)
[    8.260474] remoteproc remoteproc2: remote processor 78400000.r5f is now up
[    8.269883] virtio_rpmsg_bus virtio2: creating channel ti.ipc4.ping-pong addr 0xd
[    8.279625] virtio_rpmsg_bus virtio2: creating channel rpmsg_chrdev addr 0xe
[    8.320146] remoteproc remoteproc3: 78600000.r5f is available
[    8.365598] remoteproc remoteproc3: powering up 78600000.r5f
[    8.372252] remoteproc remoteproc3: Booting fw image am64-main-r5f1_1-fw, size 823176
[    8.388347] platform 78600000.r5f: booting R5F core using boot addr = 0x0
[    8.401645]  remoteproc3#vdev0buffer: assigned reserved memory node r5f-dma-memory@a3000000
[    8.414635] virtio_rpmsg_bus virtio3: rpmsg host is online
[    8.424742]  remoteproc3#vdev0buffer: registered virtio3 (type 7)
[    8.432618] remoteproc remoteproc3: remote processor 78600000.r5f is now up
[    8.444643] virtio_rpmsg_bus virtio3: creating channel ti.ipc4.ping-pong addr 0xd
[    8.461525] virtio_rpmsg_bus virtio3: creating channel rpmsg_chrdev addr 0xe
[  OK  ] Created slice system-systemd\x2dfsck.slice.
[    9.982934] cdns-usb3 f400000.usb: DRD version v1 (ID: 0004024e, rev: 00000200)
[  OK  ] Found device /dev/mmcblk1p1.
[  OK  ] Found device /dev/mmcblk1p3.
         Starting File System Check on /dev/mmcblk1p1...
         Starting File System Check on /dev/mmcblk1p3...
[  OK  ] Started File System Check on /dev/mmcblk1p3.
         Mounting /run/media/mmcblk1p3...
[  OK  ] Started File System Check on /dev/mmcblk1p1.
[FAILED] Failed to mount /run/media/mmcblk1p3.
See 'systemctl status run-media-mmcblk1p3.mount' for details.
         Mounting /run/media/mmcblk1p1...
[  OK  ] Mounted /run/media/mmcblk1p1.

 _____                    _____           _         _
|  _  |___ ___ ___ ___   |  _  |___ ___  |_|___ ___| |_
|     |  _| .'| . | . |  |   __|  _| . | | | -_|  _|  _|
|__|__|_| |__,|_  |___|  |__|  |_| |___|_| |___|___|_|
              |___|                    |___|

Arago Project http://arago-project.org am64xx-evm ttyS2

Arago 2020.09 am64xx-evm ttyS2

am64xx-evm login: root
root@am64xx-evm:~# cd /sys/power/
root@am64xx-evm:~# uname -a
Linux am64xx-evm 5.4.87-gb6adce5bd1 #1 SMP PREEMPT Wed Jan 27 04:55:50 UTC 2021 aarch64 GNU/Linux
root@am64xx-evm:/sys/power# ls
disk               pm_async           resume             suspend_stats
image_size         pm_freeze_timeout  resume_offset      wakeup_count
mem_sleep          reserved_size      state
root@am64xx-evm:/sys/power# cat mem_sleep
[s2idle]
root@am64xx-evm:/sys/power# echo mem > /sys/power/state
[   36.264879] PM: suspend entry (s2idle)
[   36.283336] Filesystems sync: 0.014 seconds
[   36.299638] Freezing user space processes ... (elapsed 0.001 seconds) done.
[   36.308322] OOM killer disabled.
[   36.311555] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[   36.320002] printk: Suspending console(s) (use no_console_suspend to debug)