AM3359: Cannot run PRU Ethenet on ICEv2

62332 bytes read in 9 ms (6.6 MiB/s)
4620800 bytes read in 386 ms (11.4 MiB/s)
## Flattened Device Tree blob at 88000000
   Booting using the fdt blob at 0x88000000
   Loading Device Tree to 8df25000, end 8df3737b ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.28-g6f3bf13d53 (oe-user@oe-host) (gcc version 9.2.0 (GCC)) #1 PREEMPT Fri May 29 19:59:51 UTC 2020
[    0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt: Machine model: TI AM3359 ICE-V2
[    0.000000] Memory policy: Data cache writeback
[    0.000000] efi: Getting EFI parameters from FDT:
[    0.000000] efi: UEFI not found.
[    0.000000] cma: Reserved 48 MiB at 0x8a800000
[    0.000000] CPU: All CPU(s) started in SVC mode.
[    0.000000] AM335X ES2.1 (sgx neon)
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 64706
[    0.000000] Kernel command line: console=ttyS3,115200n8 root=/dev/mmcblk0p2 rw rootwait
[    0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes, linear)
[    0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 194184K/261120K available (9216K kernel code, 290K rwdata, 3064K rodata, 1024K init, 253K bss, 17784K reserved, 49152K cma-reserved, 0K highmem)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] rcu: Preemptible hierarchical RCU implementation.
[    0.000000]  Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] IRQ: Found an INTC at 0x(ptrval) (revision 5.0) with 128 interrupts
[    0.000000] random: get_random_bytes called from start_kernel+0x2b4/0x46c with crng_init=0
[    0.000000] OMAP clockevent source: timer2 at 24000000 Hz
[    0.000022] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[    0.000051] clocksource: timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000064] OMAP clocksource: timer1 at 24000000 Hz
[    0.000427] timer_probe: no matching timers found
[    0.000653] Console: colour dummy device 80x30
[    0.000731] Calibrating delay loop... 597.60 BogoMIPS (lpj=2988032)
[    0.058643] pid_max: default: 32768 minimum: 301
[    0.058936] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.058956] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.060102] CPU: Testing write buffer coherency: ok
[    0.060186] CPU0: Spectre v2: using BPIALL workaround
[    0.061256] Setting up static identity map for 0x80100000 - 0x80100060
[    0.061458] rcu: Hierarchical SRCU implementation.
[    0.061566] EFI services will not be available.
[    0.062017] devtmpfs: initialized
[    0.077775] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[    0.078321] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.078353] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[    0.082760] pinctrl core: initialized pinctrl subsystem
[    0.083757] DMI not present or invalid.
[    0.084334] NET: Registered protocol family 16
[    0.087248] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.117884] l3-aon-clkctrl:0000:0: failed to disable
[    0.120530] cpuidle: using governor ladder
[    0.120574] cpuidle: using governor menu
[    0.144148] No ATAGs?
[    0.144162] hw-breakpoint: debug architecture 0x4 unsupported.
[    0.169948] edma 49000000.edma: TI EDMA DMA engine driver
[    0.172660] iommu: Default domain type: Translated 
[    0.175642] SCSI subsystem initialized
[    0.176279] mc: Linux media interface: v0.10
[    0.176332] videodev: Linux video capture interface: v2.00
[    0.176451] pps_core: LinuxPPS API ver. 1 registered
[    0.176462] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.176492] PTP clock support registered
[    0.176538] EDAC MC: Ver: 3.0.0
[    0.178036] Advanced Linux Sound Architecture Driver Initialized.
[    0.180003] clocksource: Switched to clocksource timer1
[    0.191070] thermal_sys: Registered thermal governor 'fair_share'
[    0.191083] thermal_sys: Registered thermal governor 'bang_bang'
[    0.191106] thermal_sys: Registered thermal governor 'step_wise'
[    0.191115] thermal_sys: Registered thermal governor 'user_space'
[    0.191124] thermal_sys: Registered thermal governor 'power_allocator'
[    0.191852] NET: Registered protocol family 2
[    0.192860] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[    0.192902] TCP established hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.192942] TCP bind hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.192978] TCP: Hash tables configured (established 2048 bind 2048)
[    0.193108] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.193136] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.193328] NET: Registered protocol family 1
[    0.194092] RPC: Registered named UNIX socket transport module.
[    0.194112] RPC: Registered udp transport module.
[    0.194120] RPC: Registered tcp transport module.
[    0.194129] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.194148] PCI: CLS 0 bytes, default 64
[    0.195320] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[    0.196973] Initialise system trusted keyrings
[    0.197364] workingset: timestamp_bits=14 max_order=16 bucket_order=2
[    0.204641] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.205671] NFS: Registering the id_resolver key type
[    0.205724] Key type id_resolver registered
[    0.205736] Key type id_legacy registered
[    0.205794] ntfs: driver 2.1.32 [Flags: R/O].
[    0.206719] Key type asymmetric registered
[    0.206739] Asymmetric key parser 'x509' registered
[    0.206804] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244)
[    0.206819] io scheduler mq-deadline registered
[    0.206829] io scheduler kyber registered
[    0.213839] OMAP GPIO hardware version 0.1
[    0.244620] omap-mailbox 480c8000.mailbox: omap mailbox rev 0x400
[    0.263773] GPIO line 100 (PR1_MII_CTRL) hogged as output/high
[    0.263814] GPIO line 106 (MUX_MII_CTL1) hogged as output/low
[    0.273359] pinctrl-single 44e10800.pinmux: 142 pins, size 568
[    0.344705] Serial: 8250/16550 driver, 10 ports, IRQ sharing enabled
[    0.350786] printk: console [ttyS3] disabled
[    0.350932] 481a6000.serial: ttyS3 at MMIO 0x481a6000 (irq = 44, base_baud = 3000000) is a 8250
[    0.945128] printk: console [ttyS3] enabled
[    0.952789] omap_rng 48310000.rng: Random Number Generator ver. 20
[    0.960193] random: fast init done
[    0.963805] random: crng init done
[    0.989593] brd: module loaded
[    1.002281] loop: module loaded
[    1.012607] spi-nor spi0.0: found s25fl064k, expected w25q64
[    1.018349] spi-nor spi0.0: s25fl064k (8192 Kbytes)
[    1.023464] 4 fixed-partitions partitions found on MTD device spi0.0
[    1.029852] Creating 4 MTD partitions on "spi0.0":
[    1.034704] 0x000000000000-0x000000080000 : "u-boot-spl"
[    1.051021] 0x000000080000-0x000000180000 : "u-boot"
[    1.060994] 0x000000180000-0x0000001a0000 : "u-boot-env"
[    1.080912] 0x0000001a0000-0x000000800000 : "misc"
[    1.092475] libphy: Fixed MDIO Bus: probed
[    1.100648] i2c /dev entries driver
[    1.108563] cpuidle: enable-method property 'ti,am3352' found operations
[    1.116365] sdhci: Secure Digital Host Controller Interface driver
[    1.122635] sdhci: Copyright(c) Pierre Ossman
[    1.140874] omap_hsmmc 47810000.mmc: RX DMA channel request failed
[    1.147382] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.155697] ledtrig-cpu: registered to indicate activity on CPUs
[    1.166730] NET: Registered protocol family 10
[    1.172534] Segment Routing with IPv6
[    1.176313] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[    1.183150] NET: Registered protocol family 17
[    1.187984] Key type dns_resolver registered
[    1.192575] omap_voltage_late_init: Voltage driver support not added
[    1.199598] Loading compiled-in X.509 certificates
[    1.240487] tps65910 0-002d: No interrupt support, no core IRQ
[    1.248630] vrtc: supplied by vbat
[    1.255726] vio: supplied by vbat
[    1.260753] vdd1: supplied by vbat
[    1.265989] vdd2: supplied by vbat
[    1.272515] vdig1: supplied by vbat
[    1.277359] vdig2: supplied by vbat
[    1.282241] vpll: supplied by vbat
[    1.286999] vdac: supplied by vbat
[    1.291783] vaux1: supplied by vbat
[    1.296606] vaux2: supplied by vbat
[    1.301489] vaux33: supplied by vbat
[    1.306404] vmmc: supplied by vbat
[    1.311179] vbb: supplied by vbat
[    1.316246] pca953x 0-0041: 0-0041 supply vcc not found, using dummy regulator
[    1.350629] Console: switching to mono frame buffer device 12x2
[    1.384047] ssd1307fb 0-003c: fb0: Solomon SSD1307 framebuffer device registered, using 192 bytes of video memory
[    1.394642] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz
[    1.435824] hctosys: unable to open rtc device (rtc0)
[    1.442876] ALSA device list:
[    1.446014]   No soundcards found.
[    1.451066] Waiting for root device /dev/mmcblk0p2...
[    1.509498] mmc0: host does not support reading read-only switch, assuming write-enable
[    1.520770] mmc0: new high speed SDHC card at address aaaa
[    1.527256] mmcblk0: mmc0:aaaa SL08G 7.40 GiB 
[    1.534274]  mmcblk0: p1 p2
[    1.551591] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    1.559823] VFS: Mounted root (ext4 filesystem) on device 179:2.
[    1.566994] devtmpfs: mounted
[    1.572194] Freeing unused kernel memory: 1024K
[    1.577389] Run /sbin/init as init process
INIT: version 2.88 booting
/etc/rcS.d/S00psplash.sh: line 28: [: -q: binary operator expected

Error, no support currently for 1 bpp frame buffers
Trying to change pixel format...
Switched to a 32 bpp 8,8,8 frame buffer
[    2.115894] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
Starting udev
[    2.333494] udevd[96]: starting version 3.2.8
[    2.402560] udevd[97]: starting eudev-3.2.8
[    2.621089] input: gpio-decoder as /devices/platform/gpio-decoder/input/input0
[    2.868453] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[    2.894097] wkup_m3_ipc 44e11324.wkup_m3_ipc: could not get rproc handle
[    2.911489] remoteproc remoteproc0: wkup_m3 is available
[    2.922217] omap_rtc 44e3e000.rtc: already running
[    2.970421] remoteproc remoteproc0: powering up wkup_m3
[    2.985189] omap_rtc 44e3e000.rtc: registered as rtc0
[    3.055633] remoteproc remoteproc0: Booting fw image am335x-pm-firmware.elf, size 243428
[    3.110526] remoteproc remoteproc0: remote processor wkup_m3 is now up
[    3.110549] wkup_m3_ipc 44e11324.wkup_m3_ipc: CM3 Firmware Version = 0x192
[    3.424039] omap-sham 53100000.sham: hw accel on OMAP rev 4.3
[    3.482950] omap-aes 53500000.aes: OMAP AES hw accel rev: 3.2
[    3.512064] PM: bootloader does not support rtc-only!
[    3.550246] omap-aes 53500000.aes: will run requests pump with realtime priority
[    3.640167] davinci_mdio 4a332400.mdio: davinci mdio revision 1.6, bus freq 1000000
[    3.647887] libphy: 4a332400.mdio: probed
[    3.758876] davinci_mdio 4a332400.mdio: phy[1]: device 4a332400.mdio:01, driver TI TLK10X 10/100 Mbps PHY
[    3.800795] davinci_mdio 4a332400.mdio: phy[3]: device 4a332400.mdio:03, driver TI TLK10X 10/100 Mbps PHY
[    3.849940] remoteproc remoteproc1: 4a334000.pru is available
[    3.884737] pru-rproc 4a334000.pru: PRU rproc node /ocp/interconnect@4a000000/segment@0/target-module@300000/pruss@0/pru@34000 probed successfully
[    3.943088] remoteproc remoteproc2: 4a338000.pru is available
[    3.948978] pru-rproc 4a338000.pru: PRU rproc node /ocp/interconnect@4a000000/segment@0/target-module@300000/pruss@0/pru@38000 probed successfully
[    4.252304] prueth pruss_eth: TI PRU ethernet driver initialized: dual EMAC mode
[    5.894613] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
sysctl: cannot stat /proc/sys/net/ipv4/tcp_syncookies: No such file or directory
INIT: Entering runlevel: 5
Configuring network interfaces... [    7.099836] remoteproc remoteproc1: powering up 4a334000.pru
[    7.108129] remoteproc remoteproc1: Booting fw image ti-pruss/am335x-pru0-prueth-fw.elf, size 7796
[    7.117584] pru-rproc 4a334000.pru: configured system_events[63-0] = 00000600,04500000
[    7.125649] pru-rproc 4a334000.pru: configured intr_channels = 0x000000d5 host_intr = 0x00000155
[    7.134522] remoteproc remoteproc1: remote processor 4a334000.pru is now up
[    7.141881] net eth0: started
udhcpc: started, v1.31.0
udhcpc: sending discover
[    9.201172] prueth pruss_eth eth0: Link is Up - 100Mbps/Full - flow control off
[    9.208675] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
udhcpc: sending discover
udhcpc: sending discover
udhcpc: no lease, forking to background
done.
Starting random number generator daemon
Initializing available sources

Initializing entropy source hwrng

Initializing AES buffer

Enabling JITTER rng support

Initializing entropy source jitter

.
Starting OpenBSD Secure Shell server: sshd
done.
Starting rpcbind daemon...done.
starting statd: done
Starting atd: OK
exportfs: can't open /etc/exports for reading
NFS daemon support not enabled in kernel
Starting system log daemon...0
Starting kernel log daemon...0
Starting crond: OK
umount: /mnt/.psplash: not mounted.

Poky (Yocto Project Reference Distro) 3.0.2 am335x-evm ttyS3

am335x-evm login: root
root@am335x-evm:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether c4:f3:12:fb:8a:34 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::c6f3:12ff:fefb:8a34/64 scope link 
       valid_lft forever preferred_lft forever
4: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether c4:f3:12:fb:8a:36 brd ff:ff:ff:ff:ff:ff
root@am335x-evm:~# [   69.120217] ------------[ cut here ]------------
[   69.124964] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:447 dev_watchdog+0x2c8/0x2cc
[   69.133327] NETDEV WATCHDOG: eth0 (prueth): transmit queue 0 timed out
[   69.139894] Modules linked in: ti_am335x_adc prueth pru_rproc irq_pruss_intc pm33xx pruss omap_aes_driver crypto_engine ti_emif_sram omap_crypto libaes omap_sham gpio_pisosr rtc_omap wkup_m3_rproc wkup_m3_ipc
 omap_wdt ti_am335x_tscadc gpio_tpic2810 gpio_decoder input_polldev
[   69.164459] CPU: 0 PID: 0 Comm: swapper Not tainted 5.4.28-g6f3bf13d53 #1
[   69.171285] Hardware name: Generic AM33XX (Flattened Device Tree)
[   69.177463] [<c010ed00>] (unwind_backtrace) from [<c010b464>] (show_stack+0x10/0x14)
[   69.185283] [<c010b464>] (show_stack) from [<c0129734>] (__warn+0xbc/0xd4)
[   69.192220] [<c0129734>] (__warn) from [<c01297e4>] (warn_slowpath_fmt+0x98/0xc4)
[   69.199765] [<c01297e4>] (warn_slowpath_fmt) from [<c082e4d8>] (dev_watchdog+0x2c8/0x2cc)
[   69.208025] [<c082e4d8>] (dev_watchdog) from [<c018372c>] (call_timer_fn.constprop.0+0x24/0x98)
[   69.216796] [<c018372c>] (call_timer_fn.constprop.0) from [<c0183c74>] (run_timer_softirq+0x4d4/0x554)
[   69.226177] [<c0183c74>] (run_timer_softirq) from [<c01022ac>] (__do_softirq+0xec/0x278)
[   69.234330] [<c01022ac>] (__do_softirq) from [<c012cd88>] (irq_exit+0xdc/0xe0)
[   69.241620] [<c012cd88>] (irq_exit) from [<c016b86c>] (__handle_domain_irq+0x58/0xa4)
[   69.249513] [<c016b86c>] (__handle_domain_irq) from [<c0101a8c>] (__irq_svc+0x6c/0xa8)
[   69.257478] Exception stack(0xc0f01f00 to 0xc0f01f48)
[   69.262582] 1f00: 00000000 00000010 05355555 c0f0e440 cf62e000 00000001 c0f3c7a8 17e022b4
[   69.270822] 1f20: 11553092 00000010 00000010 00000000 fffffff5 c0f01f50 c072b5e4 c072b5ec
[   69.279049] 1f40: 200d0013 ffffffff
[   69.282589] [<c0101a8c>] (__irq_svc) from [<c072b5ec>] (cpuidle_enter_state+0x84/0x3a0)
[   69.290658] [<c072b5ec>] (cpuidle_enter_state) from [<c072b944>] (cpuidle_enter+0x28/0x38)
[   69.298998] [<c072b944>] (cpuidle_enter) from [<c0152d6c>] (do_idle+0x180/0x22c)
[   69.306457] [<c0152d6c>] (do_idle) from [<c0153100>] (cpu_startup_entry+0xc/0x14)
[   69.314016] [<c0153100>] (cpu_startup_entry) from [<c0e00d90>] (start_kernel+0x440/0x46c)
[   69.322244] ---[ end trace 1fdb876737f18b44 ]---
[   69.326916] prueth pruss_eth eth0: xmit timeout
[   74.080247] prueth pruss_eth eth0: xmit timeout
[   79.120249] prueth pruss_eth eth0: xmit timeout
[   84.080282] prueth pruss_eth eth0: xmit timeout
[   89.120243] prueth pruss_eth eth0: xmit timeout
[   94.080250] prueth pruss_eth eth0: xmit timeout
[   99.120248] prueth pruss_eth eth0: xmit timeout