Linux: Unable to use UART in DSP core with interrupts

-Boot SPL 2017.01-00319-g9e3097f-dirty (Sep 15 2017 - 14:25:12)
Trying to boot from NAND


U-Boot 2017.01-00319-g9e3097f-dirty (Sep 15 2017 - 14:25:12 +0100)

I2C:   ready
DRAM:  128 MiB
WARNING: Caches not enabled
NAND:  512 MiB
MMC:   davinci: 0
In:    serial
Out:   serial
Err:   serial
Invalid MAC address read.
Net:   DaVinci-EMAC
Warning: DaVinci-EMAC (eth0) using random MAC address - 22:c8:4b:1d:2c:a8

Hit any key to stop autoboot:  0
switch to partitions #0, OK
mmc0 is current device
SD/MMC found on device 0
reading boot.scr
** Unable to read file boot.scr **
reading uEnv.txt
** Unable to read file uEnv.txt **
switch to partitions #0, OK
mmc0 is current device
SD/MMC found on device 0
2377864 bytes read in 2719 ms (853.5 KiB/s)
11901 bytes read in 54 ms (214.8 KiB/s)
## Flattened Device Tree blob at c0600000
   Booting using the fdt blob at 0xc0600000
   Loading Device Tree to c7e23000, end c7e28e7c ... OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
Booting Linux on physical CPU 0x0
Linux version 4.9.28-geed43d1050 (root@ubuntu) (gcc version 6.2.1 20161016 (Linaro GCC 6.2-2016.11) ) #2 PREEMPT Fri Apr 13 15:53:27 BST 2018
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
CPU: VIVT data cache, VIVT instruction cache
OF: fdt:Machine model: DA850/AM1808/OMAP-L138 LCDK
Reserved memory: created CMA memory pool at 0xc3000000, size 32 MiB
OF: reserved mem: initialized node dsp_cma@c3000000, compatible id shared-dma-pool
cma: Reserved 16 MiB at 0xc6c00000
Memory policy: Data cache writethrough
DaVinci da850/omap-l138/am18x variant 0x1
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 32480
Kernel command line: console=ttyS2,115200n8 root=PARTUUID=38cb5733-02 rw rootfstype=ext4 rootwait
PID hash table entries: 512 (order: -1, 2048 bytes)
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 73732K/131072K available (4554K kernel code, 309K rwdata, 1452K rodata, 228K init, 162K bss, 8188K reserved, 49152K cma-reserved)
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
    vmalloc : 0xc8800000 - 0xff800000   ( 880 MB)
    lowmem  : 0xc0000000 - 0xc8000000   ( 128 MB)
    modules : 0xbf000000 - 0xc0000000   (  16 MB)
      .text : 0xc0008000 - 0xc047ae98   (4556 kB)
      .init : 0xc05e7000 - 0xc0620000   ( 228 kB)
      .data : 0xc0620000 - 0xc066d628   ( 310 kB)
       .bss : 0xc066d628 - 0xc0696170   ( 163 kB)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptible hierarchical RCU implementation.
        Build-time adjustment of leaf fanout to 32.
NR_IRQS:245
clocksource: timer0_1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
Console: colour dummy device 80x30
Calibrating delay loop... 227.32 BogoMIPS (lpj=1136640)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
CPU: Testing write buffer coherency: ok
Setting up static identity map for 0xc0008400 - 0xc0008458
devtmpfs: initialized
VFP support v0.3: not present
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 256 (order: -1, 3072 bytes)
pinctrl core: initialized pinctrl subsystem
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
cpuidle: using governor ladder
cpuidle: using governor menu
mux: initialized RTC_ALARM
mux: Setting register RTC_ALARM
mux:    PINMUX0 (0x00000000) = 0x44080000 -> 0x24080000
No ATAGs?
edma 1c00000.edma: memcpy is disabled
edma 1c00000.edma: TI EDMA DMA engine driver
edma 1e30000.edma: memcpy is disabled
edma 1e30000.edma: TI EDMA DMA engine driver
i2c_davinci i2c_davinci.1: could not find pctldev for node /soc@1c00000/pinmux@14120/pinmux_i2c0_pins, deferring probe
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
PTP clock support registered
clocksource: Switched to clocksource timer0_1
NET: Registered protocol family 2
TCP established hash table entries: 1024 (order: 0, 4096 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
workingset: timestamp_bits=14 max_order=15 bucket_order=1
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)
io scheduler noop registered (default)
pinctrl-single 1c14120.pinmux: please update dts to use #pinctrl-cells = <2>
pinctrl-single 1c14120.pinmux: 160 pins at pa fec14120 size 80
Serial: 8250/16550 driver, 10 ports, IRQ sharing disabled
console [ttyS2] disabled
serial8250.2: ttyS2 at MMIO 0x1d0d000 (irq = 61, base_baud = 8250000) is a TI DA8xx/66AK2x
console [ttyS2] enabled
brd: module loaded
libphy: Fixed MDIO Bus: probed
davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
davinci_mdio davinci_mdio.0: detected phy mask fffffffd
libphy: davinci_mdio.0: probed
davinci_mdio davinci_mdio.0: phy[1]: device davinci_mdio.0:01, driver NatSemi DP83640
i2c /dev entries driver
davinci_mmc da830-mmc.0: Got CD GPIO
davinci_mmc da830-mmc.0: Using DMA, 4-bit mode
NET: Registered protocol family 10
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered protocol family 17
console [netcon0] enabled
netconsole: network logging started
davinci_emac davinci_emac.1: incompatible machine/device type for reading mac address
davinci_emac davinci_emac.1: using random MAC addr: 96:1f:c3:0c:67:0d
mmc0: host does not support reading read-only switch, assuming write-enable
input: gpio-keys as /devices/platform/gpio-keys/input/input0
mmc0: new high speed SDHC card at address 0007
mmcblk0: mmc0:0007 SD32G 29.8 GiB
 mmcblk0: p1 p2 p3
hctosys: unable to open rtc device (rtc0)
random: fast init done
EXT4-fs (mmcblk0p2): recovery complete
EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) on device 179:2.
devtmpfs: mounted
Freeing unused kernel memory: 228K (c05e7000 - c0620000)
This architecture does not have kernel memory protection.
systemd[1]: System time before build time, advancing clock.
systemd[1]: systemd 230 running in system mode. (+PAM -AUDIT -SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS +ACL +XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -IDN)
systemd[1]: Detected architecture arm.

Welcome to Arago 2017.05!

systemd[1]: Set hostname to <omapl138-lcdk>.
systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[  OK  ] Started Forward Password Requests to Wall Directory Watch.
systemd[1]: Reached target Swap.
[  OK  ] Reached target Swap.
systemd[1]: Created slice User and Session Slice.
[  OK  ] Created slice User and Session Slice.
systemd[1]: Listening on Journal Socket (/dev/log).
[  OK  ] Listening on Journal Socket (/dev/log).
systemd[1]: Reached target Remote File Systems.
[  OK  ] Reached target Remote File Systems.
systemd[1]: Listening on Network Service Netlink Socket.
[  OK  ] Listening on Network Service Netlink Socket.
systemd[1]: Listening on Journal Socket.
[  OK  ] Listening on Journal Socket.
[  OK  ] Listening on Syslog Socket.
[  OK  ] Listening on udev Control Socket.
[  OK  ] Started Dispatch Password Requests to Console Directory Watch.
[  OK  ] Reached target Paths.
[  OK  ] Listening on udev Kernel Socket.
[  OK  ] Listening on /dev/initctl Compatibility Named Pipe.
[  OK  ] Created slice System Slice.
[  OK  ] Created slice system-serial\x2dgetty.slice.
         Mounting POSIX Message Queue File System...
         Mounting Debug File System...
         Mounting Temporary Directory...
         Starting Journal Service...
         Starting Setup Virtual Console...
         Starting Create list of required st... nodes for the current kernel...
[  OK  ] Created slice system-getty.slice.
         Starting Load Kernel Modules...
[  OK  ] Reached target Slices.
         Starting Remount Root and Kernel File Systems...
cryptodev: loading out-of-tree module taints kernel.
cryptodev: driver 1.8 loaded.
[  OK  ] Mounted POSIXEXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
 Message Queue File System.
[  OK  ] Mounted Debug File System.
[  OK  ] Mounted Temporary Directory.
[  OK  ] Started Setup Virtual Console.
[  OK  ] Started Create list of required sta...ce nodes for the current kernel.
[  OK  ] Started Load Kernel Modules.
[  OK  ] Started Remount Root and Kernel File Systems.
[  OK  ] Started Journal Service.
         Starting Flush Journal to Persistent Storage...
         Starting udev Coldplug all Devices...
         Starting Apply Kernel Variables...
         Starting Create Static Device Nodes in /dev...
[  OK  ] Started Apply Kernel Variables.
[  OK  ] Started Create Static Device Nodes in /dev.
systemd-journald[59]: Received request to flush runtime journal from PID 1
         Starting udev Kernel Device Manager...
[  OK  ] Reached target Local File Systems (Pre).
         Mounting /var/volatile...
         Mounting /media/ram...
[  OK  ] Mounted /var/volatile.
[  OK  ] Mounted /media/ram.
[  OK  ] Started udev Kernel Device Manager.
[  OK  ] Started Flush Journal to Persistent Storage.
[  OK  ] Reached target Local File Systems.
         Starting Create Volatile Files and Directories...
         Starting Load/Save Random Seed...
[  OK  ] Started Load/Save Random Seed.
[  OK  ] Started Create Volatile Files and Directories.
         Starting Update UTMP about System Boot/Shutdown...
         Starting Network Time Synchronization...
[  OK  ] Started Update UTMP about System Boot/Shutdown.
[  OK  ] Started Network Time Synchronization.
         Starting Synchronize System and HW clocks...
[  OK  ] Reached target System Time Synchronized.
[FAILED] Failed to start Synchronize System and HW clocks.
See 'systemctl status sync-clocks.service' for details.
davinci-rproc davinci-rproc.0: assigned reserved memory node dsp_cma@c3000000
remoteproc remoteproc0: dsp is available
remoteproc remoteproc0: powering up dsp
remoteproc remoteproc0: Booting fw image rproc-dsp-fw, size 6300960
davinci-wdt davinci-wdt: heartbeat 60 sec
[remoteproc remoteproc0: registered virtio0 (type 7)
  OK  ] Started udev Coldplug all Devices.
remoteproc remoteproc0: remote processor dsp is now up
Using stored F280 System Settings
Linux video capture interface: v2.00
OF: /sound/simple-audio-card,cpu: could not get #sound-dai-cells for /soc@1c00000/mcasp@100000
0-0018 supply IOVDD not found, using dummy regulator
0-0018 supply DVDD not found, using dummy regulator
0-0018 supply AVDD not found, using dummy regulator
0-0018 supply DRVDD not found, using dummy regulator
asoc-simple-card sound: parse error -22
asoc-simple-card: probe of sound failed with error -22
tvp514x 0-005d: Write: retry ... 0
EXT4-fs (mmcblk0p3): mounting ext3 file system using the ext4 subsystem
EXT4-fs (mmcblk0p3): recovery complete
EXT4-fs (mmcblk0p3): mounted filesystem with ordered data mode. Opts: (null)
FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
virtio_rpmsg_bus virtio0: rpmsg host is online
virtio_rpmsg_bus virtio0: creating channel rpmsg-proto addr 0x3d
tvp514x 0-005d: Write: retry ... 1
tvp514x 0-005d: Write: retry ... 2
tvp514x 0-005d: Write: retry ... 3
tvp514x 0-005d: Write: retry ... 4
tvp514x 0-005d: Write: retry ... 5
tvp514x 0-005d: tvp514x 0-005d decoder driver registered !!
vpif_capture vpif_capture: registered sub device tvp514x-0
tvp514x 0-005d: Write: retry ... 0
tvp514x 0-005d: Write: retry ... 1
tvp514x 0-005d: Write: retry ... 2
nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xcc
nand: Micron MT29F4G16ABADAH4
nand: 512 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
Bad block table not found for chip 0
Bad block table not found for chip 0
Scanning device for bad blocks
tvp514x 0-005d: Write: retry ... 3
tvp514x 0-005d: Write: retry ... 4
tvp514x 0-005d: Write: retry ... 5
[  OK  ] Found device /dev/ttyS2.
NET: Registered protocol family 43
Bad block table written to 0x00001ffe0000, version 0x01
Bad block table written to 0x00001ffc0000, version 0x01
3 ofpart partitions found on MTD device davinci-nand.0
Creating 3 MTD partitions on "davinci-nand.0":
0x000000000000-0x000000020000 : "u-boot env"
0x000000020000-0x0000000a0000 : "u-boot"
0x0000000a0000-0x000020000000 : "free space"
davinci_nand davinci-nand.0: controller rev. 2.5
[  OK  ] Reached target System Initialization.
[  OK  ] Listening on D-Bus System Message Bus Socket.
[  OK  ] Listening on RPCbind Server Activation Socket.
[  OK  ] Started Daily Cleanup of Temporary Directories.
[  OK  ] Reached target Timers.
[  OK  ] Listening on dropbear.socket.
[  OK  ] Reached target Sockets.
[  OK  ] Reached target Basic System.
         Starting Ethernet Bridge Filtering Tables...
         Starting Print notice about GPLv3 packages...
[  OK  ] Started System Logging Service.
         Starting telnetd.service...
         Starting tiipclad-daemon.service...
         Starting Login Service...
[  OK  ] Started System Logger Daemon.
[  OK  ] Started Kernel Logging Service.
[  OK  ] Started D-Bus System Message Bus.
         Starting Network Service...
[  OK  ] Started Ethernet Bridge Filtering Tables.
[  OK  ] Started telnetd.service.
[  OK  ] Started tiipclad-daemon.service.
         Starting thttpd.service...
[  OK  ] Started Login Service.
[  OK  ] Started Network Service.
[  OK  ] Reached target Network.
         Starting Network Name Resolution...
davinci_mdio davinci_mdio.0: resetting idled controller
NatSemi DP83640 davinci_mdio.0:01: attached PHY driver [NatSemi DP83640] (mii_bus:phy_addr=davinci_mdio.0:01, irq=-1)
         Starting Lightning Fast Webserver With Light SysIPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
tem Requirements...
         Starting Permit User Sessions...
         Starting Simple Network Management Protocol (SNMP) Daemon....
[  OK  ] Started Vsftpd ftp daemon.
[  OK  ] Started strongSwan IPsec IKEv1/IKEv2 daemon using ipsec.conf.
[  OK  ] Started thttpd.service.
[  OK  ] Started Lightning Fast Webserver With Light System Requirements.
[  OK  ] Started Permit User Sessions.
[  OK  ] Started Network Name Resolution.
[  OK  ] Started Serial Getty on ttyS2.
davinci_emac davinci_emac.1 eth0: Link is Up - 100Mbps/Full - flow control rx/tx
IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[  OK  ] Started Getty on tty1.
[  OK  ] Reached target Login Prompts.
         Starting rng-tools.service...
[  OK  ] Started rng-tools.service.
random: crng init done
         Starting SYSV: The kdump script provides the support:...
[FAILED] Failed to start SYSV: The kdump script provides the support:.
See 'systemctl status kdump.service' for details.
         Starting matrix-gui-2.0.service...
[FAILED] Failed to start matrix-gui-2.0.service.
See 'systemctl status matrix-gui-2.0.service' for details.
         Starting thermal-zone-init.service...

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

Arago Project http://arago-project.org omapl138-lcdk ttyS2

Arago 2017.05 omapl138-lcdk ttyS2

omapl138-lcdk login: *******************************