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Differences between AM335x starter kit and beaglebone

Giuseppe Zangari
Intellectual 610 points

Hi to all,

we are starting to develope a system based on a Sitara AM335x.

For prototiping we are using a beaglebone and a AM335x starter kit.

The starter kit runs Arago Linux, the bbone Angstrom+gnome (we need the display).

1) what distro is better and why?

2)What should we use to have short developing time ant trimming time when we'll have our custom board?

This morning I tried to boot the beaglebone SD card in the starter kit. Nothing happened, it stops running  after the boot decompression.

When I tried to boot the arago linux in the beaglebone, it seems to boot very well but I do not have control of the PIN_MUX and the leds don't work (heartbeat).

From the TI documentation it seems that to build for the starter kit and for the beaglebone is the same thing.

Thank you

Regards

Giuseppe

  • 0
    TI__Mastermind 25235 points

    Hi Giuseppe,

    Regarding your questions: The Arago Linux distribution is the officially supported distribution from TI, which means that there is better support for it.

    Regarding your issue: Please provide logs of what is happening when you try to boot.

    Best regards,
    Miroslav
  • 0 in reply to Miroslav Kiradzhiyski XID
    Intellectual 610 points

    Hi Miroslav

    thank you for the answer.

    I attach 3  files.

    - angstrom.txt is what happen at the boot of a beaglebone sd card (that works in beaglebone) booted in the starter kit am335x

    -ubuntu.txt is what happen at the boot of a ubuntu-armd card (that works in beaglebone) booted in the starter kit am335x

    -uEnv.txt of the ubuntu txt

    Every help is well accepted!

    We are trying to build a kernel that works in the starter kit AND in the beaglebone, and learning how to trick differences in the process.

    :-)

    Fullscreen 3108.angstrom.txt Download 
    U-Boot SPL 2011.09-00000-gf63b270-dirty (Apr 24 2012 - 09:51:01)
Texas Instruments Revision detection unimplemented
Incorrect magic number in EEPROM
read_eeprom() failure
    Fullscreen 4721.ubuntu.txt Download 
    U-Boot SPL 2013.01.01-dirty (Feb 20 2013 - 11:43:00)
OMAP SD/MMC: 0
reading u-boot.img
reading u-boot.img


U-Boot 2013.01.01-dirty (Feb 20 2013 - 11:43:00)

I2C:   ready
DRAM:  256 MiB
WARNING: Caches not enabled
NAND:  No NAND device found!!!
0 MiB
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Warning - readenv() failed, using default environment

musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0 
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Peripheral mode controller at 47401000 using PIO, IRQ 0
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0 
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Host mode controller at 47401800 using PIO, IRQ 0
Net:   cpsw, usb_ether
Hit any key to stop autoboot:  1 [08][08][08] 0 
mmc0 is current device
SD/MMC found on device 0
reading uEnv.txt
630 bytes read in 3 ms (205.1 KiB/s)
Loaded environment from uEnv.txt
Importing environment from mmc ...
reading zImage
2727672 bytes read in 311 ms (8.4 MiB/s)
Booting from mmc ...

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.2.33-psp26.1 (daniele@ubuntu) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #1 Wed Feb 20 12:26:33 CET 2013
[    0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine: am335xevm
[    0.000000] Memory policy: ECC disabled, Data cache writeback
[    0.000000] AM335X ES1.0 (sgx neon )
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
[    0.000000] Kernel command line: console=ttyO0,115200n8 root=/dev/mmcblk0p2 ro rootfstype=ext4 rootwait fixrtc
[    0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[    0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] allocated 1048576 bytes of page_cgroup
[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[    0.000000] Memory: 256MB = 256MB total
[    0.000000] Memory: 251024k/251024k available, 11120k reserved, 0K highmem
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
[    0.000000]     vmalloc : 0xd0800000 - 0xff000000   ( 744 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xd0000000   ( 256 MB)
[    0.000000]     modules : 0xbf000000 - 0xc0000000   (  16 MB)
[    0.000000]       .text : 0xc0008000 - 0xc06d4000   (6960 kB)
[    0.000000]       .init : 0xc06d4000 - 0xc0713000   ( 252 kB)
[    0.000000]       .data : 0xc0714000 - 0xc075dbe0   ( 295 kB)
[    0.000000]        .bss : 0xc075dc04 - 0xc079fa1c   ( 264 kB)
[    0.000000] NR_IRQS:410 nr_irqs:410 410
[    0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
[    0.000000] Total of 128 interrupts on 1 active controller
[    0.000000] OMAP clockevent source: GPTIMER2 at 24000000 Hz
[    0.000000] OMAP clocksource: GPTIMER1 at 32768 Hz
[    0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms
[    0.000000] Console: colour dummy device 80x30
[    0.000183] Calibrating delay loop... 548.86 BogoMIPS (lpj=2744320)
[    0.048339] pid_max: default: 32768 minimum: 301
[    0.048492] Security Framework initialized
[    0.048553] AppArmor: AppArmor initialized
[    0.048614] Mount-cache hash table entries: 512
[    0.049072] Initializing cgroup subsys cpuacct
[    0.049102] Initializing cgroup subsys memory
[    0.049163] Initializing cgroup subsys devices
[    0.049163] Initializing cgroup subsys freezer
[    0.049194] Initializing cgroup subsys blkio
[    0.049224] Initializing cgroup subsys perf_event
[    0.049316] CPU: Testing write buffer coherency: ok
[    0.050384] devtmpfs: initialized
[    0.071014] omap_hwmod: gfx: failed to hardreset
[    0.087738] omap_hwmod: pruss: failed to hardreset
[    0.088623] print_constraints: dummy: 
[    0.088897] NET: Registered protocol family 16
[    0.090179] OMAP GPIO hardware version 0.1
[    0.091461] omap_mux_init: Add partition: #1: core, flags: 0
[    0.092956]  omap_i2c.1: alias fck already exists
[    0.093414] hw-breakpoint: debug architecture 0x4 unsupported.
[    0.093627]  omap2_mcspi.1: alias fck already exists
[    0.093750]  omap2_mcspi.2: alias fck already exists
[    0.093841] omap_init_sham: platform not supported
[    0.093872] omap_init_aes: platform not supported
[    0.093963]  edma.0: alias fck already exists
[    0.093994]  edma.0: alias fck already exists
[    0.093994]  edma.0: alias fck already exists
[    0.094085] cape: pcm register
[    0.104034] bio: create slab <bio-0> at 0
[    0.105621] SCSI subsystem initialized
[    0.106628] usbcore: registered new interface driver usbfs
[    0.106781] usbcore: registered new interface driver hub
[    0.106994] usbcore: registered new device driver usb
[    0.107330] registerd cppi-dma Intr @ IRQ 17
[    0.107330] Cppi41 Init Done Qmgr-base(d083a000) dma-base(d0838000)
[    0.107360] Cppi41 Init Done
[    0.107391] musb-ti81xx musb-ti81xx: musb0, board_mode=0x13, plat_mode=0x3
[    0.107543] musb-ti81xx musb-ti81xx: musb1, board_mode=0x13, plat_mode=0x1
[    0.108123] omap_i2c omap_i2c.1: bus 1 rev2.4.0 at 100 kHz
[    0.109497] tps65910 1-002d: JTAGREVNUM 0x0
[    0.111724] print_constraints: VRTC: 
[    0.113128] print_constraints: VIO: at 1500 mV 
[    0.115386] print_constraints: VDD1: 600 <--> 1500 mV at 1200 mV normal 
[    0.117645] print_constraints: VDD2: 600 <--> 1500 mV at 1100 mV normal 
[    0.118591] print_constraints: VDD3: 5000 mV 
[    0.119934] print_constraints: VDIG1: at 1800 mV 
[    0.121307] print_constraints: VDIG2: at 1800 mV 
[    0.122680] print_constraints: VPLL: at 1800 mV 
[    0.124053] print_constraints: VDAC: at 1800 mV 
[    0.125396] print_constraints: VAUX1: at 1800 mV 
[    0.126770] print_constraints: VAUX2: at 3300 mV 
[    0.128143] print_constraints: VAUX33: at 3300 mV 
[    0.129516] print_constraints: VMMC: at 3300 mV 
[    0.129852] tps65910 1-002d: No interrupt support, no core IRQ
[    0.130493] Advanced Linux Sound Architecture Driver Version 1.0.24.
[    0.131164] NetLabel: Initializing
[    0.131164] NetLabel:  domain hash size = 128
[    0.131195] NetLabel:  protocols = UNLABELED CIPSOv4
[    0.131256] NetLabel:  unlabeled traffic allowed by default
[    0.131317] Switching to clocksource gp timer
[    0.131561] AppArmor: AppArmor Filesystem Enabled
[    0.144012] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host)
[    0.144226] musb-hdrc musb-hdrc.0: dma type: dma-cppi41
[    0.144409] MUSB0 controller's USBSS revision = 4ea20800
[    0.145263] musb-hdrc musb-hdrc.0: USB OTG mode controller at d081c000 using DMA, IRQ 18
[    0.145599] musb-hdrc musb-hdrc.1: dma type: dma-cppi41
[    0.145782] MUSB1 controller's USBSS revision = 4ea20800
[    0.146240] musb-hdrc musb-hdrc.1: MUSB HDRC host driver
[    0.146362] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus number 1
[    0.146514] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    0.146514] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    0.146545] usb usb1: Product: MUSB HDRC host driver
[    0.146575] usb usb1: Manufacturer: Linux 3.2.33-psp26.1 musb-hcd
[    0.146575] usb usb1: SerialNumber: musb-hdrc.1
[    0.147369] hub 1-0:1.0: USB hub found
[    0.147399] hub 1-0:1.0: 1 port detected
[    0.147949] musb-hdrc musb-hdrc.1: USB Host mode controller at d081e800 using DMA, IRQ 19
[    0.148468] NET: Registered protocol family 2
[    0.148834] IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.149810] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[    0.150024] TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
[    0.150146] TCP: Hash tables configured (established 8192 bind 8192)
[    0.150177] TCP reno registered
[    0.150177] UDP hash table entries: 256 (order: 0, 4096 bytes)
[    0.150207] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[    0.150604] NET: Registered protocol family 1
[    0.151031] RPC: Registered named UNIX socket transport module.
[    0.151062] RPC: Registered udp transport module.
[    0.151062] RPC: Registered tcp transport module.
[    0.151092] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.153442] audit: initializing netlink socket (disabled)
[    0.153503] type=2000 audit(0.150:1): initialized
[    0.354064] VFS: Disk quotas dquot_6.5.2
[    0.354187] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.356018] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.356079] fuse init (API version 7.17)
[    0.356842] Btrfs loaded
[    0.356872] msgmni has been set to 490
[    0.358245] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[    0.358398] io scheduler noop registered
[    0.358398] io scheduler deadline registered
[    0.358489] io scheduler cfq registered (default)
[    0.359802] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    0.361145] omap_uart.0: ttyO0 at MMIO 0x44e09000 (irq = 72) is a OMAP UART0
[    1.135833] console [ttyO0] enabled
[    1.140197] omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1
[    1.148101] omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2
[    1.155944] omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3
[    1.163818] omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4
[    1.171600] omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5
[    1.187957] brd: module loaded
[    1.195587] loop: module loaded
[    1.199005] at24 1-0051: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
[    1.261962] No daughter card found
[    1.265594] at24 1-0050: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
[    1.280914] Board config.name: A335X_SK1.2B30124P190929SKU#00FFFFFFFFFFFFFFFFFFFFFFFFFF
[    1.289367] Board name: A335X_SK
[    1.292785] Board version: 1.2B
[    1.296112] SKU: SKU#00
[    1.298675] The board is a AM335x Low Cost EVM.
[    1.304412] omap-gpmc omap-gpmc: GPMC revision 6.0
[    1.309478] Registering NAND on CS0
[    1.314910] CAN device driver interface
[    1.318969] CAN bus driver for Bosch D_CAN controller 1.0
[    1.371978] davinci_mdio davinci_mdio.0: davinci mdio revision 1.6
[    1.378509] davinci_mdio davinci_mdio.0: detected phy mask fffffffc
[    1.386810] davinci_mdio.0: probed
[    1.390411] davinci_mdio davinci_mdio.0: phy[0]: device 0:00, driver unknown
[    1.397888] davinci_mdio davinci_mdio.0: phy[1]: device 0:01, driver unknown
[    1.405426] PPP generic driver version 2.4.2
[    1.410247] PPP BSD Compression module registered
[    1.415252] PPP Deflate Compression module registered
[    1.420684] usbcore: registered new interface driver zd1201
[    1.426696] usbcore: registered new interface driver cdc_ether
[    1.432952] usbcore: registered new interface driver rndis_host
[    1.439239] cdc_ncm: 04-Aug-2011
[    1.442749] usbcore: registered new interface driver cdc_ncm
[    1.448883] usbcore: registered new interface driver cdc_acm
[    1.454895] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[    1.463439] usbcore: registered new interface driver cdc_wdm
[    1.469421] Initializing USB Mass Storage driver...
[    1.474700] usbcore: registered new interface driver usb-storage
[    1.481048] USB Mass Storage support registered.
[    1.486053] usbcore: registered new interface driver libusual
[    1.492340] usbcore: registered new interface driver usbserial
[    1.498535] USB Serial support registered for generic
[    1.503967] usbcore: registered new interface driver usbserial_generic
[    1.510864] usbserial: USB Serial Driver core
[    1.515594]  gadget: using random self ethernet address
[    1.521118]  gadget: using random host ethernet address
[    1.527770] usb0: MAC 6e:c6:19:6a:95:0b
[    1.531829] usb0: HOST MAC 3e:ac:16:c8:12:26
[    1.536437]  gadget: Ethernet Gadget, version: Memorial Day 2008
[    1.542816]  gadget: g_ether ready
[    1.546417] musb-hdrc musb-hdrc.0: MUSB HDRC host driver
[    1.552124] musb-hdrc musb-hdrc.0: new USB bus registered, assigned bus number 2
[    1.560058] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[    1.567260] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.574890] usb usb2: Product: MUSB HDRC host driver
[    1.580139] usb usb2: Manufacturer: Linux 3.2.33-psp26.1 musb-hcd
[    1.586578] usb usb2: SerialNumber: musb-hdrc.0
[    1.592224] hub 2-0:1.0: USB hub found
[    1.596160] hub 2-0:1.0: 1 port detected
[    1.601318] mousedev: PS/2 mouse device common for all mice
[    1.608337] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[    1.615112] omap_rtc: already running
[    1.619049] i2c /dev entries driver
[    1.623016] Linux media interface: v0.10
[    1.627319] lirc_dev: IR Remote Control driver registered, major 249 
[    1.634124] Linux video capture interface: v2.00
[    1.639312] Driver for 1-wire Dallas network protocol.
[    1.645812] OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[    1.656768] cpuidle: using governor ladder
[    1.661224] cpuidle: using governor menu
[    1.666076] usbcore: registered new interface driver usbhid
[    1.671905] usbhid: USB HID core driver
[    1.676849] usbcore: registered new interface driver snd-usb-6fire
[    1.683898] ALSA device list:
[    1.686981]   No soundcards found.
[    1.691772] TCP cubic registered
[    1.695404] NET: Registered protocol family 10
[    1.703521] NET: Registered protocol family 17
[    1.708374] can: controller area network core (rev 20090105 abi 8)
[    1.714996] NET: Registered protocol family 29
[    1.719635] can: raw protocol (rev 20090105)
[    1.724151] Registering the dns_resolver key type
[    1.729125] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[    1.737152] ThumbEE CPU extension supported.
[    1.741668] mux: Failed to setup hwmod io irq -22
[    1.747344] Power Management for AM33XX family
[    1.756774] registered taskstats version 1
[    1.761383] Detected MACID=d4:94:a1:87:dd:3b
[    1.768798] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:02:27 UTC (946684947)
[    1.778381] Waiting for root device /dev/mmcblk0p2...
[    6.072631] Unable to handle kernel paging request at virtual address ffff8d17
[    6.080169] pgd = c0004000
[    6.082977] [ffff8d17] *pgd=8fffe821, *pte=00000000, *ppte=00000000
[    6.089538] Internal error: Oops: 801 [#1]
[    6.093811] Modules linked in:
[    6.097015] CPU: 0    Not tainted  (3.2.33-psp26.1 #1)
[    6.102386] PC is at get_next_timer_interrupt+0x4/0x23c
[    6.107849] LR is at tick_nohz_stop_sched_tick+0x324/0x35c
[    6.113586] pc : [<c004403c>]    lr : [<c005ee80>]    psr: 60000093
[    6.113586] sp : c0715f38  ip : c0715f38  fp : c0715f94
[    6.125549] r10: 00000000  r9 : c071c700  r8 : ffff8d2f
[    6.131011] r7 : c0738b68  r6 : c0781f58  r5 : c07820c0  r4 : 00000162
[    6.137817] r3 : c07378f0  r2 : 69ccd980  r1 : 00002e6a  r0 : ffff8d2f
[    6.144653] Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[    6.152374] Control: 10c5387d  Table: 80004019  DAC: 00000015
[    6.158355] Process swapper (pid: 0, stack limit = 0xc07142f0)
[    6.164459] Stack: (0xc0715f38 to 0xc0716000)
[    6.169006] 5f20:                                                       00000000 c001eda8
[    6.177520] 5f40: 20000013 00000001 69ccd980 40000013 69cd6ce3 00000001 c8300000 00002e6a
[    6.186065] 5f60: 69cd6ce3 00000001 c071a5bc c0714000 c075dd04 c071a5c8 c071a5bc 80004059
[    6.194610] 5f80: 413fc082 00000000 c0715fb4 c0715f98 c000e0e4 c005eb68 00000000 c07161a4
[    6.203155] 5fa0: c0705e0c c09a0900 c0715fc4 c0715fb8 c04f55a4 c000e0c4 c0715ff4 c0715fc8
[    6.211700] 5fc0: c06d4798 c04f5550 c06d41a8 00000000 00000000 c0705e0c 00000000 10c53c7d
[    6.220245] 5fe0: c0716084 c0705e08 00000000 c0715ff8 80008040 c06d4504 00000000 00000000
[    6.228759] Backtrace: 
[    6.231323] [<c005eb5c>] (tick_nohz_stop_sched_tick+0x0/0x35c) from [<c000e0e4>] (cpu_idle+0x2c/0x9c)
[    6.240966] [<c000e0b8>] (cpu_idle+0x0/0x9c) from [<c04f55a4>] (rest_init+0x60/0x78)
[    6.249053]  r6:c09a0900 r5:c0705e0c r4:c07161a4 r3:00000000
[    6.254974] [<c04f5544>] (rest_init+0x0/0x78) from [<c06d4798>] (start_kernel+0x2a0/0x2f8)
[    6.263610] [<c06d44f8>] (start_kernel+0x0/0x2f8) from [<80008040>] (0x80008040)
[    6.271331]  r6:c0705e08 r5:c0716084 r4:10c53c7d
[    6.276184] Code: b912cce9 f88a6501 16526530 1f42a6bd (0808a694) 
[    6.282592] ---[ end trace 87eb690f9cbaa350 ]---
[    6.287414] Kernel panic - not syncing: Attempted to kill the idle task!
[    6.294403] Backtrace: 
[    6.296997] [<c0010908>] (dump_backtrace+0x0/0x110) from [<c05028dc>] (dump_stack+0x18/0x1c)
[    6.305816]  r6:00000001 r5:0000000b r4:c075fee8 r3:c07378d0
[    6.311737] [<c05028c4>] (dump_stack+0x0/0x1c) from [<c050301c>] (panic+0x5c/0x190)
[    6.319763] [<c0502fc0>] (panic+0x0/0x190) from [<c003c268>] (do_exit+0xa8/0x624)
[    6.327606]  r3:c0714000 r2:00000000 r1:00000000 r0:c06412d5
[    6.333526]  r7:c004403e
[    6.336181] [<c003c1c0>] (do_exit+0x0/0x624) from [<c0010d94>] (die+0x2c8/0x304)
[    6.343902]  r7:c004403e
[    6.346557] [<c0010acc>] (die+0x0/0x304) from [<c050293c>] (__do_kernel_fault.part.3+0x5c/0x7c)
[    6.355682] [<c05028e0>] (__do_kernel_fault.part.3+0x0/0x7c) from [<c0013b4c>] (do_bad_area+0x7c/0x88)
[    6.365386]  r7:c073b708 r3:c0715ef0
[    6.369140] [<c0013ad0>] (do_bad_area+0x0/0x88) from [<c0015ca4>] (do_alignment+0x56c/0x6e8)
[    6.377960]  r7:c0715ef0 r6:ffff8d17 r5:00000000 r4:0808a694
[    6.383911] [<c0015738>] (do_alignment+0x0/0x6e8) from [<c0008380>] (do_DataAbort+0x3c/0xa0)
[    6.392730] [<c0008344>] (do_DataAbort+0x0/0xa0) from [<c050a358>] (__dabt_svc+0x38/0x60)
[    6.401275] Exception stack(0xc0715ef0 to 0xc0715f38)
[    6.406555] 5ee0:                                     ffff8d2f 00002e6a 69ccd980 c07378f0
[    6.415130] 5f00: 00000162 c07820c0 c0781f58 c0738b68 ffff8d2f c071c700 00000000 c0715f94
[    6.423675] 5f20: c0715f38 c0715f38 c005ee80 c004403c 60000093 ffffffff
[    6.430572]  r7:c0715f24 r6:ffffffff r5:60000093 r4:c004403c
[    6.436523] [<c005eb5c>] (tick_nohz_stop_sched_tick+0x0/0x35c) from [<c000e0e4>] (cpu_idle+0x2c/0x9c)
[    6.446197] [<c000e0b8>] (cpu_idle+0x0/0x9c) from [<c04f55a4>] (rest_init+0x60/0x78)
[    6.454284]  r6:c09a0900 r5:c0705e0c r4:c07161a4 r3:00000000
[    6.460205] [<c04f5544>] (rest_init+0x0/0x78) from [<c06d4798>] (start_kernel+0x2a0/0x2f8)
[    6.468872] [<c06d44f8>] (start_kernel+0x0/0x2f8) from [<80008040>] (0x80008040)
[    6.476593]  r6:c0705e08 r5:c0716084 r4:10c53c7d
    Fullscreen 8664.uEnv.txt Download 
    console=ttyO0,115200n8
 
mmcroot=/dev/mmcblk0p2 ro
mmcrootfstype=ext4 rootwait fixrtc
 
mmc_load_image=fatload mmc 0:1 0x80300000 zImage
mmc_load_initrd=fatload mmc 0:1 0x81600000 initrd.img; setenv initrd_size ${filesize}
 
mmcargs=setenv bootargs console=${console} root=${mmcroot} rootfstype=${mmcrootfstype}
 
#Just: zImage
xyz_mmcboot=run mmc_load_image; echo Booting from mmc ...
loaduimage=run xyz_mmcboot; run mmcargs; bootz 0x80300000
 
#zImage and initrd
#xyz_mmcboot=run mmc_load_image; run mmc_load_initrd; echo Booting from mmc ...
#loaduimage=run xyz_mmcboot; run mmcargs; bootz 0x80300000 0x81600000:${initrd_size}