sun4i#printenv
baudrate=115200
boot_mmc=fatload mmc 0 0x43000000 script.bin && fatload mmc 0 0x48000000 ${kernel} && watchdog 0 && bootm 0x48000000
bootargs=console=ttyS0,115200 root=/dev/mmcblk0p2 rootwait loglevel=8 panic=10
bootcmd=if run loadbootenv; then echo Loaded environment from ${bootenv};env import -t ${scriptaddr} ${filesize};fi;if test -n ${uenvcmd}; then echo Running uenvcmd ...;run uenvcmd;fi;if run loadbootscr; then echo Jumping to ${bootscr};source ${scriptaddr};fi;run setargs boot_mmc;
bootdelay=0
bootenv=uEnv.txt
bootscr=boot.scr
console=ttyS0,115200
filesize=9C88
kernel=uImage
loadbootenv=fatload mmc 0 $scriptaddr ${bootenv} || ext2load mmc 0 $scriptaddr ${bootenv} || ext2load mmc 0 $scriptaddr boot/${bootenv}
loadbootscr=fatload mmc 0 $scriptaddr ${bootscr} || ext2load mmc 0 $scriptaddr ${bootscr} || ext2load mmc 0 $scriptaddr boot/${bootscr}
loglevel=8
panicarg=panic=10
root=/dev/mmcblk0p2 rootwait
scriptaddr=0x44000000
setargs=setenv bootargs console=${console} root=${root} loglevel=${loglevel} ${panicarg} ${extraargs}
stderr=serial
stdin=serial
stdout=serial

Environment size: 1125/131068 bytes










U-Boot 2012.10-04277-g7aa9f04-dirty (Apr 28 2013 - 10:20:24) Allwinner Technology

CPU:   SUNXI Family
Board: MarsBoard A10
I2C:   ready
DRAM:  1 GiB
MMC:   SUNXI SD/MMC: 0
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Hit any key to stop autoboot:  0
reading uEnv.txt

** Unable to read "uEnv.txt" from mmc 0:1 **
Loading file "uEnv.txt" from mmc device 0:1
Failed to mount ext2 filesystem...
** Bad ext2 partition or disk - mmc 0:1 **
ext2load - load binary file from a Ext2 filesystem

Usage:
ext2load <interface> <dev[:part]> [addr] [filename] [bytes]
    - load binary file 'filename' from 'dev' on 'interface'
      to address 'addr' from ext2 filesystem
Loading file "boot/uEnv.txt" from mmc device 0:1
Failed to mount ext2 filesystem...
** Bad ext2 partition or disk - mmc 0:1 **
ext2load - load binary file from a Ext2 filesystem

Usage:
ext2load <interface> <dev[:part]> [addr] [filename] [bytes]
    - load binary file 'filename' from 'dev' on 'interface'
      to address 'addr' from ext2 filesystem
reading boot.scr

** Unable to read "boot.scr" from mmc 0:1 **
Loading file "boot.scr" from mmc device 0:1
Failed to mount ext2 filesystem...
** Bad ext2 partition or disk - mmc 0:1 **
ext2load - load binary file from a Ext2 filesystem

Usage:
ext2load <interface> <dev[:part]> [addr] [filename] [bytes]
    - load binary file 'filename' from 'dev' on 'interface'
      to address 'addr' from ext2 filesystem
Loading file "boot/boot.scr" from mmc device 0:1
Failed to mount ext2 filesystem...
** Bad ext2 partition or disk - mmc 0:1 **
ext2load - load binary file from a Ext2 filesystem

Usage:
ext2load <interface> <dev[:part]> [addr] [filename] [bytes]
    - load binary file 'filename' from 'dev' on 'interface'
      to address 'addr' from ext2 filesystem
reading script.bin

40072 bytes read
reading uImage

5080752 bytes read
## Booting kernel from Legacy Image at 48000000 ...
   Image Name:   Linux-3.4.61+
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    5080688 Bytes = 4.8 MiB
   Load Address: 40008000
   Entry Point:  40008000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
OK

Starting kernel ...

<6>Booting Linux on physical CPU 0
<6>Initializing cgroup subsys cpuset
<5>Linux version 3.4.61+ (hugo@hugo-devel) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #81 PREEMPT Fri Mar 28 20:47:26 CET 2014
CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: sun4i
<6>Memory cut off:
<6>     MALI : 0x5c000000 - 0x5fffffff  (  64 MB)
<4>Ignoring unrecognised tag 0x00000000
<6>Memory Reserved:
<6>     SYS  : 0x43000000 - 0x4300ffff  (  64 kB)
<6>     VE   : 0x44000000 - 0x48ffffff  (  80 MB)
<6>     G2D  : 0x49000000 - 0x49ffffff  (  16 MB)
<6>     LCD  : 0x5a000000 - 0x5bffffff  (  32 MB)
Memory policy: ECC disabled, Data cache writeback
<6>sunxi: Allwinner A10 revision C (AW1623/sun4i) detected.
<7>On node 0 totalpages: 245760
<7>free_area_init_node: node 0, pgdat c0a237a8, node_mem_map c0bec000
<7>  Normal zone: 1520 pages used for memmap
<7>  Normal zone: 0 pages reserved
<7>  Normal zone: 176656 pages, LIFO batch:31
<7>  HighMem zone: 528 pages used for memmap
<7>  HighMem zone: 67056 pages, LIFO batch:15
<7>pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768<c>
<7>pcpu-alloc: <c>[0] <c>0 <c>
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 243712
<5>Kernel command line: console=ttyS0,115200 root=/dev/mmcblk0p2 rootwait loglevel=8 panic=10
<6>PID hash table entries: 4096 (order: 2, 16384 bytes)
<6>Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
<6>Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
<6>Memory: 448MB 512MB = 960MB total
<5>Memory: 831168k/831168k available, 151872k reserved, 270336K highmem
<5>Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
    lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
    pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
    modules : 0xbf000000 - 0xbfe00000   (  14 MB)
      .text : 0xc0008000 - 0xc0929a90   (9351 kB)
      .init : 0xc092a000 - 0xc09b2000   ( 544 kB)
      .data : 0xc09b2000 - 0xc0a2f7c0   ( 502 kB)
       .bss : 0xc0a2f7e4 - 0xc0beb0f0   (1775 kB)
<6>SLUB: Genslabs=11, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
<6>NR_IRQS:128
REGISTERED I2C-0 DEVICES
REGISTERED I2C-2 DEVICES
<6>sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956ms
<6>Console: colour dummy device 80x30
<6>Calibrating delay loop... <c>383.38 BogoMIPS (lpj=1916928)
<6>pid_max: default: 32768 minimum: 301
<6>Mount-cache hash table entries: 512
<6>Initializing cgroup subsys cpuacct
<6>Initializing cgroup subsys devices
<6>Initializing cgroup subsys freezer
<6>Initializing cgroup subsys blkio
<6>CPU: Testing write buffer coherency: ok
<6>hw perfevents: enabled with ARMv7 Cortex-A8 PMU driver, 5 counters available
<6>Setting up static identity map for 0x4063c220 - 0x4063c278
<6>devtmpfs: initialized
<6>dummy:
<6>NET: Registered protocol family 16
<6>hw-breakpoint: debug architecture 0x4 unsupported.
<6>Init eGon pin module V2.0
SOFTWINNER DMA Driver, (c) 2003-2004,2006 Simtec Electronics
<6>Initialize DMAC OK
<6>bio: create slab <bio-0> at 0
<6>sunxi_gpio driver init ver 1.3
<6>gpiochip_add: registered GPIOs 1 to 18 on device: A1X_GPIO
<5>SCSI subsystem initialized
<7>libata version 3.00 loaded.
<6>usbcore: registered new interface driver usbfs
<6>usbcore: registered new interface driver hub
<6>usbcore: registered new device driver usb
<6>Linux video capture interface: v2.00
<6>Bluetooth: Core ver 2.16
<6>NET: Registered protocol family 31
<6>Bluetooth: HCI device and connection manager initialized
<6>Bluetooth: HCI socket layer initialized
<6>Bluetooth: L2CAP socket layer initialized
<6>Bluetooth: SCO socket layer initialized
<6>Switching to clocksource aw_64bits_counter
<5>FS-Cache: Loaded
<6>cfg80211: Calling CRDA to update world regulatory domain
<6>CacheFiles: Loaded
[usb_manager]: CONFIG_USB_SW_SUNXI_USB0_HOST_ONLY
[sw_hcd0]: usb host driver initialize........
[sw_hcd0]: open_usb_clock
[sw_hcd0]: host_init_state = 1
[sw_hcd0]: platform is usb host
[sw_hcd0]: sw_hcd_host0: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx (X), HB-ISO Tx (X), SoftConn)
[sw_hcd0]: sw_hcd_init_controller: sw_hcd_host0: USB Host mode controller at f1c13000 using PIO, IRQ 38
<6>sw_hcd_host0 sw_hcd_host0: sw_hcd host driver
<6>sw_hcd_host0 sw_hcd_host0: new USB bus registered, assigned bus number 1
<6>hub 1-0:1.0: USB hub found
<6>hub 1-0:1.0: 1 port detected
is_on = 1, hcd0_set_vbus_cnt = 2
<6>NET: Registered protocol family 2
<6>IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
<6>TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
<6>TCP bind hash table entries: 65536 (order: 6, 262144 bytes)
<6>TCP: Hash tables configured (established 131072 bind 65536)
<6>TCP: reno registered
<6>UDP hash table entries: 512 (order: 1, 8192 bytes)
<6>UDP-Lite hash table entries: 512 (order: 1, 8192 bytes)
<6>NET: Registered protocol family 1
<6>RPC: Registered named UNIX socket transport module.
<6>RPC: Registered udp transport module.
<6>RPC: Registered tcp transport module.
<6>RPC: Registered tcp NFSv4.1 backchannel transport module.
<6>audit: initializing netlink socket (disabled)
<5>type=2000 audit(0.369:1): initialized
highmem bounce pool size: 64 pages
<5>VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
<5>NFS: Registering the id_resolver key type
<6>NTFS driver 2.1.30 [Flags: R/W].
<6>fuse init (API version 7.18)
<6>msgmni has been set to 1095
<6>alg: No test for stdrng (krng)
<6>Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
<6>io scheduler noop registered
<6>io scheduler deadline registered
<6>io scheduler cfq registered (default)
<6>sunxi disp driver loaded (/dev/disp api 1.0)
<6>Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
<6>[uart]: used uart info.: 0xc5
<6>[uart]: serial probe 0 irq 1 mapbase 0x01c28000
<6>sunxi-uart.0: ttyS0 at MMIO 0x1c28000 (irq = 1) is a U6_16550A
[    0.000000] Booting Linux on physical CPU 0
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Linux version 3.4.61+ (hugo@hugo-devel) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #81 PREEMPT Fri Mar 28 20:47:26 CET 2014
[    0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instructio