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> ~ sudo picocom /dev/ttyUSB0 -b 115200
picocom v1.7
port is : /dev/ttyUSB0
flowcontrol : none
baudrate is : 115200
parity is : none
databits are : 8
escape is : C-a
local echo is : no
noinit is : no
noreset is : no
nolock is : no
send_cmd is : sz -vv
receive_cmd is : rz -vv
imap is :
omap is :
emap is : crcrlf,delbs,
Terminal ready
�CCCCCCCC
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Error - No Valid Environment Area found
*** Warning - bad CRC, using default environment
board_late_init
Net: board_eth_init
<ethaddr> not set. Validating first E-fuse MAC
Could not get PHY for cpsw: addr 0
cpsw, usb_ether
Hit any key to stop autoboot: 3 prefetch abort
pc : [<00000004>] lr : [<9f764fa0>]
sp : 9f32ef18 ip : 00000020 fp : 80814a88
r10: 80844f0c r9 : 9f32ef38 r8 : 4030cdcc
r7 : 000001f7 r6 : 9f371e38 r5 : 00000000 r4 : 00000003
r3 : 00000000 r2 : 000001f7 r1 : 00000426 r0 : 00000000
Flags: Nzcv IRQs off FIQs on Mode SVC_32
Resetting CPU ...
resetting ...
CCCCCCCC
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Error - No Valid Environment Area found
*** Warning - bad CRC, using default environment
board_late_init
Net: board_eth_init
<ethaddr> not set. Validating first E-fuse MAC
## Warning: Unknown environment variable type 'm'
## Warning: Unknown environment variable access method 'a'
Could not get PHY for cpsw: addr 0
cpsw, usb_ether
Hit any key to stop autoboot: 0
�CCCCC
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
�[B��CCCCCCCC
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
prefetch abort
pc : [<00000004>] lr : [<9f75e560>]
sp : 9f301620 ip : 00000000 fp : 80814a88
r10: 80844f0c r9 : 9f32ef38 r8 : 4030cdcc
r7 : 4030cb7c r6 : 00000002 r5 : 9f301894 r4 : 0000000f
r3 : 00000000 r2 : 00000001 r1 : 9f30184c r0 : 9f301624
Flags: NzCv IRQs on FIQs on Mode SVC_32
Resetting CPU ...
resetting ...
CCCCCCCC
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Error - No Valid Environment Area found
*** Warning - bad CRC, using default environment
board_late_init
Net: board_eth_init
<ethaddr> not set. Validating first E-fuse MAC
## Warning: Unknown environment variable type 'm'
## Warning: Unknown environment variable access method 'a'
Could not get PHY for cpsw: addr 0
prefetch abort
pc : [<0000000{>] lr : [<f ob;boi>]
sp : f $ }oit ip : 00000000 fp : titn{itt
r10: tit{{ ie r9 : f $ ; $t r8 : ( ;e i
r7 : 00000000 r6 : 00000000 r5 : f $ }toe r4 : 0000000
r3 : 00000000 r2 : 0000000n r1 : f $ }t${ r0 : f $ }oie
Flags: NzCv IRQs on FIQs on Mode SVC_32
Resetting CPU ...
resetting ...
CCCCCCCC
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Error - No Valid Environment Area found
*** Warning - bad CRC, using default environment
board_late_init
Net: board_eth_init
<ethaddr> not set. Validating first E-fuse MAC
Could not get PHY for cpsw: addr 0
cpsw, usb_ether
Hit any key to stop autoboot: 0
U-Boot# ?
? - alias for 'help'
askenv - get environment variables from stdin
base - print or set address offset
bdinfo - print Board Info structure
boot - boot default, i.e., run 'bootcmd'
bootd - boot default, i.e., run 'bootcmd'
bootm - boot application image from memory
bootp - boot image via network using BOOTP/TFTP protocol
bootz - boot Linux zImage image from memory
chpart - change active partition
cmp - memory compare
coninfo - print console devices and information
cp - memory copy
crc32 - checksum calculation
dfu - Device Firmware Upgrade
dhcp - boot image via network using DHCP/TFTP protocol
echo - echo args to console
editenv - edit environment variable
eeprom - EEPROM sub-system
env - environment handling commands
exit - exit script
ext2load- load binary file from a Ext2 filesystem
ext2ls - list files in a directory (default /)
ext4load- load binary file from a Ext4 filesystem
ext4ls - list files in a directory (default /)
false - do nothing, unsuccessfully
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls - list files in a directory (default /)
fatwrite- write file into a dos filesystem
fdt - flattened device tree utility commands
go - start application at address 'addr'
gpio - input/set/clear/toggle gpio pins
gpt - GUID Partition Table
help - print command description/usage
i2c - I2C sub-system
iminfo - print header information for application image
imxtract- extract a part of a multi-image
itest - return true/false on integer compare
load - load binary file from a filesystem
loadb - load binary file over serial line (kermit mode)
loads - load S-Record file over serial line
loadx - load binary file over serial line (xmodem mode)
loady - load binary file over serial line (ymodem mode)
loop - infinite loop on address range
ls - list files in a directory (default /)
md - memory display
mdio - MDIO utility commands
mii - MII utility commands
mm - memory modify (auto-incrementing address)
mmc - MMC sub system
mmcinfo - display MMC info
mtdparts- define flash/nand partitions
mw - memory write (fill)
nand - NAND sub-system
nboot - boot from NAND device
nfs - boot image via network using NFS protocol
nm - memory modify (constant address)
part - disk partition related commands
ping - send ICMP ECHO_REQUEST to network host
printenv- print environment variables
reset - Perform RESET of the CPU
run - run commands in an environment variable
saveenv - save environment variables to persistent storage
setenv - set environment variables
sf - SPI flash sub-system
showvar - print local hushshell variables
sleep - delay execution for some time
source - run script from memory
spl - SPL configuration
sspi - SPI utility command
test - minimal test like /bin/sh
tftpboot- boot image via network using TFTP protocol
true - do nothing, successfully
usb - USB sub-system
usbboot - boot from USB device
version - print monitor, compiler and linker version
U-Boot# printenv
boot_targets= mmc0 nand
bootcmd_mmc0=setenv devnum 0; setenv rootpart 2; run mmc_boot;
bootpart=0:2
ethact=cpsw
ethaddr=bc:6a:29:f7:d9:88
fdt_high=0xa0000000
loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}
mmc_boot=setenv devtype mmc; if mmc dev ${devnum}; then run mmcargs;run scan_boot; run mmcboot;setenv mmcdev 1; setenv bootpart 1:2; run mmcboot;fi
mmcboot=mmc dev ${mmcdev}; if mmc rescan; then echo SD/MMC found on device ${mmcdev};if run loadbootenv; then echo Loaded environment from ${bootenv};run importbootenv;fi;if test -n $uenvcmd; then echo Running uenvcmd ...;run uenvcmd;fi;if run loadimage; then run mmcloados;fi;fi;
mmcrootfstype=ext4 rootwait
rootpart=2
scan_boot=echo Scanning ${devtype} ${devnum}...; for prefix in ${bootdir}; do for script in ${bootfile}; do run script_boot; done; done;
soc=am33xx
usbargs=setenv bootargs console=${console} ${optargs} root=${usbroot} rootfstype=${usbrootfstype}
usbnet_devaddr=bc:6a:29:f7:d9:89
usbroot=/dev/sda2 rw
Environment size: 1022/131067 bytes
U-Boot# printenv
boot_targets= mmc0 nand
bootcmd_mmc0=setenv devnum 0; setenv rootpart 2; run mmc_boot;
bootpart=0:2
console=ttyO0,115200n8
ethact=cpsw
ethaddr=bc:6a:29:f7:d9:88
fdt_high=0xa0000000
loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}
mmc_boot=setenv devtype mmc; if mmc dev ${devnum}; then run mmcargs;run scan_boot; run mmcboot;setenv mmcdev 1; setenv bootpart 1:2; run mmcboot;fi
mmcboot=mmc dev ${mmcdev}; if mmc rescan; then echo SD/MMC found on device ${mmcdev};if run loadbootenv; then echo Loaded environment from ${bootenv};run importbootenv;fi;if test -n $uenvcmd; then echo Running uenvcmd ...;run uenvcmd;fi;if run loadimage; then run mmcloados;fi;fi;
mmcrootfstype=ext4 rootwait
rootpart=2
scan_boot=echo Scanning ${devtype} ${devnum}...; for prefix in ${bootdir}; do for script in ${bootfile}; do run script_boot; done; done;
soc=am33xx
usbargs=setenv bootargs console=${console} ${optargs} root=${usbroot} rootfstype=${usbrootfstype}
usbnet_devaddr=bc:6a:29:f7:d9:89
usbroot=/dev/sda2 rw
Environment size: 1047/131067 bytes
U-Boot# printenv
boot_targets= mmc0 nand
bootcmd_mmc0=setenv devnum 0; setenv rootpart 2; run mmc_boot;
bootpart=0:2
console=ttyO0,115200n8
ethact=cpsw
ethaddr=bc:6a:29:f7:d9:88
fdt_high=0xa0000000
loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}
mmc_boot=setenv devtype mmc; if mmc dev ${devnum}; then run mmcargs;run scan_boot; run mmcboot;setenv mmcdev 1; setenv bootpart 1:2; run mmcboot;fi
mmcboot=mmc dev ${mmcdev}; if mmc rescan; then echo SD/MMC found on device ${mmcdev};if run loadbootenv; then echo Loaded environment from ${bootenv};run importbootenv;fi;if test -n $uenvcmd; then echo Running uenvcmd ...;run uenvcmd;fi;if run loadimage; then run mmcloados;fi;fi;
mmcrootfstype=ext4 rootwait
rootpart=2
scan_boot=echo Scanning ${devtype} ${devnum}...; for prefix in ${bootdir}; do for script in ${bootfile}; do run script_boot; done; done;
soc=am33xx
usbargs=setenv bootargs console=${console} ${optargs} root=${usbroot} rootfstype=${usbrootfstype}
usbnet_devaddr=bc:6a:29:f7:d9:89
usbroot=/dev/sda2 rw
Environment size: 1047/131067 bytes
U-Boot# printenv
boot_targets= mmc0 nand
bootcmd_mmc0=setenv devnum 0; setenv rootpart 2; run mmc_boot;
bootpart=0:2
console=ttyO0,115200n8
ethact=cpsw
ethaddr=bc:6a:29:f7:d9:88
fdt_high=0xa0000000
loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}
mmc_boot=setenv devtype mmc; if mmc dev ${devnum}; then run mmcargs;run scan_boot; run mmcboot;setenv mmcdev 1; setenv bootpart 1:2; run mmcboot;fi
mmcboot=mmc dev ${mmcdev}; if mmc rescan; then echo SD/MMC found on device ${mmcdev};if run loadbootenv; then echo Loaded environment from ${bootenv};run importbootenv;fi;if test -n $uenvcmd; then echo Running uenvcmd ...;run uenvcmd;fi;if run loadimage; then run mmcloados;fi;fi;
mmcrootfstype=ext4 rootwait
rootpart=2
scan_boot=echo Scanning ${devtype} ${devnum}...; for prefix in ${bootdir}; do for script in ${bootfile}; do run script_boot; done; done;
soc=am33xx
usbargs=setenv bootargs console=${console} ${optargs} root=${usbroot} rootfstype=${usbrootfstype}
usbnet_devaddr=bc:6a:29:f7:d9:89
usbroot=/dev/sda2 rw
Environment size: 1047/131067 bytes
U-Boot# printenv
boot_targets= mmc0 nand
bootcmd_mmc0=setenv devnum 0; setenv rootpart 2; run mmc_boot;
bootpart=0:2
console=ttyO0,115200n8
ethact=cpsw
ethaddr=bc:6a:29:f7:d9:88
fdt_high=0xa0000000
loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}
mmc_boot=setenv devtype mmc; if mmc dev ${devnum}; then run mmcargs;run scan_boot; run mmcboot;setenv mmcdev 1; setenv bootpart 1:2; run mmcboot;fi
mmcboot=mmc dev ${mmcdev}; if mmc rescan; then echo SD/MMC found on device ${mmcdev};if run loadbootenv; then echo Loaded environment from ${bootenv};run importbootenv;fi;if test -n $uenvcmd; then echo Running uenvcmd ...;run uenvcmd;fi;if run loadimage; then run mmcloados;fi;fi;
mmcrootfstype=ext4 rootwait
rootpart=2
scan_boot=echo Scanning ${devtype} ${devnum}...; for prefix in ${bootdir}; do for script in ${bootfile}; do run script_boot; done; done;
soc=am33xx
usbargs=setenv bootargs console=${console} ${optargs} root=${usbroot} rootfstype=${usbrootfstype}
usbnet_devaddr=bc:6a:29:f7:d9:89
usbroot=/dev/sda2 rw
Environment size: 1047/131067 bytes
U-Boot# reset
resetting ...
CCCCCCCC
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Error - No Valid Environment Area found
*** Warning - bad CRC, using default environment
musb_init_controller failed with status -22
musb_init_controller failed with status -22
board_late_init
Net: board_eth_init
<ethaddr> not set. Validating first E-fuse MAC
Could not get PHY for cpsw: addr 0
cpsw, usb_ether
Hit any key to stop autoboot: 0
U-Boot# reset
resetting ...
CCCCCCCC
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Error - No Valid Environment Area found
*** Warning - bad CRC, using default environment
musb_init_controller failed with status -22
musb_init_controller failed with status -22
board_late_init
Net: board_eth_init
<ethaddr> not set. Validating first E-fuse MAC
Could not get PHY for cpsw: addr 0
cpswdata abort
MAYBE you should read doc/README.arm-unaligned-accesses
pc : [<9f78784c>] lr : [<9f787830>]
sp : 9f32ee20 ip : 9f32ee40 fp : 9f32eea0
r10: 80844f0c r9 : 9f32ef38 r8 : 9ffecf20
r7 : 00000000 r6 : 9f75b4f4 r5 : 00000000 r4 : 00000000
r3 : 9f32eea0 r2 : 00000065 r1 : 00000000 r0 : e8aa7fa5
Flags: nZCv IRQs off FIQs on Mode SVC_32
Resetting CPU ...
resetting ...
CCCCCCCC
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1undefined instruction
pc : [<ffff1c44>] lr : [<9f7789f4>]
sp : 9f32e970 ip : 00000020 fp : 80814a88
r10: 80844f0c r9 : 9f32ef38 r8 : 4030cdcc
r7 : 4030cb7c r6 : 00000002 r5 : 9f32efe0 r4 : ffff0000
r3 : 9ffbc33c r2 : 00000001 r1 : 9f32ef04 r0 : fffffffe
Flags: Nzcv IRQs off FIQs on Mode SVC_32
Resetting CPU ...
resetting ...
C
U-Boot SPL 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
get_dpll_ddr_params
set_mux_conf_regs
--DEBUG-- Configuring i2c1 pinmux
--DEBUG-- Configuring mii1 pinmux
--DEBUG-- Configuring mmc0 pinmux
--DEBUG-- Configuring mmc1 pinmux
sdram_init
am33xx_spl_board_init
spl_board_init end
U-Boot 2013.10-gc8185c4 (Jan 28 2016 - 10:46:57)
I2C: ready
DRAM: 512 MiB
board_init
NAND: 0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Error - No Valid Environment Area found
*** Warning - bad CRC, using default environment
musb_init_controller failed with status -22
musb_init_controller failed with status -22
board_late_init
Net: board_eth_init
<ethaddr> not set. Validating first E-fuse MAC
Could not get PHY for cpsw: addr 0
cpsw, usb_ether
Hit any key to stop autoboot: 0
U-Boot#
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