[#6804] 561 u-boot fails to run save after update now
Submitted By: Mingquan Pan
Open Date
2011-09-29 22:58:17 Close Date
2013-05-16 01:13:59
Priority:
Medium Assignee:
Bob Liu
Category:
N/A Fixed In Release:
N/A
Found In Release:
2011R1 Status:
Closed
Board:
N/A Processor:
BF561
Silicon Revision:
Resolution:
Assigned (Not Start)
Is the bug repeatable?:
N/A
Summary: 561 u-boot fails to run save after update now
Details:
561 u-boot fails to run save after update now.
U-Boot 2011.06-svn2714 (ADI-2011R1-pre) (Sep 22 2011 - 09:59:27)
CPU: ADSP bf561-0.3 (Detected Rev: 0.5) (bypass boot)
Board: ADI BF561 EZ-Kit Lite board
Support: http://blackfin.uclinux.org/
Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz
RAM: 64 MiB
Flash: 8 MiB
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
KGDB: [on serial] ready
Net: SMC91111-0
Hit any key to stop autoboot: 0
SMC91111: MAC 00:e0:22:fe:b1:3b
Using SMC91111-0 device
TFTP from server 192.168.0.2; our IP address is 192.168.0.15
Filename 'uImage'.
Load address: 0x1000000
Loading: T T
Abort
bfin> set ipaddr 10.100.4.50
bfin> set serverip 10.100.4.174
bfin> ping 10.100.4.174
SMC91111: MAC 00:e0:22:fe:b1:3b
Using SMC91111-0 device
host 10.100.4.174 is alive
bfin> run update
SMC91111: MAC 00:e0:22:fe:b1:3b
Using SMC91111-0 device
TFTP from server 10.100.4.174; our IP address is 10.100.4.50
Filename 'u-boot.bin'.
Load address: 0x1000000
Loading: ###########
done
Bytes transferred = 155740 (2605c hex)
Ack! Something bad happened to the Blackfin!
SEQUENCER STATUS:
SEQSTAT: 00000021 IPEND: 0032 SYSCFG: b31fd1b
HWERRCAUSE: 0x0: undef
EXCAUSE : 0x21: undef inst
RETE: <0xbb85140d> { ___umulsi3_highpart + 0xb7877399 }
RETN: <0x03f9e598> /* unknown address */
RETX: <0x03fc441c> { _do_protect + 0x0 }
RETS: <0x03fcadb8> { _run_command + 0x27c }
RETI: <0x03fc00e2> { _start + 0xe2 }
DCPLB_FAULT_ADDR: <0x03f9f218> /* unknown address */
ICPLB_FAULT_ADDR: <0x03fc441c> { _do_protect + 0x0 }
PROCESSOR STATE:
R0 : 03fe5b98 R1 : 00000000 R2 : 00000004 R3 : b6db6db7
R4 : 00000000 R5 : 00000000 R6 : 000003e3 R7 : 00000004
P0 : 03f9f1c0 P1 : 03f9f1b0 P2 : 03fc441c P3 : 03f9ffb0
P4 : 03f9e9cd P5 : 03fe5b98 FP : 03f9ede8 SP : ffb00f18
LB0: 03fd9ffc LT0: 03fd9ffc LC0: 00000000
LB1: 03fd15c4 LT1: 03fd15be LC1: 00000000
B0 : 03ff349c L0 : 00000000 M0 : b7e42bdc I0 : 03fdaa7c
B1 : f6d887af L1 : 00000000 M1 : e0cfa498 I1 : 00000000
B2 : fede6399 L2 : 00000000 M2 : dee1e5ad I2 : 0000000f
B3 : f6fcc06a L3 : 00000000 M3 : b626a8e0 I3 : 0000001b
A0.w: 000000c7 A0.x: 00000000 A1.w: 000000c7 A1.x: 00000000
USP : d4117988 ASTAT: 02001045
Hardware Trace:
0 Target : <0x03fc162c> { _trap_c + 0x0 }
Source : <0x03fc0330> { _trap + 0x6c }
1 Target : <0x03fc02c4> { _trap + 0x0 }
Source : <0x03fcadb6> { _run_command + 0x27a }
2 Target : <0x03fcada6> { _run_command + 0x26a }
Source : <0x03fcad84> { _run_command + 0x248 }
3 Target : <0x03fcad78> { _run_command + 0x23c }
Source : <0x03fcad6c> { _run_command + 0x230 }
4 Target : <0x03fcad66> { _run_command + 0x22a }
Source : <0x03fcad52> { _run_command + 0x216 }
5 Target : <0x03fcad4e> { _run_command + 0x212 }
Source : <0x03fc82c2> { _find_cmd_tbl + 0x6a }
6 Target : <0x03fc82ba> { _find_cmd_tbl + 0x62 }
Source : <0x03fc82a4> { _find_cmd_tbl + 0x4c }
7 Target : <0x03fc82a2> { _find_cmd_tbl + 0x4a }
Source : <0x03fd1ca0> { _strlen + 0x18 }
8 Target : <0x03fd1c94> { _strlen + 0xc }
Source : <0x03fd1c9a> { _strlen + 0x12 }
9 Target : <0x03fd1c94> { _strlen + 0xc }
Source : <0x03fd1c9a> { _strlen + 0x12 }
10 Target : <0x03fd1c94> { _strlen + 0xc }
Source : <0x03fd1c9a> { _strlen + 0x12 }
11 Target : <0x03fd1c94> { _strlen + 0xc }
Source : <0x03fd1c9a> { _strlen + 0x12 }
12 Target : <0x03fd1c94> { _strlen + 0xc }
Source : <0x03fd1c9a> { _strlen + 0x12 }
13 Target : <0x03fd1c94> { _strlen + 0xc }
Source : <0x03fd1c9a> { _strlen + 0x12 }
14 Target : <0x03fd1c88> { _strlen + 0x0 }
Source : <0x03fc829e> { _find_cmd_tbl + 0x46 }
15 Target : <0x03fc8298> { _find_cmd_tbl + 0x40 }
Source : <0x03fc28d6> { _strncmp + 0x26 }
kgdb: handle_exception; trap [0x4]
$T0435:1c44fc03;0e:c4e4f903;#f9$T0435:1c44fc03;0e:c4e4f903;#f9
U-Boot 2011.06-svn2714 (ADI-2011R1-pre) (Sep 22 2011 - 09:59:27)
CPU: ADSP bf561-0.3 (Detected Rev: 0.5) (bypass boot)
Board: ADI BF561 EZ-Kit Lite board
Support: http://blackfin.uclinux.org/
Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz
RAM: 64 MiB
Flash: 8 MiB
*** Warning - bad CRC, using default environment
while uboot revision 2710 is still good.
U-Boot 2011.06-svn2710 (ADI-2011R1-pre) (Sep 03 2011 - 15:55:34)
CPU: ADSP bf561-0.3 (Detected Rev: 0.5) (bypass boot)
Board: ADI BF561 EZ-Kit Lite board
Support: http://blackfin.uclinux.org/
Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz
RAM: 64 MiB
Flash: 8 MiB
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
KGDB: [on serial] ready
Net: SMC91111-0
Hit any key to stop autoboot: 0
bfin> print
addip=set bootargs $(bootargs) ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname):eth0:off
autoload=no
baudrate=57600
bootargs=root=/dev/mtdblock0 rw clkin_hz=30000000 earlyprintk=serial,uart0,57600 console=ttyBF0,57600
bootcmd=run ramboot
bootdelay=5
ethact=SMC91111-0
flashboot=bootm 0x20100000
gatewayip=192.168.0.1
hostname=bf561-ezkit
ipaddr=192.168.0.15
loadaddr=0x1000000
loads_echo=1
netmask=255.255.255.0
nfsargs=set bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath),tcp,nfsvers=3
nfsboot=tftp $(loadaddr) $(nfsfile);run nfsargs;run addip;bootm
nfsfile=vmImage
ramargs=set bootargs root=/dev/mtdblock0 rw clkin_hz=30000000 earlyprintk=serial,uart0,57600 console=ttyBF0,57600
ramboot=tftp $(loadaddr) $(ramfile);run ramargs;run addip;bootm
ramfile=uImage
rootpath=/romfs
serverip=192.168.0.2
stderr=serial
stdin=serial
stdout=serial
ubootfile=u-boot.bin
update=tftp $(loadaddr) $(ubootfile);protect off 0x20000000 +$(filesize);erase 0x20000000 +$(filesize);cp.b $(loadaddr) 0x20000000 $(filesize)
Environment size: 1078/8188 bytes
bfin> set ipaddr 10.100.4.50
bfin> set serverip 10.100.4.174
bfin> save
Saving Environment to Flash...
Un-Protected 1 sectors
Erasing Flash...
. done
Erased 1 sectors
Writing to Flash... 9....8....7....6....5....4....3....2....1....done
Protected 1 sectors
bfin> print
Follow-ups
--- Mingquan Pan 2011-09-29 23:15:40
It looks this issue doesn't happen always and may due to previous checkins.
--- Mingquan Pan 2011-10-14 02:22:27
It turns out that uboot on bf561 fails to remember things after reset. it would
have Warning - bad CRC, using default environment.
U-Boot 2011.06-svn2704 (ADI-2011R1-pre) (Jul 11 2011 - 18:45:13)
CPU: ADSP bf561-0.5 (Detected Rev: 0.5) (bypass boot)
Board: ADI BF561 EZ-Kit Lite board
Support: http://blackfin.uclinux.org/
Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz
RAM: 64 MiB
Flash: 8 MiB
In: serial
Out: serial
Err: serial
KGDB: [on serial] ready
Net: SMC91111-0
Hit any key to stop autoboot: 0
bfin> set bootargs root=/dev/mtdblock2 rw rootfstype=jffs2
earlyprintk=serial,uart0,57600 console=ttyBF0,57600
bfin> save
Saving Environment to Flash...
Un-Protected 1 sectors
Erasing Flash...
. done
Erased 1 sectors
Writing to Flash... 9....8....7....6....5....4....3....2....1....done
Protected 1 sectors
bfin>
************** STEP 3: Flash images.
bfin> tftp 0x1000000 vmImage
SMC91111: MAC 00:e0:22:fe:b1:3c
Using SMC91111-0 device
TFTP from server 10.100.4.174; our IP address is 10.100.4.50
Filename 'vmImage'.
Load address: 0x1000000
Loading: #################################################################
####
done
Image size is f5370 1004400 (f5370 hex)
bfin> protect off 20040000 201fffff
Un-Protected 28 sectors
bfin> erase 20040000 201fffff
............................ done
Erased 2 erase success
8 sectors
bfin> cp.b 0x1000000 20040000 0xf5370
Copy to Flash... 9....8....7....6....5....4....3....2....1....0done
b cp success
Case 1 ...PASS
Case 1 ...PASS
fin> tftp 0x1000000 rootfs.jffs2
SMC91111: MAC 00:e0:22:fe:b1:3c
Using SMC91111-0 device
TFTP from server 10.100.4.174; our IP address is 10.100.4.50
Filename 'rootfs.jffs2'.
Load address: 0x1000000
Loading: #################################################################
#############################
done
Bytes transferred = 1376256 (150000 hex)Image size is 150000
bfin> protect off 20200000 207fffff
Un-Protected 103 sectors
bfin> erase 20200000 207fffff
.......................................................................................................
done
Erased 103 secto erase success
rs
bfin> cp.b 0x1000000 20200000 0x150000
Copy to Flash... 9....8....7....6....5....4....3....2....1....done
bf cp success
Case 1 ...PASS
Case 1 ...PASS
in> resetþ
U-Boot 2011.06-svn2704 (ADI-2011R1-pre) (Jul 11 2011 - 18:45:13)
CPU: ADSP bf561-0.5 (Detected Rev: 0.5) (bypass boot)
Board: ADI BF561 EZ-Kit Lite board
Support: http://blackfin.uclinux.org/
Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz
RAM: 64 MiB
Flash: 8 MiB
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
KGDB: [on serial] ready
Net: SMC91111-0
Hit any key to stop autoboot: 0
bfin> successful reset attempt
--- Mike Frysinger 2011-10-14 17:45:08
your test code is out of date. that last step is erasing the env sector:
erase 20200000 207fffff
please see:
http://thread.gmane.org/gmane.linux.hardware.blackfin.kernel.devel/5462
--- Mingquan Pan 2011-10-17 02:51:31
yes, after adjust the operating address, the env saving issue can be fixed now.
-Boot 2011.06-svn2704 (ADI-2011R1-pre) (Jul 11 2011 - 18:45:13)
CPU: ADSP bf561-0.5 (Detected Rev: 0.5) (bypass boot)
Board: ADI BF561 EZ-Kit Lite board
Support: http://blackfin.uclinux.org/
Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz
RAM: 64 MiB
Flash: 8 MiB
In: serial
Out: serial
Err: serial
KGDB: [on serial] ready
Net: SMC91111-0
Hit any key to stop autoboot: 0
bfin> set bootargs root=/dev/mtdblock2 rw rootfstype=jffs2
earlyprintk=serial,uart0,57600 console=ttyBF0,57600
bfin> save
Saving Environment to Flash...
Un-Protected 1 sectors
Erasing Flash...
. done
Erased 1 sectors
Writing to Flash... 9....8....7....6....5....4....3....2....1....done
Protected 1 sectors
bfin>
************** STEP 3: Flash images.
bfin> tftp 0x1000000 vmImage
SMC91111: MAC 00:e0:22:fe:b1:3c
Using SMC91111-0 device
TFTP from server 10.100.4.174; our IP address is 10.100.4.50
Filename 'vmImage'.
Load address: 0x1000000
Loading: #################################################################
####
done
Image size is f5370 1004400 (f5370 hex)
bfin> protect off 20040000 201fffff
Un-Protected 28 sectors
bfin> erase 20040000 201fffff
............................ done
Erased 2 erase success
8 sectors
bfin> cp.b 0x1000000 20040000 0xf5370
Copy to Flash... 9....8....7....6....5....4....3....2....1....0done
b cp success
Case 1 ...PASS
Case 1 ...PASS
fin> tftp 0x1000000 rootfs.jffs2
SMC91111: MAC 00:e0:22:fe:b1:3c
Using SMC91111-0 device
TFTP from server 10.100.4.174; our IP address is 10.100.4.50
Filename 'rootfs.jffs2'.
Load address: 0x1000000
Loading: #################################################################
#############################
done
Bytes transferred = 1376256 (150000 hex)
bfin> Image size is 150000
protect off 20200000 207effff
Un-Protected 95 sectors
bfin> erase 20200000 207effff
...............................................................................................
done
Erased 9 erase success
5 sectors
bfin> cp.b 0x1000000 20200000 0x150000
Copy to Flash... 9....8....7....6....5....4....3....2....1....done
bf cp success
Case 1 ...PASS
Case 1 ...PASS
in> resetþ
U-Boot 2011.06-svn2704 (ADI-2011R1-pre) (Jul 11 2011 - 18:45:13)
CPU: ADSP bf561-0.5 (Detected Rev: 0.5) (bypass boot)
Board: ADI BF561 EZ-Kit Lite board
Support: http://blackfin.uclinux.org/
Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz
RAM: 64 MiB
Flash: 8 MiB
In: serial
Out: serial
Err: serial
KGDB: [on serial] ready
Net: SMC91111-0
Hit any key to stop autoboot: 0
bfin> successful reset attempt
As to the original issue, we can leave it open till it doesn't show up again.
--- Sonic Zhang 2011-10-17 04:38:09
The crash when run update on bf561-ezkit can't be replicated each time.
Grace prefer to keep this open.
--- Mingquan Pan 2011-10-19 02:15:30
I just see another dump info during uboot reset on bf527-ezkit with low sclk and
cclk.
U-Boot 2011.09-svn2725 (ADI-2011R1-pre) (Oct 18 2011 - 21:01:35)^M
^M
CPU: ADSP bf527-0.0 (Detected Rev: 0.2) (parallel flash boot)^M
Board: ADI BF527 EZ-Kit board^M
Support: http://blackfin.uclinux.org/^M
Clock: VCO: 400 MHz, Core: 200 MHz, System: 100 MHz^M
RAM: 64 MiB^M
Flash: ^M
^M
^M
Ack! Something bad happened to the Blackfin!^M
^M
SEQUENCER STATUS:^M
SEQSTAT: 00002024 IPEND: 0032 SYSCFG: af2cf4e5^M
HWERRCAUSE: 0x0: undef^M
EXCAUSE : 0x24: misaligned data^M
RETE: <0x(null)> /* Maybe null pointer? */^M
RETN: <0x03e9fdd4> /* unknown address */^M
RETX: <0x03f51cee> { _flash_write_cmd + 0x12 }^M
RETS: <0x03f51d62> { _flash_unlock_seq + 0x1a }^M
RETI: <0x03f400e2> { _start + 0xe2 }^M
DCPLB_FAULT_ADDR: <0x000000b4> /* unknown address */^M
ICPLB_FAULT_ADDR: <0x03f51cee> { _flash_write_cmd + 0x12 }^M
^M
PROCESSOR STATE:^M
R0 : 00020fdf R1 : 00000000 R2 : 00000555 R3 : 00000003^M
R4 : 00000052 R5 : 00000051 R6 : 00000002 R7 : 00000000^M
P0 : 00000086 P1 : 00000001 P2 : 000000aa P3 : 03e9ffb0^M
P4 : 03fbbc04 P5 : 000000aa FP : 03f64414 SP : ffb00f18^M
LB0: 03f41a0c LT0: 03f41a0c LC0: 00000000^M
LB1: 03f5202c LT1: 03f52012 LC1: 00000000^M
B0 : ffb00400 L0 : 00000000 M0 : 00000005 I0 : 04000000^M
B1 : 00000000 L1 : 00000000 M1 : 03edeba8 I1 : 00000000^M
B2 : 00000000 L2 : 00000000 M2 : 00008000 I2 : 0000000f^M
B3 : 00000000 L3 : 00000000 M3 : 03fb673f I3 : 0000001b^M
A0.w: 00000020 A0.x: 00000000 A1.w: 00000020 A1.x: 00000000^M
USP : ffb00ffc ASTAT: 00001025^M
^M
Hardware Trace:^M
0 Target : <0x03f416c8> { _trap_c + 0x0 }^M
Source : <0x03f402a8> { _trap + 0x6c }^M
1 Target : <0x03f4023c> { _trap + 0x0 }^M
Source : <0x03f51cec> { _flash_write_cmd + 0x10 }^M
2 Target : <0x03f51cdc> { _flash_write_cmd + 0x0 }^M
Source : <0x03f51d5e> { _flash_unlock_seq + 0x16 }^M
3 Target : <0x03f51d48> { _flash_unlock_seq + 0x0 }^M
Source : <0x03f5221c> { _flash_get_size + 0x2d4 }^M
4 Target : <0x03f52218> { _flash_get_size + 0x2d0 }^M
Source : <0x03f51d44> { _flash_write_cmd + 0x68 }^M
5 Target : <0x03f51d3c> { _flash_write_cmd + 0x60 }^M
Source : <0x03f51d2c> { _flash_write_cmd + 0x50 }^M
6 Target : <0x03f51d28> { _flash_write_cmd + 0x4c }^M
Source : <0x03f51d06> { _flash_write_cmd + 0x2a }^M
7 Target : <0x03f51d00> { _flash_write_cmd + 0x24 }^M
Source : <0x03f51cda> { _flash_make_cmd + 0x4a }^M
8 Target : <0x03f51cbc> { _flash_make_cmd + 0x2c }^M
Source : <0x03f637f4> { ___modsi3 + 0x14 }^M
9 Target : <0x03f637ea> { ___modsi3 + 0xa }^M
Source : <0x03f6372a> { ___divsi3 + 0xa6 }^M
10 Target : <0x03f63720> { ___divsi3 + 0x9c }^M
Source : <0x03f63698> { ___divsi3 + 0x14 }^M
11 Target : <0x03f63684> { ___divsi3 + 0x0 }^M
Source : <0x03f637e6> { ___modsi3 + 0x6 }^M
12 Target : <0x03f637e0> { ___modsi3 + 0x0 }^M
Source : <0x03f51cb8> { _flash_make_cmd + 0x28 }^M
13 Target : <0x03f51caa> { _flash_make_cmd + 0x1a }^M
Source : <0x03f51cd0> { _flash_make_cmd + 0x40 }^M
14 Target : <0x03f51cbc> { _flash_make_cmd + 0x2c }^M
Source : <0x03f637f4> { ___modsi3 + 0x14 }^M
15 Target : <0x03f637ea> { ___modsi3 + 0xa }^M
Source : <0x03f6372a> { ___divsi3 + 0xa6 }^M
^M
^M
^M
^M
Ack! Something bad happened to the Blackfin!^M
^M
--- Mingquan Pan 2013-05-16 02:21:16
It doesn't show now.Close this.
U-Boot 2013.04 (ADI-2013R1-pre)-00353-g5a20eb3-dirty (May 14 2013 - 10:09:42),
Build: jenkins-label=UBOOT_BF561-EZKIT-23
CPU: ADSP bf561-0.3 (Detected Rev: 0.5) (bypass boot)
Board: ADI BF561 EZ-Kit Lite board
Support: http://blackfin.uclinux.org/
Clock: VCO: 390 MHz, Core: 195 MHz, System: 97.500 MHz
RAM: 64 MiB
Flash: 8 MiB
In: serial
Out: serial
Err: serial
KGDB: [on serial] ready
Net: SMC91111-0
Hit any key to stop autoboot: 0
bfin>
bfin> run update
SMC91111: MAC 00:11:22:33:44:55
Using SMC91111-0 device
TFTP from server 10.100.4.174; our IP address is 10.100.4.50
Filename 'u-boot.bin'.
Load address: 0x1000000
Loading: ############
3 MiB/s
done
Bytes transferred = 167604 (28eb4 hex)
Un-Protected 3 sectors
... done
Erased 3 sectors
Copy to Flash... 9....8....7....6....5....4....3....2....1....done
bfin> save
Saving Environment to Flash...
Un-Protected 1 sectors
Erasing Flash...
. done
Erased 1 sectors
Writing to Flash... 9....8....7....6....5....4....3....2....1....done
Protected 1 sectors
bfin> reset�
U-Boot 2013.04 (ADI-2013R1-pre)-00353-g5a20eb3-dirty (May 13 2013 - 20:17:06),
Build: jenkins-label=UBOOT_BF561-EZKIT-23
CPU: ADSP bf561-0.3 (Detected Rev: 0.5) (bypass boot)
Board: ADI BF561 EZ-Kit Lite board
Support: http://blackfin.uclinux.org/
Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz
RAM: 64 MiB
Flash: 8 MiB
In: serial
Out: serial
Err: serial
KGDB: [on serial] ready
Net: SMC91111-0
Hit any key to stop autoboot: 0
bfin> print
addip=set bootargs $(bootargs)
ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname):eth0:off
autoload=no
baudrate=57600
bootargs=root=/dev/mtdblock0 rw clkin_hz=30000000
earlyprintk=serial,uart0,57600 console=ttyBF0,57600
bootcmd=bootm 0x20100000
bootdelay=9
date_tested=Tue May 14 13:34:44 GMT 2013
ethact=SMC91111-0
ethaddr=00:11:22:33:44:55
fileaddr=1000000
filesize=28eb4
flashboot=bootm 0x20100000
gatewayip=10.100.4.174
hostname=bf561-ezkit
ipaddr=10.100.4.50
loadaddr=0x1000000
loads_echo=1
netmask=255.255.255.0
nfsargs=set bootargs root=/dev/nfs rw
nfsroot=$(serverip):$(rootpath),tcp,nfsvers=3
nfsboot=tftp $(loadaddr) $(nfsfile);run nfsargs;run addip;bootm
nfsfile=vmImage
ramargs=set bootargs root=/dev/mtdblock0 rw clkin_hz=30000000
earlyprintk=serial,uart0,57600 console=ttyBF0,57600
ramboot=tftp $(loadaddr) $(ramfile);run ramargs;run addip;bootm
ramfile=uImage
rootpath=/romfs
serveraddr=e0:05:c5:f2:02:c6
serverip=10.100.4.174
stderr=serial
stdin=serial
stdout=serial
tftp_boot=tftp 0x1000000 linux.dxe;boote 0x1000000
ubootfile=u-boot.bin
update=tftp $(loadaddr) $(ubootfile);protect off 0x20000000 +$(filesize);erase
0x20000000 +$(filesize);cp.b $(loadaddr) 0x20000000 $(filesize)
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