U-boot Default Environmental Variables and Values

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{{Template:Articles|Development|Linkstation Variants|Projects|LS1|HG|HS|LSPro}}
+
{{Template:Articles|UBoot|Linkstation Variants|Projects|LS1|HG|HS|LSPro|KuroboxPro|LSQuad}}
 +
[[Category:LS-WTGL/R1]]
===Reference Page for U-boot Env Vars & Values===
===Reference Page for U-boot Env Vars & Values===
-
Please add only '''stock''' or '''standard'''  values from a [[U-boot_bootloader|U-boot version]] supplied by Buffalo or by a developer associated w/ the Wiki, and no custom values.  Please list:
+
Please add only '''stock''' or '''standard'''  values from a [[U-boot_bootloader|U-boot version]] supplied by Buffalo or by a developer associated w/ the Wiki, and no custom values, except in the place at the end.  Please list:
#source of U-boot (Buffalo, wiki, foonas)
#source of U-boot (Buffalo, wiki, foonas)
#the version  
#the version  
#the date of build and  
#the date of build and  
#all stock/standard env vars.  
#all stock/standard env vars.  
-
The version and date can be found in U-boot's boot messages via [[NetCat-A_UBoot-Friendly_Network_Utility|netcat]] or a serial terminal (if you have fitted a cable to your box's [[Serial_port]]).  The values can be found by issuing the command "printenv" while in U-boot, or the command "nvram -c printenv" whilst in EM etc.
+
The version and date can be found in U-boot's boot messages via [[NetCat-A_UBoot-Friendly_Network_Utility|netcat]] or a serial terminal (if you have fitted a cable to your box's [[Serial_port]]).  The values can be found by issuing the command "printenv" while in U-boot, or the command "nvram -c printenv" whilst in EM etc. It is also possible using the fw_printenv command available as part of the uboot-envtools package in Debian (assuming you haven't changed the default uboot environment of course).
==LS1==
==LS1==
Line 19: Line 20:
=====U-Boot 1.1.4 LiSt 2.1.0 (Nov 15 2006 - 18:03:28) LinkStation HG / KuroBox HG=====
=====U-Boot 1.1.4 LiSt 2.1.0 (Nov 15 2006 - 18:03:28) LinkStation HG / KuroBox HG=====
version & date above, made by kuroguy
version & date above, made by kuroguy
 +
 +
values:  to be listed...
 +
-
values:  to be listed...
+
 
 +
 
 +
=====U-Boot 1.2.0 (Apr 10 2007 - 19:13:32) LinkStation HG / KuroBox HG=====
 +
version and date above, made by bitbake/timtimred - for foonas-em on a KuroHG
 +
 
 +
  bootargs=root=/dev/sda1 netconsole=6666@192.168.11.150/,@192.168.11.149/ rtc-rs5c372.probe=0,0x32
 +
bootcmd=run bootcmd1
 +
nfsboot=bootp;run nfsargs;bootm
 +
bootdelay=10
 +
baudrate=57600
 +
autoload=no
 +
stdin=nc
 +
stdout=nc
 +
stderr=nc
 +
ipaddr=192.168.11.150
 +
netmask=255.255.255.0
 +
serverip=192.168.11.149
 +
ncip=192.168.11.149
 +
netretry=no
 +
nc=setenv stdin nc;setenv stdout nc;setenv stderr nc
 +
ser=setenv stdin serial;setenv stdout serial;setenv stderr serial
 +
ldaddr=800000
 +
hdpart=0:1
 +
hdload=echo Loading ${hdpart}:${hdfile};ext2load ide ${hdpart} ${ldaddr} ${hdfile};ext2load ide ${hdpart} 7f0000 boot/kuroboxHG.dtb
 +
boothd=setenv bootargs root=/dev/sda1 netconsole=6666@192.168.11.150/,@192.168.11.149/ rtc-rs5c372.probe=0,0x32
 +
hdboot=run hdload boothd
 +
flboot=setenv bootargs root=/dev/hda1;bootm ffc00000
 +
emboot=setenv bootargs root=/dev/ram0;bootm ffc00000
 +
nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off
 +
bootretry=30
 +
bootcmd1=run hdboot;run flboot
 +
bootcmd2=run flboot
 +
bootcmd3=run emboot
 +
writeng=protect off fff70000 fff7ffff;era fff70000 fff7ffff;mw.l 800000 4e474e47 1;cp.b 800000 fff70000 4
 +
writeok=protect off fff70000 fff7ffff;era fff70000 fff7ffff;mw.l 800000 4f4b4f4b 1;cp.b 800000 fff70000 4
 +
ubpart=0:1
 +
ubfile=share/u-boot/u-boot-hg.flash.bin
 +
ubload=echo Loading ${ubpart}:${ubfile};ext2load ide ${ubpart} ${ldaddr} ${ubfile}
 +
ubsaddr=fff00000
 +
ubeaddr=fff2ffff
 +
ubflash=protect off ${ubsaddr} ${ubeaddr};era ${ubsaddr} ${ubeaddr};cp.b ${ldaddr} ${ubsaddr} ${filesize};cmp.b ${ldaddr} ${ubsaddr} ${filesize}
 +
upgrade=run ubload ubflash
 +
ethact=RTL8169#0
 +
hdfile=boot/uImage
 +
foofl1=cp.b FFC00000 800000 2FFFFF;cp.b fff80000 AFFFFF 7E887
 +
foofl2=setenv bootargs netconsole=6666@192.168.11.150/,@192.168.11.149/ rtc-rs5c372.probe=0,0x32 root=/dev/ram0 rw;bootm ${ldaddr} - FFFFF743
 +
fooflboot=run foofl1 foofl2
 +
 +
Environment size: 1895/65532 bytes
==LS-Pro v1==
==LS-Pro v1==
-
=====U-Boot 1.1.1 (Jun 12 2006 - 10:32:00) Marvell version: 1.10.8=====
+
=====U-Boot 1.1.1 (Jun 12 2006 - 10:32:00) Marvell version: 1.10.8   Stock Buffalo U-boot=====
-
=====Stock Buffalo U-boot ------------ not quite ... corrections to IP's sought!=====
+
  baudrate=115200
  baudrate=115200
  loads_echo=0
  loads_echo=0
Line 40: Line 91:
  usb1Mode=host
  usb1Mode=host
  bootargs=console=ttyS0,115200 root=/dev/sda2 rw initrd=0x00800040,15M panic=5 BOOTVER=1.10
  bootargs=console=ttyS0,115200 root=/dev/sda2 rw initrd=0x00800040,15M panic=5 BOOTVER=1.10
-
  serverip=192.168.11.149
+
  serverip=192.168.11.1
  buffalo_ver=BOOTVER=1.01
  buffalo_ver=BOOTVER=1.01
  build_time=10:35:38
  build_time=10:35:38
Line 58: Line 109:
  overEthAddr=no
  overEthAddr=no
  force_tftp=1
  force_tftp=1
-
  bootcmd=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000
+
  bootcmd=ide reset; ext2load ide 1:1 0x00100000 /$(kernel);ext2load ide 1:1 0x00800000 /$(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000
   
   
  Environment size: 1010/4092 bytes
  Environment size: 1010/4092 bytes
 +
Note: if you stop uboot via serial or netconsole, and select tftp booting, bootcmd will assume a different value:
 +
bootcmd=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000
 +
==LS-Pro v2==
==LS-Pro v2==
 +
 +
=====U-Boot 1.1.1 (Apr 18 2007 - 18:35:44) Marvell version: 1.12.1 - TINY=====
 +
bootargs=$(bootargs_base) $(bootargs_root)
 +
baudrate=115200
 +
loads_echo=0
 +
rootpath=/nfs/arm
 +
cpuName=926
 +
CASset=min
 +
MALLOC_len=4
 +
bootargs_end=:::DB88FXX81:eth0:none
 +
ethact=egiga0
 +
ethaddr=00:16:01:41:4E:2B
 +
filesize=40000
 +
fileaddr=100000
 +
ipaddr=192.168.11.150
 +
serverip=192.168.11.1
 +
stdin=serial
 +
stdout=serial
 +
stderr=serial
 +
enaMonExt=no
 +
enaFlashBuf=yes
 +
enaCpuStream=no
 +
ethprime=egiga0
 +
buffalo_ver=BOOTVER=1.10
 +
buffalo_minor_ver=BOOT_MINOR_VER=1.00
 +
build_time=18:35:39
 +
initrd=initrd.buffalo
 +
kernel=uImage.buffalo
 +
bootargs_base=console=ttyS0,115200
 +
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,15M panic=5
 +
def_tftp=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes;bootm 0x00100000 0x00800000
 +
bootdelay=3
 +
disaMvPnp=no
 +
overEthAddr=no
 +
usb0Mode=host
 +
usb1Mode=host
 +
force_tftp=1
 +
bootcmd=ide reset; ext2load ide 0:1 0x00100000 /$(kernel);ext2load ide 0:1 0x00800000 /$(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000
 +
 +
Environment size: 1019/4092 bytes
 +
Note: if you stop uboot via serial or netconsole, and select tftp booting, bootcmd will assume a different value:
 +
bootcmd=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes;bootm 0x00100000 0x00800000
 +
 +
 +
==KuroPro==
 +
=====U-Boot 1.1.1 (Apr 10 2007 - 18:10:08) Marvell version: 1.12.1 - TINY=====
 +
 +
baudrate=115200                                                               
 +
loads_echo=0                                                                   
 +
ipaddr=192.168.11.150                                                         
 +
serverip=192.168.11.1                                                         
 +
rootpath=/nfs/arm                                                             
 +
cpuName=926                                                                   
 +
CASset=min                                                                     
 +
MALLOC_len=4                                                                   
 +
bootargs_end=:::DB88FXX81:eth0:none                                           
 +
ethact=egiga0                                                                 
 +
buffalo_ver=BOOTVER=1.091                                                     
 +
build_time=18:10:02                                                           
 +
initrd=initrd.buffalo                                                         
 +
kernel=uImage.buffalo                                                         
 +
bootargs_base=console=ttyS0,115200                                             
 +
bootargs_root=root=/dev/mtdblock2 rw panic=5                                   
 +
bootargs=$(bootargs_base) $(bootargs_root) $(buffalo_ver)                     
 +
nand_uImage_offset=20000                                                       
 +
default_kernel_addr=0x00100000                                                 
 +
default_initrd_addr=0x02000000                                                 
 +
bootcmd=nboot $(default_kernel_addr)  0 $(nand_uImage_offset) ;setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver); bootm $(default_kernel_addr)                                                                                   
 +
def_tftp=tftp $(default_kernel_addr) $(kernel); tftp $(default_initrd_addr) $(initrd); setenv bootargs $(bootargs_base) $(bootargs_root)  rw initrd=0x02000040,20M panic=5 $(buffalo_ver); bootm $(default_kernel_addr) $(default_initrd_addr) 
 +
nand_boot=yes                                                                 
 +
ethaddr=00:16:01:A4:E5:5A                                                     
 +
stdin=serial                                                                   
 +
stdout=serial                                                                 
 +
stderr=serial                                                                 
 +
enaMonExt=no                                                                   
 +
enaFlashBuf=yes                                                               
 +
enaCpuStream=no                                                               
 +
ethprime=egiga0                                                               
 +
bootdelay=3                                                                   
 +
disaMvPnp=no                                                                   
 +
overEthAddr=no                                                                 
 +
usb0Mode=host                                                                 
 +
usb1Mode=host
 +
 +
Environment size: 1099/4092 bytes
 +
 +
==LS-Pro Duo LS-WTGL/R1-V3==
 +
=====U-Boot 1.1.1 (Feb 25 2008 - 15:41:58) Marvell version: 1.12.1 - TINY=====
 +
 +
bootargs=$(bootargs_base) $(bootargs_root)
 +
baudrate=115200
 +
loads_echo=0
 +
ipaddr=192.168.11.150
 +
serverip=192.168.11.1
 +
rootpath=/nfs/arm
 +
stdin=serial
 +
stdout=serial
 +
stderr=serial
 +
cpuName=926
 +
CASset=min
 +
enaMonExt=no
 +
enaFlashBuf=yes
 +
enaCpuStream=no
 +
MALLOC_len=4
 +
ethprime=egiga0
 +
bootargs_end=:::DB88FXX81:eth0:none
 +
buffalo_ver=BOOTVER=1.13
 +
buffalo_minor_ver=BOOT_MINOR_VER=1.00
 +
build_time=15:41:55
 +
initrd=initrd.buffalo
 +
kernel=uImage.buffalo
 +
bootargs_base=console=ttyS0,115200
 +
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,15M panic=5
 +
bootcmd=ide reset; ext2load ide 1:1 0x00100000 /$(kernel); ext2load ide 1:1 0x00800000 /$(initrd); setenv bootargs $(bootargs_base) $(bootargs_root) $(bootargs_func) $(bootargs_debug) $(buffalo_ver); bootm 0x00100000 0x00800000
 +
def_tftp=tftp 0x00100000 $(kernel); tftp 0x00800000 $(initrd); setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes; bootm 0x00100000 0x00800000
 +
bootdelay=3
 +
disaMvPnp=no
 +
overEthAddr=no
 +
usb0Mode=host
 +
usb1Mode=host
 +
ethact=egiga0
 +
ethaddr=re:mo:ve:dt:hi:s!
 +
 +
==LS Mini LS-WSGL/R1==
 +
=====U-Boot 1.1.1 (Feb 22 2008 - 18:48:54) Marvell version: 1.12.1 - TINY=====
 +
[[LS Mini: Serial Port Output - U-Boot#Environment]]
 +
 +
==LS Quad LS-QL/R5==
 +
=====Buffalo Stock Firmware 1.05=====
 +
 +
bootargs=$(bootargs_base) $(bootargs_root)
 +
baudrate=115200
 +
loads_echo=0
 +
ipaddr=192.168.11.150
 +
serverip=192.168.11.1
 +
rootpath=/nfs/arm
 +
cpuName=926
 +
CASset=min
 +
MALLOC_len=4
 +
bootargs_end=:::DB88FXX81:eth0:none
 +
ethact=egiga0
 +
ethaddr=00:1D:73:A5:35:77
 +
stdin=serial
 +
stdout=serial
 +
stderr=serial
 +
enaMonExt=no
 +
enaFlashBuf=yes
 +
enaCpuStream=no
 +
ethprime=egiga0
 +
buffalo_ver=BOOTVER=1.24
 +
buffalo_minor_ver=BOOT_MINOR_VER=1.00
 +
build_time=15:36:59
 +
initrd=initrd.buffalo
 +
kernel=uImage.buffalo
 +
bootargs_base=console=ttyS0,115200
 +
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,32M panic=5
 +
bootcmd=ide reset; ext2load ide 1:1 0x00100000 /$(kernel); ext2load ide 1:1 0x00800000 /$(initrd); setenv bootargs $(bootargs_base) $(bootargs_root) $(bootargs_func) $(bootargs_debug) $(buffalo_ver); bootm 0x00100000 0x00800000
 +
def_tftp=tftp 0x00100000 $(kernel); tftp 0x00800000 $(initrd); setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes; bootm 0x00100000 0x00800000
 +
bootdelay=3
 +
disaMvPnp=no
 +
overEthAddr=no
 +
usb0Mode=host
 +
 +
== LS-WVL ==
 +
===== Buffalo Stock Firmware 1.52 =====
 +
 +
U-Boot 1.1.4 (Jul  6 2011 - 20:16:40) Marvell version: 3.5.3
 +
 +
root@LS-WVL2C9:~# nvram -c printenv
 +
1: [baudrate=115200]
 +
2: [loads_echo=0]
 +
3: [ipaddr=192.168.11.150]
 +
4: [serverip=192.168.11.1]
 +
5: [rootpath=/mnt/ARM_FS/]
 +
6: [netmask=255.255.255.0]
 +
7: [run_diag=yes]
 +
8: [stdin=serial]
 +
9: [stdout=serial]
 +
10: [stderr=serial]
 +
11: [console=console=ttyS0,115200]
 +
12: [mainlineLinux=no]
 +
13: [CASset=min]
 +
14: [enaMonExt=no]
 +
15: [enaCpuStream=no]
 +
16: [enaWrAllo=no]
 +
17: [pexMode=RC]
 +
18: [disL2Cache=no]
 +
19: [setL2CacheWT=yes]
 +
20: [disL2Prefetch=yes]
 +
21: [enaICPref=yes]
 +
22: [enaDCPref=yes]
 +
23: [sata_dma_mode=yes]
 +
24: [MALLOC_len=1]
 +
25: [bootargs_root=root=/dev/sda2 rw initrd=0x00800040,12M panic=5]
 +
26: [bootargs_end=:::DB88FXX81:eth0:none]
 +
27: [image_name=uImage]
 +
28: [buffalo_ver=BOOTVER=0.18]
 +
29: [kernel=uImage.buffalo]
 +
30: [initrd=initrd.buffalo]
 +
31: [bootcommon=setenv bootargs $console $bootargs_root $bootargs_func $bootargs_wol $buffalo_ver $mtdparts $tftpboot $nandboot; bootm 0x00100000 0x00800000]
 +
32: [tftpbootcmd=tftp 0x00100000 $kernel; tftp 0x00800000 $initrd; setenv tftpboot tftpboot=yes; run bootcommon]
 +
33: [idebootcmd=ext2load ide 0:1 0x00100000 /$kernel; ext2load ide 0:1 0x00800000 /$initrd; run bootcommon]
 +
34: [mtdids=nand0=nand_mtd]
 +
35: [mtdparts=mtdparts=nand_mtd:0x1000000(boot),0xfe800000(rootfs),0x800000(reserve)]
 +
36: [nandbootcmd=fsload 0x00100000 /$kernel; fsload 0x00800000 /$initrd; setenv nandboot nandboot=yes; run bootcommon]
 +
37: [bootcmd=for i in $bootorder; do run ${i}bootcmd; done]
 +
38: [lcd0_enable=0]
 +
39: [lcd0_params=640x480-16@60]
 +
40: [lcd0_bootargs=video-dovefb:lcd0:$(lcd0_params) clcd.lcd0_enable=$(lcd0_enable)]
 +
41: [bootdelay=3]
 +
42: [disaMvPnp=no]
 +
43: [ethmtu=1500]
 +
44: [mvPhoneConfig=mv_phone_config=dev[0]:fxs,dev[1]:fxo]
 +
45: [mvNetConfig=mv_net_config=(00:11:88:0f:xx:xx,0:1:2:3),mtu=1500]
 +
46: [usb0Mode=host]
 +
47: [nandEcc=1bit]
 +
48: [netretry=no]
 +
49: [rcvrip=169.254.100.100]
 +
50: [loadaddr=0x02000000]
 +
51: [autoload=no]
 +
52: [enaAutoRecovery=yes]
 +
53: [ethaddr=4C:E6:76:xx:xx:xx]
 +
54: [bootorder=ide]
 +
 +
==TS-Pro v2==
 +
=====U-Boot 1.1.1 (Oct 19 2008 - 21:02:54) Marvell version: 1.12.1 - TINY=====
 +
baudrate=115200
 +
loads_echo=0
 +
ipaddr=192.168.11.150
 +
rootpath=/nfs/arm
 +
cpuName=926
 +
CASset=min
 +
MALLOC_len=4
 +
bootargs_end=:::DB88FXX81:eth0:none
 +
ethact=egiga0
 +
ethaddr=00:16:01:41:8E:33
 +
buffalo_minor_ver=BOOT_MINOR_VER=1.00
 +
ethprime=egiga0
 +
usb0Mode=host
 +
usb1Mode=host
 +
bootargs=console=ttyS0,115200 root=/dev/sda2 rw initrd=0x00800040,15M panic=5 BOOTVER=1.10
 +
serverip=192.168.11.1
 +
buffalo_ver=BOOTVER=1.01
 +
build_time=10:35:38
 +
initrd=initrd.buffalo
 +
kernel=uImage.buffalo
 +
bootargs_base=console=ttyS0,115200
 +
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,15M panic=5
 +
def_tftp=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000
 +
stdin=serial
 +
stdout=serial
 +
stderr=serial
 +
enaMonExt=no
 +
enaFlashBuf=yes
 +
enaCpuStream=no
 +
bootdelay=3
 +
disaMvPnp=no
 +
overEthAddr=no
 +
force_tftp=1
 +
bootcmd=ide reset; ext2load ide 1:1 0x00100000 /$(kernel);ext2load ide 1:1 0x00800000 /$(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000
 +
 +
Environment size: 1010/4092 bytes
 +
 +
 +
==Custom UBoot Builds==
 +
 +
===UBoot build from buff109 GPL sources===
 +
====U-Boot 1.1.1 (Feb 27 2008 - 22:04:35) D_G's BuffNASCentral Marvell version: 1.12.1 - TINY====
 +
 +
bootargs=$(bootargs_base) $(bootargs_root)
 +
baudrate=115200
 +
loads_echo=0
 +
rootpath=/nfs/arm
 +
cpuName=926
 +
CASset=min
 +
MALLOC_len=4
 +
bootargs_end=:::DB88FXX81:eth0:none
 +
ethact=egiga0
 +
ethaddr=00:16:01:41:4E:2B
 +
buffalo_minor_ver=BOOT_MINOR_VER=1.00
 +
filesize=3c010
 +
fileaddr=100000
 +
ipaddr=192.168.11.150
 +
serverip=192.168.11.149
 +
buffalo_ver=BOOTVER=1.09
 +
build_time=22:04:27
 +
initrd=initrd.buffalo
 +
kernel=uImage.buffalo
 +
bootargs_base=console=ttyS0,115200
 +
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,15M panic=5
 +
def_tftp=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes;bootm 0x0010000
 +
stdin=serial                               
 +
stdout=serial                             
 +
stderr=serial                             
 +
enaMonExt=no
 +
enaFlashBuf=yes
 +
enaCpuStream=no
 +
ethprime=egiga0
 +
bootdelay=3
 +
disaMvPnp=no
 +
overEthAddr=no
 +
usb0Mode=host
 +
usb1Mode=host
 +
force_tftp=1
 +
bootcmd=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes;bootm 0x00100000
 +
 +
Environment size: 1130/4092 bytes
 +
 +
 +
==Restoring Default Values to U-Boot Env Vars==
 +
'''Use at your own risk.  Erasing in U-Boot can be potentially disasterous.'''  Make sure you research your board before proceeding. 
 +
 +
The values shown below are for a custom build of UBoot for an LSPro that uses the standard address and size. 
 +
If you want to restore the values that were specified at build time for UBoot, you can do it with these steps:
 +
*research (in UBoot sources, see the include/configs/<boardname-or-linkstation-name>.h) to see where the environment variables are and the size of the sector(s) for them, then compute the begin and the end, as in feroceon.h :
 +
#define CFG_ENV_ADDR    0xfffff000
 +
#define CFG_ENV_SIZE         0x1000        
 +
#define CFG_ENV_SECT_SIZE 0x1000
 +
*For newer versions of the u-boot source, it is more complicated to spot the valies, since there are many '#ifdefs'. Here is a help:
 +
** [[Identify your Board]] and determine which config has to be build, e.g. `buffalo_mvlswvl_6282_config` for a LS-WVL)
 +
** Run 'make <your-board>_config'.
 +
** Fix `include/config.mk`:
 +
*** One of the lines my start with `-e CPPFLAGS`: remove the `-e ` there.
 +
*** If ''not'' cross-compiling, set `CROSS_COMPILE =`
 +
**Add this file `xxx.h` to the u-boot source:
 +
#include <config.h>
 +
"CFG_FLASH_BASE"    CFG_FLASH_BASE
 +
"CFG_FLASH_SIZE"    CFG_FLASH_SIZE
 +
"CFG_ENV_SIZE"      CFG_ENV_SIZE
 +
"CFG_ENV_SECT_SIZE" CFG_ENV_SECT_SIZE
 +
"CFG_ENV_OFFSET"    CFG_ENV_OFFSET
 +
"CFG_ENV_ADDR"      CFG_ENV_ADDR
 +
:*Add this lines to the end of the Makefile (mind the Makefile syntax: the second line must star with a tab character):
 +
xxxxxx:
 +
        $(CPP) $(CPPFLAGS) xxx.h
 +
:*run:
 +
make xxxxxx | tail
 +
:This will give you something like this:
 +
"CFG_FLASH_BASE" 0xf8000000
 +
"CFG_FLASH_SIZE" 0x00080000
 +
"CFG_ENV_SIZE" 0x10000
 +
"CFG_ENV_SECT_SIZE" 0x10000
 +
"CFG_ENV_OFFSET" (0x00080000 - 0x10000)
 +
"CFG_ENV_ADDR" ((0xf8000000) + 0x00080000 - 0x10000)
 +
 +
*compute the begin and end  ( '''get out your "hexadecimal calculator" if your hex math skills are rusty!''' ) 
 +
begin = fffff000
 +
end = begin + 1000 = ffffffff
 +
*unprotect, erase and protect
 +
=> protect off fffff000 ffffffff                                               
 +
Un-Protected 1 sectors                                                         
 +
=> erase fffff000 ffffffff                                                                                                                                 
 +
Erased 1 sectors                                                               
 +
=> protect on fffff000 ffffffff                                               
 +
Protected 1 sectors
 +
 +
===LSPro===
 +
see the example above, but check your uboot source first
 +
 +
 +
===LS-HG===
 +
Using LNI's setup, it is as follows (check and adjust if you have a custom build)
 +
protect off fff60000 fff6ffff
 +
era fff60000 fff6ffff
 +
protect on fff60000 fff6ffff

Latest revision as of 13:19, 13 January 2013


Contents

Reference Page for U-boot Env Vars & Values

Please add only stock or standard values from a U-boot version supplied by Buffalo or by a developer associated w/ the Wiki, and no custom values, except in the place at the end. Please list:

  1. source of U-boot (Buffalo, wiki, foonas)
  2. the version
  3. the date of build and
  4. all stock/standard env vars.

The version and date can be found in U-boot's boot messages via netcat or a serial terminal (if you have fitted a cable to your box's Serial_port). The values can be found by issuing the command "printenv" while in U-boot, or the command "nvram -c printenv" whilst in EM etc. It is also possible using the fw_printenv command available as part of the uboot-envtools package in Debian (assuming you haven't changed the default uboot environment of course).

LS1

LS2

LS-HG

U-Boot 1.1.4 LiSt 2.1.0 (Nov 15 2006 - 18:03:28) LinkStation HG / KuroBox HG

version & date above, made by kuroguy 

values:  to be listed...


U-Boot 1.2.0 (Apr 10 2007 - 19:13:32) LinkStation HG / KuroBox HG

version and date above, made by bitbake/timtimred - for foonas-em on a KuroHG 

bootargs=root=/dev/sda1 netconsole=6666@192.168.11.150/,@192.168.11.149/ rtc-rs5c372.probe=0,0x32
bootcmd=run bootcmd1
nfsboot=bootp;run nfsargs;bootm
bootdelay=10
baudrate=57600
autoload=no
stdin=nc
stdout=nc
stderr=nc
ipaddr=192.168.11.150
netmask=255.255.255.0
serverip=192.168.11.149
ncip=192.168.11.149
netretry=no
nc=setenv stdin nc;setenv stdout nc;setenv stderr nc
ser=setenv stdin serial;setenv stdout serial;setenv stderr serial
ldaddr=800000
hdpart=0:1
hdload=echo Loading ${hdpart}:${hdfile};ext2load ide ${hdpart} ${ldaddr} ${hdfile};ext2load ide ${hdpart} 7f0000 boot/kuroboxHG.dtb
boothd=setenv bootargs root=/dev/sda1 netconsole=6666@192.168.11.150/,@192.168.11.149/ rtc-rs5c372.probe=0,0x32
hdboot=run hdload boothd
flboot=setenv bootargs root=/dev/hda1;bootm ffc00000
emboot=setenv bootargs root=/dev/ram0;bootm ffc00000
nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off
bootretry=30
bootcmd1=run hdboot;run flboot
bootcmd2=run flboot
bootcmd3=run emboot
writeng=protect off fff70000 fff7ffff;era fff70000 fff7ffff;mw.l 800000 4e474e47 1;cp.b 800000 fff70000 4
writeok=protect off fff70000 fff7ffff;era fff70000 fff7ffff;mw.l 800000 4f4b4f4b 1;cp.b 800000 fff70000 4
ubpart=0:1
ubfile=share/u-boot/u-boot-hg.flash.bin
ubload=echo Loading ${ubpart}:${ubfile};ext2load ide ${ubpart} ${ldaddr} ${ubfile}
ubsaddr=fff00000
ubeaddr=fff2ffff
ubflash=protect off ${ubsaddr} ${ubeaddr};era ${ubsaddr} ${ubeaddr};cp.b ${ldaddr} ${ubsaddr} ${filesize};cmp.b ${ldaddr} ${ubsaddr} ${filesize}
upgrade=run ubload ubflash
ethact=RTL8169#0
hdfile=boot/uImage
foofl1=cp.b FFC00000 800000 2FFFFF;cp.b fff80000 AFFFFF 7E887
foofl2=setenv bootargs netconsole=6666@192.168.11.150/,@192.168.11.149/ rtc-rs5c372.probe=0,0x32 root=/dev/ram0 rw;bootm ${ldaddr} - FFFFF743
fooflboot=run foofl1 foofl2

Environment size: 1895/65532 bytes

LS-Pro v1

U-Boot 1.1.1 (Jun 12 2006 - 10:32:00) Marvell version: 1.10.8 Stock Buffalo U-boot
baudrate=115200
loads_echo=0
ipaddr=192.168.11.150
rootpath=/nfs/arm
cpuName=926
CASset=min
MALLOC_len=4
bootargs_end=:::DB88FXX81:eth0:none
ethact=egiga0
ethaddr=00:16:01:41:8E:33
buffalo_minor_ver=BOOT_MINOR_VER=1.00
ethprime=egiga0
usb0Mode=host
usb1Mode=host
bootargs=console=ttyS0,115200 root=/dev/sda2 rw initrd=0x00800040,15M panic=5 BOOTVER=1.10
serverip=192.168.11.1
buffalo_ver=BOOTVER=1.01
build_time=10:35:38
initrd=initrd.buffalo
kernel=uImage.buffalo
bootargs_base=console=ttyS0,115200
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,15M panic=5
def_tftp=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000
stdin=serial
stdout=serial
stderr=serial
enaMonExt=no
enaFlashBuf=yes
enaCpuStream=no
bootdelay=3
disaMvPnp=no
overEthAddr=no
force_tftp=1
bootcmd=ide reset; ext2load ide 1:1 0x00100000 /$(kernel);ext2load ide 1:1 0x00800000 /$(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000

Environment size: 1010/4092 bytes

Note: if you stop uboot via serial or netconsole, and select tftp booting, bootcmd will assume a different value: 

bootcmd=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000


LS-Pro v2

U-Boot 1.1.1 (Apr 18 2007 - 18:35:44) Marvell version: 1.12.1 - TINY
bootargs=$(bootargs_base) $(bootargs_root)
baudrate=115200
loads_echo=0
rootpath=/nfs/arm
cpuName=926
CASset=min
MALLOC_len=4
bootargs_end=:::DB88FXX81:eth0:none
ethact=egiga0
ethaddr=00:16:01:41:4E:2B
filesize=40000
fileaddr=100000
ipaddr=192.168.11.150
serverip=192.168.11.1
stdin=serial
stdout=serial
stderr=serial
enaMonExt=no
enaFlashBuf=yes
enaCpuStream=no
ethprime=egiga0
buffalo_ver=BOOTVER=1.10
buffalo_minor_ver=BOOT_MINOR_VER=1.00
build_time=18:35:39
initrd=initrd.buffalo
kernel=uImage.buffalo
bootargs_base=console=ttyS0,115200
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,15M panic=5
def_tftp=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes;bootm 0x00100000 0x00800000
bootdelay=3
disaMvPnp=no
overEthAddr=no
usb0Mode=host
usb1Mode=host
force_tftp=1
bootcmd=ide reset; ext2load ide 0:1 0x00100000 /$(kernel);ext2load ide 0:1 0x00800000 /$(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000

Environment size: 1019/4092 bytes

Note: if you stop uboot via serial or netconsole, and select tftp booting, bootcmd will assume a different value: 

bootcmd=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes;bootm 0x00100000 0x00800000


KuroPro

U-Boot 1.1.1 (Apr 10 2007 - 18:10:08) Marvell version: 1.12.1 - TINY
baudrate=115200                                                                 
loads_echo=0                                                                    
ipaddr=192.168.11.150                                                           
serverip=192.168.11.1                                                           
rootpath=/nfs/arm                                                               
cpuName=926                                                                     
CASset=min                                                                      
MALLOC_len=4                                                                    
bootargs_end=:::DB88FXX81:eth0:none                                             
ethact=egiga0                                                                   
buffalo_ver=BOOTVER=1.091                                                       
build_time=18:10:02                                                             
initrd=initrd.buffalo                                                           
kernel=uImage.buffalo                                                           
bootargs_base=console=ttyS0,115200                                              
bootargs_root=root=/dev/mtdblock2 rw panic=5                                    
bootargs=$(bootargs_base) $(bootargs_root) $(buffalo_ver)                       
nand_uImage_offset=20000                                                        
default_kernel_addr=0x00100000                                                  
default_initrd_addr=0x02000000                                                  
bootcmd=nboot $(default_kernel_addr)  0 $(nand_uImage_offset) ;setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver); bootm $(default_kernel_addr)                                                                                    
def_tftp=tftp $(default_kernel_addr) $(kernel); tftp $(default_initrd_addr) $(initrd); setenv bootargs $(bootargs_base) $(bootargs_root)  rw initrd=0x02000040,20M panic=5 $(buffalo_ver); bootm $(default_kernel_addr) $(default_initrd_addr)   
nand_boot=yes                                                                  
ethaddr=00:16:01:A4:E5:5A                                                       
stdin=serial                                                                    
stdout=serial                                                                   
stderr=serial                                                                   
enaMonExt=no                                                                    
enaFlashBuf=yes                                                                 
enaCpuStream=no                                                                 
ethprime=egiga0                                                                 
bootdelay=3                                                                     
disaMvPnp=no                                                                    
overEthAddr=no                                                                  
usb0Mode=host                                                                   
usb1Mode=host

Environment size: 1099/4092 bytes

LS-Pro Duo LS-WTGL/R1-V3

U-Boot 1.1.1 (Feb 25 2008 - 15:41:58) Marvell version: 1.12.1 - TINY
bootargs=$(bootargs_base) $(bootargs_root)
baudrate=115200
loads_echo=0
ipaddr=192.168.11.150
serverip=192.168.11.1
rootpath=/nfs/arm
stdin=serial
stdout=serial
stderr=serial
cpuName=926
CASset=min
enaMonExt=no
enaFlashBuf=yes
enaCpuStream=no
MALLOC_len=4
ethprime=egiga0
bootargs_end=:::DB88FXX81:eth0:none
buffalo_ver=BOOTVER=1.13
buffalo_minor_ver=BOOT_MINOR_VER=1.00
build_time=15:41:55
initrd=initrd.buffalo
kernel=uImage.buffalo
bootargs_base=console=ttyS0,115200
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,15M panic=5
bootcmd=ide reset; ext2load ide 1:1 0x00100000 /$(kernel); ext2load ide 1:1 0x00800000 /$(initrd); setenv bootargs $(bootargs_base) $(bootargs_root) $(bootargs_func) $(bootargs_debug) $(buffalo_ver); bootm 0x00100000 0x00800000
def_tftp=tftp 0x00100000 $(kernel); tftp 0x00800000 $(initrd); setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes; bootm 0x00100000 0x00800000
bootdelay=3
disaMvPnp=no
overEthAddr=no
usb0Mode=host
usb1Mode=host
ethact=egiga0
ethaddr=re:mo:ve:dt:hi:s!

LS Mini LS-WSGL/R1

U-Boot 1.1.1 (Feb 22 2008 - 18:48:54) Marvell version: 1.12.1 - TINY

LS Mini: Serial Port Output - U-Boot#Environment

LS Quad LS-QL/R5

Buffalo Stock Firmware 1.05
bootargs=$(bootargs_base) $(bootargs_root)
baudrate=115200
loads_echo=0
ipaddr=192.168.11.150
serverip=192.168.11.1
rootpath=/nfs/arm
cpuName=926
CASset=min
MALLOC_len=4
bootargs_end=:::DB88FXX81:eth0:none
ethact=egiga0
ethaddr=00:1D:73:A5:35:77
stdin=serial
stdout=serial
stderr=serial
enaMonExt=no
enaFlashBuf=yes
enaCpuStream=no
ethprime=egiga0
buffalo_ver=BOOTVER=1.24
buffalo_minor_ver=BOOT_MINOR_VER=1.00
build_time=15:36:59
initrd=initrd.buffalo
kernel=uImage.buffalo
bootargs_base=console=ttyS0,115200
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,32M panic=5
bootcmd=ide reset; ext2load ide 1:1 0x00100000 /$(kernel); ext2load ide 1:1 0x00800000 /$(initrd); setenv bootargs $(bootargs_base) $(bootargs_root) $(bootargs_func) $(bootargs_debug) $(buffalo_ver); bootm 0x00100000 0x00800000 
def_tftp=tftp 0x00100000 $(kernel); tftp 0x00800000 $(initrd); setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes; bootm 0x00100000 0x00800000
bootdelay=3
disaMvPnp=no
overEthAddr=no
usb0Mode=host

LS-WVL

Buffalo Stock Firmware 1.52

U-Boot 1.1.4 (Jul 6 2011 - 20:16:40) Marvell version: 3.5.3

root@LS-WVL2C9:~# nvram -c printenv 

1: [baudrate=115200]
2: [loads_echo=0]
3: [ipaddr=192.168.11.150]
4: [serverip=192.168.11.1]
5: [rootpath=/mnt/ARM_FS/]
6: [netmask=255.255.255.0]
7: [run_diag=yes]
8: [stdin=serial]
9: [stdout=serial]
10: [stderr=serial]
11: [console=console=ttyS0,115200]
12: [mainlineLinux=no]
13: [CASset=min]
14: [enaMonExt=no]
15: [enaCpuStream=no]
16: [enaWrAllo=no]
17: [pexMode=RC]
18: [disL2Cache=no]
19: [setL2CacheWT=yes]
20: [disL2Prefetch=yes]
21: [enaICPref=yes]
22: [enaDCPref=yes]
23: [sata_dma_mode=yes]
24: [MALLOC_len=1]
25: [bootargs_root=root=/dev/sda2 rw initrd=0x00800040,12M panic=5]
26: [bootargs_end=:::DB88FXX81:eth0:none]
27: [image_name=uImage]
28: [buffalo_ver=BOOTVER=0.18]
29: [kernel=uImage.buffalo]
30: [initrd=initrd.buffalo]
31: [bootcommon=setenv bootargs $console $bootargs_root $bootargs_func $bootargs_wol $buffalo_ver $mtdparts $tftpboot $nandboot; bootm 0x00100000 0x00800000]
32: [tftpbootcmd=tftp 0x00100000 $kernel; tftp 0x00800000 $initrd; setenv tftpboot tftpboot=yes; run bootcommon]
33: [idebootcmd=ext2load ide 0:1 0x00100000 /$kernel; ext2load ide 0:1 0x00800000 /$initrd; run bootcommon]
34: [mtdids=nand0=nand_mtd]
35: [mtdparts=mtdparts=nand_mtd:0x1000000(boot),0xfe800000(rootfs),0x800000(reserve)]
36: [nandbootcmd=fsload 0x00100000 /$kernel; fsload 0x00800000 /$initrd; setenv nandboot nandboot=yes; run bootcommon]
37: [bootcmd=for i in $bootorder; do run ${i}bootcmd; done]
38: [lcd0_enable=0]
39: [lcd0_params=640x480-16@60]
40: [lcd0_bootargs=video-dovefb:lcd0:$(lcd0_params) clcd.lcd0_enable=$(lcd0_enable)]
41: [bootdelay=3]
42: [disaMvPnp=no]
43: [ethmtu=1500]
44: [mvPhoneConfig=mv_phone_config=dev[0]:fxs,dev[1]:fxo]
45: [mvNetConfig=mv_net_config=(00:11:88:0f:xx:xx,0:1:2:3),mtu=1500]
46: [usb0Mode=host]
47: [nandEcc=1bit]
48: [netretry=no]
49: [rcvrip=169.254.100.100]
50: [loadaddr=0x02000000]
51: [autoload=no]
52: [enaAutoRecovery=yes]
53: [ethaddr=4C:E6:76:xx:xx:xx]
54: [bootorder=ide]

TS-Pro v2

U-Boot 1.1.1 (Oct 19 2008 - 21:02:54) Marvell version: 1.12.1 - TINY
baudrate=115200
loads_echo=0
ipaddr=192.168.11.150
rootpath=/nfs/arm
cpuName=926
CASset=min
MALLOC_len=4
bootargs_end=:::DB88FXX81:eth0:none
ethact=egiga0
ethaddr=00:16:01:41:8E:33
buffalo_minor_ver=BOOT_MINOR_VER=1.00
ethprime=egiga0
usb0Mode=host
usb1Mode=host
bootargs=console=ttyS0,115200 root=/dev/sda2 rw initrd=0x00800040,15M panic=5 BOOTVER=1.10
serverip=192.168.11.1
buffalo_ver=BOOTVER=1.01
build_time=10:35:38
initrd=initrd.buffalo
kernel=uImage.buffalo
bootargs_base=console=ttyS0,115200
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,15M panic=5
def_tftp=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000
stdin=serial
stdout=serial
stderr=serial
enaMonExt=no
enaFlashBuf=yes
enaCpuStream=no
bootdelay=3
disaMvPnp=no
overEthAddr=no
force_tftp=1
bootcmd=ide reset; ext2load ide 1:1 0x00100000 /$(kernel);ext2load ide 1:1 0x00800000 /$(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver);bootm 0x00100000 0x00800000

Environment size: 1010/4092 bytes


Custom UBoot Builds

UBoot build from buff109 GPL sources

U-Boot 1.1.1 (Feb 27 2008 - 22:04:35) D_G's BuffNASCentral Marvell version: 1.12.1 - TINY

bootargs=$(bootargs_base) $(bootargs_root)
baudrate=115200
loads_echo=0
rootpath=/nfs/arm
cpuName=926
CASset=min
MALLOC_len=4
bootargs_end=:::DB88FXX81:eth0:none
ethact=egiga0
ethaddr=00:16:01:41:4E:2B
buffalo_minor_ver=BOOT_MINOR_VER=1.00
filesize=3c010
fileaddr=100000
ipaddr=192.168.11.150
serverip=192.168.11.149
buffalo_ver=BOOTVER=1.09
build_time=22:04:27
initrd=initrd.buffalo
kernel=uImage.buffalo
bootargs_base=console=ttyS0,115200
bootargs_root=root=/dev/sda2 rw initrd=0x00800040,15M panic=5
def_tftp=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes;bootm 0x0010000
stdin=serial                                
stdout=serial                               
stderr=serial                               
enaMonExt=no
enaFlashBuf=yes
enaCpuStream=no
ethprime=egiga0
bootdelay=3
disaMvPnp=no
overEthAddr=no
usb0Mode=host
usb1Mode=host
force_tftp=1
bootcmd=tftp 0x00100000 $(kernel);tftp 0x00800000 $(initrd);setenv bootargs $(bootargs_base) $(bootargs_root) $(buffalo_ver) tftpboot=yes;bootm 0x00100000

Environment size: 1130/4092 bytes


Restoring Default Values to U-Boot Env Vars

Use at your own risk. Erasing in U-Boot can be potentially disasterous. Make sure you research your board before proceeding.

The values shown below are for a custom build of UBoot for an LSPro that uses the standard address and size. If you want to restore the values that were specified at build time for UBoot, you can do it with these steps:

  • research (in UBoot sources, see the include/configs/<boardname-or-linkstation-name>.h) to see where the environment variables are and the size of the sector(s) for them, then compute the begin and the end, as in feroceon.h : 
#define CFG_ENV_ADDR    			0xfffff000
#define CFG_ENV_SIZE			        0x1000	         
#define CFG_ENV_SECT_SIZE			0x1000
  • For newer versions of the u-boot source, it is more complicated to spot the valies, since there are many '#ifdefs'. Here is a help:
    • Identify your Board and determine which config has to be build, e.g. `buffalo_mvlswvl_6282_config` for a LS-WVL)
    • Run 'make <your-board>_config'.
    • Fix `include/config.mk`:
      • One of the lines my start with `-e CPPFLAGS`: remove the `-e ` there.
      • If not cross-compiling, set `CROSS_COMPILE =`
    • Add this file `xxx.h` to the u-boot source: 
#include <config.h>
"CFG_FLASH_BASE"    CFG_FLASH_BASE
"CFG_FLASH_SIZE"    CFG_FLASH_SIZE
"CFG_ENV_SIZE"      CFG_ENV_SIZE
"CFG_ENV_SECT_SIZE" CFG_ENV_SECT_SIZE
"CFG_ENV_OFFSET"    CFG_ENV_OFFSET
"CFG_ENV_ADDR"      CFG_ENV_ADDR
  • Add this lines to the end of the Makefile (mind the Makefile syntax: the second line must star with a tab character): 
xxxxxx:
        $(CPP) $(CPPFLAGS) xxx.h
  • run: 
make xxxxxx | tail
This will give you something like this: 
"CFG_FLASH_BASE" 0xf8000000
"CFG_FLASH_SIZE" 0x00080000
"CFG_ENV_SIZE" 0x10000
"CFG_ENV_SECT_SIZE" 0x10000
"CFG_ENV_OFFSET" (0x00080000 - 0x10000)
"CFG_ENV_ADDR" ((0xf8000000) + 0x00080000 - 0x10000)
  • compute the begin and end ( get out your "hexadecimal calculator" if your hex math skills are rusty! ) 
begin = fffff000
end = begin + 1000 = ffffffff
  • unprotect, erase and protect 
=> protect off fffff000 ffffffff                                                
Un-Protected 1 sectors                                                          
=> erase fffff000 ffffffff                                                                                                                                   
Erased 1 sectors                                                                
=> protect on fffff000 ffffffff                                                 
Protected 1 sectors

LSPro

see the example above, but check your uboot source first


LS-HG

Using LNI's setup, it is as follows (check and adjust if you have a custom build) 

protect off fff60000 fff6ffff
era fff60000 fff6ffff
protect on fff60000 fff6ffff
Retrieved from "http://buffalo.nas-central.org/wiki/U-boot_Default_Environmental_Variables_and_Values"
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