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(Default BBB U-Boot 2013.04-dirty Environment Variables) |
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− | + | Below is the default environment variables from U-Boot 2013.04-dirty (Jun 19 2013 - 09:57:14) shipped as part of Cloud9 GNOME Image 2013.06.20: | |
− | + | ||
− | + | <PRE> | |
− | + | U-Boot# printenv | |
− | + | ||
− | + | arch=arm | |
− | + | baudrate=115200 | |
− | + | board=am335x | |
− | + | board_name=A335BNLT | |
− | + | board_rev=0A5A | |
+ | bootcmd=gpio set 53; | ||
+ | i2c mw 0x24 1 0x3e; | ||
+ | run findfdt; | ||
+ | mmc dev 0; | ||
+ | if mmc rescan ; | ||
+ | then echo micro SD card found; | ||
+ | setenv mmcdev 0; | ||
+ | else echo No micro SD card found, setting mmcdev to 1; | ||
+ | setenv mmcdev 1; | ||
+ | fi; | ||
+ | setenv bootpart ${mmcdev}:2; | ||
+ | mmc dev ${mmcdev}; | ||
+ | if mmc rescan; | ||
+ | then gpio set 54; | ||
+ | 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; | ||
+ | gpio set 55; | ||
+ | if run loaduimage; | ||
+ | then gpio set 56; | ||
+ | run loadfdt; | ||
+ | run mmcboot; | ||
+ | fi; | ||
+ | fi; | ||
+ | bootdelay=1 | ||
+ | bootdir=/boot | ||
+ | bootenv=uEnv.txt | ||
+ | bootfile=uImage | ||
+ | bootpart=0:2 | ||
+ | console=ttyO0,115200n8 | ||
+ | cpu=armv7 | ||
+ | dfu_alt_info_emmc=rawemmc mmc 0 3751936 | ||
+ | dfu_alt_info_mmc=boot part 0 1;rootfs part 0 2;MLO fat 0 1;MLO.raw mmc 100 100;u-boot.img.raw mmc 300 3C0;u-boot.img fat 0 1;uEnv.txt fat 0 1 | ||
+ | dfu_alt_info_nand=SPL part 0 1;SPL.backup1 part 0 2;SPL.backup2 part 0 3;SPL.backup3 part 0 4;u-boot part 0 5;kernel part 0 7;rootfs part 0 8 | ||
+ | ethact=cpsw | ||
+ | ethaddr=c8:a0:30:ac:e0:ef | ||
+ | fdt_high=0xffffffff | ||
+ | fdtaddr=0x80F80000 | ||
+ | fdtfile=am335x-boneblack.dtb | ||
+ | findfdt=if test $board_name = A33515BB; | ||
+ | then setenv fdtfile am335x-evm.dtb; | ||
+ | fi; | ||
+ | if test $board_name = A335X_SK; | ||
+ | then setenv fdtfile am335x-evmsk.dtb; | ||
+ | fi; | ||
+ | if test $board_name = A335BONE; | ||
+ | then setenv fdtfile am335x-bone.dtb; | ||
+ | fi; | ||
+ | if test $board_name = A335BNLT; | ||
+ | then setenv fdtfile am335x-boneblack.dtb; | ||
+ | fi | ||
+ | importbootenv=echo Importing environment from mmc ...; env import -t $loadaddr $filesize | ||
+ | kloadaddr=0x80007fc0 | ||
+ | loadaddr=0x80200000 | ||
+ | loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv} | ||
+ | loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile} | ||
+ | loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz | ||
+ | loaduimage=load mmc ${bootpart} ${kloadaddr} ${bootdir}/${bootfile} | ||
+ | mmcargs=setenv bootargs console=${console} ${optargs} root=${mmcroot} rootfstype=${mmcrootfstype} | ||
+ | mmcboot=echo Booting from mmc ...; run mmcargs; bootm ${kloadaddr} - ${fdtaddr} | ||
+ | mmcdev=0 | ||
+ | mmcroot=/dev/mmcblk0p2 ro | ||
+ | mmcrootfstype=ext4 rootwait | ||
+ | mtdids=nand0=omap2-nand.0 | ||
+ | mtdparts=mtdparts=omap2-nand.0:128k(SPL),128k(SPL.backup1),128k(SPL.backup2),128k(SPL.backup3),1920k(u-boot),128k(u-boot-env),5m(kernel),-(rootfs) | ||
+ | nandargs=setenv bootargs console=${console} ${optargs} root=${nandroot} rootfstype=${nandrootfstype} | ||
+ | nandboot=echo Booting from nand ...; run nandargs; nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; bootm ${loadaddr} | ||
+ | nandimgsize=0x500000 | ||
+ | nandroot=ubi0:rootfs rw ubi.mtd=7,2048 | ||
+ | nandrootfstype=ubifs rootwait=1 | ||
+ | nandsrcaddr=0x280000 | ||
+ | netargs=setenv bootargs console=${console} ${optargs} root=/dev/nfs nfsroot=${serverip}:${rootpath},${nfsopts} rw ip=dhcp | ||
+ | netboot=echo Booting from network ...; setenv autoload no; dhcp; tftp ${loadaddr} ${bootfile}; tftp ${fdtaddr} ${fdtfile}; run netargs; bootm ${loadaddr} - ${fdtaddr} | ||
+ | nfsopts=nolock | ||
+ | ramargs=setenv bootargs console=${console} ${optargs} root=${ramroot} rootfstype=${ramrootfstype} | ||
+ | ramboot=echo Booting from ramdisk ...; run ramargs; bootm ${loadaddr} ${rdaddr} ${fdtaddr} | ||
+ | ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M | ||
+ | ramrootfstype=ext2 | ||
+ | rdaddr=0x81000000 | ||
+ | rootpath=/export/rootfs | ||
+ | soc=am33xx | ||
+ | spiargs=setenv bootargs console=${console} ${optargs} root=${spiroot} rootfstype=${spirootfstype} | ||
+ | spiboot=echo Booting from spi ...; run spiargs; sf probe ${spibusno}:0; sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; bootm ${loadaddr} | ||
+ | spibusno=0 | ||
+ | spiimgsize=0x362000 | ||
+ | spiroot=/dev/mtdblock4 rw | ||
+ | spirootfstype=jffs2 | ||
+ | spisrcaddr=0xe0000 | ||
+ | static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off | ||
+ | stderr=serial | ||
+ | stdin=serial | ||
+ | stdout=serial | ||
+ | usbnet_devaddr=c8:a0:30:ac:e0:ef | ||
+ | vendor=ti | ||
+ | ver=U-Boot 2013.04-dirty (Jun 19 2013 - 09:57:14) | ||
+ | |||
+ | Environment size: 3877/131068 bytes | ||
+ | </PRE> |
Below is the default environment variables from U-Boot 2013.04-dirty (Jun 19 2013 - 09:57:14) shipped as part of Cloud9 GNOME Image 2013.06.20:
U-Boot# printenv arch=arm baudrate=115200 board=am335x board_name=A335BNLT board_rev=0A5A bootcmd=gpio set 53; i2c mw 0x24 1 0x3e; run findfdt; mmc dev 0; if mmc rescan ; then echo micro SD card found; setenv mmcdev 0; else echo No micro SD card found, setting mmcdev to 1; setenv mmcdev 1; fi; setenv bootpart ${mmcdev}:2; mmc dev ${mmcdev}; if mmc rescan; then gpio set 54; 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; gpio set 55; if run loaduimage; then gpio set 56; run loadfdt; run mmcboot; fi; fi; bootdelay=1 bootdir=/boot bootenv=uEnv.txt bootfile=uImage bootpart=0:2 console=ttyO0,115200n8 cpu=armv7 dfu_alt_info_emmc=rawemmc mmc 0 3751936 dfu_alt_info_mmc=boot part 0 1;rootfs part 0 2;MLO fat 0 1;MLO.raw mmc 100 100;u-boot.img.raw mmc 300 3C0;u-boot.img fat 0 1;uEnv.txt fat 0 1 dfu_alt_info_nand=SPL part 0 1;SPL.backup1 part 0 2;SPL.backup2 part 0 3;SPL.backup3 part 0 4;u-boot part 0 5;kernel part 0 7;rootfs part 0 8 ethact=cpsw ethaddr=c8:a0:30:ac:e0:ef fdt_high=0xffffffff fdtaddr=0x80F80000 fdtfile=am335x-boneblack.dtb findfdt=if test $board_name = A33515BB; then setenv fdtfile am335x-evm.dtb; fi; if test $board_name = A335X_SK; then setenv fdtfile am335x-evmsk.dtb; fi; if test $board_name = A335BONE; then setenv fdtfile am335x-bone.dtb; fi; if test $board_name = A335BNLT; then setenv fdtfile am335x-boneblack.dtb; fi importbootenv=echo Importing environment from mmc ...; env import -t $loadaddr $filesize kloadaddr=0x80007fc0 loadaddr=0x80200000 loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv} loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile} loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz loaduimage=load mmc ${bootpart} ${kloadaddr} ${bootdir}/${bootfile} mmcargs=setenv bootargs console=${console} ${optargs} root=${mmcroot} rootfstype=${mmcrootfstype} mmcboot=echo Booting from mmc ...; run mmcargs; bootm ${kloadaddr} - ${fdtaddr} mmcdev=0 mmcroot=/dev/mmcblk0p2 ro mmcrootfstype=ext4 rootwait mtdids=nand0=omap2-nand.0 mtdparts=mtdparts=omap2-nand.0:128k(SPL),128k(SPL.backup1),128k(SPL.backup2),128k(SPL.backup3),1920k(u-boot),128k(u-boot-env),5m(kernel),-(rootfs) nandargs=setenv bootargs console=${console} ${optargs} root=${nandroot} rootfstype=${nandrootfstype} nandboot=echo Booting from nand ...; run nandargs; nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; bootm ${loadaddr} nandimgsize=0x500000 nandroot=ubi0:rootfs rw ubi.mtd=7,2048 nandrootfstype=ubifs rootwait=1 nandsrcaddr=0x280000 netargs=setenv bootargs console=${console} ${optargs} root=/dev/nfs nfsroot=${serverip}:${rootpath},${nfsopts} rw ip=dhcp netboot=echo Booting from network ...; setenv autoload no; dhcp; tftp ${loadaddr} ${bootfile}; tftp ${fdtaddr} ${fdtfile}; run netargs; bootm ${loadaddr} - ${fdtaddr} nfsopts=nolock ramargs=setenv bootargs console=${console} ${optargs} root=${ramroot} rootfstype=${ramrootfstype} ramboot=echo Booting from ramdisk ...; run ramargs; bootm ${loadaddr} ${rdaddr} ${fdtaddr} ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M ramrootfstype=ext2 rdaddr=0x81000000 rootpath=/export/rootfs soc=am33xx spiargs=setenv bootargs console=${console} ${optargs} root=${spiroot} rootfstype=${spirootfstype} spiboot=echo Booting from spi ...; run spiargs; sf probe ${spibusno}:0; sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; bootm ${loadaddr} spibusno=0 spiimgsize=0x362000 spiroot=/dev/mtdblock4 rw spirootfstype=jffs2 spisrcaddr=0xe0000 static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off stderr=serial stdin=serial stdout=serial usbnet_devaddr=c8:a0:30:ac:e0:ef vendor=ti ver=U-Boot 2013.04-dirty (Jun 19 2013 - 09:57:14) Environment size: 3877/131068 bytes