Difference between revisions of "iMX6 Rex Ultra U-Boot"
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| − | [[Category:iMX6 Rex Development | + | [[Category:iMX6 Rex Development Kit]] |
[[Category:iMX6 Rex Ultra]] | [[Category:iMX6 Rex Ultra]] | ||
| − | [[Category:U- | + | [[Category:U-Boot]] |
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<div style="float:right">__TOC__</div> | <div style="float:right">__TOC__</div> | ||
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tftp 0x10800000 imx6/u-boot-imx6-rex*.imx | tftp 0x10800000 imx6/u-boot-imx6-rex*.imx | ||
if sf probe 2:2; then sf erase 0x0 0x80000; sf write 0x10800000 0x400 0x7fc00; fi | if sf probe 2:2; then sf erase 0x0 0x80000; sf write 0x10800000 0x400 0x7fc00; fi | ||
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</syntaxhighlight> | </syntaxhighlight> | ||
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CPU: Temperature 42 C | CPU: Temperature 42 C | ||
Reset cause: WDOG | Reset cause: WDOG | ||
| − | Board: MX6 Rex - | + | Board: MX6 Rex - ultra |
I2C: ready | I2C: ready | ||
DRAM: 2 GiB | DRAM: 2 GiB | ||
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Rex U-Boot > setenv serverip 192.168.1.1 | Rex U-Boot > setenv serverip 192.168.1.1 | ||
Rex U-Boot > mw.b 0x10800000 0xFF 0x80000 | Rex U-Boot > mw.b 0x10800000 0xFF 0x80000 | ||
| − | Rex U-Boot > tftp 0x10800000 imx6/u-boot-imx6- | + | Rex U-Boot > tftp 0x10800000 imx6/u-boot-imx6-rexultra.imx |
Using FEC device | Using FEC device | ||
TFTP from server 192.168.1.1; our IP address is 192.168.1.150 | TFTP from server 192.168.1.1; our IP address is 192.168.1.150 | ||
| − | Filename 'imx6/u-boot-imx6- | + | Filename 'imx6/u-boot-imx6-rexultra.imx'. |
Load address: 0x10800000 | Load address: 0x10800000 | ||
Loading: ####################### | Loading: ####################### | ||
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SF: 523264 bytes @ 0x400 Written: OK | SF: 523264 bytes @ 0x400 Written: OK | ||
Rex U-Boot > | Rex U-Boot > | ||
| + | </syntaxhighlight> | ||
| + | |||
| + | ==== Flash image into SATA ==== | ||
| + | <syntaxhighlight lang="bash"> | ||
| + | setenv ipaddr 192.168.0.150 | ||
| + | setenv serverip 192.168.0.1 | ||
| + | tftp 0x177ff400 imx6/u-boot-imx6-rex*.bin | ||
| + | go 0x17800000 | ||
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| + | setenv ipaddr 192.168.0.150 | ||
| + | setenv serverip 192.168.0.1 | ||
| + | mw.b 0x10800000 0xFF 0x80000 | ||
| + | tftp 0x10800000 imx6/u-boot-imx6-rex*sata.imx | ||
| + | if sata init; then sata write 0x10800000 0x2 0x3ff; fi | ||
</syntaxhighlight> | </syntaxhighlight> | ||
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SF: 8192 bytes @ 0x80000 Erased: OK | SF: 8192 bytes @ 0x80000 Erased: OK | ||
Rex U-Boot > reset | Rex U-Boot > reset | ||
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Latest revision as of 09:56, 24 April 2022
U-Boot is a bootloader responsible for hardware initialization, loading and booting Linux kernel. It is also used for module flashing.
Build
Set toolchain
Export toolchain variables for every related terminal session.
Initial steps
Create working directory
mkdir -pv ~/workdir/imx6/bootloader/
U-Boot v2015.04
Download and extract source code
cd ~/workdir/imx6/bootloader/ git clone -b uboot-imx-v2015.04 --single-branch https://github.com/voipac/uboot-imx uboot-imx-v2015.04-rex cd uboot-imx-v2015.04-rex
Compile
Output file is called u-boot.imx. All the compiled images are intended for production usage.
Compile for SD and Linux/Yocto
cd ~/workdir/imx6/bootloader/uboot-imx-v2015.04-rex make distclean make mx6rexultra_config make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- cp u-boot.imx /srv/tftp/imx6/u-boot-imx6-rexultra.imx cp u-boot.bin /srv/tftp/imx6/u-boot-imx6-rexultra.bin
Compile for SATA and Linux/Yocto
cd ~/workdir/imx6/bootloader/uboot-imx-v2015.04-rex make distclean make mx6rexultrasata_config make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- cp u-boot.imx /srv/tftp/imx6/u-boot-imx6-rexultrasata.imx cp u-boot.bin /srv/tftp/imx6/u-boot-imx6-rexultrasata.bin
Compile for Android 7.x
cd ~/workdir/imx6/bootloader/uboot-imx-v2015.04-rex make distclean make mx6rexultraandroid_config make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- cp u-boot.imx /srv/tftp/imx6/u-boot-imx6-rexultraandroid.imx
How to Flash a new version
Flash image into SPI
setenv ipaddr 192.168.0.150 setenv serverip 192.168.0.1 tftp 0x177ff400 imx6/u-boot-imx6-rex*.bin go 0x17800000 setenv ipaddr 192.168.0.150 setenv serverip 192.168.0.1 mw.b 0x10800000 0xFF 0x80000 tftp 0x10800000 imx6/u-boot-imx6-rex*.imx if sf probe 2:2; then sf erase 0x0 0x80000; sf write 0x10800000 0x400 0x7fc00; fi
Flashing log:
U-Boot 2015.04-g3e8754e-dirty (May 08 2017 - 15:31:43)
CPU: Freescale i.MX6Q rev1.2 at 792 MHz
CPU: Temperature 42 C
Reset cause: WDOG
Board: MX6 Rex - ultra
I2C: ready
DRAM: 2 GiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1
SF: Detected SST25VF032B with page size 256 Bytes, erase size 4 KiB, total 4 MiB
In: serial
Out: serial
Err: serial
Fastboot: Normal
flash target is MMC:0
Bad partition index:5 for partition:system
Bad partition index:4 for partition:data
Net: FEC [PRIME]
Normal Boot
Hit any key to stop autoboot: 0
Rex U-Boot > setenv ipaddr 192.168.1.150
Rex U-Boot > setenv serverip 192.168.1.1
Rex U-Boot > mw.b 0x10800000 0xFF 0x80000
Rex U-Boot > tftp 0x10800000 imx6/u-boot-imx6-rexultra.imx
Using FEC device
TFTP from server 192.168.1.1; our IP address is 192.168.1.150
Filename 'imx6/u-boot-imx6-rexultra.imx'.
Load address: 0x10800000
Loading: #######################
2.9 MiB/s
done
Bytes transferred = 330752 (50c00 hex)
Rex U-Boot > sf probe 2:2;sf erase 0x0 0x80000;sf write 0x10800000 0x400 0x7fc00
SF: Detected SST25VF032B with page size 256 Bytes, erase size 4 KiB, total 4 MiB
SF: 524288 bytes @ 0x0 Erased: OK
SF: 523264 bytes @ 0x400 Written: OK
Rex U-Boot >
Flash image into SATA
setenv ipaddr 192.168.0.150 setenv serverip 192.168.0.1 tftp 0x177ff400 imx6/u-boot-imx6-rex*.bin go 0x17800000 setenv ipaddr 192.168.0.150 setenv serverip 192.168.0.1 mw.b 0x10800000 0xFF 0x80000 tftp 0x10800000 imx6/u-boot-imx6-rex*sata.imx if sata init; then sata write 0x10800000 0x2 0x3ff; fi
U-Boot v2014.10
Download and Extract source code
cd ~/workdir/imx6/bootloader/ git clone -b uboot-imx-v2014.10 --single-branch https://github.com/voipac/uboot-imx uboot-imx-v2014.10-rex cd uboot-imx-v2014.10-rex
Compile
Output file is called u-boot.imx. The compiled image is intended for production usage.
Compile for Linux/Yocto
cd ~/workdir/imx6/bootloader/uboot-imx-v2014.10-rex make distclean make mx6rexultra_config make cp u-boot.imx /srv/tftp/imx6/u-boot-imx6-rexultra.imx cp u-boot.bin /srv/tftp/imx6/u-boot-imx6-rexultra.bin
How to Flash a new version
setenv ipaddr 192.168.0.150 setenv serverip 192.168.0.1 tftp 0x177ff400 imx6/u-boot-imx6-rexultra.imx go 0x17800000 setenv ipaddr 192.168.0.150 setenv serverip 192.168.0.1 mw.b 0x10800000 0xFF 0x80000 tftp 0x10800000 imx6/u-boot-imx6-rexultra.imx sf probe 2:2;sf erase 0x0 0x80000;sf write 0x10800000 0x400 0x7fc00
Configure
Manually erase configuration
Rex U-Boot > sf probe 2:2 SF: Detected SST25VF032B with page size 256 Bytes, erase size 4 KiB, total 4 MiB Rex U-Boot > sf erase 0x80000 0x2000 SF: 8192 bytes @ 0x80000 Erased: OK Rex U-Boot > reset
Running bootloader from SD card
iMX6 Rex Modules are configured to boot from SPI flash memory by default using eFuses configuration. This setting can be overwritten by running a special firmware that must be stored into SPI flash memory:
setenv ipaddr 192.168.0.150 setenv serverip 192.168.0.1 mw.b 0x10800000 0xFF 0x80000 tftp 0x10800000 imx6/iMX6DQ_SPI_to_uSDHC3.bin sf probe 2:2 sf erase 0x0 0x80000 sf write 0x10800000 0x0 0x80000
Manually boot from SATA
mw.l 0x020d8040 0x00001020; mw.l 0x020d8044 0x10000000; reset