This how-to topic is applicable only for LSDK 18.09 and older releases.
For LSDK 18.12 and newer releases, refer LS1088ARDB-PB - How to deploy TF-A binaries in QSPI NOR flash.
Follow these steps to update the U-Boot binary in QSPI NOR flash.
qixis_reset boots the board from QSPI NOR flash0 and qixis_reset altbank boots the board from QSPI NOR flash1.
sf probe 0:1 means that the alternate bank will be written to. So, if the board boots from QSPI NOR flash0 and sf probe 0:1 is entered at the U-Boot prompt, the commands that follow will program QSPI NOR flash1.
Clone the u-boot repository compile the U-Boot binary for QSPI boot.
If the make command shows the error "*** Your GCC is older than 6.0 and is not supported", ensure that you are using Ubuntu 18.04 64-bit version for building LSDK 18.06 or LSDK 18.09 U-Boot binary.
The compiled U-Boot image, u-boot.bin, is available at u-boot/.
Flashing U-Boot binary to QSPI NOR flash
For example:
For LS1088ARDB, in boot log, you’ll see:
Board: LS1088A-RDB, Board Arch: V1, Board version: C, boot from QSPI:0
For LS1088ARDB-PB, in boot log, you'll see:
Board: LS1088ARDB-PB, Board Arch: V1, Board version: A, boot from QSPI:0
U-Boot image can be loaded to LS1088ARDB/LS1088ARDB-PB from a TFTP server or from a mass storage device (SD, USB, or SATA).
When board boots up, U-Boot prints a list of enabled Ethernet interfaces.
DPMAC1@xgmii, DPMAC2@xgmii, DPMAC3@qsgmii, DPMAC4@qsgmii, DPMAC5@qsgmii, DPMAC6@qsgmii, DPMAC7@qsgmii, DPMAC8@qsgmii, DPMAC9@qsgmii, DPMAC10@qsgmii
=> setenv serverip <ipaddress1>
Set ethact and ethprime as the Ethernet interface connected to the TFTP server.
See LS1088ARDB/LS1088RDB-PB Ethernet port mapping for the mapping of Ethernet port names appearing on the chassis front panel with the port names in U-Boot and Linux.
=> setenv ethprime <name of interface connected to TFTP server>
For example:
=> setenv ethprime DPMAC3@qsgmii
=> setenv ethact <name of interface connected to TFTP server>
For example:
=> setenv ethact DPMAC3@qsgmii
Static IP address assignment:
=> setenv ipaddr <ipaddress2>
=> setenv netmask <subnet mask>
Dynamic IP address assignment:
=> dhcp
=> ping $serverip
Using DPMAC3@qsgmii device
host 192.168.1.1 is alive
Flash U-Boot image:
filesize=aa4b4
Address 0x100000 is the location of U-Boot in QSPI NOR flash. For the complete flash memory layout for the PPA boot flow, refer Flash layout for old boot flow with PPA.
For LS1088ARDB, in boot log, you’ll see:
Board: LS1088A-RDB, Board Arch: V1, Board version: C, boot from QSPI:1
For LS1088ARDB-PB, in boot log, you'll see:
Board: LS1088ARDB-PB, Board Arch: V1, Board version: A, boot from QSPI:1
Ensure that SD card, USB flash drive, or SCSI hard disk installed with LSDK Ubuntu distribution is plugged into the board to boot the board to Ubuntu. If U-Boot does not find LSDK on a mass storage device, it will boot TinyDistro from lsdk_linux_arm64_ tiny.itb stored in QSPI NOR flash.
=> mmc rescan
=> mmc info
Or
=> usb start => usb info
Or
=> scsi scan
=> scsi info
=> ls mmc <device:partition>
For example:
=> ls mmc 0:2
Or
=> ls usb <device:partition>
For example:
=> ls usb 0:1
Or
=> ls scsi <device:partition>
For example:
=> ls scsi 0:2
=> load mmc 0:2 a0000000 <image name>
=> print filesize
For example:
=> load mmc 0:2 a0000000 u-boot.bin
=> print filesize
filesize=aaa34
Or
=> load usb 0:2 a0000000 <image name>
=> print filesize
Or
=> load scsi 0:2 a0000000 <image name>
=> print filesize
Program image to QSPI NOR flash: => sf erase 0x100000 +$filesize && sf write 0xa0000000 0x100000 $filesize
Address 0x100000 is the location of U-Boot in QSPI NOR flash. For the complete flash memory layout for the PPA boot flow, refer Flash layout for old boot flow with PPA.For LS1088ARDB, in boot log, you’ll see:
Board: LS1088A-RDB, Board Arch: V1, Board version: C, boot from QSPI:1
For LS1088ARDB-PB, in boot log, you'll see:
Board: LS1088ARDB-PB, Board Arch: V1, Board version: A, boot from QSPI:1
Ensure that SD card, USB flash drive, or SCSI hard disk installed with LSDK Ubuntu distribution is plugged into the board to boot the board to Ubuntu. If U-Boot does not find LSDK on a mass storage device, it will boot TinyDistro from lsdk_linux_arm64_ tiny.itb stored in QSPI NOR flash.