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OP-TEE on Juno

Contents

  1. Introduction
  2. Regular build
  3. Install files on the device

1. Introduction

The instructions here will tell how to run OP-TEE on the Juno board.

2. Regular build

Start out by following the "Get and build the solution" in the README.md file.

3. Install files on the device

Enter the firmware console on the juno board and press enter to stop the auto boot flow

ARM V2M_Juno Firmware v1.3.9
Build Date: Nov 11 2015

Time :  12:50:45
Date :  29:03:2016

Press Enter to stop auto boot...

Enable ftp at the firmware prompt

Cmd> ftp_on
Enabling ftp server...
 MAC address: xxxxxxxxxxxx

 IP address: 192.168.1.158

 Local host name = V2M-JUNO-A2

Flash the binary by running (note the IP address from above):

make JUNO_IP=192.168.1.158 flash

Once the binaries are transferred, reboot the board:

Cmd> reboot

3.1 Update flash and its layout

The flash in the board may need to be updated for the flashing above to work. If the flashing fails or if ARM-TF refuses to boot due to wrong version of the SCP binary the flash needs to be updated. To update the flash please follow the instructions at Using Linaro's deliverable on Juno selecting one of the zips under "4.1 Prebuilt configurations" flashing it as described under "5. Running the software".

3.2 GlobalPlatform testsuite support

Note! Depending on the Juno pre-built configuration, the built ramdisk.img size with GlobalPlatform testsuite may exceed its pre-defined Juno flash memory reserved location (image.txt file). In that case, you will need to extend the Juno flash block size reserved location for the ramdisk.img in the image.txt file accordingly and follow the instructions under "5.7.1 Update flash and its layout".

Example with juno-latest-busybox-uboot.zip:

The current ramdisk.img size with GlobalPlatform testsuite is 8.6 MBytes.

Updated file is /JUNO/SITE1/HBI0262B/images.txt (limited to 8.3 MB)
NOR4UPDATE: AUTO                 ;Image Update:NONE/AUTO/FORCE
NOR4ADDRESS: 0x01800000          ;Image Flash Address
NOR4FILE: \SOFTWARE\ramdisk.img  ;Image File Name
NOR4NAME: ramdisk.img
NOR4LOAD: 00000000               ;Image Load Address
NOR4ENTRY: 00000000              ;Image Entry Point
Extended to 16MB
NOR4UPDATE: AUTO                 ;Image Update:NONE/AUTO/FORCE
NOR4ADDRESS: 0x01000000          ;Image Flash Address
NOR4FILE: \SOFTWARE\ramdisk.img  ;Image File Name
NOR4NAME: ramdisk.img
NOR4LOAD: 00000000               ;Image Load Address
NOR4ENTRY: 00000000              ;Image Entry Point

3.3 GCC5.x support

Note :

In case you are using the Latest version of the ARM Juno board (this is juno.xml manifest), the built ramdisk.img size with GCC5 compiler, at the moment, exceeds its pre-defined Juno flash memory reserved location (image.txt file).

To solve this problem you will need to extend the Juno flash block size reserved location for the ramdisk.img and decrease the size for other images in the image.txt file accordingly and then follow the instructions under "3.2" above.

Example with juno-latest-busybox-uboot.zip:

The current ramdisk.img size with GCC5 compiler is 29.15 MBytes we will extend it to 32 MBytes. The only changes that you need to do are those in bold

File to update is /JUNO/SITE1/HBI0262B/images.txt
NOR2UPDATE: AUTO                 ;Image Update:NONE/AUTO/FORCE
NOR2ADDRESS: <b>0x00100000</b>          ;Image Flash Address
NOR2FILE: \SOFTWARE\Image        ;Image File Name
NOR2NAME: norkern                ;Rename kernel to norkern
NOR2LOAD: 00000000               ;Image Load Address
NOR2ENTRY: 00000000              ;Image Entry Point

NOR3UPDATE: AUTO                 ;Image Update:NONE/AUTO/FORCE
NOR3ADDRESS: <b>0x02C00000</b>          ;Image Flash Address
NOR3FILE: \SOFTWARE\juno.dtb     ;Image File Name
NOR3NAME: board.dtb              ;Specify target filename to preserve file extension
NOR3LOAD: 00000000               ;Image Load Address
NOR3ENTRY: 00000000              ;Image Entry Point

NOR4UPDATE: AUTO                 ;Image Update:NONE/AUTO/FORCE
NOR4ADDRESS: <b>0x00D00000</b>          ;Image Flash Address
NOR4FILE: \SOFTWARE\ramdisk.img  ;Image File Name
NOR4NAME: ramdisk.img
NOR4LOAD: 00000000               ;Image Load Address
NOR4ENTRY: 00000000              ;Image Entry Point

NOR5UPDATE: AUTO                 ;Image Update:NONE/AUTO/FORCE
NOR5ADDRESS: <b>0x02D00000</b>          ;Image Flash Address
NOR5FILE: \SOFTWARE\hdlcdclk.dat ;Image File Name
NOR5LOAD: 00000000               ;Image Load Address
NOR5ENTRY: 00000000              ;Image Entry Point