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verdin-am62.rst

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.. sectionauthor:: Marcel Ziswiler <marcel.ziswiler@toradex.com>

Verdin AM62 Module

Quick Start

  • Get the binary-only SYSFW
  • Get binary-only TI Linux firmware
  • Build the ARM trusted firmware binary
  • Build the OPTEE binary
  • Build U-Boot for the R5
  • Build U-Boot for the A53
  • Flash to eMMC
  • Boot

For an overview of the TI AM62 SoC boot flow please head over to: :doc:`../ti/am62x_sk`

Sources:

Build procedure:

  1. Setup the environment variables:

Set the variables corresponding to this platform:

$ export UBOOT_CFG_CORTEXR=verdin-am62_r5_defconfig
$ export UBOOT_CFG_CORTEXA=verdin-am62_a53_defconfig
$ export TFA_BOARD=lite
$ # we don't use any extra TFA parameters
$ unset TFA_EXTRA_ARGS
$ export OPTEE_PLATFORM=k3-am62x
$ export OPTEE_EXTRA_ARGS="CFG_WITH_SOFTWARE_PRNG=y"

Flash to eMMC

=> mmc dev 0 1
=> fatload mmc 1 ${loadaddr} tiboot3.bin
=> mmc write ${loadaddr} 0x0 0x400
=> fatload mmc 1 ${loadaddr} tispl.bin
=> mmc write ${loadaddr} 0x400 0x1000
=> fatload mmc 1 ${loadaddr} u-boot.img
=> mmc write ${loadaddr} 0x1400 0x2000

As a convenience, instead of having to remember all those addresses and sizes, one may also use the update U-Boot wrappers:

> tftpboot ${loadaddr} tiboot3-am62x-gp-verdin.bin
> run update_tiboot3

> tftpboot ${loadaddr} tispl.bin
> run update_tispl

> tftpboot ${loadaddr} u-boot.img
> run update_uboot

Boot

Output:

U-Boot SPL 2023.10-rc1-00210-gb678170a34c (Aug 03 2023 - 00:09:14 +0200)
SYSFW ABI: 3.1 (firmware rev 0x0009 '9.0.1--v09.00.01 (Kool Koala)')
SPL initial stack usage: 13368 bytes
Trying to boot from MMC1
Authentication passed
Authentication passed
Authentication passed
Authentication passed
Authentication passed
Starting ATF on ARM64 core...

NOTICE:  BL31: v2.9(release):v2.9.0-73-g463655cc8
NOTICE:  BL31: Built : 14:51:42, Jun  5 2023
I/TC:
I/TC: OP-TEE version: 3.21.0-168-g322cf9e33 (gcc version 12.2.1 20221205 (Arm GNU Toolchain 12.2.Rel1 (Build arm-12.24))) #2 Mon Jun  5 13:04:15 UTC 2023 aarch64
I/TC: WARNING: This OP-TEE configuration might be insecure!
I/TC: WARNING: Please check https://optee.readthedocs.io/en/latest/architecture/porting_guidelines.html
I/TC: Primary CPU initializing
I/TC: SYSFW ABI: 3.1 (firmware rev 0x0009 '9.0.1--v09.00.01 (Kool Koala)')
I/TC: HUK Initialized
I/TC: Primary CPU switching to normal world boot

U-Boot SPL 2023.10-rc1-00210-gb678170a34c (Aug 03 2023 - 00:09:41 +0200)
SYSFW ABI: 3.1 (firmware rev 0x0009 '9.0.1--v09.00.01 (Kool Koala)')
SPL initial stack usage: 1840 bytes
Trying to boot from MMC1
Authentication passed
Authentication passed


U-Boot 2023.10-rc1-00210-gb678170a34c (Aug 03 2023 - 00:09:41 +0200)

SoC:   AM62X SR1.0 HS-FS
DRAM:  2 GiB
Core:  136 devices, 28 uclasses, devicetree: separate
MMC:   mmc@fa10000: 0, mmc@fa00000: 1
Loading Environment from MMC... OK
In:    serial@2800000
Out:   serial@2800000
Err:   serial@2800000
Model: Toradex 0076 Verdin AM62 Quad 2GB WB IT V1.0A
Serial#: 15037380
Carrier: Toradex Verdin Development Board V1.1A, Serial# 10754333
am65_cpsw_nuss ethernet@8000000: K3 CPSW: nuss_ver: 0x6BA01103 cpsw_ver: 0x6BA81103 ale_ver: 0x00290105 Ports:2 mdio_freq:1000000
Setting variant to wifi
Net:
Warning: ethernet@8000000port@1 MAC addresses don't match:
Address in ROM is             1c:63:49:22:5f:f9
Address in environment is     00:14:2d:e5:73:c4
eth0: ethernet@8000000port@1 [PRIME], eth1: ethernet@8000000port@2
Hit any key to stop autoboot:  0
Verdin AM62 #