[PATCH v4 00/16] Introduce initial TI's J784S4 and AM69 support

[Enric Balletbo i Serra]

Hi Maxime


On Wed, Nov 15, 2023 at 2:54 PM Maxime Ripard <mripard at redhat.com> wrote:
>
> Hi,
>
> On Sun, Oct 01, 2023 at 10:25:29PM +0530, Apurva Nandan wrote:
> > This series will introduce basic support (SD and UART) support for Texas
> > Instruments J784S4 EVM.
> >
> > The J784S4 SoC device tree patches are taken from kernel patch submissions
> > and will be updated as they are accepted and merged to the kernel tree.
> > All other patches are specific to SPL and u-boot and do not have
> > dependency on other trees. Appreciate a review for acceptance to u-boot
> > tree.
> >
> > Here are some of the salient features of the J784S4 automotive grade
> > application processor:
> >
> > The J784S4 SoC belongs to the K3 Multicore SoC architecture
> > platform, providing advanced system integration in automotive,
> > ADAS and industrial applications requiring AI at the network edge.
> > This SoC extends the K3 Jacinto 7 family of SoCs with focus on
> > raising performance and integration while providing interfaces,
> > memory architecture and compute performance for multi-sensor, high
> > concurrency applications.
> >
> > Some highlights of this SoC are:
> > * Up to 8 Cortex-A72s, four clusters of lockstep capable dual Cortex-R5F MCUs,
> >   4 C7x floating point vector DSPs with Matrix Multiply Accelerator(MMA) for
> >   deep learning and CNN.
> > * 3D GPU: Automotive grade IMG BXS-4-64 MC1
> > * Vision Processing Accelerator (VPAC) with image signal processor and Depth
> >   and Motion Processing Accelerator (DMPAC)
> > * Three CSI2.0 4L RX plus two CSI2.0 4L TX, two DSI Tx, one eDP/DP and one
> >   DPI interface.
> > * Integrated gigabit ethernet switch, up to 8 ports (TDA4VH), two ports
> >   support 10Gb USXGMII; Two 4 lane PCIe-GEN3 controllers, USB3.0 Dual-role
> >   device subsystems, Up to 20 MCANs, among other peripherals.
> >
> > See J784S4 Technical Reference Manual (SPRUJ52 - JUNE 2022)
> > for further details: http://www.ti.com/lit/zip/spruj52
> >
> > In addtion, the J784S4 EVM board is designed for TI J784S4 SoC. It
> > supports the following interfaces:
> > * 32 GB DDR4 RAM
> > * x2 Gigabit Ethernet interfaces capable of working in Switch and MAC mode
> > * x1 Input Audio Jack, x1 Output Audio Jack
> > * x1 USB2.0 Hub with two Type A host and x1 USB 3.1 Type-C Port
> > * x2 4L PCIe connector
> > * x1 UHS-1 capable micro-SD card slot
> > * 512 Mbit OSPI flash, 1 Gbit Octal NAND flash, 512 Mbit QSPI flash,
> >   UFS flash.
> > * x6 UART through UART-USB bridge
> > * XDS110 for onboard JTAG debug using USB
> > * Temperature sensors, user push buttons and LEDs
> > * 40-pin User Expansion Connector
> > * x2 ENET Expansion Connector, x1 GESI expander, x2 Display connector
> > * x1 15-pin CSI header
> > * x6 MCAN instances
>
> I've tested this series on top of 2024.01-rc2, and while it worked fine
> before, the (external) MMC is now broken:
>
> U-Boot SPL 2024.01-rc2-00021-g8e3ced8fbad8 (Nov 15 2023 - 12:07:18 +0100)
> SYSFW ABI: 3.1 (firmware rev 0x0009 '9.1.2--v09.01.02 (Kool Koala)')
> SPL initial stack usage: 13416 bytes
> Trying to boot from MMC2
> Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
> Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
> Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
> Loading Environment from nowhere... OK
> Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
> Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
> Starting ATF on ARM64 core...
>
> NOTICE:  BL31: v2.9(release):v2.9.0
> NOTICE:  BL31: Built : 12:07:09, Nov 15 2023
> I/TC:
> I/TC: OP-TEE version: 4.0.0 (gcc version 13.2.1 20230728 (Red Hat Cross 13.2.1-1) (GCC)) #1 Wed Nov 15 11:07:14 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 '9.1.2--v09.01.02 (Kool Koala)')
> I/TC: HUK Initialized
> I/TC: Activated SA2UL device
> I/TC: Enabled firewalls for SA2UL TRNG device
> I/TC: SA2UL TRNG initialized
> I/TC: SA2UL Drivers initialized
> I/TC: Primary CPU switching to normal world boot
>
> U-Boot SPL 2024.01-rc2-00021-g8e3ced8fbad8 (Nov 15 2023 - 12:07:30 +0100)
> SYSFW ABI: 3.1 (firmware rev 0x0009 '9.1.2--v09.01.02 (Kool Koala)')
> Trying to boot from MMC2
> Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
> Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
>
>
> U-Boot 2024.01-rc2-00021-g8e3ced8fbad8 (Nov 15 2023 - 12:07:30 +0100)
>
> SoC:   J784S4 SR1.0 HS-FS
> Model: Texas Instruments J784S4 EVM

Maybe something changed but I'm surprised about it reporting an EVM
board. I was expecting something like

Model: Texas Instruments AM69 SK
Board: AM69-SK rev E2

Did you use the am69_sk_a72/r5  defconfigs?

> DRAM:  32 GiB
> Core:  90 devices, 31 uclasses, devicetree: separate
> Flash: 0 Bytes
> MMC:   mmc at 4f80000: 0, mmc at 4fb0000: 1
> Loading Environment from nowhere... OK
> In:    serial at 2880000
> Out:   serial at 2880000
> Err:   serial at 2880000
> am65_cpsw_nuss ethernet at 46000000: K3 CPSW: nuss_ver: 0x6BA02102 cpsw_ver: 0x6BA82102 ale_ver: 0x00293904 Ports:1 mdio_freq:1000000
> Net:   eth0: ethernet at 46000000port@1
> Hit any key to stop autoboot:  0
> => boot
> i2c_write: error waiting for data ACK (status=0x116)
> pca953x gpio at 22: Error reading output register
> Card did not respond to voltage select! : -110
> mmc_init: -95, time 114
>
> Maxime