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AM625: SDK9.1 device tree question

Koichiro Tashiro
Mastermind 22945 points

Part Number: AM625

Hi,

My customer is using Linux SDK 9.1.
In u-boot device tree file, 
arch/arm/dts/k3-am625-sk-binman.dtsi
there are description like below.

&binman {
        ti-dm {
               filename = "ti-dm.bin";
               blob-ext {
                       filename = "ti-dm/am62xx/ipc_echo_testb_mcu1_0_release_strip.xer5f";
               };
        };

        fsstub-hs {
               filename = "fsstub.bin_hs";
               ti-secure-rom {
                       content = <&fsstub_hs_cert>;
                       core = "secure";
                       load = <0x40000>;
                       sw-rev = <CONFIG_K3_X509_SWRV>;
                       keyfile = "custMpk.pem";
                       countersign;
                       fsstub;
               };
               fsstub_hs_cert: fsstub-hs-cert.bin {
                       filename = "ti-sysfw/ti-fs-stub-firmware-am62x-hs-cert.bin";
                       type = "blob-ext";
                       optional;
               };
               fsstub_hs_enc: fsstub-hs-enc.bin {
                       filename = "ti-sysfw/ti-fs-stub-firmware-am62x-hs-enc.bin";
                       type = "blob-ext";
                       optional;
               };
        };


He wants to know the download URL for below two binaries.
ti-fs-stub-firmware-am62x-hs-enc.bin
ti-fs-stub-firmware-am62x-hs-cert.bin

Thanks and regards,
Koichiro Tashiro



  • 0
    TI__Guru 51898 points

    Hello Koichiro Tashiro,

    You may get a delayed reply as today is a holiday in Dallas.

    Regards,

    S.Anil.

  • +1
    TI__Guru 70392 points
    Koichiro Tashiro said:
    He wants to know the download URL for below two binaries.
    ti-fs-stub-firmware-am62x-hs-enc.bin
    ti-fs-stub-firmware-am62x-hs-cert.bin

    Those files are only applicable to "HS" devices and should be part of the 'AM62X-HS-RESTRICTED-SW' on TI's MySecure Software portal, once access is requested/granted.

    If you are building for HS-FS devices, you can ignore those files for the time being.

    Regards, Andreas

  • 0 in reply to Andreas Dannenberg
    TI__Mastermind 22945 points

    Hi Andreas,

    Thanks for your answer. This item is now closed.

    Thanks and regards,
    Koichiro Tashiro

  • 0 in reply to Koichiro Tashiro
    TI__Guru 70392 points

    Hi Tashiro-san,

    I happened to have a discussion about this topic today with one of our security experts and learned that those particular binary files are actually part of the public TI firmware repository, see https://git.ti.com/cgit/processor-firmware/ti-linux-firmware/tree/ti-sysfw?h=ti-linux-firmware .

    I also just double checked the AM62x SDK v9.1 contents, and the files are in there as well, please see below:

    a0797059@dasso:~/ti/ti-processor-sdk-linux-am62xx-evm-09.01.00.08/board-support/prebuilt-images/am62xx-evm
$ ll ti-sysfw/
total 472
drwxr-xr-x 2 a0797059 a0797059   4096 Dec 14 03:18 ./
drwxr-xr-x 4 a0797059 a0797059   4096 Dec 14 03:18 ../
-rw-r--r-- 1 a0797059 a0797059 131072 Dec 14 03:18 ti-fs-firmware-am62x-gp.bin
-rw-r--r-- 1 a0797059 a0797059   1684 Dec 14 03:18 ti-fs-firmware-am62x-hs-cert.bin
-rw-r--r-- 1 a0797059 a0797059 131104 Dec 14 03:18 ti-fs-firmware-am62x-hs-enc.bin
-rw-r--r-- 1 a0797059 a0797059   1684 Dec 14 03:18 ti-fs-firmware-am62x-hs-fs-cert.bin
-rw-r--r-- 1 a0797059 a0797059 131104 Dec 14 03:18 ti-fs-firmware-am62x-hs-fs-enc.bin
-rw-r--r-- 1 a0797059 a0797059  28672 Dec 14 03:18 ti-fs-stub-firmware-am62x-gp.bin
-rw-r--r-- 1 a0797059 a0797059   1683 Dec 14 03:18 ti-fs-stub-firmware-am62x-hs-cert.bin
-rw-r--r-- 1 a0797059 a0797059  28704 Dec 14 03:18 ti-fs-stub-firmware-am62x-hs-enc.bin

    As for our HS-FS and HS device offerings in general, I believe now almost everything has moved "public" except some very specific tools like "OTP Keywriter" and a few pieces of documentation.

    Regards, Andreas