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ARM Boot magic address

WilliamV
Prodigy 100 points
Other Parts Discussed in Thread: TCI6630K2L

Hello,

I am working on an ARM application, and I would like to start the secondary ARM core. I use the TCI6630K2L platform, with two ARM Cortex A15.

In the datasheet and the ARM bootloader documentation, I do not found the boot magic address for the ARM core. It is ok for the DSP, but not for the ARM.

Do you have more information about this for the K2L processor?


Regards,

William

  • 0
    TI__Mastermind 28085 points

    Hi,

    Welcome to the TI E2E forum. I hope you will find many good answers here and in the TI.com documents and in the TI Wiki Pages (for processor issues). Be sure to search those for helpful information and to browse for the questions others may have asked on similar topics (e2e.ti.com).

    Thanks.

  • 0
    TI__Genius 12320 points

    Hi William,

    The ARM magic addresses are: 0x0c1ad000 for ARM0 and 0x0c1ad004 for ARM1.

    Let us know if you need more assistance.

    Regards,

    Mike

  • 0 in reply to Michael Scherban
    Prodigy 100 points
    Thank you for your reply.

    I tried with this addresses, but my application seems not working, I have to investigate on it.
    Where did you find this addresses?

    Perhaps my method is not right. Currently, I set the boot magic address, set the IPCGR9 (with lock/unlock KICK) to 1, and I send a "sev" command.

    Regards,
    William
  • 0 in reply to WilliamV
    TI__Genius 12320 points

    Hi William,

    You may have to power up the secondary core after filling in your magic address.  Try this:

    #define TETRIS_BASE                 0x01E80000
#define TETRIS_PTCMD_CPU(X)         *(unsigned int*)(TETRIS_BASE + 0x400 + (X * 0xC))
#define TETRIS_PDSTAT_CPU(X)         *(unsigned int*)(TETRIS_BASE + 0x404 + (X * 0xC))
#define TETRIS_PDCTL_CPU(X)         *(unsigned int*)(TETRIS_BASE + 0x408 + (X * 0xC))

        //power on ARM Core(corenum)
        TETRIS_PDCTL_CPU(corenum)   = 0x00000000;
        TETRIS_PTCMD_CPU(corenum)   = 0x00000001;

    Regards,

    Mike

  • 0 in reply to Michael Scherban
    Prodigy 100 points

    Now, the ARM1 core is activated and powered, I can acces to it through a debug session.

    But, the core does not start on the entry point, I think is in the RBL.

    See what I am doing in my code.

    #define ARM_BOOT_MAGIC_0        0x0c1ad000
#define ARM_BOOT_MAGIC_1        0x0c1ad004
#define ARM_IPC_0               0x02620260
#define ARM_IPC_1               0x02620264

/* Unlock KICK */

*(volatile uint32_t *) ARM_BOOT_MAGIC_1 = entry_addr;

/* Power Up */

*(volatile uint32_t *) ARM_IPC_1 |= 1u;

/* Lock KICK */

    Regards,

    William

  • 0 in reply to WilliamV
    TI__Genius 12320 points
    Hi William,
    I think I gave you the wrong magic addresses. Try: 0x0c1d2500 and 0x0c1d2504.

    The ones I gave you are for a similar processor.

    Regards.
    Mike
  • 0 in reply to Michael Scherban
    Prodigy 100 points
    Thank you, it is working!

    Just for information, the ARM 1 core does not need IPC to start at the boot magic address. Just after the power up, the core use directly the boot magic address, it does not wait for an interrupt.

    Regards,
    William