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SubjectRe: Habanalabs, Ask for the linux firmware code which loads by coprocesseor
On Tue, Dec 7, 2021 at 9:19 AM Cai Huoqing <cai.huoqing@linux.dev> wrote:
>
> Hi Oded Gabbay and habanalabs folks.
>
> I'm insterested in this kind of AI acceralator.
>
> After scanning the driver code.
> It seems that there are a linux firmware which is loaded by
> coprocessor(an slave cpu ?).
> shows in the code.
>
> ./goya/goya.c:74:#define GOYA_LINUX_FW_FILE "habanalabs/goya/goya-fit.itb"
> ./goya/goya.c:2436: return hl_fw_load_fw_to_device(hdev, GOYA_LINUX_FW_FILE, dst, 0, 0);
> ./goya/goya.c:2507: fw_loader->linux_img.image_name = GOYA_LINUX_FW_FILE;
> ./gaudi/gaudi.c:63:#define GAUDI_LINUX_FW_FILE "habanalabs/gaudi/gaudi-fit.itb"
> ./gaudi/gaudi.c:3945: return hl_fw_load_fw_to_device(hdev, GAUDI_LINUX_FW_FILE, dst, 0, 0);
> ./gaudi/gaudi.c:4011: fw_loader->linux_img.image_name = GAUDI_LINUX_FW_FILE;
>
> And the host driver(/driver/misc/habanalabs) communicate with the slave firmware
> by MMIO or share memory, right?
>
> If that, would you mind provide the source code of linux firmware
> to avoid the confusion from code reading.
Hi Cai,

You can download the source code from:
https://vault.habana.ai/artifactory/misc/hl-linux.bz2

>
> BTW, where can I find the register description datasheet
We don't supply this information.
Thanks,
Oded

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