* Re: Habanalabs, Ask for the linux firmware code which loads by coprocesseor
[not found] <20211207071830.GA14915@chq-T47>
@ 2021-12-09 12:23 ` Oded Gabbay
2021-12-10 12:54 ` Cai Huoqing
0 siblings, 1 reply; 2+ messages in thread
From: Oded Gabbay @ 2021-12-09 12:23 UTC (permalink / raw)
To: Cai Huoqing; +Cc: Linux-Kernel@Vger. Kernel. Org, Maling list - DRI developers
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Habanalabs, Ask for the linux firmware code which loads by coprocesseor
2021-12-09 12:23 ` Habanalabs, Ask for the linux firmware code which loads by coprocesseor Oded Gabbay
@ 2021-12-10 12:54 ` Cai Huoqing
0 siblings, 0 replies; 2+ messages in thread
From: Cai Huoqing @ 2021-12-10 12:54 UTC (permalink / raw)
To: Oded Gabbay; +Cc: Linux-Kernel@Vger. Kernel. Org, Maling list - DRI developers
On 09 12月 21 14:23:45, Oded Gabbay wrote:
> 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
Thanks, that's what I need, pretty nice code!
And I will be glad to see you taking it into the linux mailine soon.
Thanks,
Cai
>
> >
> > BTW, where can I find the register description datasheet
> We don't supply this information.
> Thanks,
> Oded
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-12-09 12:23 ` Habanalabs, Ask for the linux firmware code which loads by coprocesseor Oded Gabbay
2021-12-10 12:54 ` Cai Huoqing
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