From: Neil Armstrong <narmstrong@baylibre.com>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: ARM core blob list
Date: Wed, 25 Sep 2019 11:28:09 +0200 [thread overview]
Message-ID: <6e6ed292-90e0-3cd1-7919-62a02b69f068@baylibre.com> (raw)
In-Reply-To: <7c52fab5-825a-b019-ec46-6fb731336cfe@ehayq.am>
Hi,
On 20/09/2019 12:15, Sergey Brutyan wrote:
> Dear all we are company of hard/soft design and integration mostly based
> on ARM cores.
> We are currently working on Libre Linux development for ARM based SBC.
>
> And ready to put professional effort for having complete blob-free Linux
> kernel, as we have done research there is most problem with bootloaders
> and Mali or PowerVR GPU units in SoC.
>
> We are looking forward to cooperate and now have several need of
> information.
>
> Can you send us list for blob drivers for this SoC:
>
> Allwinner A20
> Allwinner R40
> Broadcom BCM2837
> Realtek RTD1395
> MediaTek MT7623N
>
>
> And also please offer us which is the best SoC for blob-free linux
> development.
off topic, but I can answer for the Amlogic S905/S905X/S905D/S912/S905X2/S905D2/S922X/A113D/S905X3/S905D3 :
- S905/S905X/S905D/S912
U-Boot support is blob free, full upstream
Linux support is fully upstream
SCPI firmware for DVFS, loaded by TF-A to SCP Co-Coprocessor
PSCI firmware for System Management, but BL31 has been reverse engineered and pushed to official TF-A repos, only BL2, BL30 and BL301 are still closed source
GPU can use the FOSS Lima (Panfrost for S912) driver
HW Video Decoder needs a firmware to be loaded
- S905X2/S905D2/S922X/A113D/S905X3/S905D3
U-Boot support is blob free, full upstream
Linux support is fully upstream
DVFS is blob-free, handled by Linux
PSCI firmware for System Management, but BL31 is being reverse engineered and pushed to official TF-A repos, only BL2, DDR setup firmwares, BL30 and BL301 are still closed source
GPU is BLOB Only
HW Video Decoder needs a firmware to be loaded
Neil
>
> Best regards. Sergey.
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
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next prev parent reply other threads:[~2019-09-25 9:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-20 10:15 ARM core blob list Sergey Brutyan
2019-09-20 16:36 ` Stefan Wahren
2019-09-24 11:06 ` Petr Tesarik
2019-09-25 9:28 ` Neil Armstrong [this message]
2019-09-25 11:02 ` Maxime Ripard
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