From: Marek Vasut <marex@denx.de>
To: Adam Ford <aford173@gmail.com>
Cc: U-Boot Mailing List <u-boot@lists.denx.de>,
Fabio Estevam <festevam@gmail.com>, Peng Fan <peng.fan@nxp.com>,
Stefano Babic <sbabic@denx.de>
Subject: Re: [PATCH 3/3] imx: power-domain: Get rid of SMCCC dependency
Date: Mon, 4 Apr 2022 16:25:27 +0200 [thread overview]
Message-ID: <05868c8e-cb2a-71f7-6668-e0f289bf4ca8@denx.de> (raw)
In-Reply-To: <CAHCN7xK-sSF0Oa1iM-Vp27pEObokrP1DRBBoasJdH5mKL4VdMA@mail.gmail.com>
On 4/4/22 16:15, Adam Ford wrote:
> On Mon, Apr 4, 2022 at 8:01 AM Marek Vasut <marex@denx.de> wrote:
>>
>> On 4/4/22 14:51, Adam Ford wrote:
>>> On Wed, Mar 30, 2022 at 10:04 PM Marek Vasut <marex@denx.de> wrote:
>>>>
>>>> This driver is the only SMCCC dependency in iMX8M U-Boot port. Rework
>>>> the driver based on Linux GPCv2 driver to directly control the GPCv2
>>>> block instead of using SMCCC calls. This way, U-Boot can operate the
>>>> i.MX8M power domains without depending on anything else.
>>>>
>>>> This is losely based on Linux GPCv2 driver. The GPU, VPU, MIPI power
>>>> domains are not supported to save space, since they are not useful in
>>>> the bootloader. The only domains kept are ones for HSIO, PCIe, USB.
>>>
>>> I thought there were people who were using video in U-Boot, but maybe
>>> I am wrong.
>>
>> There are no video drivers for MX8M in U-Boot, it's all USB and maybe
>> sometimes in the future PCIe.
>
> Oh good.
>
> I'll try to test it on an imx8mq when I get some time.
The entire stack of patches is at:
https://source.denx.de/u-boot/custodians/u-boot-usb/-/commits/imx-8mp
next prev parent reply other threads:[~2022-04-04 14:25 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-31 3:03 [PATCH 1/3] imx: power-domain: Descend into pgc subnode if present Marek Vasut
2022-03-31 3:03 ` [PATCH 2/3] imx: power-domain: Inline arch-imx8m/power-domain.h Marek Vasut
2022-03-31 3:03 ` [PATCH 3/3] imx: power-domain: Get rid of SMCCC dependency Marek Vasut
2022-04-04 12:51 ` Adam Ford
2022-04-04 13:01 ` Marek Vasut
2022-04-04 14:15 ` Adam Ford
2022-04-04 14:25 ` Marek Vasut [this message]
2022-04-05 20:14 ` Tim Harvey
2022-04-05 23:00 ` Marek Vasut
2022-04-06 12:22 ` Adam Ford
2022-04-06 12:27 ` Fabio Estevam
2022-04-06 12:40 ` Adam Ford
2022-04-06 13:13 ` Marek Vasut
2022-04-17 22:02 ` Adam Ford
2022-04-07 22:21 ` Tim Harvey
2022-04-16 20:49 ` Adam Ford
2022-04-17 0:35 ` Marek Vasut
2022-04-17 1:01 ` Adam Ford
2022-04-17 2:13 ` Marek Vasut
2022-04-17 13:21 ` Adam Ford
2022-04-17 15:16 ` Marek Vasut
2022-04-17 16:37 ` Adam Ford
2022-04-17 18:15 ` Marek Vasut
2022-04-17 18:24 ` Adam Ford
2022-04-17 21:37 ` Marek Vasut
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