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From: Neil Armstrong <narmstrong@baylibre.com>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Krzysztof Michonski <michonskikrzysztof@gmail.com>
Cc: khilman@baylibre.com, linux-amlogic@lists.infradead.org,
	afenkart@gmail.com, devicetree@vger.kernel.org
Subject: Re: [PATCH 1/2] meson_sm: Extend meson_sm driver to be compatible with gxl chip
Date: Fri, 14 Jun 2019 11:23:35 +0200	[thread overview]
Message-ID: <3421cf72-62ce-cf24-4163-8896660b7b5c@baylibre.com> (raw)
In-Reply-To: <CAFBinCDKPTBwhG-PGFoz25iDq5-DfMT3y3b=k1VJ7MFPnwezFA@mail.gmail.com>

On 07/06/2019 22:27, Martin Blumenstingl wrote:
> Hi Krzysztof,
> 
> On Thu, Jun 6, 2019 at 3:24 PM Krzysztof Michonski
> <michonskikrzysztof@gmail.com> wrote:
> [...]
>> +struct meson_sm_chip gxl_chip = {
>> +       .shmem_size             = SZ_4K,
>> +       .cmd_shmem_in_base      = 0x82000023,
>> +       .cmd_shmem_out_base     = 0x82000024,
> where did you get these values from and/or what issues did you see
> with the values from GXBB?
> 
> I checked Amlogic's buildroot kernel whether they are doing something similar:
> $ grep in_base_func
> buildroot-openlinux-A113-201901/kernel/aml-4.9/arch/arm64/boot/dts/amlogic/mesong*.dtsi
> | cut -d':' -f2 | sort -u
>                 in_base_func = <0x82000020>;
> that includes GXL, GXM, G12A and G12B. however, I admit that I didn't
> have time to test your patch yet (so it may be just fine and the
> vendor kernel is buggy)

Same question from me, we've been using the same shmem address on GXL for years now
without any issues, can you elaborate ?

Neil

> 
> 
> Martin
> 
> _______________________________________________
> linux-amlogic mailing list
> linux-amlogic@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-amlogic
> 


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  reply	other threads:[~2019-06-14  9:23 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-06 13:24 [PATCH 1/2] meson_sm: Extend meson_sm driver to be compatible with gxl chip Krzysztof Michonski
2019-06-06 13:24 ` [PATCH 2/2] Enable secure monitor on gxl Krzysztof Michonski
2019-06-06 20:02   ` Martin Blumenstingl
     [not found]     ` <CAOiNxGD2OLwbHhUWuvOV6H0woQEOuk10_t-PTfqvMKNu_tTn4Q@mail.gmail.com>
2019-06-07 20:23       ` Martin Blumenstingl
2019-06-07 20:27 ` [PATCH 1/2] meson_sm: Extend meson_sm driver to be compatible with gxl chip Martin Blumenstingl
2019-06-14  9:23   ` Neil Armstrong [this message]
2019-06-17  8:28     ` Krzysztof Michoński

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