From: Christian Hewitt <christianshewitt@gmail.com>
To: Vyacheslav <adeep@lexina.in>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Kevin Hilman <khilman@baylibre.com>,
Neil Armstrong <narmstrong@baylibre.com>,
devicetree <devicetree@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] arm64: dts: meson-gx: add ATF BL32 reserved-memory region
Date: Wed, 26 Jan 2022 11:12:42 +0400 [thread overview]
Message-ID: <343C247D-4F10-4E88-B971-5A1F41A2C892@gmail.com> (raw)
In-Reply-To: <a279c365-0615-1c7f-5596-dec9ad1c8229@lexina.in>
> On 26 Jan 2022, at 9:35 am, Vyacheslav <adeep@lexina.in> wrote:
>
> Hi!
>
> 26.01.2022 07:49, Christian Hewitt wrote:
>> Add an additional reserved memory region for the BL32 trusted firmware
>> present in many devices that boot from Amlogic vendor u-boot.
>> Suggested-by: Mateusz Krzak <kszaquitto@gmail.com>
>> Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
>> ---
>> arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 6 ++++++
>> 1 file changed, 6 insertions(+)
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
>> index 6b457b2c30a4..aa14ea017a61 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
>> +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
>> @@ -49,6 +49,12 @@
>> no-map;
>> };
>> + /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
>> + secmon_reserved_bl32: secmon@5300000 {
>> + reg = <0x0 0x05300000 0x0 0x2000000>;
>> + no-map;
>> + };
>> +
> How do I check if we need a similar patch for axg boards?
Are they booting using Amlogic (vendor) u-boot sources that
include bl32.img in the FIP signing recipe?
If booting from upstream u-boot, like JetHome boards, it’s
nothing to worry about.
Christian
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next prev parent reply other threads:[~2022-01-26 7:13 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-26 4:49 [PATCH 0/3] arm64: dts: meson: add ATF BL32 reserved-memory regions Christian Hewitt
2022-01-26 4:49 ` [PATCH 1/3] arm64: dts: meson-gx: add ATF BL32 reserved-memory region Christian Hewitt
2022-01-26 5:35 ` Vyacheslav
2022-01-26 7:12 ` Christian Hewitt [this message]
2022-01-27 10:44 ` Neil Armstrong
2022-01-27 10:46 ` Neil Armstrong
2022-01-26 4:49 ` [PATCH 2/3] arm64: dts: meson-g12: " Christian Hewitt
2022-01-27 10:46 ` Neil Armstrong
2022-01-26 4:49 ` [PATCH 3/3] arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610 Christian Hewitt
2022-01-27 10:46 ` Neil Armstrong
2022-02-01 19:04 ` [PATCH 0/3] arm64: dts: meson: add ATF BL32 reserved-memory regions Kevin Hilman
2022-02-04 8:23 ` Neil Armstrong
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