From: Lokesh Vutla <lokeshvutla@ti.com>
To: Aswath Govindraju <a-govindraju@ti.com>
Cc: Vignesh Raghavendra <vigneshr@ti.com>, Suman Anna <s-anna@ti.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] arm64: dts: ti: k3-am64-main: Update the location of ATF in SRAM and increase its max size
Date: Wed, 9 Jun 2021 20:54:19 +0530 [thread overview]
Message-ID: <50bb1f20-ccca-fe94-eac1-70ac83bc004d@ti.com> (raw)
In-Reply-To: <b709d5a8-17dd-37e7-405a-35f39f84878b@ti.com>
On 09/06/21 8:52 pm, Aswath Govindraju wrote:
> Hi Lokesh,
>
> On 09/06/21 7:59 pm, Lokesh Vutla wrote:
>>
>>
>> On 07/06/21 7:08 pm, Aswath Govindraju wrote:
>>> Due to a limitation for USB DFU boot mode, SPL load address has to be less
>>> than or equal to 0x70001000. So, load address of SPL and ATF have been
>>> moved to 0x70000000 and 0x701a0000 respectively.
>>>
>>> Also, the maximum size of ATF has been increased to 0x1c000 [1].
>>>
>>> Therefore, update ATF's location and maximum size accordingly in the device
>>> tree file.
>>>
>>> [1] - https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/commit/?id=2fb5312f61a7de8b7a70e1639199c4f14a10b6f9
>>>
>>> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
>>> ---
>>> arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 4 ++--
>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
>>> index ca59d1f711f8..fcd12b6f10f6 100644
>>> --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
>>> +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
>>> @@ -13,8 +13,8 @@
>>> #size-cells = <1>;
>>> ranges = <0x0 0x00 0x70000000 0x200000>;
>>>
>>> - atf-sram@0 {
>>> - reg = <0x0 0x1a000>;
>>> + atf-sram@1a0000 {
>>> + reg = <0x1a0000 0x1c000>;
>>
>> After thinking a bot more, isn't size be 0x20000?
>> ATF is allocated with 125KB no? no point keeping the ~3 as hole IMO.
>>
>
> The max size of ATF as defined above in [1] is 0x1c000 and as the
> argument has to reflect it I have modified it to the same.
ahh..Got it. Ignore my comment.
Thanks and regards,
Lokesh
>
> Thanks,
> Aswath
>
>
>> Thanks and regards,
>> Lokesh
>>
>>> };
>>> };
>>>
>>>
>
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next prev parent reply other threads:[~2021-06-09 16:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 13:38 [PATCH v2] arm64: dts: ti: k3-am64-main: Update the location of ATF in SRAM and increase its max size Aswath Govindraju
2021-06-09 14:09 ` Lokesh Vutla
2021-06-09 14:29 ` Lokesh Vutla
2021-06-09 15:22 ` Aswath Govindraju
2021-06-09 15:24 ` Lokesh Vutla [this message]
2021-06-14 18:16 ` Suman Anna
2021-06-11 19:00 ` Nishanth Menon
2021-06-14 14:32 ` Nishanth Menon
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