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Wed, 9 Jun 2021 10:24:27 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Wed, 9 Jun 2021 10:24:27 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Wed, 9 Jun 2021 10:24:27 -0500 Received: from [10.24.69.20] (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 159FOJ7I077894; Wed, 9 Jun 2021 10:24:23 -0500 Subject: Re: [PATCH v2] arm64: dts: ti: k3-am64-main: Update the location of ATF in SRAM and increase its max size To: Aswath Govindraju CC: Vignesh Raghavendra , Suman Anna , Kishon Vijay Abraham I , Nishanth Menon , Tero Kristo , Rob Herring , , , References: <20210607133806.18158-1-a-govindraju@ti.com> From: Lokesh Vutla Message-ID: <50bb1f20-ccca-fe94-eac1-70ac83bc004d@ti.com> Date: Wed, 9 Jun 2021 20:54:19 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_082431_782553_8023C34C X-CRM114-Status: GOOD ( 19.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 >>> --- >>> 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 >> >>> }; >>> }; >>> >>> > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel