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Thu, 3 Sep 2026 10:20:54 -0500 Received: from localhost (bb.dhcp.ti.com [128.247.81.12]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 683FKsI82795945; Thu, 3 Sep 2026 10:20:54 -0500 Date: Thu, 3 Sep 2026 10:20:54 -0500 From: Bryan Brattlof To: "Markus Schneider-Pargmann (TI)" CC: Nishanth Menon , Vignesh Raghavendra , "Tero Kristo" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Nathan Chancellor" , Nick Desaulniers , Bill Wendling , "Justin Stitt" , Judith Mendez , Daniel Schultz , Andrew Davis , Siddharth Vadapalli , Paresh Bhagat , Jai Luthra , Devarsh Thakkar , "Beleswar Padhi" , Francesco Dolcini , Stefano Radaelli , Nick Desaulniers , Vishal Mahaveer , Kevin Hilman , Sebin Francis , Kendall Willis , Akashdeep Kaur , , , , , Hari Nagalla Subject: Re: [PATCH v8 1/9] arm64: dts: ti: k3-am62a-phycore-som: Fix wkup R5F memory region size Message-ID: <20260903152054.drcftn4lpzqnqx5y@bryanbrattlof.com> X-PGP-Fingerprint: D3D1 77E4 0A38 DF4D 1853 FEEF 41B9 0D5D 71D5 6CE0 References: <20260903-topic-am62a-ioddr-dt-v6-19-v8-0-74c650dfdea6@baylibre.com> <20260903-topic-am62a-ioddr-dt-v6-19-v8-1-74c650dfdea6@baylibre.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; 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For this memory region which > starts at 0x9c900000 this means a length of: > > 0x9e600000 - 0x9c900000 = 0x1d00000 > > AM62A additionally has a second DM firmware for edgeai whose highest > section end address reaches 0x9e700000, so the region should end there: > > 0x9e700000 - 0x9c900000 = 0x1e00000 > > Link: https://github.com/TexasInstruments/mcupsdk-core-k3/blob/k3_main/examples/drivers/ipc/ipc_rpmsg_echo_linux/am62ax-sk/r5fss0-0_freertos/ti-arm-clang/linker.cmd > Fixes: 8dd0ac27fcd1 ("arm64: dts: ti: k3-am62a-phycore-som: Enable Co-processors") > Signed-off-by: Markus Schneider-Pargmann (TI) > --- > arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi > index de4048a3564b..53c096da68b5 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi > @@ -67,7 +67,7 @@ wkup_r5fss0_core0_dma_memory_region: memory@9c800000 { > > wkup_r5fss0_core0_memory_region: memory@9c900000 { > compatible = "shared-dma-pool"; > - reg = <0x00 0x9c900000 0x00 0xf00000>; > + reg = <0x00 0x9c900000 0x00 0x1e00000>; Lame. It stinks the MCU+SDK stuff needed to expand and we now need to worry about these things every MCU+ release :/ Reviewed-by: Bryan Brattlof ~Bryan