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Received: from VI0P195MB2484.EURP195.PROD.OUTLOOK.COM (2603:10a6:800:248::6) by VI1P195MB0703.EURP195.PROD.OUTLOOK.COM (2603:10a6:800:153::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8699.26; Mon, 5 May 2025 16:01:08 +0000 Received: from VI0P195MB2484.EURP195.PROD.OUTLOOK.COM ([fe80::24f:8371:2871:5981]) by VI0P195MB2484.EURP195.PROD.OUTLOOK.COM ([fe80::24f:8371:2871:5981%4]) with mapi id 15.20.8699.019; Mon, 5 May 2025 16:01:07 +0000 Message-ID: <646350fd-3dc5-47eb-ab1b-1a6a9acd69a8@phytec.de> Date: Mon, 5 May 2025 18:00:56 +0200 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 03/11] arm64: dts: ti: k3-am62a-mcu: Add R5F remote proc node To: Andrew Davis , "Mendez, Judith" , Nishanth Menon , Vignesh Raghavendra Cc: Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Hari Nagalla , Beleswar Padhi , Markus Schneider-Pargmann , Devarsh Thakkar , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250502220325.3230653-1-jm@ti.com> <20250502220325.3230653-4-jm@ti.com> <50039c49-a6c5-4f29-a35a-53b9af117fd8@phytec.de> <6c5e786d-7581-492f-92fb-be92ecbecd87@ti.com> <31d32966-05fe-4369-afda-3278822d8cb5@ti.com> Content-Language: en-US From: Daniel Schultz In-Reply-To: <31d32966-05fe-4369-afda-3278822d8cb5@ti.com> Content-Type: text/plain; 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That > would be the > issue here. > >>> [    7.064716] remoteproc remoteproc1: Failed to load program >>> segments: -22 >>> >>> I figured out that the mcu sram node disappeared in v5. Apparently >>> adding it back manually doesn't solve this problem. Any idea what's >>> wrong? >> >> For am62ax, there should be several items changed with this v8 >> series in order for remoteproc to work with the TI default firmware: What firmware did you use? I was using the latest public default firmware from ti-linux-firmware. >> >> 1. memory carveouts were reduced to 15MB [0] & edge-ai memory >> carveouts are not included here > > This shouldn't be an issue, the default firmware doesn't > use the extended carveouts. Yes, this is just the echo firmware. > >> 2. mcu_sram1 node removed [2] >> > > So when you say you added back the SRAM node, did you also add the > sram = <&mcu_ram>; in the core node? With that property added, I can load the firmware again! So, what's the problem with adding this sram node and did you remove it? - Daniel > > Andrew > >> If you want to catch up on the general direction for this series, >> please refer to [3]. atm remoteproc can fail with the default FW, >> but we are trying to move away from that firmware and this is the >> first step in that direction. >> >> [0] >> https://lore.kernel.org/linux-devicetree/0ab5c5ec-cde3-41f1-8adf-2419b31497c1@ti.com/ >> [1] >> https://lore.kernel.org/linux-devicetree/04e77daf-e775-44fa-82bf-8b6ebf73bcef@ti.com/ >> [2] >> https://lore.kernel.org/linux-devicetree/32358aa1-0c02-4f4d-9782-2d8376c0d9fc@ti.com/ >> [3] >> https://lore.kernel.org/linux-devicetree/e131298f-3713-482a-a740-ff89709270b4@ti.com/ >> >> ~ Judith >> >>> >>> On 5/3/25 00:03, Judith Mendez wrote: >>>> From: Hari Nagalla >>>> >>>> AM62A SoCs have a single R5F core in the MCU voltage domain. >>>> Add the R5FSS node with the child node for core0 in MCU voltage >>>> domain .dtsi file. >>>> >>>> Signed-off-by: Hari Nagalla >>>> Signed-off-by: Judith Mendez >>>> Acked-by: Andrew Davis >>>> --- >>>>   arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi | 25 >>>> ++++++++++++++++++++++++ >>>>   1 file changed, 25 insertions(+) >>>> >>>> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi b/arch/arm64/ >>>> boot/dts/ti/k3-am62a-mcu.dtsi >>>> index 9ed9d703ff24..ee961ced7208 100644 >>>> --- a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi >>>> +++ b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi >>>> @@ -174,4 +174,29 @@ mcu_mcan1: can@4e18000 { >>>>           bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>; >>>>           status = "disabled"; >>>>       }; >>>> + >>>> +    mcu_r5fss0: r5fss@79000000 { >>>> +        compatible = "ti,am62-r5fss"; >>>> +        #address-cells = <1>; >>>> +        #size-cells = <1>; >>>> +        ranges = <0x79000000 0x00 0x79000000 0x8000>, >>>> +             <0x79020000 0x00 0x79020000 0x8000>; >>>> +        power-domains = <&k3_pds 7 TI_SCI_PD_EXCLUSIVE>; >>>> +        status = "disabled"; >>>> + >>>> +        mcu_r5fss0_core0: r5f@79000000 { >>>> +            compatible = "ti,am62-r5f"; >>>> +            reg = <0x79000000 0x00008000>, >>>> +                  <0x79020000 0x00008000>; >>>> +            reg-names = "atcm", "btcm"; >>>> +            resets = <&k3_reset 9 1>; >>>> +            firmware-name = "am62a-mcu-r5f0_0-fw"; >>>> +            ti,atcm-enable = <0>; >>>> +            ti,btcm-enable = <1>; >>>> +            ti,loczrama = <0>; >>>> +            ti,sci = <&dmsc>; >>>> +            ti,sci-dev-id = <9>; >>>> +            ti,sci-proc-ids = <0x03 0xff>; >>>> +        }; >>>> +    }; >>>>   }; >>