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Tue, 23 Jan 2024 23:56:04 -0600 Received: from DLEE114.ent.ti.com (157.170.170.25) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 23 Jan 2024 23:56:04 -0600 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Tue, 23 Jan 2024 23:56:04 -0600 Received: from [172.24.227.112] (jayesh-hp-probook-440-g8-notebook-pc.dhcp.ti.com [172.24.227.112]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 40O5u02l019754; Tue, 23 Jan 2024 23:56:01 -0600 Message-ID: <0fcec921-0220-4251-afa4-44db5e80d2ef@ti.com> Date: Wed, 24 Jan 2024 11:26:00 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: ti: k3-am62p-mcu/wakeup: Disable MCU and wakeup R5FSS nodes Content-Language: en-US To: Vaishnav Achath , , , , , , CC: , , , , References: <20240121134017.374992-1-vaishnav.a@ti.com> From: Jayesh Choudhary In-Reply-To: <20240121134017.374992-1-vaishnav.a@ti.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Hello Vaishnav, On 21/01/24 19:10, Vaishnav Achath wrote: > K3 Remoteproc R5 driver requires reserved memory carveouts and > mailbox configuration to instantiate the cores successfully. > Since this is a board level dependency, keep the R5 subsytem > disabled at SoC dtsi, otherwise it results in probe errors like > below during AM62P SK boot: > > r5fss@79000000: reserved memory init failed, ret = -22 > r5fss@79000000: k3_r5_cluster_rproc_init failed, ret = -22 > r5fss@78000000: reserved memory init failed, ret = -22 > r5fss@78000000: k3_r5_cluster_rproc_init failed, ret = -22 > > Fixes: b5080c7c1f7e ("arm64: dts: ti: k3-am62p: Add nodes for more IPs") > > Signed-off-by: Vaishnav Achath Reviewed-by: Jayesh Choudhary > --- > arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi | 2 ++ > arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi | 1 + > 2 files changed, 3 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi > index c4b0b91d70cf..14eb9ba836d3 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi > @@ -187,6 +187,8 @@ mcu_r5fss0: r5fss@79000000 { > 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>, > diff --git a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi > index 19f42b39394e..10a7059b2d9b 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi > @@ -78,6 +78,7 @@ wkup_r5fss0: r5fss@78000000 { > ranges = <0x78000000 0x00 0x78000000 0x8000>, > <0x78100000 0x00 0x78100000 0x8000>; > power-domains = <&k3_pds 119 TI_SCI_PD_EXCLUSIVE>; > + status = "disabled"; > > wkup_r5fss0_core0: r5f@78000000 { > compatible = "ti,am62-r5f"; Thanks.