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We need it for inter-process communication between DSP and main core. This callback is used to find the resource table (defined in remote processor linker script) where the address of the vrings along with the other allocated resources (carveouts etc) are stored. If this is not found, the vrings are not allocated and the IPC between cores will not work. Signed-off-by: Iuliana Prodan Reviewed-by: Daniel Baluta --- drivers/remoteproc/imx_dsp_rproc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c index 8fcda9b74545..a1c62d15f16c 100644 --- a/drivers/remoteproc/imx_dsp_rproc.c +++ b/drivers/remoteproc/imx_dsp_rproc.c @@ -940,6 +940,7 @@ static const struct rproc_ops imx_dsp_rproc_ops = { .kick = imx_dsp_rproc_kick, .load = imx_dsp_rproc_elf_load_segments, .parse_fw = imx_dsp_rproc_parse_fw, + .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table, .sanity_check = rproc_elf_sanity_check, .get_boot_addr = rproc_elf_get_boot_addr, }; From patchwork Mon Sep 11 22:44:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Iuliana Prodan (OSS)" X-Patchwork-Id: 13380468 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A84BBCA0EC3 for ; Tue, 12 Sep 2023 01:43:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236103AbjILBna (ORCPT ); Mon, 11 Sep 2023 21:43:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236118AbjILBnP (ORCPT ); Mon, 11 Sep 2023 21:43:15 -0400 Received: from EUR03-AM7-obe.outbound.protection.outlook.com (mail-am7eur03on2079.outbound.protection.outlook.com [40.107.105.79]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4FC3184441; Mon, 11 Sep 2023 18:19:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=dyrSLZ2f4LUKlV8ph8lH/du4H2GPdfIK9Y+F8x2qXl5F0JqvOLa0ESiOI9pj53FHha+U1qjhFpMvGmmkeALzXLptXF5eiQLg70dskjytZjhli+qqFwxx7WXswSBvC0ksI3ynicC7QWDNsbOLDP913Mvd1sSbLL6YwvI4AgkuZTsYRlQdOryC+n8aC3Fvo8H8GDo+kqVVdama5WQZxnRBVmDQrYnl85E0loAhhh9Dr+YXs1uVnY/2sM6GwjVtLxQe9u9jUY6RkMoiZr5/jul4YUURAGGuiuWZSv8mAP6hEQWjIVX/L3WWb0wEroRtXACJV6ozyD9ovoL+XPnkFsrXag== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=9Ki8/sXqreC+2zRFfvdl3VjIOQVNkHugK+w91ZpOhYk=; b=l03Ot5rJqecrYg1JVCIw3VJHiQI+tAmunCvTX+yTKLuwrQbn4aVGOngwCE+ahxjRjRtEeOJW4bEkOSUvqhUfvR+eGpikT2Uyv9NUPJEtC0i6CUhwfeAJGS1pQ4cFPdfzuiTWXC5bWaVDMtx0mLKzDlgjgeDi9WwhonjHoAeOFMFLsFu1x6rOPaMjzr1ZibbZut7DU/1iP7KdNdr8TmjSrgOGi0JtYuqUjZARCg8KZ2FiBhInZWEkkEeph3O6hn1k6j1vZokrt2z0fyWsMFJRqvq4ChmrT6RUtQfQOJf1DLwu73+e5+Fyr4MKumyy0iQwst8Jph4Yx1Xj9tZKNkyL2A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector2-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=9Ki8/sXqreC+2zRFfvdl3VjIOQVNkHugK+w91ZpOhYk=; b=DcxoU2uPcXnYSLQCs0RXl++Y0WraafTT4iC0xDDjtu9JKoECdH4v1rcUDRZvlnLxhChRGMqiq2euLwVqaz4w/0d6olop9Spwa4Vch/gzCJ0YTUaFYxe3qC4r/IDptMC1I/z9RwRmkOz/9CxHkzl6AVNCDKHTOWMzHyAue82Yz24= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from DU2PR04MB8774.eurprd04.prod.outlook.com (2603:10a6:10:2e1::21) by VE1PR04MB7310.eurprd04.prod.outlook.com (2603:10a6:800:1a2::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6768.34; Mon, 11 Sep 2023 22:45:31 +0000 Received: from DU2PR04MB8774.eurprd04.prod.outlook.com ([fe80::ad2:49f8:14b:25c7]) by DU2PR04MB8774.eurprd04.prod.outlook.com ([fe80::ad2:49f8:14b:25c7%7]) with mapi id 15.20.6768.029; Mon, 11 Sep 2023 22:45:30 +0000 From: "Iuliana Prodan (OSS)" To: Mathieu Poirier , robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, Shawn Guo , Bjorn Andersson , Sascha Hauer , "S.J. 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These can be later used in a dsp node, like: dsp: dsp@3b6e8000 { compatible = "fsl,imx8mp-dsp"; reg = <0x3b6e8000 0x88000>; mbox-names = "tx0", "rx0", "rxdb0"; mboxes = <&mu2 2 0>, <&mu2 2 1>, <&mu2 3 0>, <&mu2 3 1>; memory-region = <&dsp_vdev0buffer>, <&dsp_vdev0vring0>, <&dsp_vdev0vring1>, <&dsp_reserved>; status = "okay"; }; Signed-off-by: Iuliana Prodan --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index cc406bb338fe..eedc1921af62 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -210,6 +210,18 @@ dsp_reserved: dsp@92400000 { reg = <0 0x92400000 0 0x2000000>; no-map; + dsp_vdev0vring0: vdev0vring0@942f0000 { + reg = <0 0x942f0000 0 0x8000>; + no-map; + }; + dsp_vdev0vring1: vdev0vring1@942f8000 { + reg = <0 0x942f8000 0 0x8000>; + no-map; + }; + dsp_vdev0buffer: vdev0buffer@94300000 { + compatible = "shared-dma-pool"; + reg = <0 0x94300000 0 0x100000>; + no-map; }; };