From patchwork Wed Jun 1 11:21:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 12866782 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 051F2C433EF for ; Wed, 1 Jun 2022 11:23:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2lOIPlu/YCZ0wxAbs8XSNDGPbuEXsrkgqv0beKu6t18=; b=yXAclt74smIH42 G7v5FNQo85GdQuKJllQAzRkGLwrOuRILPX9WL2Os4po3Xf/5qK3d/StHgJc2EdkQtuEBOvqJz9zMd G+7gSXqVBwkfL0NmoVg9j+0iS+4gsZF/fYLezJ5QugRJwV3eRvlmn19j8wKck9Hb8jhJ4eqNfs/tK 5LjoxSHDOZJeQ8oKGm16FQQM5ZOYPxmrcgTIV/AmHLVNfy74QlbtA296kSpt/VfWLF+TJK1e8Ljwi fd4TdiYXO8/TM9s1ydAqsJJbJKbRXrwN40HWiiNV1R42RhszXMeGcQeWmoCF5A2JHx6Kr4q/3DI6s GUJYE2fLBW/kSkzRDbzg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwMQp-00Fazm-5s; Wed, 01 Jun 2022 11:22:31 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwMQb-00FauJ-Ei; Wed, 01 Jun 2022 11:22:19 +0000 X-UUID: 94941786139b493dadd6464c5dbb5f16-20220601 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:c346ba6b-0754-45a5-9cbc-38b6648a776a,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:2a19b09,CLOUDID:eb648f14-f88c-475e-badf-d9ee54230b8f,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:0,BEC:nil X-UUID: 94941786139b493dadd6464c5dbb5f16-20220601 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1270996758; Wed, 01 Jun 2022 04:22:07 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Jun 2022 04:22:06 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Wed, 1 Jun 2022 19:22:05 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Wed, 1 Jun 2022 19:22:05 +0800 From: Tinghan Shen To: Bjorn Andersson , Mathieu Poirier , Rob Herring , "Krzysztof Kozlowski" , Matthias Brugger , Lee Jones , Benson Leung , Guenter Roeck , Daisuke Nojiri , Sebastian Reichel , "Dustin L. Howett" , Tzung-Bi Shih , Tinghan Shen , "Gustavo A. R. Silva" , Prashant Malani , "Enric Balletbo i Serra" , Brian Norris CC: , , , , , , , Subject: [PATCH v1 07/15] remoteproc: mediatek: Add SCP core 1 reserved memory support Date: Wed, 1 Jun 2022 19:21:53 +0800 Message-ID: <20220601112201.15510-8-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220601112201.15510-1-tinghan.shen@mediatek.com> References: <20220601112201.15510-1-tinghan.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220601_042217_535001_66ECF579 X-CRM114-Status: GOOD ( 14.91 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Reuse the SCP core 0 reserved memory API on SCP core 1. Signed-off-by: Tinghan Shen --- drivers/remoteproc/mtk_common.h | 2 ++ drivers/remoteproc/mtk_scp.c | 6 ++++-- drivers/remoteproc/mtk_scp_dual.c | 5 +++++ 3 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h index 2e46be605687..da3ea2243678 100644 --- a/drivers/remoteproc/mtk_common.h +++ b/drivers/remoteproc/mtk_common.h @@ -168,4 +168,6 @@ int scp_stop(struct rproc *rproc); int scp_load(struct rproc *rproc, const struct firmware *fw); void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem); int scp_parse_fw(struct rproc *rproc, const struct firmware *fw); +int scp_map_memory_region(struct mtk_scp *scp); +void scp_unmap_memory_region(struct mtk_scp *scp); #endif diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 7b9d12ec2d4f..75d161da0f59 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -747,7 +747,7 @@ void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr) } EXPORT_SYMBOL_GPL(scp_mapping_dm_addr); -static int scp_map_memory_region(struct mtk_scp *scp) +int scp_map_memory_region(struct mtk_scp *scp) { int ret; @@ -773,8 +773,9 @@ static int scp_map_memory_region(struct mtk_scp *scp) return 0; } +EXPORT_SYMBOL_GPL(scp_map_memory_region); -static void scp_unmap_memory_region(struct mtk_scp *scp) +void scp_unmap_memory_region(struct mtk_scp *scp) { if (scp->dram_size == 0) return; @@ -783,6 +784,7 @@ static void scp_unmap_memory_region(struct mtk_scp *scp) scp->dma_addr); of_reserved_mem_device_release(scp->dev); } +EXPORT_SYMBOL_GPL(scp_unmap_memory_region); static int scp_register_ipi(struct platform_device *pdev, u32 id, ipi_handler_t handler, void *priv) diff --git a/drivers/remoteproc/mtk_scp_dual.c b/drivers/remoteproc/mtk_scp_dual.c index e4ada5696bd7..0f932d26f864 100644 --- a/drivers/remoteproc/mtk_scp_dual.c +++ b/drivers/remoteproc/mtk_scp_dual.c @@ -60,6 +60,10 @@ static int scp_dual_probe(struct platform_device *pdev) return dev_err_probe(dev, PTR_ERR(scp->reg_base), "Failed to parse and map cfg memory\n"); + ret = scp_map_memory_region(scp); + if (ret) + return ret; + mutex_init(&scp->send_lock); for (i = 0; i < SCP_IPI_MAX; i++) mutex_init(&scp->ipi_desc[i].lock); @@ -75,6 +79,7 @@ static int scp_dual_remove(struct platform_device *pdev) struct mtk_scp *scp = platform_get_drvdata(pdev); int i; + scp_unmap_memory_region(scp); for (i = 0; i < SCP_IPI_MAX; i++) mutex_destroy(&scp->ipi_desc[i].lock); mutex_destroy(&scp->send_lock);