From patchwork Tue Mar 22 12:28:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Allen-KH Cheng X-Patchwork-Id: 12788346 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 136B3C433EF for ; Tue, 22 Mar 2022 12:29:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234857AbiCVMa0 (ORCPT ); Tue, 22 Mar 2022 08:30:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234859AbiCVMaY (ORCPT ); Tue, 22 Mar 2022 08:30:24 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 143CC13F50; Tue, 22 Mar 2022 05:28:52 -0700 (PDT) X-UUID: d75214175f7b4c9887984bbf88c1975e-20220322 X-UUID: d75214175f7b4c9887984bbf88c1975e-20220322 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1570562477; Tue, 22 Mar 2022 20:28:48 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 22 Mar 2022 20:28:47 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 22 Mar 2022 20:28:47 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 22 Mar 2022 20:28:46 +0800 From: Allen-KH Cheng To: Ohad Ben-Cohen , Bjorn Andersson , Mathieu Poirier , Rob Herring , Matthias Brugger CC: Tinghan Shen , , , , , , , Allen-KH Cheng Subject: [PATCH] remoteproc: mediatek: enable cache for mt8186 SCP Date: Tue, 22 Mar 2022 20:28:45 +0800 Message-ID: <20220322122845.4068-1-allen-kh.cheng@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org 1. Set SCP cache size before loading SCP FW. (8KB+8KB) 2. Adjust ipi_buf_offset from 0x7bdb0 to 0x3BDB0 for enableing cache SCP side - IPI Buffer: 0x3BDB0 <-> 0x3C000 - Cache: 0x3C000 <-> 0x40000 Signed-off-by: Allen-KH Cheng --- drivers/remoteproc/mtk_scp.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 38609153bf64..24065b6b4da8 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -401,6 +401,14 @@ static int mt8186_scp_before_load(struct mtk_scp *scp) writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_P1); writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_p2); + /* + * Set I-cache and D-cache size before loading SCP FW. + * SCP SRAM logical address may change when cache size setting differs. + */ + writel(MT8183_SCP_CACHE_CON_WAYEN | MT8183_SCP_CACHESIZE_8KB, + scp->reg_base + MT8183_SCP_CACHE_CON); + writel(MT8183_SCP_CACHESIZE_8KB, scp->reg_base + MT8183_SCP_DCACHE_CON); + return 0; } @@ -905,7 +913,7 @@ static const struct mtk_scp_of_data mt8186_of_data = { .scp_da_to_va = mt8183_scp_da_to_va, .host_to_scp_reg = MT8183_HOST_TO_SCP, .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, - .ipi_buf_offset = 0x7bdb0, + .ipi_buf_offset = 0x3bdb0, }; static const struct mtk_scp_of_data mt8192_of_data = {