From patchwork Wed May 18 10:18:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12853480 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 BDD9FC433F5 for ; Wed, 18 May 2022 10:20:45 +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=ClfZeBBZJxre21Cl6DCLI1fpiN0TRln/nS9ulHvu0+I=; b=CxBy8t8wt1mLBI 9tf0lwpcxDHIye+n5t/d0TcFndy0DXgedx6glGbPQiRkHZMvhXRnZ2PapaeA3XjwrwBX3g0J+snsR CSKVgqcL5zgV1ci1MMydOjfI/jPwkAPWLxHnDl1so9GRn5Ls8oHoVlTdt8C5x6XaQsX/ztvNkUxMZ cq5Ukrv9wJt8rUKM62OULcWDI2uRhtXGfFpH28kBTuMQDgYMS/srOFWXGK8nubl7t5LY3WFYNCjdq bRxR4zX1gKkXTL861zFzV164zgmx0HOOWaHdsbetz+U+teI/4eH5m5leTqHlEE87E6Wu8wg2zrzje TvJLDcMuLA3HNQjuc8Rg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nrGmG-001Kf3-Bl; Wed, 18 May 2022 10:19:36 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nrGlf-001KKd-9A; Wed, 18 May 2022 10:19:02 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id BE2931F447BE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1652869137; bh=zFkZi1otInHhCJhlsxh3M6ORDfmM8tcKsLwrRUm2a7M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J6qPTWHEDHCSNB6+4W3n02+ZWZTr1V3bX7yY9M0nYuwOO0egcECGzvfU8Isp6xxXh AgyEL4a4d5Sw5F2QFsmamRqyHLiFK3mf0cNNEGQpkAvKtmk+s7WcU9mNQ28bdVICdu +kJSk2C+nUvNyzBKfPW0IrIn68e3A4s75bLNts1q9aUzJHBTmyHyYEcd89DjFjRlLv CE5uHGajMeGSjFG/cXnCYh3vOuGWq5BjnafchRAQyiVNQEPl2huLSE3dLN+KDKoBay L/CiiTTL3B5dXs/3rv0FMxmPI1YnrnGH74Duj4TCP5K97I9Nu/XttM+yeqesondr1D 4EkjI2O1YhFJA== From: AngeloGioacchino Del Regno To: yong.wu@mediatek.com Cc: joro@8bytes.org, will@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, paul.bouchara@somainline.org, AngeloGioacchino Del Regno Subject: [PATCH v2 2/2] iommu: mtk_iommu: Add support for MT6795 Helio X10 M4Us Date: Wed, 18 May 2022 12:18:49 +0200 Message-Id: <20220518101849.46804-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220518101849.46804-1-angelogioacchino.delregno@collabora.com> References: <20220518101849.46804-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220518_031859_625504_5F3C62F4 X-CRM114-Status: GOOD ( 13.21 ) 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 Add support for the M4Us found in the MT6795 Helio X10 SoC. Signed-off-by: AngeloGioacchino Del Regno --- drivers/iommu/mtk_iommu.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 090cf6e15f85..97ff30ed2d0f 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -159,6 +159,7 @@ enum mtk_iommu_plat { M4U_MT2712, M4U_MT6779, + M4U_MT6795, M4U_MT8167, M4U_MT8173, M4U_MT8183, @@ -954,7 +955,8 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data, unsigned int ban * Global control settings are in bank0. May re-init these global registers * since no sure if there is bank0 consumers. */ - if (data->plat_data->m4u_plat == M4U_MT8173) { + if (data->plat_data->m4u_plat == M4U_MT6795 || + data->plat_data->m4u_plat == M4U_MT8173) { regval = F_MMU_PREFETCH_RT_REPLACE_MOD | F_MMU_TF_PROT_TO_PROGRAM_ADDR_MT8173; } else { @@ -1422,6 +1424,18 @@ static const struct mtk_iommu_plat_data mt6779_data = { .larbid_remap = {{0}, {1}, {2}, {3}, {5}, {7, 8}, {10}, {9}}, }; +static const struct mtk_iommu_plat_data mt6795_data = { + .m4u_plat = M4U_MT6795, + .flags = HAS_4GB_MODE | HAS_BCLK | RESET_AXI | + HAS_LEGACY_IVRP_PADDR | MTK_IOMMU_TYPE_MM, + .inv_sel_reg = REG_MMU_INV_SEL_GEN1, + .banks_num = 1, + .banks_enable = {true}, + .iova_region = single_domain, + .iova_region_nr = ARRAY_SIZE(single_domain), + .larbid_remap = {{0}, {1}, {2}, {3}, {4}}, /* Linear mapping. */ +}; + static const struct mtk_iommu_plat_data mt8167_data = { .m4u_plat = M4U_MT8167, .flags = RESET_AXI | HAS_LEGACY_IVRP_PADDR | MTK_IOMMU_TYPE_MM, @@ -1533,6 +1547,7 @@ static const struct mtk_iommu_plat_data mt8195_data_vpp = { static const struct of_device_id mtk_iommu_of_ids[] = { { .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data}, { .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data}, + { .compatible = "mediatek,mt6795-m4u", .data = &mt6795_data}, { .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data}, { .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data}, { .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data},