From nobody Sun Sep 22 11:21:04 2024 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 3C302C433F5 for ; Tue, 25 Jan 2022 09:11:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1454385AbiAYJLL (ORCPT ); Tue, 25 Jan 2022 04:11:11 -0500 Received: from mailgw01.mediatek.com ([60.244.123.138]:58964 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1454473AbiAYI7l (ORCPT ); Tue, 25 Jan 2022 03:59:41 -0500 X-UUID: 716816185f344d8d9de2c2e0b0ea8fa8-20220125 X-UUID: 716816185f344d8d9de2c2e0b0ea8fa8-20220125 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 446621261; Tue, 25 Jan 2022 16:59:00 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Tue, 25 Jan 2022 16:58:58 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 25 Jan 2022 16:58:56 +0800 From: Yong Wu To: Joerg Roedel , Rob Herring , "Matthias Brugger" , Will Deacon CC: Robin Murphy , Krzysztof Kozlowski , Tomasz Figa , , , , , , , Hsin-Yi Wang , , , , , , "AngeloGioacchino Del Regno" , , , , Subject: [PATCH v4 15/35] iommu/mediatek: Add SUB_COMMON_3BITS flag Date: Tue, 25 Jan 2022 16:56:14 +0800 Message-ID: <20220125085634.17972-16-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220125085634.17972-1-yong.wu@mediatek.com> References: <20220125085634.17972-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In prevous SoC, the sub common id occupy 2 bits. the mt8195's sub common id has 3bits. Add a new flag for this. and rename the previous flag to _2BITS. For readable, I put these two flags together, then move the other flags. no functional change. Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno --- drivers/iommu/mtk_iommu.c | 26 ++++++++++++++++---------- drivers/iommu/mtk_iommu.h | 2 +- 2 files changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 548fa8448a6e..47d5f34f4db0 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -105,6 +105,8 @@ #define REG_MMU1_INT_ID 0x154 #define F_MMU_INT_ID_COMM_ID(a) (((a) >> 9) & 0x7) #define F_MMU_INT_ID_SUB_COMM_ID(a) (((a) >> 7) & 0x3) +#define F_MMU_INT_ID_COMM_ID_EXT(a) (((a) >> 10) & 0x7) +#define F_MMU_INT_ID_SUB_COMM_ID_EXT(a) (((a) >> 7) & 0x7) #define F_MMU_INT_ID_LARB_ID(a) (((a) >> 7) & 0x7) #define F_MMU_INT_ID_PORT_ID(a) (((a) >> 2) & 0x1f) =20 @@ -116,13 +118,14 @@ #define HAS_VLD_PA_RNG BIT(2) #define RESET_AXI BIT(3) #define OUT_ORDER_WR_EN BIT(4) -#define HAS_SUB_COMM BIT(5) -#define WR_THROT_EN BIT(6) -#define HAS_LEGACY_IVRP_PADDR BIT(7) -#define IOVA_34_EN BIT(8) -#define SHARE_PGTABLE BIT(9) /* 2 HW share pgtable */ -#define DCM_DISABLE BIT(10) -#define NOT_STD_AXI_MODE BIT(11) +#define HAS_SUB_COMM_2BITS BIT(5) +#define HAS_SUB_COMM_3BITS BIT(6) +#define WR_THROT_EN BIT(7) +#define HAS_LEGACY_IVRP_PADDR BIT(8) +#define IOVA_34_EN BIT(9) +#define SHARE_PGTABLE BIT(10) /* 2 HW share pgtable */ +#define DCM_DISABLE BIT(11) +#define NOT_STD_AXI_MODE BIT(12) =20 #define MTK_IOMMU_HAS_FLAG(pdata, _x) \ ((((pdata)->flags) & (_x)) =3D=3D (_x)) @@ -290,9 +293,12 @@ static irqreturn_t mtk_iommu_isr(int irq, void *dev_id) fault_pa |=3D (u64)pa34_32 << 32; =20 fault_port =3D F_MMU_INT_ID_PORT_ID(regval); - if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_SUB_COMM)) { + if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_SUB_COMM_2BITS)) { fault_larb =3D F_MMU_INT_ID_COMM_ID(regval); sub_comm =3D F_MMU_INT_ID_SUB_COMM_ID(regval); + } else if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_SUB_COMM_3BITS)) { + fault_larb =3D F_MMU_INT_ID_COMM_ID_EXT(regval); + sub_comm =3D F_MMU_INT_ID_SUB_COMM_ID_EXT(regval); } else { fault_larb =3D F_MMU_INT_ID_LARB_ID(regval); } @@ -1033,7 +1039,7 @@ static const struct mtk_iommu_plat_data mt2712_data = =3D { =20 static const struct mtk_iommu_plat_data mt6779_data =3D { .m4u_plat =3D M4U_MT6779, - .flags =3D HAS_SUB_COMM | OUT_ORDER_WR_EN | WR_THROT_EN | + .flags =3D HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | WR_THROT_EN | NOT_STD_AXI_MODE, .inv_sel_reg =3D REG_MMU_INV_SEL_GEN2, .iova_region =3D single_domain, @@ -1071,7 +1077,7 @@ static const struct mtk_iommu_plat_data mt8183_data = =3D { =20 static const struct mtk_iommu_plat_data mt8192_data =3D { .m4u_plat =3D M4U_MT8192, - .flags =3D HAS_BCLK | HAS_SUB_COMM | OUT_ORDER_WR_EN | + .flags =3D HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | WR_THROT_EN | IOVA_34_EN | NOT_STD_AXI_MODE, .inv_sel_reg =3D REG_MMU_INV_SEL_GEN2, .iova_region =3D mt8192_multi_dom, diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index c10f5630e55d..82c51a034e6b 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -20,7 +20,7 @@ #include =20 #define MTK_LARB_COM_MAX 8 -#define MTK_LARB_SUBCOM_MAX 4 +#define MTK_LARB_SUBCOM_MAX 8 =20 #define MTK_IOMMU_GROUP_MAX 8 =20 --=20 2.18.0