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Message-ID: <20200711064846.16007-2-yong.wu@mediatek.com>
Date: Sat, 11 Jul 2020 14:48:26 +0800
From: Yong Wu <yong.wu@...iatek.com>
To: Joerg Roedel <joro@...tes.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Robin Murphy <robin.murphy@....com>
CC: Will Deacon <will@...nel.org>, Evan Green <evgreen@...omium.org>,
Tomasz Figa <tfiga@...gle.com>,
<linux-mediatek@...ts.infradead.org>,
<srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<iommu@...ts.linux-foundation.org>, <yong.wu@...iatek.com>,
<youlin.pei@...iatek.com>, Nicolas Boichat <drinkcat@...omium.org>,
<anan.sun@...iatek.com>, <cui.zhang@...iatek.com>,
<chao.hao@...iatek.com>, <ming-fan.chen@...iatek.com>
Subject: [PATCH 01/21] dt-binding: memory: mediatek: Add a common larb-port header file
Put all the macros about smi larb/port togethers, this is a preparing
patch for extending LARB_NR and adding new dom-id support.
Signed-off-by: Yong Wu <yong.wu@...iatek.com>
---
include/dt-bindings/memory/mt2712-larb-port.h | 2 +-
include/dt-bindings/memory/mt6779-larb-port.h | 2 +-
include/dt-bindings/memory/mt8173-larb-port.h | 2 +-
include/dt-bindings/memory/mt8183-larb-port.h | 2 +-
include/dt-bindings/memory/mtk-smi-larb-port.h | 15 +++++++++++++++
5 files changed, 19 insertions(+), 4 deletions(-)
create mode 100644 include/dt-bindings/memory/mtk-smi-larb-port.h
diff --git a/include/dt-bindings/memory/mt2712-larb-port.h b/include/dt-bindings/memory/mt2712-larb-port.h
index 6f9aa7349cef..b6b2c6bf4459 100644
--- a/include/dt-bindings/memory/mt2712-larb-port.h
+++ b/include/dt-bindings/memory/mt2712-larb-port.h
@@ -6,7 +6,7 @@
#ifndef __DTS_IOMMU_PORT_MT2712_H
#define __DTS_IOMMU_PORT_MT2712_H
-#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-smi-larb-port.h>
#define M4U_LARB0_ID 0
#define M4U_LARB1_ID 1
diff --git a/include/dt-bindings/memory/mt6779-larb-port.h b/include/dt-bindings/memory/mt6779-larb-port.h
index 2ad0899fbf2f..60f57f54393e 100644
--- a/include/dt-bindings/memory/mt6779-larb-port.h
+++ b/include/dt-bindings/memory/mt6779-larb-port.h
@@ -7,7 +7,7 @@
#ifndef _DTS_IOMMU_PORT_MT6779_H_
#define _DTS_IOMMU_PORT_MT6779_H_
-#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-smi-larb-port.h>
#define M4U_LARB0_ID 0
#define M4U_LARB1_ID 1
diff --git a/include/dt-bindings/memory/mt8173-larb-port.h b/include/dt-bindings/memory/mt8173-larb-port.h
index 9f31ccfeca21..d8c99c946053 100644
--- a/include/dt-bindings/memory/mt8173-larb-port.h
+++ b/include/dt-bindings/memory/mt8173-larb-port.h
@@ -6,7 +6,7 @@
#ifndef __DTS_IOMMU_PORT_MT8173_H
#define __DTS_IOMMU_PORT_MT8173_H
-#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-smi-larb-port.h>
#define M4U_LARB0_ID 0
#define M4U_LARB1_ID 1
diff --git a/include/dt-bindings/memory/mt8183-larb-port.h b/include/dt-bindings/memory/mt8183-larb-port.h
index 2c579f305162..275c095a6fd6 100644
--- a/include/dt-bindings/memory/mt8183-larb-port.h
+++ b/include/dt-bindings/memory/mt8183-larb-port.h
@@ -6,7 +6,7 @@
#ifndef __DTS_IOMMU_PORT_MT8183_H
#define __DTS_IOMMU_PORT_MT8183_H
-#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-smi-larb-port.h>
#define M4U_LARB0_ID 0
#define M4U_LARB1_ID 1
diff --git a/include/dt-bindings/memory/mtk-smi-larb-port.h b/include/dt-bindings/memory/mtk-smi-larb-port.h
new file mode 100644
index 000000000000..2ec7fe5ce4e9
--- /dev/null
+++ b/include/dt-bindings/memory/mtk-smi-larb-port.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Yong Wu <yong.wu@...iatek.com>
+ */
+#ifndef __DTS_MTK_IOMMU_PORT_H_
+#define __DTS_MTK_IOMMU_PORT_H_
+
+#define MTK_LARB_NR_MAX 16
+
+#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#define MTK_M4U_TO_LARB(id) (((id) >> 5) & 0xf)
+#define MTK_M4U_TO_PORT(id) ((id) & 0x1f)
+
+#endif
--
2.18.0
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