linux-kernel - [PATCH v2 1/3] soc: mediatek: add SMC fid table for SIP interface

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Date:   Mon, 27 May 2019 16:38:44 +0800
From:   Neal Liu <neal.liu@...iatek.com>
To:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...nel.org>
CC:     Neal Liu <neal.liu@...iatek.com>, <linux-crypto@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        lkml <linux-kernel@...r.kernel.org>, <wsd_upstream@...iatek.com>,
        Crystal Guo <Crystal.Guo@...iatek.com>
Subject: [PATCH v2 1/3] soc: mediatek: add SMC fid table for SIP interface

1. Add a header file to provide SIP interface to ARM Trusted
Firmware(ATF)
2. Add hwrng SMC fid

Signed-off-by: Neal Liu <neal.liu@...iatek.com>
---
 include/linux/soc/mediatek/mtk_sip_svc.h |   51 ++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h

diff --git a/include/linux/soc/mediatek/mtk_sip_svc.h b/include/linux/soc/mediatek/mtk_sip_svc.h
new file mode 100644
index 0000000..f65d403
--- /dev/null
+++ b/include/linux/soc/mediatek/mtk_sip_svc.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ */
+
+#ifndef _MTK_SECURE_API_H_
+#define _MTK_SECURE_API_H_
+
+#include <linux/kernel.h>
+
+/* Error Code */
+#define SIP_SVC_E_SUCCESS			0
+#define SIP_SVC_E_NOT_SUPPORTED			-1
+#define SIP_SVC_E_INVALID_PARAMS		-2
+#define SIP_SVC_E_INVALID_RANGE			-3
+#define SIP_SVC_E_PERMISSION_DENY		-4
+
+#ifdef CONFIG_ARM64
+#define MTK_SIP_SMC_AARCH_BIT			0x40000000
+#else
+#define MTK_SIP_SMC_AARCH_BIT			0x00000000
+#endif
+
+/*******************************************************************************
+ * Defines for Mediatek runtime services func ids
+ ******************************************************************************/
+
+/* Debug feature and ATF related SMC call */
+
+/* CPU operations related SMC call */
+
+/* SPM related SMC call */
+
+/* Low power related SMC call */
+
+/* AMMS related SMC call */
+
+/* Security related SMC call */
+/* HWRNG */
+#define MTK_SIP_KERNEL_GET_RND \
+	(0x82000206 | MTK_SIP_SMC_AARCH_BIT)
+
+/* Storage Encryption related SMC call */
+
+/* Platform related SMC call */
+
+/* Pheripheral related SMC call */
+
+/* MM related SMC call */
+
+#endif /* _MTK_SECURE_API_H_ */
-- 
1.7.9.5