linux-kernel - [PATCH v4 1/3] soc: mediatek: add SMC fid table for SIP interface

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Date:   Mon, 24 Jun 2019 15:24:10 +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>,
        Crystal Guo <Crystal.Guo@...iatek.com>,
        <linux-crypto@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <wsd_upstream@...iatek.com>
Subject: [PATCH v4 1/3] soc: mediatek: add SMC fid table for SIP interface

1. Add a header file to provide SIP interface to ATF
2. Add hwrng SMC fid

Signed-off-by: Neal Liu <neal.liu@...iatek.com>
---
 include/linux/soc/mediatek/mtk_sip_svc.h |   33 ++++++++++++++++++++++++++++++
 1 file changed, 33 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..8cc8b5c
--- /dev/null
+++ b/include/linux/soc/mediatek/mtk_sip_svc.h
@@ -0,0 +1,33 @@
+/* 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		BIT(30)
+#else
+#define MTK_SIP_SMC_AARCH_BIT		0
+#endif
+
+/*******************************************************************************
+ * Defines for Mediatek runtime services func ids
+ ******************************************************************************/
+
+/* Security related SMC call */
+/* HWRNG */
+#define MTK_SIP_KERNEL_GET_RND \
+	(0x8200026A | MTK_SIP_SMC_AARCH_BIT)
+
+#endif /* _MTK_SECURE_API_H_ */
-- 
1.7.9.5