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[v4,1/3] soc: mediatek: add SMC fid table for SIP interface

Message ID 1561361052-13072-2-git-send-email-neal.liu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series MediaTek Security random number generator support | expand

Commit Message

Neal Liu June 24, 2019, 7:24 a.m. UTC 
1. Add a header file to provide SIP interface to ATF
2. Add hwrng SMC fid

Signed-off-by: Neal Liu <neal.liu@mediatek.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
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Patch

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_ */