From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/include/soc/arc/mcip.h | 16 ++++++++++++----
1 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/kernel/include/soc/arc/mcip.h b/kernel/include/soc/arc/mcip.h
index a91f251..d1a93c7 100644
--- a/kernel/include/soc/arc/mcip.h
+++ b/kernel/include/soc/arc/mcip.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* ARConnect IP Support (Multi core enabler: Cross core IPI, RTC ...)
*
* Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __SOC_ARC_MCIP_H
@@ -49,7 +46,9 @@
#define CMD_IDU_ENABLE 0x71
#define CMD_IDU_DISABLE 0x72
#define CMD_IDU_SET_MODE 0x74
+#define CMD_IDU_READ_MODE 0x75
#define CMD_IDU_SET_DEST 0x76
+#define CMD_IDU_ACK_CIRQ 0x79
#define CMD_IDU_SET_MASK 0x7C
#define IDU_M_TRIG_LEVEL 0x0
@@ -122,4 +121,13 @@
__mcip_cmd(cmd, param);
}
+/*
+ * Read MCIP register
+ */
+static inline unsigned int __mcip_cmd_read(unsigned int cmd, unsigned int param)
+{
+ __mcip_cmd(cmd, param);
+ return read_aux_reg(ARC_REG_MCIP_READBACK);
+}
+
#endif
--
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