add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/include/soc/arc/mcip.h
..
..
@@ -1,11 +1,8 @@
1
+/* SPDX-License-Identifier: GPL-2.0-only */
1
2
 /*
2
3
  * ARConnect IP Support (Multi core enabler: Cross core IPI, RTC ...)
3
4
  *
4
5
  * Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
5
- *
6
- * This program is free software; you can redistribute it and/or modify
7
- * it under the terms of the GNU General Public License version 2 as
8
- * published by the Free Software Foundation.
9
6
  */
10
7
 
11
8
 #ifndef __SOC_ARC_MCIP_H
..
..
@@ -49,7 +46,9 @@
49
46
 #define CMD_IDU_ENABLE			0x71
50
47
 #define CMD_IDU_DISABLE			0x72
51
48
 #define CMD_IDU_SET_MODE		0x74
49
+#define CMD_IDU_READ_MODE		0x75
52
50
 #define CMD_IDU_SET_DEST		0x76
51
+#define CMD_IDU_ACK_CIRQ		0x79
53
52
 #define CMD_IDU_SET_MASK		0x7C
54
53
 
55
54
 #define IDU_M_TRIG_LEVEL		0x0
..
..
@@ -122,4 +121,13 @@
122
121
 	__mcip_cmd(cmd, param);
123
122
 }
124
123
 
124
+/*
125
+ * Read MCIP register
126
+ */
127
+static inline unsigned int __mcip_cmd_read(unsigned int cmd, unsigned int param)
128
+{
129
+	__mcip_cmd(cmd, param);
130
+	return read_aux_reg(ARC_REG_MCIP_READBACK);
131
+}
132
+
125
133
 #endif