1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 *
4 * Microchip PolarFire SoC (MPFS)
5 *
6 * Copyright (c) 2020 Microchip Corporation. All rights reserved.
7 *
8 * Author: Conor Dooley <conor.dooley@microchip.com>
9 *
10 */
11
12 #ifndef __SOC_MPFS_H__
13 #define __SOC_MPFS_H__
14
15 #include <linux/types.h>
16 #include <linux/of_device.h>
17
18 struct mpfs_sys_controller;
19
20 struct mpfs_mss_msg {
21 u8 cmd_opcode;
22 u16 cmd_data_size;
23 struct mpfs_mss_response *response;
24 u8 *cmd_data;
25 u16 mbox_offset;
26 u16 resp_offset;
27 };
28
29 struct mpfs_mss_response {
30 u32 resp_status;
31 u32 *resp_msg;
32 u16 resp_size;
33 };
34
35 #if IS_ENABLED(CONFIG_POLARFIRE_SOC_SYS_CTRL)
36
37 int mpfs_blocking_transaction(struct mpfs_sys_controller *mpfs_client, struct mpfs_mss_msg *msg);
38
39 struct mpfs_sys_controller *mpfs_sys_controller_get(struct device *dev);
40
41 struct mtd_info *mpfs_sys_controller_get_flash(struct mpfs_sys_controller *mpfs_client);
42
43 #endif /* if IS_ENABLED(CONFIG_POLARFIRE_SOC_SYS_CTRL) */
44
45 #if IS_ENABLED(CONFIG_MCHP_CLK_MPFS)
46 #if IS_ENABLED(CONFIG_RESET_POLARFIRE_SOC)
47 int mpfs_reset_controller_register(struct device *clk_dev, void __iomem *base);
48 #else
49 static inline int mpfs_reset_controller_register(struct device *clk_dev, void __iomem *base) { return 0; }
50 #endif /* if IS_ENABLED(CONFIG_RESET_POLARFIRE_SOC) */
51 #endif /* if IS_ENABLED(CONFIG_MCHP_CLK_MPFS) */
52
53 #endif /* __SOC_MPFS_H__ */
54
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