mpfs.h

 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#include <linux/regmap.h>
18
19struct mpfs_sys_controller;
20
21struct mpfs_mss_msg {
22	u8 cmd_opcode;
23	u16 cmd_data_size;
24	struct mpfs_mss_response *response;
25	u8 *cmd_data;
26	u16 mbox_offset;
27	u16 resp_offset;
28};
29
30struct mpfs_mss_response {
31	u32 resp_status;
32	u32 *resp_msg;
33	u16 resp_size;
34};
35
36#if IS_ENABLED(CONFIG_POLARFIRE_SOC_SYS_CTRL)
37
38int mpfs_blocking_transaction(struct mpfs_sys_controller *mpfs_client, struct mpfs_mss_msg *msg);
39
40struct mpfs_sys_controller *mpfs_sys_controller_get(struct device *dev);
41
42struct mtd_info *mpfs_sys_controller_get_flash(struct mpfs_sys_controller *mpfs_client);
43
44#endif /* if IS_ENABLED(CONFIG_POLARFIRE_SOC_SYS_CTRL) */
45
46#if IS_ENABLED(CONFIG_MCHP_CLK_MPFS)
47#if IS_ENABLED(CONFIG_RESET_POLARFIRE_SOC)
48int mpfs_reset_controller_register(struct device *clk_dev, struct regmap *map);
49#else
50static inline int mpfs_reset_controller_register(struct device *clk_dev, void __iomem *base) { return 0; }
51#endif /* if IS_ENABLED(CONFIG_RESET_POLARFIRE_SOC) */
52#endif /* if IS_ENABLED(CONFIG_MCHP_CLK_MPFS) */
53
54#endif /* __SOC_MPFS_H__ */