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 19 struct mpfs_sys_controller; 20 21 struct 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 30 struct 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 38 int mpfs_blocking_transaction(struct mpfs_sys_controller *mpfs_client, struct mpfs_mss_msg *msg); 39 40 struct mpfs_sys_controller *mpfs_sys_controller_get(struct device *dev); 41 42 struct 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) 48 int mpfs_reset_controller_register(struct device *clk_dev, struct regmap *map); 49 #else 50 static 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__ */ 55