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 #endif /* if IS_ENABLED(CONFIG_POLARFIRE_SOC_SYS_CTRL) */ 42 43 #if IS_ENABLED(CONFIG_MCHP_CLK_MPFS) 44 45 u32 mpfs_reset_read(struct device *dev); 46 47 void mpfs_reset_write(struct device *dev, u32 val); 48 49 #endif /* if IS_ENABLED(CONFIG_MCHP_CLK_MPFS) */ 50 51 #endif /* __SOC_MPFS_H__ */ 52