1 // SPDX-License-Identifier: GPL-2.0+ 2 /* Copyright 2013-2015 Freescale Semiconductor Inc. 3 * Copyright 2023 NXP 4 */ 5 #include <fsl-mc/fsl_mc_sys.h> 6 #include <fsl-mc/fsl_mc_cmd.h> 7 #include <fsl-mc/fsl_dpmng.h> 8 #include "fsl_dpmng_cmd.h" 9 10 /** 11 * mc_get_version() - Retrieves the Management Complex firmware 12 * version information 13 * @mc_io: Pointer to opaque I/O object 14 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' 15 * @mc_ver_info: Returned version information structure 16 * 17 * Return: '0' on Success; Error code otherwise. 18 */ mc_get_version(struct fsl_mc_io * mc_io,uint32_t cmd_flags,struct mc_version * mc_ver_info)19int mc_get_version(struct fsl_mc_io *mc_io, uint32_t cmd_flags, struct mc_version *mc_ver_info) 20 { 21 struct dpmng_rsp_get_version *rsp_params; 22 struct mc_command cmd = { 0 }; 23 int err; 24 25 /* prepare command */ 26 cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION, 27 cmd_flags, 28 0); 29 30 /* send command to mc*/ 31 err = mc_send_command(mc_io, &cmd); 32 if (err) 33 return err; 34 35 /* retrieve response parameters */ 36 rsp_params = (struct dpmng_rsp_get_version *)cmd.params; 37 mc_ver_info->revision = le32_to_cpu(rsp_params->revision); 38 mc_ver_info->major = le32_to_cpu(rsp_params->version_major); 39 mc_ver_info->minor = le32_to_cpu(rsp_params->version_minor); 40 41 return 0; 42 } 43