1 /*- 2 * This file is provided under a dual BSD/GPLv2 license. When using or 3 * redistributing this file, you may do so under either license. 4 * 5 * BSD LICENSE 6 * 7 * Copyright 2013-2015 Freescale Semiconductor Inc. 8 * Copyright 2017 NXP. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions are met: 12 * * Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * * Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * * Neither the name of the above-listed copyright holders nor the 18 * names of any contributors may be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * GPL LICENSE SUMMARY 22 * 23 * ALTERNATIVELY, this software may be distributed under the terms of the 24 * GNU General Public License ("GPL") as published by the Free Software 25 * Foundation, either version 2 of that License or (at your option) any 26 * later version. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE 32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 #include <fsl_mc_sys.h> 41 #include <fsl_mc_cmd.h> 42 #include <fsl_dpmng.h> 43 #include <fsl_dpmng_cmd.h> 44 45 /** 46 * mc_get_version() - Retrieves the Management Complex firmware 47 * version information 48 * @mc_io: Pointer to opaque I/O object 49 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' 50 * @mc_ver_info: Returned version information structure 51 * 52 * Return: '0' on Success; Error code otherwise. 53 */ 54 int mc_get_version(struct fsl_mc_io *mc_io, 55 uint32_t cmd_flags, 56 struct mc_version *mc_ver_info) 57 { 58 struct mc_command cmd = { 0 }; 59 struct dpmng_rsp_get_version *rsp_params; 60 int err; 61 62 /* prepare command */ 63 cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION, 64 cmd_flags, 65 0); 66 67 /* send command to mc*/ 68 err = mc_send_command(mc_io, &cmd); 69 if (err) 70 return err; 71 72 /* retrieve response parameters */ 73 rsp_params = (struct dpmng_rsp_get_version *)cmd.params; 74 mc_ver_info->revision = le32_to_cpu(rsp_params->revision); 75 mc_ver_info->major = le32_to_cpu(rsp_params->version_major); 76 mc_ver_info->minor = le32_to_cpu(rsp_params->version_minor); 77 78 return 0; 79 } 80 81 /** 82 * mc_get_soc_version() - Retrieves the Management Complex firmware 83 * version information 84 * @mc_io Pointer to opaque I/O object 85 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' 86 * @mc_platform_info: Returned version information structure. The structure 87 * contains the values of SVR and PVR registers. 88 * Please consult platform specific reference manual 89 * for detailed information. 90 * 91 * Return: '0' on Success; Error code otherwise. 92 */ 93 int mc_get_soc_version(struct fsl_mc_io *mc_io, 94 uint32_t cmd_flags, 95 struct mc_soc_version *mc_platform_info) 96 { 97 struct dpmng_rsp_get_soc_version *rsp_params; 98 struct mc_command cmd = { 0 }; 99 int err; 100 101 /* prepare command */ 102 cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_SOC_VERSION, 103 cmd_flags, 104 0); 105 106 /* send command to mc*/ 107 err = mc_send_command(mc_io, &cmd); 108 if (err) 109 return err; 110 111 /* retrieve response parameters */ 112 rsp_params = (struct dpmng_rsp_get_soc_version *)cmd.params; 113 mc_platform_info->svr = le32_to_cpu(rsp_params->svr); 114 mc_platform_info->pvr = le32_to_cpu(rsp_params->pvr); 115 116 return 0; 117 } 118