ceph/src/spdk/dpdk/drivers/bus/fslmc/mc/dpmng.c

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  *
   3  * Copyright 2013-2015 Freescale Semiconductor Inc.
   4  * Copyright 2017 NXP
   5  *
   6  */
   7 #include <fsl_mc_sys.h>
   8 #include <fsl_mc_cmd.h>
   9 #include <fsl_dpmng.h>
  10 #include <fsl_dpmng_cmd.h>
  11
  12 /**
  13  * mc_get_version() - Retrieves the Management Complex firmware
  14  *                      version information
  15  * @mc_io:              Pointer to opaque I/O object
  16  * @cmd_flags:          Command flags; one or more of 'MC_CMD_FLAG_'
  17  * @mc_ver_info:        Returned version information structure
  18  *
  19  * Return:      '0' on Success; Error code otherwise.
  20  */
  21 int mc_get_version(struct fsl_mc_io *mc_io,
  22                    uint32_t cmd_flags,
  23                    struct mc_version *mc_ver_info)
  24 {
  25         struct mc_command cmd = { 0 };
  26         struct dpmng_rsp_get_version *rsp_params;
  27         int err;
  28
  29         /* prepare command */
  30         cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION,
  31                                           cmd_flags,
  32                                           0);
  33
  34         /* send command to mc*/
  35         err = mc_send_command(mc_io, &cmd);
  36         if (err)
  37                 return err;
  38
  39         /* retrieve response parameters */
  40         rsp_params = (struct dpmng_rsp_get_version *)cmd.params;
  41         mc_ver_info->revision = le32_to_cpu(rsp_params->revision);
  42         mc_ver_info->major = le32_to_cpu(rsp_params->version_major);
  43         mc_ver_info->minor = le32_to_cpu(rsp_params->version_minor);
  44
  45         return 0;
  46 }
  47
  48 /**
  49  * mc_get_soc_version() - Retrieves the Management Complex firmware
  50  *                     version information
  51  * @mc_io               Pointer to opaque I/O object
  52  * @cmd_flags:          Command flags; one or more of 'MC_CMD_FLAG_'
  53  * @mc_platform_info:   Returned version information structure. The structure
  54  *                      contains the values of SVR and PVR registers.
  55  *                      Please consult platform specific reference manual
  56  *                      for detailed information.
  57  *
  58  * Return:     '0' on Success; Error code otherwise.
  59  */
  60 int mc_get_soc_version(struct fsl_mc_io *mc_io,
  61                        uint32_t cmd_flags,
  62                        struct mc_soc_version *mc_platform_info)
  63 {
  64         struct dpmng_rsp_get_soc_version *rsp_params;
  65         struct mc_command cmd = { 0 };
  66         int err;
  67
  68         /* prepare command */
  69         cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_SOC_VERSION,
  70                                           cmd_flags,
  71                                           0);
  72
  73         /* send command to mc*/
  74         err = mc_send_command(mc_io, &cmd);
  75         if (err)
  76                 return err;
  77
  78         /* retrieve response parameters */
  79         rsp_params = (struct dpmng_rsp_get_soc_version *)cmd.params;
  80         mc_platform_info->svr = le32_to_cpu(rsp_params->svr);
  81         mc_platform_info->pvr = le32_to_cpu(rsp_params->pvr);
  82
  83         return 0;
  84 }