cmd/broadcom/chimp_handshake.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2020 Broadcom
   4  */
   5
   6 #include <common.h>
   7 #include <command.h>
   8 #include <broadcom/chimp.h>
   9
  10 /* This command should be called after loading the nitro binaries */
  11 static int do_chimp_hs(struct cmd_tbl *cmdtp, int flag, int argc,
  12                        char *const argv[])
  13 {
  14         int ret = CMD_RET_USAGE;
  15         u32 hstatus;
  16
  17         /* Returns 1, if handshake call is success */
  18         if (chimp_handshake_status_optee(0, &hstatus))
  19                 ret = CMD_RET_SUCCESS;
  20
  21         if (hstatus == CHIMP_HANDSHAKE_SUCCESS)
  22                 printf("ChiMP Handshake successful\n");
  23         else
  24                 printf("ERROR: ChiMP Handshake status 0x%x\n", hstatus);
  25
  26         return ret;
  27 }
  28
  29 U_BOOT_CMD
  30         (chimp_hs, 1, 1, do_chimp_hs,
  31          "Verify the Chimp handshake",
  32          "chimp_hs\n"
  33 );