board/Marvell/octeontx/smc.c

   1 // SPDX-License-Identifier:    GPL-2.0
   2 /*
   3  * Copyright (C) 2018 Marvell International Ltd.
   4  *
   5  * https://spdx.org/licenses
   6  */
   7
   8 #include <asm/global_data.h>
   9 #include <asm/ptrace.h>
  10 #include <asm/system.h>
  11 #include <asm/arch/smc.h>
  12
  13 DECLARE_GLOBAL_DATA_PTR;
  14
  15 ssize_t smc_dram_size(unsigned int node)
  16 {
  17         struct pt_regs regs;
  18
  19         regs.regs[0] = OCTEONTX_DRAM_SIZE;
  20         regs.regs[1] = node;
  21         smc_call(&regs);
  22
  23         return regs.regs[0];
  24 }
  25