LXR uboot/board/Marvell/octeontx2/soc-utils.c

   1// SPDX-License-Identifier:    GPL-2.0
   2/*
   3 * Copyright (C) 2019 Marvell International Ltd.
   4 *
   5 * https://spdx.org/licenses
   6 */
   7
   8#include <common.h>
   9#include <dm.h>
  10#include <malloc.h>
  11#include <errno.h>
  12#include <asm/io.h>
  13#include <linux/compiler.h>
  14#include <asm/arch/soc.h>
  15#include <asm/arch/board.h>
  16#include <dm/util.h>
  17
  18int read_platform(void)
  19{
  20        int plat = PLATFORM_HW;
  21
  22        const char *model = fdt_get_board_model();
  23
  24        if (model && !strncmp(model, "ASIM-", 5))
  25                plat = PLATFORM_ASIM;
  26        if (model && !strncmp(model, "EMUL-", 5))
  27                plat = PLATFORM_EMULATOR;
  28
  29        return plat;
  30}
  31
  32static inline u64 read_midr(void)
  33{
  34        u64 result;
  35
  36        asm ("mrs %[rd],MIDR_EL1" : [rd] "=r" (result));
  37        return result;
  38}
  39
  40u8 read_partnum(void)
  41{
  42        return ((read_midr() >> 4) & 0xFF);
  43}
  44
  45const char *read_board_name(void)
  46{
  47        return fdt_get_board_model();
  48}
  49