LXR uboot/arch/arm/mach-uniphier/soc-info.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2017 Socionext Inc.
   4 *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
   5 */
   6
   7#include <linux/bitfield.h>
   8#include <linux/io.h>
   9#include <linux/types.h>
  10
  11#include "sg-regs.h"
  12#include "soc-info.h"
  13
  14unsigned int uniphier_get_soc_id(void)
  15{
  16        u32 rev = readl(sg_base + SG_REVISION);
  17
  18        return FIELD_GET(SG_REVISION_TYPE_MASK, rev);
  19}
  20
  21unsigned int uniphier_get_soc_model(void)
  22{
  23        u32 rev = readl(sg_base + SG_REVISION);
  24
  25        return FIELD_GET(SG_REVISION_MODEL_MASK, rev);
  26}
  27
  28unsigned int uniphier_get_soc_revision(void)
  29{
  30        u32 rev = readl(sg_base + SG_REVISION);
  31
  32        return FIELD_GET(SG_REVISION_REV_MASK, rev);
  33}
  34