u-boot/arch/arm/mach-uniphier/soc-info.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2017 Socionext Inc.
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*/
#include <linux/bitfield.h>
#include <linux/io.h>
#include <linux/types.h>
#include "sg-regs.h"
#include "soc-info.h"
unsigned int uniphier_get_soc_id(void)
{
u32 rev = readl(sg_base + SG_REVISION);
return FIELD_GET(SG_REVISION_TYPE_MASK, rev);
}
unsigned int uniphier_get_soc_model(void)
{
u32 rev = readl(sg_base + SG_REVISION);
return FIELD_GET(SG_REVISION_MODEL_MASK, rev);
}
unsigned int uniphier_get_soc_revision(void)
{
u32 rev = readl(sg_base + SG_REVISION);
return FIELD_GET(SG_REVISION_REV_MASK, rev);
}