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// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
*
* Copyright (C) 2013,2014 Renesas Electronics Corporation
*/
#include <common.h>
#include <asm/io.h>
#define PRR_MASK 0x7fff
#define R8A7796_REV_1_0 0x5200
#define R8A7796_REV_1_1 0x5210
static u32 rmobile_get_prr(void)
{
#ifdef CONFIG_RCAR_GEN3
return readl(0xFFF00044);
#else
return readl(0xFF000044);
#endif
}
u32 rmobile_get_cpu_type(void)
{
return (rmobile_get_prr() & 0x00007F00) >> 8;
}
u32 rmobile_get_cpu_rev_integer(void)
{
const u32 prr = rmobile_get_prr();
if ((prr & PRR_MASK) == R8A7796_REV_1_1)
return 1;
else
return ((prr & 0x000000F0) >> 4) + 1;
}
u32 rmobile_get_cpu_rev_fraction(void)
{
const u32 prr = rmobile_get_prr();
if ((prr & PRR_MASK) == R8A7796_REV_1_1)
return 1;
else
return prr & 0x0000000F;
}
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