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https://github.com/brain-hackers/u-boot-brain
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a028abea6c
This adds rmobile_get_cpu_rev_fraction to get fraction revision for R-Car SoCs. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
27 lines
460 B
C
27 lines
460 B
C
/*
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* arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
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*
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* Copyright (C) 2013,2014 Renesas Electronics Corporation
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#include <common.h>
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#include <asm/io.h>
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#define PRR 0xFF000044
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u32 rmobile_get_cpu_type(void)
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{
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return (readl(PRR) & 0x00007F00) >> 8;
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}
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u32 rmobile_get_cpu_rev_integer(void)
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{
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return ((readl(PRR) & 0x000000F0) >> 4) + 1;
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}
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u32 rmobile_get_cpu_rev_fraction(void)
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{
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return readl(PRR) & 0x0000000F;
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}
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