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https://github.com/AsahiLinux/u-boot
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72fd3838c6
The arch_preboot_os function used in boards using R-Car ARM SoC (r8a7790, r8a7791, r8a7793 and r8a7794) is common. This makes rcar-gen2-common/common.c file providing common function for R-Car ARM SoC, and moves this function to this file. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
27 lines
623 B
C
27 lines
623 B
C
/*
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* board/renesas/rcar-gen2-common/common.c
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*
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* Copyright (C) 2013 Renesas Electronics Corporation
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* Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
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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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#include <asm/arch/sys_proto.h>
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#include <asm/arch/rmobile.h>
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#include <asm/arch/rcar-mstp.h>
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#define TSTR0 0x04
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#define TSTR0_STR0 0x01
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#define TMU0_MSTP125 (1 << 25)
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void arch_preboot_os(void)
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{
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/* stop TMU0 */
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mstp_clrbits_le32(TMU_BASE + TSTR0, TMU_BASE + TSTR0, TSTR0_STR0);
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/* Disable TMU0 */
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mstp_setbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
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}
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