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https://github.com/AsahiLinux/u-boot
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30 lines
731 B
C
30 lines
731 B
C
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/*
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* Copyright (C) 2011-2014 Panasonic Corporation
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* Author: Masahiro Yamada <yamada.m@jp.panasonic.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/sc-regs.h>
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void clkrst_init(void)
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{
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u32 tmp;
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/* deassert reset */
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tmp = readl(SC_RSTCTRL);
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tmp |= SC_RSTCTRL_NRST_ETHER | SC_RSTCTRL_NRST_UMC1
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| SC_RSTCTRL_NRST_UMC0 | SC_RSTCTRL_NRST_NAND;
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writel(tmp, SC_RSTCTRL);
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readl(SC_RSTCTRL); /* dummy read */
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/* privide clocks */
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tmp = readl(SC_CLKCTRL);
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tmp |= SC_CLKCTRL_CLK_ETHER | SC_CLKCTRL_CLK_MIO | SC_CLKCTRL_CLK_UMC
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| SC_CLKCTRL_CLK_NAND | SC_CLKCTRL_CLK_SBC | SC_CLKCTRL_CLK_PERI;
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writel(tmp, SC_CLKCTRL);
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readl(SC_CLKCTRL); /* dummy read */
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}
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