f6e7f07c17
In the Linux coding style, it is recommended to include <linux/io.h> rather than <asm/io.h>. Follow this trend. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
31 lines
673 B
C
31 lines
673 B
C
/*
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* Copyright (C) 2011-2015 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 <spl.h>
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#include <linux/io.h>
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#include <mach/sc-regs.h>
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void early_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_UMC1 | SC_RSTCTRL_NRST_UMC0;
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if (spl_boot_device() != BOOT_DEVICE_NAND)
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tmp &= ~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_CEN_UMC | SC_CLKCTRL_CEN_SBC | SC_CLKCTRL_CEN_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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