[people/ms/u-boot.git] / arch / arm / mach-uniphier / ph1-ld4 / clkrst_init.c

/*
 * Copyright (C) 2011-2014 Panasonic Corporation
 *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/io.h>
#include <mach/sc-regs.h>

void clkrst_init(void)
{
	u32 tmp;

	/* deassert reset */
	tmp = readl(SC_RSTCTRL);
	tmp |= SC_RSTCTRL_NRST_ETHER | SC_RSTCTRL_NRST_UMC1
		| SC_RSTCTRL_NRST_UMC0 | SC_RSTCTRL_NRST_NAND;
	writel(tmp, SC_RSTCTRL);
	readl(SC_RSTCTRL); /* dummy read */

	/* privide clocks */
	tmp = readl(SC_CLKCTRL);
	tmp |= SC_CLKCTRL_CLK_ETHER | SC_CLKCTRL_CLK_MIO | SC_CLKCTRL_CLK_UMC
	     | SC_CLKCTRL_CLK_NAND | SC_CLKCTRL_CLK_SBC | SC_CLKCTRL_CLK_PERI;
	writel(tmp, SC_CLKCTRL);
	readl(SC_CLKCTRL); /* dummy read */
}
Commit	Line	Data
5894ca00 MY	1	/*
	2	* Copyright (C) 2011-2014 Panasonic Corporation
	3	* Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
	4	*
	5	* SPDX-License-Identifier: GPL-2.0+
	6	*/
	7
	8	#include <common.h>
	9	#include <asm/io.h>
a86ac954	10	#include <mach/sc-regs.h>
5894ca00 MY	11
	12	void clkrst_init(void)
	13	{
	14	u32 tmp;
	15
	16	/* deassert reset */
	17	tmp = readl(SC_RSTCTRL);
	18	tmp \|= SC_RSTCTRL_NRST_ETHER \| SC_RSTCTRL_NRST_UMC1
	19	\| SC_RSTCTRL_NRST_UMC0 \| SC_RSTCTRL_NRST_NAND;
	20	writel(tmp, SC_RSTCTRL);
	21	readl(SC_RSTCTRL); /* dummy read */
	22
	23	/* privide clocks */
	24	tmp = readl(SC_CLKCTRL);
	25	tmp \|= SC_CLKCTRL_CLK_ETHER \| SC_CLKCTRL_CLK_MIO \| SC_CLKCTRL_CLK_UMC
	26	\| SC_CLKCTRL_CLK_NAND \| SC_CLKCTRL_CLK_SBC \| SC_CLKCTRL_CLK_PERI;
	27	writel(tmp, SC_CLKCTRL);
	28	readl(SC_CLKCTRL); /* dummy read */
	29	}