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/*
* Clock Initialization for board based on EXYNOS4210
*
* Copyright (C) 2013 Samsung Electronics
* Rajeshwari Shinde <rajeshwari.s@samsung.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/clk.h>
#include <asm/arch/clock.h>
#include "common_setup.h"
#include "exynos4_setup.h"
/*
* system_clock_init: Initialize core clock and bus clock.
* void system_clock_init(void)
*/
void system_clock_init(void)
{
struct exynos4_clock *clk =
(struct exynos4_clock *)samsung_get_base_clock();
writel(CLK_SRC_CPU_VAL, &clk->src_cpu);
sdelay(0x10000);
writel(CLK_SRC_TOP0_VAL, &clk->src_top0);
writel(CLK_SRC_TOP1_VAL, &clk->src_top1);
writel(CLK_SRC_DMC_VAL, &clk->src_dmc);
writel(CLK_SRC_LEFTBUS_VAL, &clk->src_leftbus);
writel(CLK_SRC_RIGHTBUS_VAL, &clk->src_rightbus);
writel(CLK_SRC_FSYS_VAL, &clk->src_fsys);
writel(CLK_SRC_PERIL0_VAL, &clk->src_peril0);
writel(CLK_SRC_CAM_VAL, &clk->src_cam);
writel(CLK_SRC_MFC_VAL, &clk->src_mfc);
writel(CLK_SRC_G3D_VAL, &clk->src_g3d);
writel(CLK_SRC_LCD0_VAL, &clk->src_lcd0);
sdelay(0x10000);
writel(CLK_DIV_CPU0_VAL, &clk->div_cpu0);
writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1);
writel(CLK_DIV_DMC0_VAL, &clk->div_dmc0);
writel(CLK_DIV_DMC1_VAL, &clk->div_dmc1);
writel(CLK_DIV_LEFTBUS_VAL, &clk->div_leftbus);
writel(CLK_DIV_RIGHTBUS_VAL, &clk->div_rightbus);
writel(CLK_DIV_TOP_VAL, &clk->div_top);
writel(CLK_DIV_FSYS1_VAL, &clk->div_fsys1);
writel(CLK_DIV_FSYS2_VAL, &clk->div_fsys2);
writel(CLK_DIV_FSYS3_VAL, &clk->div_fsys3);
writel(CLK_DIV_PERIL0_VAL, &clk->div_peril0);
writel(CLK_DIV_CAM_VAL, &clk->div_cam);
writel(CLK_DIV_MFC_VAL, &clk->div_mfc);
writel(CLK_DIV_G3D_VAL, &clk->div_g3d);
writel(CLK_DIV_LCD0_VAL, &clk->div_lcd0);
/* Set PLL locktime */
writel(PLL_LOCKTIME, &clk->apll_lock);
writel(PLL_LOCKTIME, &clk->mpll_lock);
writel(PLL_LOCKTIME, &clk->epll_lock);
writel(PLL_LOCKTIME, &clk->vpll_lock);
writel(APLL_CON1_VAL, &clk->apll_con1);
writel(APLL_CON0_VAL, &clk->apll_con0);
writel(MPLL_CON1_VAL, &clk->mpll_con1);
writel(MPLL_CON0_VAL, &clk->mpll_con0);
writel(EPLL_CON1_VAL, &clk->epll_con1);
writel(EPLL_CON0_VAL, &clk->epll_con0);
writel(VPLL_CON1_VAL, &clk->vpll_con1);
writel(VPLL_CON0_VAL, &clk->vpll_con0);
sdelay(0x30000);
}
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