mirror of
https://github.com/brain-hackers/u-boot-brain
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be72e0c8c5
Based on ST-Ericsson internal git repo. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: John Rigby <john.rigby@linaro.org> CC: Albert Aribaud <albert.aribaud@free.fr>
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
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* (C) Copyright 2009 ST-Ericsson
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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/hardware.h>
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DECLARE_GLOBAL_DATA_PTR;
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struct clkrst {
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unsigned int pcken;
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unsigned int pckdis;
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unsigned int kcken;
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unsigned int kckdis;
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};
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static unsigned int clkrst_base[] = {
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U8500_CLKRST1_BASE,
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U8500_CLKRST2_BASE,
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U8500_CLKRST3_BASE,
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0,
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U8500_CLKRST5_BASE,
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U8500_CLKRST6_BASE,
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U8500_CLKRST7_BASE, /* ED only */
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};
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/* Turn on peripheral clock at PRCC level */
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void u8500_clock_enable(int periph, int cluster, int kern)
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{
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struct clkrst *clkrst = (struct clkrst *) clkrst_base[periph - 1];
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if (kern != -1)
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writel(1 << kern, &clkrst->kcken);
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if (cluster != -1)
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writel(1 << cluster, &clkrst->pcken);
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}
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