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702395073f
Certain modules are not affected by means of a warm reset and need not be configured again. Adding an API to detect the reset reason warm/cold. This will be used to skip the module configurations that are retained across a warm reset. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: R Sricharan <r.sricharan@ti.com>
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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*
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* Common layer for reset related functionality of OMAP based socs.
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*
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* (C) Copyright 2012
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* Texas Instruments, <www.ti.com>
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*
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* Sricharan R <r.sricharan@ti.com>
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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 <config.h>
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#include <asm/io.h>
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#include <asm/arch/cpu.h>
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#include <linux/compiler.h>
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void __weak reset_cpu(unsigned long ignored)
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{
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writel(PRM_RSTCTRL_RESET, PRM_RSTCTRL);
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}
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u32 __weak warm_reset(void)
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{
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return (readl(PRM_RSTST) & PRM_RSTST_WARM_RESET_MASK);
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}
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