acrn-kernel/include/asm-arm/arch-realview/system.h

52 lines
1.4 KiB
C

/*
* linux/include/asm-arm/arch-realview/system.h
*
* Copyright (C) 2003 ARM Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* 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
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/arch/platform.h>
static inline void arch_idle(void)
{
/*
* This should do all the clock switching
* and wait for interrupt tricks
*/
cpu_do_idle();
}
static inline void arch_reset(char mode)
{
void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET;
unsigned int val;
/*
* To reset, we hit the on-board reset register
* in the system FPGA
*/
val = __raw_readl(hdr_ctrl);
val |= REALVIEW_SYS_CTRL_RESET_CONFIGCLR;
__raw_writel(val, hdr_ctrl);
}
#endif