original_kernel/arch/arm/plat-spear/include/plat/system.h

42 lines
954 B
C

/*
* arch/arm/plat-spear/include/plat/system.h
*
* SPEAr platform specific architecture functions
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __PLAT_SYSTEM_H
#define __PLAT_SYSTEM_H
#include <asm/hardware/sp810.h>
#include <linux/io.h>
#include <mach/spear.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, const char *cmd)
{
if (mode == 's') {
/* software reset, Jump into ROM at address 0 */
cpu_reset(0);
} else {
/* hardware reset, Use on-chip reset capability */
sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
}
}
#endif /* __PLAT_SYSTEM_H */