OpenCloudOS-Kernel/arch/arm/plat-omap/include/plat/system.h

52 lines
1.0 KiB
C

/*
* Copied from arch/arm/mach-sa1100/include/mach/system.h
* Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net>
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
#include <linux/clk.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <plat/prcm.h>
#ifndef CONFIG_MACH_VOICEBLUE
#define voiceblue_reset() do {} while (0)
#else
extern void voiceblue_reset(void);
#endif
static inline void arch_idle(void)
{
cpu_do_idle();
}
static inline void omap1_arch_reset(char mode, const char *cmd)
{
/*
* Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
* "Global Software Reset Affects Traffic Controller Frequency".
*/
if (cpu_is_omap5912()) {
omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4),
DPLL_CTL);
omap_writew(0x8, ARM_RSTCT1);
}
if (machine_is_voiceblue())
voiceblue_reset();
else
omap_writew(1, ARM_RSTCT1);
}
static inline void arch_reset(char mode, const char *cmd)
{
if (!cpu_class_is_omap2())
omap1_arch_reset(mode, cmd);
else
omap_prcm_arch_reset(mode, cmd);
}
#endif