system.h 985 Bytes
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/*
 * Copied from linux/include/asm-arm/arch-sa1100/system.h
 * Copyright (c) 1999 Nicolas Pitre <nico@cam.org>
 */
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
#include <linux/config.h>
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#include <asm/mach-types.h>
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#include <asm/arch/hardware.h>
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#ifndef CONFIG_MACH_VOICEBLUE
#define voiceblue_reset()		do {} while (0)
#endif

#define OMAP24XX_PM_RSTCTRL_WKUP	(OMAP24XX_PRCM_BASE + 0x450)
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static inline void arch_idle(void)
{
	cpu_do_idle();
}

static inline void arch_reset(char mode)
{
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	if (cpu_is_omap24xx()) {
		omap_writew(0x3, OMAP24XX_PM_RSTCTRL_WKUP);
		return;			/* Should never get here */
	}

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	/*
	 * 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);
	}
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	if (machine_is_voiceblue())
		voiceblue_reset();
	else
		omap_writew(1, ARM_RSTCT1);
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}

#endif