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/*
* Copyright 2009 Dmitriy Taychenachev <dimichxp@gmail.com>
*
* This file is released under the GPLv2 or later.
*/
#include <linux/delay.h>
#include <linux/io.h>
#include <asm/proc-fns.h>
#include <mach/hardware.h>
#include "crm_regs.h"
#define WDOG_WCR MXC91231_IO_ADDRESS(MXC91231_WDOG1_BASE_ADDR)
#define WDOG_WCR_OUT_ENABLE (1 << 6)
#define WDOG_WCR_ASSERT (1 << 5)
void mxc91231_power_off(void)
{
u16 wcr;
wcr = __raw_readw(WDOG_WCR);
wcr |= WDOG_WCR_OUT_ENABLE;
wcr &= ~WDOG_WCR_ASSERT;
__raw_writew(wcr, WDOG_WCR);
}
void mxc91231_arch_reset(char mode, const char *cmd)
{
u32 amcr;
/* Reset the AP using CRM */
amcr = __raw_readl(MXC_CRMAP_AMCR);
amcr &= ~MXC_CRMAP_AMCR_SW_AP;
__raw_writel(amcr, MXC_CRMAP_AMCR);
mdelay(10);
cpu_reset(0);
}
void mxc91231_prepare_idle(void)
{
u32 crm_ctl;
/* Go to WAIT mode after WFI */
crm_ctl = __raw_readl(MXC_DSM_CRM_CONTROL);
crm_ctl &= ~(MXC_DSM_CRM_CTRL_LPMD0 | MXC_DSM_CRM_CTRL_LPMD1);
crm_ctl |= MXC_DSM_CRM_CTRL_LPMD_WAIT_MODE;
__raw_writel(crm_ctl, MXC_DSM_CRM_CONTROL);
}
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