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/* linux/arch/arm/plat-s3c24xx/include/plat/pll.h
*
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C24xx - PM core support for arch/arm/plat-s3c/pm.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
static inline void s3c_pm_debug_init_uart(void)
{
unsigned long tmp = __raw_readl(S3C2410_CLKCON);
/* re-start uart clocks */
tmp |= S3C2410_CLKCON_UART0;
tmp |= S3C2410_CLKCON_UART1;
tmp |= S3C2410_CLKCON_UART2;
__raw_writel(tmp, S3C2410_CLKCON);
udelay(10);
}
static inline void s3c_pm_arch_prepare_irqs(void)
{
__raw_writel(s3c_irqwake_intmask, S3C2410_INTMSK);
__raw_writel(s3c_irqwake_eintmask, S3C2410_EINTMASK);
/* ack any outstanding external interrupts before we go to sleep */
__raw_writel(__raw_readl(S3C2410_EINTPEND), S3C2410_EINTPEND);
__raw_writel(__raw_readl(S3C2410_INTPND), S3C2410_INTPND);
__raw_writel(__raw_readl(S3C2410_SRCPND), S3C2410_SRCPND);
}
static inline void s3c_pm_arch_stop_clocks(void)
{
__raw_writel(0x00, S3C2410_CLKCON); /* turn off clocks over sleep */
}
static void s3c_pm_show_resume_irqs(int start, unsigned long which,
unsigned long mask);
static inline void s3c_pm_arch_show_resume_irqs(void)
{
S3C_PMDBG("post sleep: IRQs 0x%08x, 0x%08x\n",
__raw_readl(S3C2410_SRCPND),
__raw_readl(S3C2410_EINTPEND));
s3c_pm_show_resume_irqs(IRQ_EINT0, __raw_readl(S3C2410_SRCPND),
s3c_irqwake_intmask);
s3c_pm_show_resume_irqs(IRQ_EINT4-4, __raw_readl(S3C2410_EINTPEND),
s3c_irqwake_eintmask);
}
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