mirror of https://gitee.com/openkylin/linux.git
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/* linux/arch/arm/mach-s3c2410/include/pm-core.h
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*
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* Copyright 2008 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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* http://armlinux.simtec.co.uk/
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*
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* S3C24xx - PM core support for arch/arm/plat-s3c/pm.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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static inline void s3c_pm_debug_init_uart(void)
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{
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unsigned long tmp = __raw_readl(S3C2410_CLKCON);
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/* re-start uart clocks */
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tmp |= S3C2410_CLKCON_UART0;
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tmp |= S3C2410_CLKCON_UART1;
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tmp |= S3C2410_CLKCON_UART2;
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__raw_writel(tmp, S3C2410_CLKCON);
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udelay(10);
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}
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static inline void s3c_pm_arch_prepare_irqs(void)
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{
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__raw_writel(s3c_irqwake_intmask, S3C2410_INTMSK);
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__raw_writel(s3c_irqwake_eintmask, S3C2410_EINTMASK);
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/* ack any outstanding external interrupts before we go to sleep */
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__raw_writel(__raw_readl(S3C2410_EINTPEND), S3C2410_EINTPEND);
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__raw_writel(__raw_readl(S3C2410_INTPND), S3C2410_INTPND);
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__raw_writel(__raw_readl(S3C2410_SRCPND), S3C2410_SRCPND);
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}
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static inline void s3c_pm_arch_stop_clocks(void)
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{
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__raw_writel(0x00, S3C2410_CLKCON); /* turn off clocks over sleep */
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}
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static void s3c_pm_show_resume_irqs(int start, unsigned long which,
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unsigned long mask);
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static inline void s3c_pm_arch_show_resume_irqs(void)
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{
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S3C_PMDBG("post sleep: IRQs 0x%08x, 0x%08x\n",
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__raw_readl(S3C2410_SRCPND),
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__raw_readl(S3C2410_EINTPEND));
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s3c_pm_show_resume_irqs(IRQ_EINT0, __raw_readl(S3C2410_SRCPND),
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s3c_irqwake_intmask);
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s3c_pm_show_resume_irqs(IRQ_EINT4-4, __raw_readl(S3C2410_EINTPEND),
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s3c_irqwake_eintmask);
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}
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static inline void s3c_pm_arch_update_uart(void __iomem *regs,
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struct pm_uart_save *save)
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{
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}
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static inline void s3c_pm_restored_gpios(void) { }
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static inline void s3c_pm_saved_gpios(void) { }
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