1/* linux/arch/arm/mach-s3c2410/include/pm-core.h 2 * 3 * Copyright 2008 Simtec Electronics 4 * Ben Dooks <ben@simtec.co.uk> 5 * http://armlinux.simtec.co.uk/ 6 * 7 * S3C24xx - PM core support for arch/arm/plat-s3c/pm.c 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 */ 13 14static inline void s3c_pm_debug_init_uart(void) 15{ 16 unsigned long tmp = __raw_readl(S3C2410_CLKCON); 17 18 /* re-start uart clocks */ 19 tmp |= S3C2410_CLKCON_UART0; 20 tmp |= S3C2410_CLKCON_UART1; 21 tmp |= S3C2410_CLKCON_UART2; 22 23 __raw_writel(tmp, S3C2410_CLKCON); 24 udelay(10); 25} 26 27static inline void s3c_pm_arch_prepare_irqs(void) 28{ 29 __raw_writel(s3c_irqwake_intmask, S3C2410_INTMSK); 30 __raw_writel(s3c_irqwake_eintmask, S3C2410_EINTMASK); 31 32 /* ack any outstanding external interrupts before we go to sleep */ 33 34 __raw_writel(__raw_readl(S3C2410_EINTPEND), S3C2410_EINTPEND); 35 __raw_writel(__raw_readl(S3C2410_INTPND), S3C2410_INTPND); 36 __raw_writel(__raw_readl(S3C2410_SRCPND), S3C2410_SRCPND); 37 38} 39 40static inline void s3c_pm_arch_stop_clocks(void) 41{ 42 __raw_writel(0x00, S3C2410_CLKCON); /* turn off clocks over sleep */ 43} 44 45static void s3c_pm_show_resume_irqs(int start, unsigned long which, 46 unsigned long mask); 47 48static inline void s3c_pm_arch_show_resume_irqs(void) 49{ 50 S3C_PMDBG("post sleep: IRQs 0x%08x, 0x%08x\n", 51 __raw_readl(S3C2410_SRCPND), 52 __raw_readl(S3C2410_EINTPEND)); 53 54 s3c_pm_show_resume_irqs(IRQ_EINT0, __raw_readl(S3C2410_SRCPND), 55 s3c_irqwake_intmask); 56 57 s3c_pm_show_resume_irqs(IRQ_EINT4-4, __raw_readl(S3C2410_EINTPEND), 58 s3c_irqwake_eintmask); 59} 60 61static inline void s3c_pm_arch_update_uart(void __iomem *regs, 62 struct pm_uart_save *save) 63{ 64} 65