| /* linux/arch/arm/mach-s3c2410/include/pm-core.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); |
| } |
| |
| static inline void s3c_pm_arch_update_uart(void __iomem *regs, |
| struct pm_uart_save *save) |
| { |
| } |
