x86/boot: Rename overlapping memcpy() to memmove()
[linux/fpc-iii.git] / arch / arm / mach-s3c24xx / include / mach / pm-core.h
blob712333fec589214e710992b25cde14600e9c705d
1 /* linux/arch/arm/mach-s3c2410/include/pm-core.h
3 * Copyright 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
7 * S3C24xx - PM core support for arch/arm/plat-s3c/pm.c
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.
13 #include <linux/delay.h>
14 #include <linux/io.h>
16 #include "regs-clock.h"
17 #include "regs-irq.h"
19 static inline void s3c_pm_debug_init_uart(void)
21 unsigned long tmp = __raw_readl(S3C2410_CLKCON);
23 /* re-start uart clocks */
24 tmp |= S3C2410_CLKCON_UART0;
25 tmp |= S3C2410_CLKCON_UART1;
26 tmp |= S3C2410_CLKCON_UART2;
28 __raw_writel(tmp, S3C2410_CLKCON);
29 udelay(10);
32 static inline void s3c_pm_arch_prepare_irqs(void)
34 __raw_writel(s3c_irqwake_intmask, S3C2410_INTMSK);
35 __raw_writel(s3c_irqwake_eintmask, S3C2410_EINTMASK);
37 /* ack any outstanding external interrupts before we go to sleep */
39 __raw_writel(__raw_readl(S3C2410_EINTPEND), S3C2410_EINTPEND);
40 __raw_writel(__raw_readl(S3C2410_INTPND), S3C2410_INTPND);
41 __raw_writel(__raw_readl(S3C2410_SRCPND), S3C2410_SRCPND);
45 static inline void s3c_pm_arch_stop_clocks(void)
47 __raw_writel(0x00, S3C2410_CLKCON); /* turn off clocks over sleep */
50 /* s3c2410_pm_show_resume_irqs
52 * print any IRQs asserted at resume time (ie, we woke from)
54 static inline void s3c_pm_show_resume_irqs(int start, unsigned long which,
55 unsigned long mask)
57 int i;
59 which &= ~mask;
61 for (i = 0; i <= 31; i++) {
62 if (which & (1L<<i)) {
63 S3C_PMDBG("IRQ %d asserted at resume\n", start+i);
68 static inline void s3c_pm_arch_show_resume_irqs(void)
70 S3C_PMDBG("post sleep: IRQs 0x%08x, 0x%08x\n",
71 __raw_readl(S3C2410_SRCPND),
72 __raw_readl(S3C2410_EINTPEND));
74 s3c_pm_show_resume_irqs(IRQ_EINT0, __raw_readl(S3C2410_SRCPND),
75 s3c_irqwake_intmask);
77 s3c_pm_show_resume_irqs(IRQ_EINT4-4, __raw_readl(S3C2410_EINTPEND),
78 s3c_irqwake_eintmask);
81 static inline void s3c_pm_arch_update_uart(void __iomem *regs,
82 struct pm_uart_save *save)
86 static inline void s3c_pm_restored_gpios(void) { }
87 static inline void samsung_pm_saved_gpios(void) { }
89 /* state for IRQs over sleep */
91 /* default is to allow for EINT0..EINT15, and IRQ_RTC as wakeup sources
93 * set bit to 1 in allow bitfield to enable the wakeup settings on it
95 #ifdef CONFIG_PM_SLEEP
96 #define s3c_irqwake_intallow (1L << 30 | 0xfL)
97 #define s3c_irqwake_eintallow (0x0000fff0L)
98 #else
99 #define s3c_irqwake_eintallow 0
100 #define s3c_irqwake_intallow 0
101 #endif