Commit | Line | Data |
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431fb7df | 1 | /* linux/arch/arm/mach-s3c2410/include/pm-core.h |
2261e0e6 BD |
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 | ||
14 | static 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 | ||
27 | static 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 | ||
40 | static inline void s3c_pm_arch_stop_clocks(void) | |
41 | { | |
42 | __raw_writel(0x00, S3C2410_CLKCON); /* turn off clocks over sleep */ | |
43 | } | |
44 | ||
45 | static void s3c_pm_show_resume_irqs(int start, unsigned long which, | |
46 | unsigned long mask); | |
47 | ||
48 | static 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 | } | |
57699e9a BD |
60 | |
61 | static inline void s3c_pm_arch_update_uart(void __iomem *regs, | |
62 | struct pm_uart_save *save) | |
63 | { | |
64 | } | |
1bac282a BD |
65 | |
66 | static inline void s3c_pm_restored_gpios(void) { } | |
782d8a3c | 67 | static inline void samsung_pm_saved_gpios(void) { } |