git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 209fecd1 KK |
1 | /* linux/arch/arm/mach-s5p6440/cpu.c |
| 2 | * | |
| 3 | * Copyright (c) 2009 Samsung Electronics Co., Ltd. | |
| 4 | * http://www.samsung.com/ | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | */ | |
| 10 | ||
| 11 | #include <linux/kernel.h> | |
| 12 | #include <linux/types.h> | |
| 13 | #include <linux/interrupt.h> | |
| 14 | #include <linux/list.h> | |
| 15 | #include <linux/timer.h> | |
| 16 | #include <linux/init.h> | |
| 17 | #include <linux/clk.h> | |
| 18 | #include <linux/io.h> | |
| 19 | #include <linux/sysdev.h> | |
| 20 | #include <linux/serial_core.h> | |
| 21 | #include <linux/platform_device.h> | |
| 4341f9b3 | 22 | #include <linux/sched.h> |
| 209fecd1 KK |
23 | |
| 24 | #include <asm/mach/arch.h> | |
| 25 | #include <asm/mach/map.h> | |
| 26 | #include <asm/mach/irq.h> | |
| 27 | ||
| 28 | #include <asm/proc-fns.h> | |
| 29 | ||
| 30 | #include <mach/hardware.h> | |
| 31 | #include <mach/map.h> | |
| 32 | #include <asm/irq.h> | |
| 33 | ||
| 34 | #include <plat/regs-serial.h> | |
| 35 | #include <mach/regs-clock.h> | |
| 36 | ||
| 37 | #include <plat/cpu.h> | |
| 38 | #include <plat/devs.h> | |
| 39 | #include <plat/clock.h> | |
| 40 | #include <plat/s5p6440.h> | |
| 50e9769a | 41 | #include <plat/adc-core.h> |
| 209fecd1 KK |
42 | |
| 43 | static void s5p6440_idle(void) | |
| 44 | { | |
| 45 | unsigned long val; | |
| 46 | ||
| 47 | if (!need_resched()) { | |
| 48 | val = __raw_readl(S5P_PWR_CFG); | |
| 49 | val &= ~(0x3<<5); | |
| 50 | val |= (0x1<<5); | |
| 51 | __raw_writel(val, S5P_PWR_CFG); | |
| 52 | ||
| 53 | cpu_do_idle(); | |
| 54 | } | |
| 55 | local_irq_enable(); | |
| 56 | } | |
| 57 | ||
| 58 | /* s5p6440_map_io | |
| 59 | * | |
| 60 | * register the standard cpu IO areas | |
| 61 | */ | |
| 62 | ||
| 63 | void __init s5p6440_map_io(void) | |
| 64 | { | |
| 65 | /* initialize any device information early */ | |
| 50e9769a | 66 | s3c_adc_setname("s3c64xx-adc"); |
| 209fecd1 KK |
67 | } |
| 68 | ||
| 69 | void __init s5p6440_init_clocks(int xtal) | |
| 70 | { | |
| 71 | printk(KERN_DEBUG "%s: initializing clocks\n", __func__); | |
| 72 | ||
| 73 | s3c24xx_register_baseclocks(xtal); | |
| 74 | s5p_register_clocks(xtal); | |
| 75 | s5p6440_register_clocks(); | |
| 76 | s5p6440_setup_clocks(); | |
| 77 | } | |
| 78 | ||
| 79 | void __init s5p6440_init_irq(void) | |
| 80 | { | |
| 81 | /* S5P6440 supports only 2 VIC */ | |
| 82 | u32 vic[2]; | |
| 83 | ||
| 84 | /* | |
| 85 | * VIC0 is missing IRQ_VIC0[3, 4, 8, 10, (12-22)] | |
| 86 | * VIC1 is missing IRQ VIC1[1, 3, 4, 10, 11, 12, 14, 15, 22] | |
| 87 | */ | |
| 88 | vic[0] = 0xff800ae7; | |
| 89 | vic[1] = 0xffbf23e5; | |
| 90 | ||
| 91 | s5p_init_irq(vic, ARRAY_SIZE(vic)); | |
| 92 | } | |
| 93 | ||
| 0ad73cef | 94 | struct sysdev_class s5p6440_sysclass = { |
| 209fecd1 KK |
95 | .name = "s5p6440-core", |
| 96 | }; | |
| 97 | ||
| 98 | static struct sys_device s5p6440_sysdev = { | |
| 99 | .cls = &s5p6440_sysclass, | |
| 100 | }; | |
| 101 | ||
| 102 | static int __init s5p6440_core_init(void) | |
| 103 | { | |
| 104 | return sysdev_class_register(&s5p6440_sysclass); | |
| 105 | } | |
| 106 | ||
| 107 | core_initcall(s5p6440_core_init); | |
| 108 | ||
| 109 | int __init s5p6440_init(void) | |
| 110 | { | |
| 111 | printk(KERN_INFO "S5P6440: Initializing architecture\n"); | |
| 112 | ||
| 113 | /* set idle function */ | |
| 114 | pm_idle = s5p6440_idle; | |
| 115 | ||
| 116 | return sysdev_register(&s5p6440_sysdev); | |
| 117 | } |