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Kukjin Kimcc511b82011-12-27 08:18:36 +01001/*
2 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
3 * http://www.samsung.com
4 *
5 * Common Header for EXYNOS machines
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H
13#define __ARCH_ARM_MACH_EXYNOS_COMMON_H
14
Thomas Abraham6e6aac72013-03-09 17:03:05 +090015#include <linux/of.h>
Bartlomiej Zolnierkiewicz712eddf2015-01-24 14:05:50 +090016#include <linux/platform_data/cpuidle-exynos.h>
Thomas Abraham6e6aac72013-03-09 17:03:05 +090017
Chanwoo Choi940bc582014-05-26 04:12:26 +090018#define EXYNOS3250_SOC_ID 0xE3472000
19#define EXYNOS3_SOC_MASK 0xFFFFF000
20
Sachin Kamat7cb2ded2014-05-13 07:11:57 +090021#define EXYNOS4210_CPU_ID 0x43210000
22#define EXYNOS4212_CPU_ID 0x43220000
23#define EXYNOS4412_CPU_ID 0xE4412200
24#define EXYNOS4_CPU_MASK 0xFFFE0000
25
26#define EXYNOS5250_SOC_ID 0x43520000
Tarek Dakhran723c9c72014-05-27 06:54:12 +090027#define EXYNOS5410_SOC_ID 0xE5410000
Sachin Kamat7cb2ded2014-05-13 07:11:57 +090028#define EXYNOS5420_SOC_ID 0xE5420000
29#define EXYNOS5440_SOC_ID 0xE5440000
Arun Kumar K86c6f142014-05-26 04:16:11 +090030#define EXYNOS5800_SOC_ID 0xE5422000
Sachin Kamat7cb2ded2014-05-13 07:11:57 +090031#define EXYNOS5_SOC_MASK 0xFFFFF000
32
33extern unsigned long samsung_cpu_id;
34
35#define IS_SAMSUNG_CPU(name, id, mask) \
36static inline int is_samsung_##name(void) \
37{ \
38 return ((samsung_cpu_id & mask) == (id & mask)); \
39}
40
Chanwoo Choi940bc582014-05-26 04:12:26 +090041IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)
Sachin Kamat7cb2ded2014-05-13 07:11:57 +090042IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
43IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
44IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
45IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
Tarek Dakhran723c9c72014-05-27 06:54:12 +090046IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)
Sachin Kamat7cb2ded2014-05-13 07:11:57 +090047IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
48IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
Arun Kumar K86c6f142014-05-26 04:16:11 +090049IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)
Sachin Kamat7cb2ded2014-05-13 07:11:57 +090050
Chanwoo Choi940bc582014-05-26 04:12:26 +090051#if defined(CONFIG_SOC_EXYNOS3250)
52# define soc_is_exynos3250() is_samsung_exynos3250()
53#else
54# define soc_is_exynos3250() 0
55#endif
56
Sachin Kamat7cb2ded2014-05-13 07:11:57 +090057#if defined(CONFIG_CPU_EXYNOS4210)
58# define soc_is_exynos4210() is_samsung_exynos4210()
59#else
60# define soc_is_exynos4210() 0
61#endif
62
63#if defined(CONFIG_SOC_EXYNOS4212)
64# define soc_is_exynos4212() is_samsung_exynos4212()
65#else
66# define soc_is_exynos4212() 0
67#endif
68
69#if defined(CONFIG_SOC_EXYNOS4412)
70# define soc_is_exynos4412() is_samsung_exynos4412()
71#else
72# define soc_is_exynos4412() 0
73#endif
74
75#define EXYNOS4210_REV_0 (0x0)
76#define EXYNOS4210_REV_1_0 (0x10)
77#define EXYNOS4210_REV_1_1 (0x11)
78
79#if defined(CONFIG_SOC_EXYNOS5250)
80# define soc_is_exynos5250() is_samsung_exynos5250()
81#else
82# define soc_is_exynos5250() 0
83#endif
84
Tarek Dakhran723c9c72014-05-27 06:54:12 +090085#if defined(CONFIG_SOC_EXYNOS5410)
86# define soc_is_exynos5410() is_samsung_exynos5410()
87#else
88# define soc_is_exynos5410() 0
89#endif
90
Sachin Kamat7cb2ded2014-05-13 07:11:57 +090091#if defined(CONFIG_SOC_EXYNOS5420)
92# define soc_is_exynos5420() is_samsung_exynos5420()
93#else
94# define soc_is_exynos5420() 0
95#endif
96
97#if defined(CONFIG_SOC_EXYNOS5440)
98# define soc_is_exynos5440() is_samsung_exynos5440()
99#else
100# define soc_is_exynos5440() 0
101#endif
102
Arun Kumar K86c6f142014-05-26 04:16:11 +0900103#if defined(CONFIG_SOC_EXYNOS5800)
104# define soc_is_exynos5800() is_samsung_exynos5800()
105#else
106# define soc_is_exynos5800() 0
107#endif
108
Sachin Kamat7cb2ded2014-05-13 07:11:57 +0900109#define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \
110 soc_is_exynos4412())
Tarek Dakhran723c9c72014-05-27 06:54:12 +0900111#define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5410() || \
112 soc_is_exynos5420() || soc_is_exynos5800())
Sachin Kamat7cb2ded2014-05-13 07:11:57 +0900113
Tomasz Figa2b9d9c32014-09-24 01:24:39 +0900114extern u32 cp15_save_diag;
115extern u32 cp15_save_power;
116
Sachin Kamatb3205de2014-05-13 07:13:44 +0900117extern void __iomem *sysram_ns_base_addr;
Daniel Lezcanocd245f52014-05-26 04:50:34 +0900118extern void __iomem *sysram_base_addr;
Pankaj Dubeyfce9e5b2014-07-11 08:08:29 +0900119extern void __iomem *pmu_base_addr;
Olof Johansson1754c422014-06-02 21:47:46 -0700120void exynos_sysram_init(void);
Shawn Guobb13fab2012-04-26 10:35:40 +0800121
Bartlomiej Zolnierkiewicz0b7778a2014-09-25 17:59:41 +0900122enum {
123 FW_DO_IDLE_SLEEP,
124 FW_DO_IDLE_AFTR,
125};
126
Tomasz Figabca28f82012-12-11 13:58:43 +0900127void exynos_firmware_init(void);
128
Bartlomiej Zolnierkiewiczdc1b9442015-03-27 02:32:56 +0900129/* CPU BOOT mode flag for Exynos3250 SoC bootloader */
130#define C2_STATE (1 << 3)
Krzysztof Kozlowski054e6aa2015-06-14 13:38:23 +0900131/*
132 * Magic values for bootloader indicating chosen low power mode.
133 * See also Documentation/arm/Samsung/Bootloader-interface.txt
134 */
135#define EXYNOS_SLEEP_MAGIC 0x00000bad
136#define EXYNOS_AFTR_MAGIC 0xfcba0d10
Bartlomiej Zolnierkiewiczdc1b9442015-03-27 02:32:56 +0900137
138void exynos_set_boot_flag(unsigned int cpu, unsigned int mode);
139void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode);
140
Tomasz Figad710aa32014-03-18 07:28:27 +0900141extern u32 exynos_get_eint_wake_mask(void);
Tomasz Figad710aa32014-03-18 07:28:27 +0900142
Tomasz Figa559ba232014-03-18 07:28:22 +0900143#ifdef CONFIG_PM_SLEEP
144extern void __init exynos_pm_init(void);
145#else
146static inline void exynos_pm_init(void) {}
147#endif
148
Tomasz Figad710aa32014-03-18 07:28:27 +0900149extern void exynos_cpu_resume(void);
Tomasz Figa2b9d9c32014-09-24 01:24:39 +0900150extern void exynos_cpu_resume_ns(void);
Tomasz Figad710aa32014-03-18 07:28:27 +0900151
Marc Zyngier06853ae2011-09-08 13:15:22 +0100152extern struct smp_operations exynos_smp_ops;
153
Leela Krishna Amudalad3af6972014-05-16 04:23:24 +0900154extern void exynos_cpu_power_down(int cpu);
155extern void exynos_cpu_power_up(int cpu);
156extern int exynos_cpu_power_state(int cpu);
Abhilash Kesavan096d21c2014-05-16 04:23:26 +0900157extern void exynos_cluster_power_down(int cluster);
158extern void exynos_cluster_power_up(int cluster);
159extern int exynos_cluster_power_state(int cluster);
Bartlomiej Zolnierkiewicz0d713cf2014-09-25 18:02:45 +0900160extern void exynos_cpu_save_register(void);
161extern void exynos_cpu_restore_register(void);
162extern void exynos_pm_central_suspend(void);
163extern int exynos_pm_central_resume(void);
Daniel Lezcano3681baf2014-05-09 06:53:00 +0900164extern void exynos_enter_aftr(void);
Kukjin Kimccd458c2012-12-31 10:06:48 -0800165
Bartlomiej Zolnierkiewicz712eddf2015-01-24 14:05:50 +0900166extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;
167
Krzysztof Kozlowski6f024972015-03-11 11:13:57 +0100168extern void exynos_set_delayed_reset_assertion(bool enable);
169
Sachin Kamat7cb2ded2014-05-13 07:11:57 +0900170extern void s5p_init_cpu(void __iomem *cpuid_addr);
171extern unsigned int samsung_rev(void);
Bartlomiej Zolnierkiewiczaf997112015-03-18 14:09:57 +0100172extern void exynos_core_restart(u32 core_id);
173extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr);
174extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr);
Sachin Kamat7cb2ded2014-05-13 07:11:57 +0900175
Pankaj Dubey2e94ac42014-07-19 03:43:22 +0900176static inline void pmu_raw_writel(u32 val, u32 offset)
177{
178 __raw_writel(val, pmu_base_addr + offset);
179}
180
181static inline u32 pmu_raw_readl(u32 offset)
182{
183 return __raw_readl(pmu_base_addr + offset);
184}
185
Kukjin Kimcc511b82011-12-27 08:18:36 +0100186#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */