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283591f1 DL |
1 | /* |
2 | * Copyright (C) 2012 Samsung Electronics | |
3 | * Donghwa Lee <dh09.lee@samsung.com> | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
283591f1 DL |
6 | */ |
7 | ||
8 | #include <common.h> | |
9 | #include <asm/io.h> | |
10 | #include <asm/arch/power.h> | |
11 | ||
12 | static void exynos4_mipi_phy_control(unsigned int dev_index, | |
13 | unsigned int enable) | |
14 | { | |
15 | struct exynos4_power *pmu = | |
16 | (struct exynos4_power *)samsung_get_base_power(); | |
17 | unsigned int addr, cfg = 0; | |
18 | ||
19 | if (dev_index == 0) | |
20 | addr = (unsigned int)&pmu->mipi_phy0_control; | |
21 | else | |
22 | addr = (unsigned int)&pmu->mipi_phy1_control; | |
23 | ||
24 | ||
25 | cfg = readl(addr); | |
26 | if (enable) | |
27 | cfg |= (EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE); | |
28 | else | |
29 | cfg &= ~(EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE); | |
30 | ||
31 | writel(cfg, addr); | |
32 | } | |
33 | ||
34 | void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable) | |
35 | { | |
36 | if (cpu_is_exynos4()) | |
37 | exynos4_mipi_phy_control(dev_index, enable); | |
38 | } | |
c48ac113 RS |
39 | |
40 | void exynos5_set_usbhost_phy_ctrl(unsigned int enable) | |
41 | { | |
42 | struct exynos5_power *power = | |
43 | (struct exynos5_power *)samsung_get_base_power(); | |
44 | ||
45 | if (enable) { | |
46 | /* Enabling USBHOST_PHY */ | |
47 | setbits_le32(&power->usbhost_phy_control, | |
48 | POWER_USB_HOST_PHY_CTRL_EN); | |
49 | } else { | |
50 | /* Disabling USBHOST_PHY */ | |
51 | clrbits_le32(&power->usbhost_phy_control, | |
52 | POWER_USB_HOST_PHY_CTRL_EN); | |
53 | } | |
54 | } | |
55 | ||
56 | void set_usbhost_phy_ctrl(unsigned int enable) | |
57 | { | |
58 | if (cpu_is_exynos5()) | |
59 | exynos5_set_usbhost_phy_ctrl(enable); | |
60 | } | |
b6516677 DL |
61 | |
62 | static void exynos5_dp_phy_control(unsigned int enable) | |
63 | { | |
64 | unsigned int cfg; | |
65 | struct exynos5_power *power = | |
66 | (struct exynos5_power *)samsung_get_base_power(); | |
67 | ||
68 | cfg = readl(&power->dptx_phy_control); | |
69 | if (enable) | |
70 | cfg |= EXYNOS_DP_PHY_ENABLE; | |
71 | else | |
72 | cfg &= ~EXYNOS_DP_PHY_ENABLE; | |
73 | ||
74 | writel(cfg, &power->dptx_phy_control); | |
75 | } | |
76 | ||
77 | void set_dp_phy_ctrl(unsigned int enable) | |
78 | { | |
79 | if (cpu_is_exynos5()) | |
80 | exynos5_dp_phy_control(enable); | |
81 | } | |
51ff1eda RS |
82 | |
83 | static void exynos5_set_ps_hold_ctrl(void) | |
84 | { | |
85 | struct exynos5_power *power = | |
86 | (struct exynos5_power *)samsung_get_base_power(); | |
87 | ||
88 | /* Set PS-Hold high */ | |
89 | setbits_le32(&power->ps_hold_control, | |
90 | EXYNOS_PS_HOLD_CONTROL_DATA_HIGH); | |
91 | } | |
92 | ||
93 | void set_ps_hold_ctrl(void) | |
94 | { | |
95 | if (cpu_is_exynos5()) | |
96 | exynos5_set_ps_hold_ctrl(); | |
97 | } | |
a006076b RS |
98 | |
99 | ||
100 | static void exynos5_set_xclkout(void) | |
101 | { | |
102 | struct exynos5_power *power = | |
103 | (struct exynos5_power *)samsung_get_base_power(); | |
104 | ||
105 | /* use xxti for xclk out */ | |
106 | clrsetbits_le32(&power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK, | |
107 | PMU_DEBUG_XXTI); | |
108 | } | |
109 | ||
110 | void set_xclkout(void) | |
111 | { | |
112 | if (cpu_is_exynos5()) | |
113 | exynos5_set_xclkout(); | |
114 | } | |
3a0b1dae AS |
115 | |
116 | /* Enables hardware tripping to power off the system when TMU fails */ | |
117 | void set_hw_thermal_trip(void) | |
118 | { | |
119 | if (cpu_is_exynos5()) { | |
120 | struct exynos5_power *power = | |
121 | (struct exynos5_power *)samsung_get_base_power(); | |
122 | ||
123 | /* PS_HOLD_CONTROL register ENABLE_HW_TRIP bit*/ | |
124 | setbits_le32(&power->ps_hold_control, POWER_ENABLE_HW_TRIP); | |
125 | } | |
126 | } | |
dc20fdd7 RS |
127 | |
128 | static uint32_t exynos5_get_reset_status(void) | |
129 | { | |
130 | struct exynos5_power *power = | |
131 | (struct exynos5_power *)samsung_get_base_power(); | |
132 | ||
133 | return power->inform1; | |
134 | } | |
135 | ||
136 | static uint32_t exynos4_get_reset_status(void) | |
137 | { | |
138 | struct exynos4_power *power = | |
139 | (struct exynos4_power *)samsung_get_base_power(); | |
140 | ||
141 | return power->inform1; | |
142 | } | |
143 | ||
144 | uint32_t get_reset_status(void) | |
145 | { | |
146 | if (cpu_is_exynos5()) | |
147 | return exynos5_get_reset_status(); | |
148 | else | |
149 | return exynos4_get_reset_status(); | |
150 | } | |
151 | ||
152 | static void exynos5_power_exit_wakeup(void) | |
153 | { | |
154 | struct exynos5_power *power = | |
155 | (struct exynos5_power *)samsung_get_base_power(); | |
156 | typedef void (*resume_func)(void); | |
157 | ||
158 | ((resume_func)power->inform0)(); | |
159 | } | |
160 | ||
161 | static void exynos4_power_exit_wakeup(void) | |
162 | { | |
163 | struct exynos4_power *power = | |
164 | (struct exynos4_power *)samsung_get_base_power(); | |
165 | typedef void (*resume_func)(void); | |
166 | ||
167 | ((resume_func)power->inform0)(); | |
168 | } | |
169 | ||
170 | void power_exit_wakeup(void) | |
171 | { | |
172 | if (cpu_is_exynos5()) | |
173 | exynos5_power_exit_wakeup(); | |
174 | else | |
175 | exynos4_power_exit_wakeup(); | |
176 | } |