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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Donghwa Lee283591f2012-04-05 19:36:10 +00002/*
3 * Copyright (C) 2012 Samsung Electronics
4 * Donghwa Lee <dh09.lee@samsung.com>
Donghwa Lee283591f2012-04-05 19:36:10 +00005 */
6
7#include <common.h>
8#include <asm/io.h>
9#include <asm/arch/power.h>
10
11static void exynos4_mipi_phy_control(unsigned int dev_index,
12 unsigned int enable)
13{
14 struct exynos4_power *pmu =
15 (struct exynos4_power *)samsung_get_base_power();
16 unsigned int addr, cfg = 0;
17
18 if (dev_index == 0)
19 addr = (unsigned int)&pmu->mipi_phy0_control;
20 else
21 addr = (unsigned int)&pmu->mipi_phy1_control;
22
23
24 cfg = readl(addr);
25 if (enable)
26 cfg |= (EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE);
27 else
28 cfg &= ~(EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE);
29
30 writel(cfg, addr);
31}
32
33void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable)
34{
35 if (cpu_is_exynos4())
36 exynos4_mipi_phy_control(dev_index, enable);
37}
Rajeshwari Shindec48ac112012-05-14 05:52:03 +000038
39void exynos5_set_usbhost_phy_ctrl(unsigned int enable)
40{
41 struct exynos5_power *power =
42 (struct exynos5_power *)samsung_get_base_power();
43
44 if (enable) {
45 /* Enabling USBHOST_PHY */
46 setbits_le32(&power->usbhost_phy_control,
47 POWER_USB_HOST_PHY_CTRL_EN);
48 } else {
49 /* Disabling USBHOST_PHY */
50 clrbits_le32(&power->usbhost_phy_control,
51 POWER_USB_HOST_PHY_CTRL_EN);
52 }
53}
54
Suriyan Ramasamibdba1322014-10-29 09:22:42 -070055void exynos4412_set_usbhost_phy_ctrl(unsigned int enable)
56{
57 struct exynos4412_power *power =
58 (struct exynos4412_power *)samsung_get_base_power();
59
60 if (enable) {
61 /* Enabling USBHOST_PHY */
62 setbits_le32(&power->usbhost_phy_control,
63 POWER_USB_HOST_PHY_CTRL_EN);
64 setbits_le32(&power->hsic1_phy_control,
65 POWER_USB_HOST_PHY_CTRL_EN);
66 setbits_le32(&power->hsic2_phy_control,
67 POWER_USB_HOST_PHY_CTRL_EN);
68 } else {
69 /* Disabling USBHOST_PHY */
70 clrbits_le32(&power->usbhost_phy_control,
71 POWER_USB_HOST_PHY_CTRL_EN);
72 clrbits_le32(&power->hsic1_phy_control,
73 POWER_USB_HOST_PHY_CTRL_EN);
74 clrbits_le32(&power->hsic2_phy_control,
75 POWER_USB_HOST_PHY_CTRL_EN);
76 }
77}
78
Rajeshwari Shindec48ac112012-05-14 05:52:03 +000079void set_usbhost_phy_ctrl(unsigned int enable)
80{
81 if (cpu_is_exynos5())
82 exynos5_set_usbhost_phy_ctrl(enable);
Suriyan Ramasamibdba1322014-10-29 09:22:42 -070083 else if (cpu_is_exynos4())
84 if (proid_is_exynos4412())
85 exynos4412_set_usbhost_phy_ctrl(enable);
Rajeshwari Shindec48ac112012-05-14 05:52:03 +000086}
Donghwa Leeb6516672012-07-02 01:15:56 +000087
Vivek Gautam80c4c592013-09-14 14:02:47 +053088static void exynos5_set_usbdrd_phy_ctrl(unsigned int enable)
89{
90 struct exynos5_power *power =
91 (struct exynos5_power *)samsung_get_base_power();
92
93 if (enable) {
94 /* Enabling USBDRD_PHY */
95 setbits_le32(&power->usbdrd_phy_control,
96 POWER_USB_DRD_PHY_CTRL_EN);
97 } else {
98 /* Disabling USBDRD_PHY */
99 clrbits_le32(&power->usbdrd_phy_control,
100 POWER_USB_DRD_PHY_CTRL_EN);
101 }
102}
103
Joonyoung Shim483e49b2015-01-21 13:51:32 +0900104static void exynos5420_set_usbdev_phy_ctrl(unsigned int enable)
105{
106 struct exynos5420_power *power =
107 (struct exynos5420_power *)samsung_get_base_power();
108
109 if (enable) {
110 /* Enabling USBDEV_PHY */
111 setbits_le32(&power->usbdev_phy_control,
112 POWER_USB_DRD_PHY_CTRL_EN);
113 setbits_le32(&power->usbdev1_phy_control,
114 POWER_USB_DRD_PHY_CTRL_EN);
115 } else {
116 /* Disabling USBDEV_PHY */
117 clrbits_le32(&power->usbdev_phy_control,
118 POWER_USB_DRD_PHY_CTRL_EN);
119 clrbits_le32(&power->usbdev1_phy_control,
120 POWER_USB_DRD_PHY_CTRL_EN);
121 }
122}
123
Vivek Gautam80c4c592013-09-14 14:02:47 +0530124void set_usbdrd_phy_ctrl(unsigned int enable)
125{
Joonyoung Shim483e49b2015-01-21 13:51:32 +0900126 if (cpu_is_exynos5()) {
Simon Glasscf9007c2018-12-10 10:37:40 -0700127 if (proid_is_exynos542x())
Joonyoung Shim483e49b2015-01-21 13:51:32 +0900128 exynos5420_set_usbdev_phy_ctrl(enable);
129 else
130 exynos5_set_usbdrd_phy_ctrl(enable);
131 }
Vivek Gautam80c4c592013-09-14 14:02:47 +0530132}
133
Donghwa Leeb6516672012-07-02 01:15:56 +0000134static void exynos5_dp_phy_control(unsigned int enable)
135{
136 unsigned int cfg;
137 struct exynos5_power *power =
138 (struct exynos5_power *)samsung_get_base_power();
139
140 cfg = readl(&power->dptx_phy_control);
141 if (enable)
142 cfg |= EXYNOS_DP_PHY_ENABLE;
143 else
144 cfg &= ~EXYNOS_DP_PHY_ENABLE;
145
146 writel(cfg, &power->dptx_phy_control);
147}
148
Simon Glass7eb860d2016-02-21 21:08:57 -0700149void exynos_dp_phy_ctrl(unsigned int enable)
Donghwa Leeb6516672012-07-02 01:15:56 +0000150{
151 if (cpu_is_exynos5())
152 exynos5_dp_phy_control(enable);
153}
Rajeshwari Shinde51ff1ed2013-02-12 20:40:01 +0000154
155static void exynos5_set_ps_hold_ctrl(void)
156{
157 struct exynos5_power *power =
158 (struct exynos5_power *)samsung_get_base_power();
159
160 /* Set PS-Hold high */
161 setbits_le32(&power->ps_hold_control,
162 EXYNOS_PS_HOLD_CONTROL_DATA_HIGH);
163}
164
Doug Anderson567802b2014-05-29 21:40:54 +0530165/*
166 * Set ps_hold data driving value high
167 * This enables the machine to stay powered on
168 * after the initial power-on condition goes away
169 * (e.g. power button).
170 */
Rajeshwari Shinde51ff1ed2013-02-12 20:40:01 +0000171void set_ps_hold_ctrl(void)
172{
173 if (cpu_is_exynos5())
174 exynos5_set_ps_hold_ctrl();
175}
Rajeshwari Shindea0060762013-02-14 19:46:11 +0000176
177
178static void exynos5_set_xclkout(void)
179{
180 struct exynos5_power *power =
181 (struct exynos5_power *)samsung_get_base_power();
182
183 /* use xxti for xclk out */
184 clrsetbits_le32(&power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK,
185 PMU_DEBUG_XXTI);
186}
187
188void set_xclkout(void)
189{
190 if (cpu_is_exynos5())
191 exynos5_set_xclkout();
192}
Akshay Saraswat3a0b1da2013-02-25 01:13:06 +0000193
194/* Enables hardware tripping to power off the system when TMU fails */
195void set_hw_thermal_trip(void)
196{
197 if (cpu_is_exynos5()) {
198 struct exynos5_power *power =
199 (struct exynos5_power *)samsung_get_base_power();
200
201 /* PS_HOLD_CONTROL register ENABLE_HW_TRIP bit*/
202 setbits_le32(&power->ps_hold_control, POWER_ENABLE_HW_TRIP);
203 }
204}
Rajeshwari Shindedc20fdd2013-07-04 12:29:14 +0530205
206static uint32_t exynos5_get_reset_status(void)
207{
208 struct exynos5_power *power =
209 (struct exynos5_power *)samsung_get_base_power();
210
211 return power->inform1;
212}
213
214static uint32_t exynos4_get_reset_status(void)
215{
216 struct exynos4_power *power =
217 (struct exynos4_power *)samsung_get_base_power();
218
219 return power->inform1;
220}
221
222uint32_t get_reset_status(void)
223{
224 if (cpu_is_exynos5())
225 return exynos5_get_reset_status();
226 else
227 return exynos4_get_reset_status();
228}
229
230static void exynos5_power_exit_wakeup(void)
231{
232 struct exynos5_power *power =
233 (struct exynos5_power *)samsung_get_base_power();
234 typedef void (*resume_func)(void);
235
236 ((resume_func)power->inform0)();
237}
238
239static void exynos4_power_exit_wakeup(void)
240{
241 struct exynos4_power *power =
242 (struct exynos4_power *)samsung_get_base_power();
243 typedef void (*resume_func)(void);
244
245 ((resume_func)power->inform0)();
246}
247
248void power_exit_wakeup(void)
249{
250 if (cpu_is_exynos5())
251 exynos5_power_exit_wakeup();
252 else
253 exynos4_power_exit_wakeup();
254}
Przemyslaw Marczak4fb4d552014-09-01 13:50:44 +0200255
256unsigned int get_boot_mode(void)
257{
258 unsigned int om_pin = samsung_get_base_power();
259
260 return readl(om_pin) & OM_PIN_MASK;
261}