1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * AM33XX Power domain data
4 *
5 * Copyright (C) 2011-2012 Texas Instruments Incorporated - https://www.ti.com/
6 */
7
8 #include <linux/kernel.h>
9 #include <linux/init.h>
10
11 #include "powerdomain.h"
12 #include "prcm-common.h"
13 #include "prm-regbits-33xx.h"
14 #include "prm33xx.h"
15
16 static struct powerdomain gfx_33xx_pwrdm = {
17 .name = "gfx_pwrdm",
18 .voltdm = { .name = "core" },
19 .prcm_offs = AM33XX_PRM_GFX_MOD,
20 .pwrstctrl_offs = AM33XX_PM_GFX_PWRSTCTRL_OFFSET,
21 .pwrstst_offs = AM33XX_PM_GFX_PWRSTST_OFFSET,
22 .pwrsts = PWRSTS_OFF_RET_ON,
23 .pwrsts_logic_ret = PWRSTS_OFF_RET,
24 .flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
25 .banks = 1,
26 .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK,
27 .mem_on_mask = {
28 [0] = AM33XX_GFX_MEM_ONSTATE_MASK, /* gfx_mem */
29 },
30 .mem_ret_mask = {
31 [0] = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */
32 },
33 .mem_pwrst_mask = {
34 [0] = AM33XX_GFX_MEM_STATEST_MASK, /* gfx_mem */
35 },
36 .mem_retst_mask = {
37 [0] = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */
38 },
39 .pwrsts_mem_ret = {
40 [0] = PWRSTS_OFF_RET, /* gfx_mem */
41 },
42 .pwrsts_mem_on = {
43 [0] = PWRSTS_ON, /* gfx_mem */
44 },
45 };
46
47 static struct powerdomain rtc_33xx_pwrdm = {
48 .name = "rtc_pwrdm",
49 .voltdm = { .name = "rtc" },
50 .prcm_offs = AM33XX_PRM_RTC_MOD,
51 .pwrstctrl_offs = AM33XX_PM_RTC_PWRSTCTRL_OFFSET,
52 .pwrstst_offs = AM33XX_PM_RTC_PWRSTST_OFFSET,
53 .pwrsts = PWRSTS_ON,
54 .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK,
55 };
56
57 static struct powerdomain wkup_33xx_pwrdm = {
58 .name = "wkup_pwrdm",
59 .voltdm = { .name = "core" },
60 .prcm_offs = AM33XX_PRM_WKUP_MOD,
61 .pwrstctrl_offs = AM33XX_PM_WKUP_PWRSTCTRL_OFFSET,
62 .pwrstst_offs = AM33XX_PM_WKUP_PWRSTST_OFFSET,
63 .pwrsts = PWRSTS_ON,
64 .logicretstate_mask = AM33XX_LOGICRETSTATE_3_3_MASK,
65 };
66
67 static struct powerdomain per_33xx_pwrdm = {
68 .name = "per_pwrdm",
69 .voltdm = { .name = "core" },
70 .prcm_offs = AM33XX_PRM_PER_MOD,
71 .pwrstctrl_offs = AM33XX_PM_PER_PWRSTCTRL_OFFSET,
72 .pwrstst_offs = AM33XX_PM_PER_PWRSTST_OFFSET,
73 .pwrsts = PWRSTS_OFF_RET_ON,
74 .pwrsts_logic_ret = PWRSTS_OFF_RET,
75 .flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
76 .banks = 3,
77 .logicretstate_mask = AM33XX_LOGICRETSTATE_3_3_MASK,
78 .mem_on_mask = {
79 [0] = AM33XX_PRUSS_MEM_ONSTATE_MASK, /* pruss_mem */
80 [1] = AM33XX_PER_MEM_ONSTATE_MASK, /* per_mem */
81 [2] = AM33XX_RAM_MEM_ONSTATE_MASK, /* ram_mem */
82 },
83 .mem_ret_mask = {
84 [0] = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */
85 [1] = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */
86 [2] = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */
87 },
88 .mem_pwrst_mask = {
89 [0] = AM33XX_PRUSS_MEM_STATEST_MASK, /* pruss_mem */
90 [1] = AM33XX_PER_MEM_STATEST_MASK, /* per_mem */
91 [2] = AM33XX_RAM_MEM_STATEST_MASK, /* ram_mem */
92 },
93 .mem_retst_mask = {
94 [0] = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */
95 [1] = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */
96 [2] = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */
97 },
98 .pwrsts_mem_ret = {
99 [0] = PWRSTS_OFF_RET, /* pruss_mem */
100 [1] = PWRSTS_OFF_RET, /* per_mem */
101 [2] = PWRSTS_OFF_RET, /* ram_mem */
102 },
103 .pwrsts_mem_on = {
104 [0] = PWRSTS_ON, /* pruss_mem */
105 [1] = PWRSTS_ON, /* per_mem */
106 [2] = PWRSTS_ON, /* ram_mem */
107 },
108 };
109
110 static struct powerdomain mpu_33xx_pwrdm = {
111 .name = "mpu_pwrdm",
112 .voltdm = { .name = "mpu" },
113 .prcm_offs = AM33XX_PRM_MPU_MOD,
114 .pwrstctrl_offs = AM33XX_PM_MPU_PWRSTCTRL_OFFSET,
115 .pwrstst_offs = AM33XX_PM_MPU_PWRSTST_OFFSET,
116 .pwrsts = PWRSTS_OFF_RET_ON,
117 .pwrsts_logic_ret = PWRSTS_OFF_RET,
118 .flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
119 .banks = 3,
120 .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK,
121 .mem_on_mask = {
122 [0] = AM33XX_MPU_L1_ONSTATE_MASK, /* mpu_l1 */
123 [1] = AM33XX_MPU_L2_ONSTATE_MASK, /* mpu_l2 */
124 [2] = AM33XX_MPU_RAM_ONSTATE_MASK, /* mpu_ram */
125 },
126 .mem_ret_mask = {
127 [0] = AM33XX_MPU_L1_RETSTATE_MASK, /* mpu_l1 */
128 [1] = AM33XX_MPU_L2_RETSTATE_MASK, /* mpu_l2 */
129 [2] = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */
130 },
131 .mem_pwrst_mask = {
132 [0] = AM33XX_MPU_L1_STATEST_MASK, /* mpu_l1 */
133 [1] = AM33XX_MPU_L2_STATEST_MASK, /* mpu_l2 */
134 [2] = AM33XX_MPU_RAM_STATEST_MASK, /* mpu_ram */
135 },
136 .mem_retst_mask = {
137 [0] = AM33XX_MPU_L1_RETSTATE_MASK, /* mpu_l1 */
138 [1] = AM33XX_MPU_L2_RETSTATE_MASK, /* mpu_l2 */
139 [2] = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */
140 },
141 .pwrsts_mem_ret = {
142 [0] = PWRSTS_OFF_RET, /* mpu_l1 */
143 [1] = PWRSTS_OFF_RET, /* mpu_l2 */
144 [2] = PWRSTS_OFF_RET, /* mpu_ram */
145 },
146 .pwrsts_mem_on = {
147 [0] = PWRSTS_ON, /* mpu_l1 */
148 [1] = PWRSTS_ON, /* mpu_l2 */
149 [2] = PWRSTS_ON, /* mpu_ram */
150 },
151 };
152
153 static struct powerdomain cefuse_33xx_pwrdm = {
154 .name = "cefuse_pwrdm",
155 .voltdm = { .name = "core" },
156 .prcm_offs = AM33XX_PRM_CEFUSE_MOD,
157 .pwrstctrl_offs = AM33XX_PM_CEFUSE_PWRSTCTRL_OFFSET,
158 .pwrstst_offs = AM33XX_PM_CEFUSE_PWRSTST_OFFSET,
159 .pwrsts = PWRSTS_OFF_ON,
160 };
161
162 static struct powerdomain *powerdomains_am33xx[] __initdata = {
163 &gfx_33xx_pwrdm,
164 &rtc_33xx_pwrdm,
165 &wkup_33xx_pwrdm,
166 &per_33xx_pwrdm,
167 &mpu_33xx_pwrdm,
168 &cefuse_33xx_pwrdm,
169 NULL,
170 };
171
172 void __init am33xx_powerdomains_init(void)
173 {
174 pwrdm_register_platform_funcs(&am33xx_pwrdm_operations);
175 pwrdm_register_pwrdms(powerdomains_am33xx);
176 pwrdm_complete_init();
177 }
178
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