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3f0ea764 VH |
1 | /* |
2 | * AM33XX Power domain data | |
3 | * | |
83bf6db0 | 4 | * Copyright (C) 2011-2012 Texas Instruments Incorporated - https://www.ti.com/ |
3f0ea764 VH |
5 | * |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
8 | * published by the Free Software Foundation version 2. | |
9 | * | |
10 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
11 | * kind, whether express or implied; without even the implied warranty | |
12 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | */ | |
15 | ||
16 | #include <linux/kernel.h> | |
17 | #include <linux/init.h> | |
18 | ||
19 | #include "powerdomain.h" | |
20 | #include "prcm-common.h" | |
21 | #include "prm-regbits-33xx.h" | |
22 | #include "prm33xx.h" | |
23 | ||
24 | static struct powerdomain gfx_33xx_pwrdm = { | |
25 | .name = "gfx_pwrdm", | |
26 | .voltdm = { .name = "core" }, | |
27 | .prcm_offs = AM33XX_PRM_GFX_MOD, | |
28 | .pwrstctrl_offs = AM33XX_PM_GFX_PWRSTCTRL_OFFSET, | |
29 | .pwrstst_offs = AM33XX_PM_GFX_PWRSTST_OFFSET, | |
30 | .pwrsts = PWRSTS_OFF_RET_ON, | |
31 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | |
32 | .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, | |
33 | .banks = 1, | |
34 | .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK, | |
35 | .mem_on_mask = { | |
36 | [0] = AM33XX_GFX_MEM_ONSTATE_MASK, /* gfx_mem */ | |
37 | }, | |
38 | .mem_ret_mask = { | |
39 | [0] = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */ | |
40 | }, | |
41 | .mem_pwrst_mask = { | |
42 | [0] = AM33XX_GFX_MEM_STATEST_MASK, /* gfx_mem */ | |
43 | }, | |
44 | .mem_retst_mask = { | |
45 | [0] = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */ | |
46 | }, | |
47 | .pwrsts_mem_ret = { | |
48 | [0] = PWRSTS_OFF_RET, /* gfx_mem */ | |
49 | }, | |
50 | .pwrsts_mem_on = { | |
51 | [0] = PWRSTS_ON, /* gfx_mem */ | |
52 | }, | |
53 | }; | |
54 | ||
55 | static struct powerdomain rtc_33xx_pwrdm = { | |
56 | .name = "rtc_pwrdm", | |
57 | .voltdm = { .name = "rtc" }, | |
58 | .prcm_offs = AM33XX_PRM_RTC_MOD, | |
59 | .pwrstctrl_offs = AM33XX_PM_RTC_PWRSTCTRL_OFFSET, | |
60 | .pwrstst_offs = AM33XX_PM_RTC_PWRSTST_OFFSET, | |
61 | .pwrsts = PWRSTS_ON, | |
62 | .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK, | |
63 | }; | |
64 | ||
65 | static struct powerdomain wkup_33xx_pwrdm = { | |
66 | .name = "wkup_pwrdm", | |
67 | .voltdm = { .name = "core" }, | |
68 | .prcm_offs = AM33XX_PRM_WKUP_MOD, | |
69 | .pwrstctrl_offs = AM33XX_PM_WKUP_PWRSTCTRL_OFFSET, | |
70 | .pwrstst_offs = AM33XX_PM_WKUP_PWRSTST_OFFSET, | |
71 | .pwrsts = PWRSTS_ON, | |
72 | .logicretstate_mask = AM33XX_LOGICRETSTATE_3_3_MASK, | |
73 | }; | |
74 | ||
75 | static struct powerdomain per_33xx_pwrdm = { | |
76 | .name = "per_pwrdm", | |
77 | .voltdm = { .name = "core" }, | |
78 | .prcm_offs = AM33XX_PRM_PER_MOD, | |
79 | .pwrstctrl_offs = AM33XX_PM_PER_PWRSTCTRL_OFFSET, | |
80 | .pwrstst_offs = AM33XX_PM_PER_PWRSTST_OFFSET, | |
81 | .pwrsts = PWRSTS_OFF_RET_ON, | |
82 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | |
83 | .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, | |
84 | .banks = 3, | |
85 | .logicretstate_mask = AM33XX_LOGICRETSTATE_3_3_MASK, | |
86 | .mem_on_mask = { | |
87 | [0] = AM33XX_PRUSS_MEM_ONSTATE_MASK, /* pruss_mem */ | |
88 | [1] = AM33XX_PER_MEM_ONSTATE_MASK, /* per_mem */ | |
89 | [2] = AM33XX_RAM_MEM_ONSTATE_MASK, /* ram_mem */ | |
90 | }, | |
91 | .mem_ret_mask = { | |
92 | [0] = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */ | |
93 | [1] = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */ | |
94 | [2] = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */ | |
95 | }, | |
96 | .mem_pwrst_mask = { | |
97 | [0] = AM33XX_PRUSS_MEM_STATEST_MASK, /* pruss_mem */ | |
98 | [1] = AM33XX_PER_MEM_STATEST_MASK, /* per_mem */ | |
99 | [2] = AM33XX_RAM_MEM_STATEST_MASK, /* ram_mem */ | |
100 | }, | |
101 | .mem_retst_mask = { | |
102 | [0] = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */ | |
103 | [1] = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */ | |
104 | [2] = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */ | |
105 | }, | |
106 | .pwrsts_mem_ret = { | |
107 | [0] = PWRSTS_OFF_RET, /* pruss_mem */ | |
108 | [1] = PWRSTS_OFF_RET, /* per_mem */ | |
109 | [2] = PWRSTS_OFF_RET, /* ram_mem */ | |
110 | }, | |
111 | .pwrsts_mem_on = { | |
112 | [0] = PWRSTS_ON, /* pruss_mem */ | |
113 | [1] = PWRSTS_ON, /* per_mem */ | |
114 | [2] = PWRSTS_ON, /* ram_mem */ | |
115 | }, | |
116 | }; | |
117 | ||
118 | static struct powerdomain mpu_33xx_pwrdm = { | |
119 | .name = "mpu_pwrdm", | |
120 | .voltdm = { .name = "mpu" }, | |
121 | .prcm_offs = AM33XX_PRM_MPU_MOD, | |
122 | .pwrstctrl_offs = AM33XX_PM_MPU_PWRSTCTRL_OFFSET, | |
123 | .pwrstst_offs = AM33XX_PM_MPU_PWRSTST_OFFSET, | |
124 | .pwrsts = PWRSTS_OFF_RET_ON, | |
125 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | |
126 | .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, | |
127 | .banks = 3, | |
128 | .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK, | |
129 | .mem_on_mask = { | |
130 | [0] = AM33XX_MPU_L1_ONSTATE_MASK, /* mpu_l1 */ | |
131 | [1] = AM33XX_MPU_L2_ONSTATE_MASK, /* mpu_l2 */ | |
132 | [2] = AM33XX_MPU_RAM_ONSTATE_MASK, /* mpu_ram */ | |
133 | }, | |
134 | .mem_ret_mask = { | |
135 | [0] = AM33XX_MPU_L1_RETSTATE_MASK, /* mpu_l1 */ | |
136 | [1] = AM33XX_MPU_L2_RETSTATE_MASK, /* mpu_l2 */ | |
137 | [2] = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */ | |
138 | }, | |
139 | .mem_pwrst_mask = { | |
140 | [0] = AM33XX_MPU_L1_STATEST_MASK, /* mpu_l1 */ | |
141 | [1] = AM33XX_MPU_L2_STATEST_MASK, /* mpu_l2 */ | |
142 | [2] = AM33XX_MPU_RAM_STATEST_MASK, /* mpu_ram */ | |
143 | }, | |
144 | .mem_retst_mask = { | |
145 | [0] = AM33XX_MPU_L1_RETSTATE_MASK, /* mpu_l1 */ | |
146 | [1] = AM33XX_MPU_L2_RETSTATE_MASK, /* mpu_l2 */ | |
147 | [2] = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */ | |
148 | }, | |
149 | .pwrsts_mem_ret = { | |
150 | [0] = PWRSTS_OFF_RET, /* mpu_l1 */ | |
151 | [1] = PWRSTS_OFF_RET, /* mpu_l2 */ | |
152 | [2] = PWRSTS_OFF_RET, /* mpu_ram */ | |
153 | }, | |
154 | .pwrsts_mem_on = { | |
155 | [0] = PWRSTS_ON, /* mpu_l1 */ | |
156 | [1] = PWRSTS_ON, /* mpu_l2 */ | |
157 | [2] = PWRSTS_ON, /* mpu_ram */ | |
158 | }, | |
159 | }; | |
160 | ||
161 | static struct powerdomain cefuse_33xx_pwrdm = { | |
162 | .name = "cefuse_pwrdm", | |
163 | .voltdm = { .name = "core" }, | |
164 | .prcm_offs = AM33XX_PRM_CEFUSE_MOD, | |
165 | .pwrstctrl_offs = AM33XX_PM_CEFUSE_PWRSTCTRL_OFFSET, | |
166 | .pwrstst_offs = AM33XX_PM_CEFUSE_PWRSTST_OFFSET, | |
167 | .pwrsts = PWRSTS_OFF_ON, | |
168 | }; | |
169 | ||
170 | static struct powerdomain *powerdomains_am33xx[] __initdata = { | |
171 | &gfx_33xx_pwrdm, | |
172 | &rtc_33xx_pwrdm, | |
173 | &wkup_33xx_pwrdm, | |
174 | &per_33xx_pwrdm, | |
175 | &mpu_33xx_pwrdm, | |
176 | &cefuse_33xx_pwrdm, | |
177 | NULL, | |
178 | }; | |
179 | ||
180 | void __init am33xx_powerdomains_init(void) | |
181 | { | |
182 | pwrdm_register_platform_funcs(&am33xx_pwrdm_operations); | |
183 | pwrdm_register_pwrdms(powerdomains_am33xx); | |
184 | pwrdm_complete_init(); | |
185 | } |