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ecb24aa1 | 1 | /* |
98fa3d8a | 2 | * OMAP3 powerdomain definitions |
ecb24aa1 PW |
3 | * |
4 | * Copyright (C) 2007-2008 Texas Instruments, Inc. | |
98fa3d8a | 5 | * Copyright (C) 2007-2010 Nokia Corporation |
ecb24aa1 | 6 | * |
6e01478a | 7 | * Paul Walmsley, Jouni Högander |
ecb24aa1 PW |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
6e01478a PW |
14 | #include <linux/kernel.h> |
15 | #include <linux/init.h> | |
ecb24aa1 | 16 | |
ce491cf8 | 17 | #include <plat/powerdomain.h> |
6e01478a PW |
18 | #include "powerdomains2xxx_3xxx_data.h" |
19 | #include "powerdomains.h" | |
ecb24aa1 PW |
20 | |
21 | #include "prcm-common.h" | |
59fb659b | 22 | #include "prm2xxx_3xxx.h" |
ecb24aa1 | 23 | #include "prm-regbits-34xx.h" |
59fb659b | 24 | #include "cm2xxx_3xxx.h" |
ecb24aa1 PW |
25 | #include "cm-regbits-34xx.h" |
26 | ||
27 | /* | |
28 | * 34XX-specific powerdomains, dependencies | |
29 | */ | |
30 | ||
98fa3d8a | 31 | #ifdef CONFIG_ARCH_OMAP3 |
ecb24aa1 | 32 | |
ecb24aa1 PW |
33 | /* |
34 | * Powerdomains | |
35 | */ | |
36 | ||
37 | static struct powerdomain iva2_pwrdm = { | |
38 | .name = "iva2_pwrdm", | |
39 | .prcm_offs = OMAP3430_IVA2_MOD, | |
40 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
ecb24aa1 PW |
41 | .pwrsts = PWRSTS_OFF_RET_ON, |
42 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | |
43 | .banks = 4, | |
44 | .pwrsts_mem_ret = { | |
45 | [0] = PWRSTS_OFF_RET, | |
46 | [1] = PWRSTS_OFF_RET, | |
47 | [2] = PWRSTS_OFF_RET, | |
48 | [3] = PWRSTS_OFF_RET, | |
49 | }, | |
50 | .pwrsts_mem_on = { | |
51 | [0] = PWRDM_POWER_ON, | |
52 | [1] = PWRDM_POWER_ON, | |
53 | [2] = PWRSTS_OFF_ON, | |
54 | [3] = PWRDM_POWER_ON, | |
55 | }, | |
56 | }; | |
57 | ||
98fa3d8a | 58 | static struct powerdomain mpu_3xxx_pwrdm = { |
ecb24aa1 PW |
59 | .name = "mpu_pwrdm", |
60 | .prcm_offs = MPU_MOD, | |
61 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
ecb24aa1 PW |
62 | .pwrsts = PWRSTS_OFF_RET_ON, |
63 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | |
3863c74b | 64 | .flags = PWRDM_HAS_MPU_QUIRK, |
ecb24aa1 PW |
65 | .banks = 1, |
66 | .pwrsts_mem_ret = { | |
67 | [0] = PWRSTS_OFF_RET, | |
68 | }, | |
69 | .pwrsts_mem_on = { | |
70 | [0] = PWRSTS_OFF_ON, | |
71 | }, | |
72 | }; | |
73 | ||
58dcfb3a AG |
74 | /* |
75 | * The USBTLL Save-and-Restore mechanism is broken on | |
76 | * 3430s upto ES3.0 and 3630ES1.0. Hence this feature | |
77 | * needs to be disabled on these chips. | |
78 | * Refer: 3430 errata ID i459 and 3630 errata ID i579 | |
447b8da5 JP |
79 | * |
80 | * Note: setting the SAR flag could help for errata ID i478 | |
81 | * which applies to 3430 <= ES3.1, but since the SAR feature | |
82 | * is broken, do not use it. | |
58dcfb3a | 83 | */ |
98fa3d8a | 84 | static struct powerdomain core_3xxx_pre_es3_1_pwrdm = { |
ecb24aa1 PW |
85 | .name = "core_pwrdm", |
86 | .prcm_offs = CORE_MOD, | |
7eb1afc9 PW |
87 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1 | |
88 | CHIP_IS_OMAP3430ES2 | | |
58dcfb3a AG |
89 | CHIP_IS_OMAP3430ES3_0 | |
90 | CHIP_IS_OMAP3630ES1), | |
7eb1afc9 | 91 | .pwrsts = PWRSTS_OFF_RET_ON, |
4133a44e | 92 | .pwrsts_logic_ret = PWRSTS_OFF_RET, |
7eb1afc9 PW |
93 | .banks = 2, |
94 | .pwrsts_mem_ret = { | |
95 | [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */ | |
96 | [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */ | |
97 | }, | |
98 | .pwrsts_mem_on = { | |
99 | [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ | |
100 | [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ | |
101 | }, | |
102 | }; | |
103 | ||
98fa3d8a | 104 | static struct powerdomain core_3xxx_es3_1_pwrdm = { |
7eb1afc9 PW |
105 | .name = "core_pwrdm", |
106 | .prcm_offs = CORE_MOD, | |
58dcfb3a AG |
107 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES3_1 | |
108 | CHIP_GE_OMAP3630ES1_1), | |
ecb24aa1 | 109 | .pwrsts = PWRSTS_OFF_RET_ON, |
4133a44e | 110 | .pwrsts_logic_ret = PWRSTS_OFF_RET, |
447b8da5 JP |
111 | /* |
112 | * Setting the SAR flag for errata ID i478 which applies | |
113 | * to 3430 <= ES3.1 | |
114 | */ | |
7eb1afc9 | 115 | .flags = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */ |
ecb24aa1 PW |
116 | .banks = 2, |
117 | .pwrsts_mem_ret = { | |
118 | [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */ | |
119 | [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */ | |
120 | }, | |
121 | .pwrsts_mem_on = { | |
122 | [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ | |
123 | [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ | |
124 | }, | |
125 | }; | |
126 | ||
ecb24aa1 PW |
127 | static struct powerdomain dss_pwrdm = { |
128 | .name = "dss_pwrdm", | |
129 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
130 | .prcm_offs = OMAP3430_DSS_MOD, | |
ecb24aa1 PW |
131 | .pwrsts = PWRSTS_OFF_RET_ON, |
132 | .pwrsts_logic_ret = PWRDM_POWER_RET, | |
133 | .banks = 1, | |
134 | .pwrsts_mem_ret = { | |
135 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | |
136 | }, | |
137 | .pwrsts_mem_on = { | |
138 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | |
139 | }, | |
140 | }; | |
141 | ||
be48ea74 PW |
142 | /* |
143 | * Although the 34XX TRM Rev K Table 4-371 notes that retention is a | |
144 | * possible SGX powerstate, the SGX device itself does not support | |
145 | * retention. | |
146 | */ | |
ecb24aa1 PW |
147 | static struct powerdomain sgx_pwrdm = { |
148 | .name = "sgx_pwrdm", | |
149 | .prcm_offs = OMAP3430ES2_SGX_MOD, | |
d41ad520 | 150 | .omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2), |
ecb24aa1 | 151 | /* XXX This is accurate for 3430 SGX, but what about GFX? */ |
be48ea74 | 152 | .pwrsts = PWRSTS_OFF_ON, |
ecb24aa1 PW |
153 | .pwrsts_logic_ret = PWRDM_POWER_RET, |
154 | .banks = 1, | |
155 | .pwrsts_mem_ret = { | |
156 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | |
157 | }, | |
158 | .pwrsts_mem_on = { | |
159 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | |
160 | }, | |
161 | }; | |
162 | ||
163 | static struct powerdomain cam_pwrdm = { | |
164 | .name = "cam_pwrdm", | |
165 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
166 | .prcm_offs = OMAP3430_CAM_MOD, | |
ecb24aa1 PW |
167 | .pwrsts = PWRSTS_OFF_RET_ON, |
168 | .pwrsts_logic_ret = PWRDM_POWER_RET, | |
169 | .banks = 1, | |
170 | .pwrsts_mem_ret = { | |
171 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | |
172 | }, | |
173 | .pwrsts_mem_on = { | |
174 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | |
175 | }, | |
176 | }; | |
177 | ||
178 | static struct powerdomain per_pwrdm = { | |
179 | .name = "per_pwrdm", | |
180 | .prcm_offs = OMAP3430_PER_MOD, | |
181 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
ecb24aa1 PW |
182 | .pwrsts = PWRSTS_OFF_RET_ON, |
183 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | |
184 | .banks = 1, | |
185 | .pwrsts_mem_ret = { | |
186 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | |
187 | }, | |
188 | .pwrsts_mem_on = { | |
189 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | |
190 | }, | |
191 | }; | |
192 | ||
193 | static struct powerdomain emu_pwrdm = { | |
194 | .name = "emu_pwrdm", | |
195 | .prcm_offs = OMAP3430_EMU_MOD, | |
196 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
197 | }; | |
198 | ||
199 | static struct powerdomain neon_pwrdm = { | |
200 | .name = "neon_pwrdm", | |
201 | .prcm_offs = OMAP3430_NEON_MOD, | |
202 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
ecb24aa1 PW |
203 | .pwrsts = PWRSTS_OFF_RET_ON, |
204 | .pwrsts_logic_ret = PWRDM_POWER_RET, | |
205 | }; | |
206 | ||
207 | static struct powerdomain usbhost_pwrdm = { | |
208 | .name = "usbhost_pwrdm", | |
209 | .prcm_offs = OMAP3430ES2_USBHOST_MOD, | |
d41ad520 | 210 | .omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2), |
ecb24aa1 PW |
211 | .pwrsts = PWRSTS_OFF_RET_ON, |
212 | .pwrsts_logic_ret = PWRDM_POWER_RET, | |
867d320b KJ |
213 | /* |
214 | * REVISIT: Enabling usb host save and restore mechanism seems to | |
215 | * leave the usb host domain permanently in ACTIVE mode after | |
216 | * changing the usb host power domain state from OFF to active once. | |
217 | * Disabling for now. | |
218 | */ | |
219 | /*.flags = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */ | |
ecb24aa1 PW |
220 | .banks = 1, |
221 | .pwrsts_mem_ret = { | |
222 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | |
223 | }, | |
224 | .pwrsts_mem_on = { | |
225 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | |
226 | }, | |
227 | }; | |
228 | ||
46e0ccf8 PW |
229 | static struct powerdomain dpll1_pwrdm = { |
230 | .name = "dpll1_pwrdm", | |
231 | .prcm_offs = MPU_MOD, | |
232 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
233 | }; | |
234 | ||
235 | static struct powerdomain dpll2_pwrdm = { | |
236 | .name = "dpll2_pwrdm", | |
237 | .prcm_offs = OMAP3430_IVA2_MOD, | |
238 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
239 | }; | |
240 | ||
241 | static struct powerdomain dpll3_pwrdm = { | |
242 | .name = "dpll3_pwrdm", | |
243 | .prcm_offs = PLL_MOD, | |
244 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
245 | }; | |
246 | ||
247 | static struct powerdomain dpll4_pwrdm = { | |
248 | .name = "dpll4_pwrdm", | |
249 | .prcm_offs = PLL_MOD, | |
250 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | |
251 | }; | |
252 | ||
253 | static struct powerdomain dpll5_pwrdm = { | |
254 | .name = "dpll5_pwrdm", | |
255 | .prcm_offs = PLL_MOD, | |
d41ad520 | 256 | .omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2), |
46e0ccf8 PW |
257 | }; |
258 | ||
6e01478a PW |
259 | /* As powerdomains are added or removed above, this list must also be changed */ |
260 | static struct powerdomain *powerdomains_omap3xxx[] __initdata = { | |
46e0ccf8 | 261 | |
6e01478a PW |
262 | &wkup_omap2_pwrdm, |
263 | &gfx_omap2_pwrdm, | |
264 | &iva2_pwrdm, | |
265 | &mpu_3xxx_pwrdm, | |
266 | &neon_pwrdm, | |
267 | &core_3xxx_pre_es3_1_pwrdm, | |
268 | &core_3xxx_es3_1_pwrdm, | |
269 | &cam_pwrdm, | |
270 | &dss_pwrdm, | |
271 | &per_pwrdm, | |
272 | &emu_pwrdm, | |
273 | &sgx_pwrdm, | |
274 | &usbhost_pwrdm, | |
275 | &dpll1_pwrdm, | |
276 | &dpll2_pwrdm, | |
277 | &dpll3_pwrdm, | |
278 | &dpll4_pwrdm, | |
279 | &dpll5_pwrdm, | |
280 | #endif | |
281 | NULL | |
282 | }; | |
ecb24aa1 PW |
283 | |
284 | ||
6e01478a PW |
285 | void __init omap3xxx_powerdomains_init(void) |
286 | { | |
287 | pwrdm_init(powerdomains_omap3xxx, &omap3_pwrdm_operations); | |
288 | } |