diff options
Diffstat (limited to 'arch/arm/mach-omap2/powerdomains3xxx_data.c')
-rw-r--r-- | arch/arm/mach-omap2/powerdomains3xxx_data.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/powerdomains3xxx_data.c b/arch/arm/mach-omap2/powerdomains3xxx_data.c new file mode 100644 index 000000000000..e1bec562625b --- /dev/null +++ b/arch/arm/mach-omap2/powerdomains3xxx_data.c | |||
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1 | /* | ||
2 | * OMAP3 powerdomain definitions | ||
3 | * | ||
4 | * Copyright (C) 2007-2008 Texas Instruments, Inc. | ||
5 | * Copyright (C) 2007-2010 Nokia Corporation | ||
6 | * | ||
7 | * Paul Walmsley, Jouni Högander | ||
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 | |||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/init.h> | ||
16 | |||
17 | #include "powerdomain.h" | ||
18 | #include "powerdomains2xxx_3xxx_data.h" | ||
19 | |||
20 | #include "prcm-common.h" | ||
21 | #include "prm2xxx_3xxx.h" | ||
22 | #include "prm-regbits-34xx.h" | ||
23 | #include "cm2xxx_3xxx.h" | ||
24 | #include "cm-regbits-34xx.h" | ||
25 | |||
26 | /* | ||
27 | * 34XX-specific powerdomains, dependencies | ||
28 | */ | ||
29 | |||
30 | #ifdef CONFIG_ARCH_OMAP3 | ||
31 | |||
32 | /* | ||
33 | * Powerdomains | ||
34 | */ | ||
35 | |||
36 | static struct powerdomain iva2_pwrdm = { | ||
37 | .name = "iva2_pwrdm", | ||
38 | .prcm_offs = OMAP3430_IVA2_MOD, | ||
39 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
40 | .pwrsts = PWRSTS_OFF_RET_ON, | ||
41 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | ||
42 | .banks = 4, | ||
43 | .pwrsts_mem_ret = { | ||
44 | [0] = PWRSTS_OFF_RET, | ||
45 | [1] = PWRSTS_OFF_RET, | ||
46 | [2] = PWRSTS_OFF_RET, | ||
47 | [3] = PWRSTS_OFF_RET, | ||
48 | }, | ||
49 | .pwrsts_mem_on = { | ||
50 | [0] = PWRDM_POWER_ON, | ||
51 | [1] = PWRDM_POWER_ON, | ||
52 | [2] = PWRSTS_OFF_ON, | ||
53 | [3] = PWRDM_POWER_ON, | ||
54 | }, | ||
55 | }; | ||
56 | |||
57 | static struct powerdomain mpu_3xxx_pwrdm = { | ||
58 | .name = "mpu_pwrdm", | ||
59 | .prcm_offs = MPU_MOD, | ||
60 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
61 | .pwrsts = PWRSTS_OFF_RET_ON, | ||
62 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | ||
63 | .flags = PWRDM_HAS_MPU_QUIRK, | ||
64 | .banks = 1, | ||
65 | .pwrsts_mem_ret = { | ||
66 | [0] = PWRSTS_OFF_RET, | ||
67 | }, | ||
68 | .pwrsts_mem_on = { | ||
69 | [0] = PWRSTS_OFF_ON, | ||
70 | }, | ||
71 | }; | ||
72 | |||
73 | /* | ||
74 | * The USBTLL Save-and-Restore mechanism is broken on | ||
75 | * 3430s upto ES3.0 and 3630ES1.0. Hence this feature | ||
76 | * needs to be disabled on these chips. | ||
77 | * Refer: 3430 errata ID i459 and 3630 errata ID i579 | ||
78 | * | ||
79 | * Note: setting the SAR flag could help for errata ID i478 | ||
80 | * which applies to 3430 <= ES3.1, but since the SAR feature | ||
81 | * is broken, do not use it. | ||
82 | */ | ||
83 | static struct powerdomain core_3xxx_pre_es3_1_pwrdm = { | ||
84 | .name = "core_pwrdm", | ||
85 | .prcm_offs = CORE_MOD, | ||
86 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1 | | ||
87 | CHIP_IS_OMAP3430ES2 | | ||
88 | CHIP_IS_OMAP3430ES3_0 | | ||
89 | CHIP_IS_OMAP3630ES1), | ||
90 | .pwrsts = PWRSTS_OFF_RET_ON, | ||
91 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | ||
92 | .banks = 2, | ||
93 | .pwrsts_mem_ret = { | ||
94 | [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */ | ||
95 | [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */ | ||
96 | }, | ||
97 | .pwrsts_mem_on = { | ||
98 | [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ | ||
99 | [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ | ||
100 | }, | ||
101 | }; | ||
102 | |||
103 | static struct powerdomain core_3xxx_es3_1_pwrdm = { | ||
104 | .name = "core_pwrdm", | ||
105 | .prcm_offs = CORE_MOD, | ||
106 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES3_1 | | ||
107 | CHIP_GE_OMAP3630ES1_1), | ||
108 | .pwrsts = PWRSTS_OFF_RET_ON, | ||
109 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | ||
110 | /* | ||
111 | * Setting the SAR flag for errata ID i478 which applies | ||
112 | * to 3430 <= ES3.1 | ||
113 | */ | ||
114 | .flags = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */ | ||
115 | .banks = 2, | ||
116 | .pwrsts_mem_ret = { | ||
117 | [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */ | ||
118 | [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */ | ||
119 | }, | ||
120 | .pwrsts_mem_on = { | ||
121 | [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ | ||
122 | [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ | ||
123 | }, | ||
124 | }; | ||
125 | |||
126 | static struct powerdomain dss_pwrdm = { | ||
127 | .name = "dss_pwrdm", | ||
128 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
129 | .prcm_offs = OMAP3430_DSS_MOD, | ||
130 | .pwrsts = PWRSTS_OFF_RET_ON, | ||
131 | .pwrsts_logic_ret = PWRDM_POWER_RET, | ||
132 | .banks = 1, | ||
133 | .pwrsts_mem_ret = { | ||
134 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | ||
135 | }, | ||
136 | .pwrsts_mem_on = { | ||
137 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | ||
138 | }, | ||
139 | }; | ||
140 | |||
141 | /* | ||
142 | * Although the 34XX TRM Rev K Table 4-371 notes that retention is a | ||
143 | * possible SGX powerstate, the SGX device itself does not support | ||
144 | * retention. | ||
145 | */ | ||
146 | static struct powerdomain sgx_pwrdm = { | ||
147 | .name = "sgx_pwrdm", | ||
148 | .prcm_offs = OMAP3430ES2_SGX_MOD, | ||
149 | .omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2), | ||
150 | /* XXX This is accurate for 3430 SGX, but what about GFX? */ | ||
151 | .pwrsts = PWRSTS_OFF_ON, | ||
152 | .pwrsts_logic_ret = PWRDM_POWER_RET, | ||
153 | .banks = 1, | ||
154 | .pwrsts_mem_ret = { | ||
155 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | ||
156 | }, | ||
157 | .pwrsts_mem_on = { | ||
158 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | ||
159 | }, | ||
160 | }; | ||
161 | |||
162 | static struct powerdomain cam_pwrdm = { | ||
163 | .name = "cam_pwrdm", | ||
164 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
165 | .prcm_offs = OMAP3430_CAM_MOD, | ||
166 | .pwrsts = PWRSTS_OFF_RET_ON, | ||
167 | .pwrsts_logic_ret = PWRDM_POWER_RET, | ||
168 | .banks = 1, | ||
169 | .pwrsts_mem_ret = { | ||
170 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | ||
171 | }, | ||
172 | .pwrsts_mem_on = { | ||
173 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | ||
174 | }, | ||
175 | }; | ||
176 | |||
177 | static struct powerdomain per_pwrdm = { | ||
178 | .name = "per_pwrdm", | ||
179 | .prcm_offs = OMAP3430_PER_MOD, | ||
180 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
181 | .pwrsts = PWRSTS_OFF_RET_ON, | ||
182 | .pwrsts_logic_ret = PWRSTS_OFF_RET, | ||
183 | .banks = 1, | ||
184 | .pwrsts_mem_ret = { | ||
185 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | ||
186 | }, | ||
187 | .pwrsts_mem_on = { | ||
188 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | ||
189 | }, | ||
190 | }; | ||
191 | |||
192 | static struct powerdomain emu_pwrdm = { | ||
193 | .name = "emu_pwrdm", | ||
194 | .prcm_offs = OMAP3430_EMU_MOD, | ||
195 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
196 | }; | ||
197 | |||
198 | static struct powerdomain neon_pwrdm = { | ||
199 | .name = "neon_pwrdm", | ||
200 | .prcm_offs = OMAP3430_NEON_MOD, | ||
201 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
202 | .pwrsts = PWRSTS_OFF_RET_ON, | ||
203 | .pwrsts_logic_ret = PWRDM_POWER_RET, | ||
204 | }; | ||
205 | |||
206 | static struct powerdomain usbhost_pwrdm = { | ||
207 | .name = "usbhost_pwrdm", | ||
208 | .prcm_offs = OMAP3430ES2_USBHOST_MOD, | ||
209 | .omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2), | ||
210 | .pwrsts = PWRSTS_OFF_RET_ON, | ||
211 | .pwrsts_logic_ret = PWRDM_POWER_RET, | ||
212 | /* | ||
213 | * REVISIT: Enabling usb host save and restore mechanism seems to | ||
214 | * leave the usb host domain permanently in ACTIVE mode after | ||
215 | * changing the usb host power domain state from OFF to active once. | ||
216 | * Disabling for now. | ||
217 | */ | ||
218 | /*.flags = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */ | ||
219 | .banks = 1, | ||
220 | .pwrsts_mem_ret = { | ||
221 | [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ | ||
222 | }, | ||
223 | .pwrsts_mem_on = { | ||
224 | [0] = PWRDM_POWER_ON, /* MEMONSTATE */ | ||
225 | }, | ||
226 | }; | ||
227 | |||
228 | static struct powerdomain dpll1_pwrdm = { | ||
229 | .name = "dpll1_pwrdm", | ||
230 | .prcm_offs = MPU_MOD, | ||
231 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
232 | }; | ||
233 | |||
234 | static struct powerdomain dpll2_pwrdm = { | ||
235 | .name = "dpll2_pwrdm", | ||
236 | .prcm_offs = OMAP3430_IVA2_MOD, | ||
237 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
238 | }; | ||
239 | |||
240 | static struct powerdomain dpll3_pwrdm = { | ||
241 | .name = "dpll3_pwrdm", | ||
242 | .prcm_offs = PLL_MOD, | ||
243 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
244 | }; | ||
245 | |||
246 | static struct powerdomain dpll4_pwrdm = { | ||
247 | .name = "dpll4_pwrdm", | ||
248 | .prcm_offs = PLL_MOD, | ||
249 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
250 | }; | ||
251 | |||
252 | static struct powerdomain dpll5_pwrdm = { | ||
253 | .name = "dpll5_pwrdm", | ||
254 | .prcm_offs = PLL_MOD, | ||
255 | .omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2), | ||
256 | }; | ||
257 | |||
258 | /* As powerdomains are added or removed above, this list must also be changed */ | ||
259 | static struct powerdomain *powerdomains_omap3xxx[] __initdata = { | ||
260 | |||
261 | &wkup_omap2_pwrdm, | ||
262 | &gfx_omap2_pwrdm, | ||
263 | &iva2_pwrdm, | ||
264 | &mpu_3xxx_pwrdm, | ||
265 | &neon_pwrdm, | ||
266 | &core_3xxx_pre_es3_1_pwrdm, | ||
267 | &core_3xxx_es3_1_pwrdm, | ||
268 | &cam_pwrdm, | ||
269 | &dss_pwrdm, | ||
270 | &per_pwrdm, | ||
271 | &emu_pwrdm, | ||
272 | &sgx_pwrdm, | ||
273 | &usbhost_pwrdm, | ||
274 | &dpll1_pwrdm, | ||
275 | &dpll2_pwrdm, | ||
276 | &dpll3_pwrdm, | ||
277 | &dpll4_pwrdm, | ||
278 | &dpll5_pwrdm, | ||
279 | #endif | ||
280 | NULL | ||
281 | }; | ||
282 | |||
283 | |||
284 | void __init omap3xxx_powerdomains_init(void) | ||
285 | { | ||
286 | pwrdm_init(powerdomains_omap3xxx, &omap3_pwrdm_operations); | ||
287 | } | ||