1 /*
2 * OMAP2XXX powerdomain definitions
3 *
4 * Copyright (C) 2007-2008, 2011 Texas Instruments, Inc.
5 * Copyright (C) 2007-2011 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 "soc.h"
18 #include "powerdomain.h"
19 #include "powerdomains2xxx_3xxx_data.h"
20
21 #include "prcm-common.h"
22 #include "prm2xxx_3xxx.h"
23 #include "prm-regbits-24xx.h"
24
25 /* 24XX powerdomains and dependencies */
26
27 /* Powerdomains */
28
29 static struct powerdomain dsp_pwrdm = {
30 .name = "dsp_pwrdm",
31 .prcm_offs = OMAP24XX_DSP_MOD,
32 .pwrsts = PWRSTS_OFF_RET_ON,
33 .pwrsts_logic_ret = PWRSTS_RET,
34 .banks = 1,
35 .pwrsts_mem_ret = {
36 [0] = PWRSTS_RET,
37 },
38 .pwrsts_mem_on = {
39 [0] = PWRSTS_ON,
40 },
41 .voltdm = { .name = "core" },
42 };
43
44 static struct powerdomain mpu_24xx_pwrdm = {
45 .name = "mpu_pwrdm",
46 .prcm_offs = MPU_MOD,
47 .pwrsts = PWRSTS_OFF_RET_ON,
48 .pwrsts_logic_ret = PWRSTS_OFF_RET,
49 .banks = 1,
50 .pwrsts_mem_ret = {
51 [0] = PWRSTS_RET,
52 },
53 .pwrsts_mem_on = {
54 [0] = PWRSTS_ON,
55 },
56 .voltdm = { .name = "core" },
57 };
58
59 static struct powerdomain core_24xx_pwrdm = {
60 .name = "core_pwrdm",
61 .prcm_offs = CORE_MOD,
62 .pwrsts = PWRSTS_OFF_RET_ON,
63 .pwrsts_logic_ret = PWRSTS_RET,
64 .banks = 3,
65 .pwrsts_mem_ret = {
66 [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
67 [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */
68 [2] = PWRSTS_OFF_RET, /* MEM3RETSTATE */
69 },
70 .pwrsts_mem_on = {
71 [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
72 [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
73 [2] = PWRSTS_OFF_RET_ON, /* MEM3ONSTATE */
74 },
75 .voltdm = { .name = "core" },
76 };
77
78
79 /*
80 * 2430-specific powerdomains
81 */
82
83 /* XXX 2430 KILLDOMAINWKUP bit? No current users apparently */
84
85 static struct powerdomain mdm_pwrdm = {
86 .name = "mdm_pwrdm",
87 .prcm_offs = OMAP2430_MDM_MOD,
88 .pwrsts = PWRSTS_OFF_RET_ON,
89 .pwrsts_logic_ret = PWRSTS_RET,
90 .banks = 1,
91 .pwrsts_mem_ret = {
92 [0] = PWRSTS_RET, /* MEMRETSTATE */
93 },
94 .pwrsts_mem_on = {
95 [0] = PWRSTS_ON, /* MEMONSTATE */
96 },
97 .voltdm = { .name = "core" },
98 };
99
100 /*
101 *
102 */
103
104 static struct powerdomain *powerdomains_omap24xx[] __initdata = {
105 &wkup_omap2_pwrdm,
106 &gfx_omap2_pwrdm,
107 &dsp_pwrdm,
108 &mpu_24xx_pwrdm,
109 &core_24xx_pwrdm,
110 NULL
111 };
112
113 static struct powerdomain *powerdomains_omap2430[] __initdata = {
114 &mdm_pwrdm,
115 NULL
116 };
117
omap242x_powerdomains_init(void)118 void __init omap242x_powerdomains_init(void)
119 {
120 if (!cpu_is_omap2420())
121 return;
122
123 pwrdm_register_platform_funcs(&omap2_pwrdm_operations);
124 pwrdm_register_pwrdms(powerdomains_omap24xx);
125 pwrdm_complete_init();
126 }
127
omap243x_powerdomains_init(void)128 void __init omap243x_powerdomains_init(void)
129 {
130 if (!cpu_is_omap2430())
131 return;
132
133 pwrdm_register_platform_funcs(&omap2_pwrdm_operations);
134 pwrdm_register_pwrdms(powerdomains_omap24xx);
135 pwrdm_register_pwrdms(powerdomains_omap2430);
136 pwrdm_complete_init();
137 }
138