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 	.banks		  = 3,
64 	.pwrsts_mem_ret	  = {
65 		[0] = PWRSTS_OFF_RET,	 /* MEM1RETSTATE */
66 		[1] = PWRSTS_OFF_RET,	 /* MEM2RETSTATE */
67 		[2] = PWRSTS_OFF_RET,	 /* MEM3RETSTATE */
68 	},
69 	.pwrsts_mem_on	  = {
70 		[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
71 		[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
72 		[2] = PWRSTS_OFF_RET_ON, /* MEM3ONSTATE */
73 	},
74 	.voltdm           = { .name = "core" },
75 };
76 
77 
78 /*
79  * 2430-specific powerdomains
80  */
81 
82 /* XXX 2430 KILLDOMAINWKUP bit?  No current users apparently */
83 
84 static struct powerdomain mdm_pwrdm = {
85 	.name		  = "mdm_pwrdm",
86 	.prcm_offs	  = OMAP2430_MDM_MOD,
87 	.pwrsts		  = PWRSTS_OFF_RET_ON,
88 	.pwrsts_logic_ret = PWRSTS_RET,
89 	.banks		  = 1,
90 	.pwrsts_mem_ret	  = {
91 		[0] = PWRSTS_RET, /* MEMRETSTATE */
92 	},
93 	.pwrsts_mem_on	  = {
94 		[0] = PWRSTS_ON,  /* MEMONSTATE */
95 	},
96 	.voltdm           = { .name = "core" },
97 };
98 
99 /*
100  *
101  */
102 
103 static struct powerdomain *powerdomains_omap24xx[] __initdata = {
104 	&wkup_omap2_pwrdm,
105 	&gfx_omap2_pwrdm,
106 	&dsp_pwrdm,
107 	&mpu_24xx_pwrdm,
108 	&core_24xx_pwrdm,
109 	NULL
110 };
111 
112 static struct powerdomain *powerdomains_omap2430[] __initdata = {
113 	&mdm_pwrdm,
114 	NULL
115 };
116 
117 void __init omap242x_powerdomains_init(void)
118 {
119 	if (!cpu_is_omap2420())
120 		return;
121 
122 	pwrdm_register_platform_funcs(&omap2_pwrdm_operations);
123 	pwrdm_register_pwrdms(powerdomains_omap24xx);
124 	pwrdm_complete_init();
125 }
126 
127 void __init omap243x_powerdomains_init(void)
128 {
129 	if (!cpu_is_omap2430())
130 		return;
131 
132 	pwrdm_register_platform_funcs(&omap2_pwrdm_operations);
133 	pwrdm_register_pwrdms(powerdomains_omap24xx);
134 	pwrdm_register_pwrdms(powerdomains_omap2430);
135 	pwrdm_complete_init();
136 }
137