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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