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