1/*
2 * AM43xx Power domains framework
3 *
4 * Copyright (C) 2013 Texas Instruments, Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/kernel.h>
12#include <linux/init.h>
13
14#include "powerdomain.h"
15
16#include "prcm-common.h"
17#include "prcm44xx.h"
18#include "prcm43xx.h"
19
20static struct powerdomain gfx_43xx_pwrdm = {
21	.name		  = "gfx_pwrdm",
22	.voltdm		  = { .name = "core" },
23	.prcm_offs	  = AM43XX_PRM_GFX_INST,
24	.prcm_partition	  = AM43XX_PRM_PARTITION,
25	.pwrsts		  = PWRSTS_OFF_ON,
26	.banks		  = 1,
27	.pwrsts_mem_on	= {
28		[0] = PWRSTS_ON,	/* gfx_mem */
29	},
30	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
31};
32
33static struct powerdomain mpu_43xx_pwrdm = {
34	.name		  = "mpu_pwrdm",
35	.voltdm		  = { .name = "mpu" },
36	.prcm_offs	  = AM43XX_PRM_MPU_INST,
37	.prcm_partition	  = AM43XX_PRM_PARTITION,
38	.pwrsts		  = PWRSTS_OFF_RET_ON,
39	.pwrsts_logic_ret = PWRSTS_OFF_RET,
40	.banks		  = 3,
41	.pwrsts_mem_ret	= {
42		[0] = PWRSTS_OFF_RET,	/* mpu_l1 */
43		[1] = PWRSTS_OFF_RET,	/* mpu_l2 */
44		[2] = PWRSTS_OFF_RET,	/* mpu_ram */
45	},
46	.pwrsts_mem_on	= {
47		[0] = PWRSTS_ON,	/* mpu_l1 */
48		[1] = PWRSTS_ON,	/* mpu_l2 */
49		[2] = PWRSTS_ON,	/* mpu_ram */
50	},
51	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
52};
53
54static struct powerdomain rtc_43xx_pwrdm = {
55	.name		  = "rtc_pwrdm",
56	.voltdm		  = { .name = "rtc" },
57	.prcm_offs	  = AM43XX_PRM_RTC_INST,
58	.prcm_partition	  = AM43XX_PRM_PARTITION,
59	.pwrsts		  = PWRSTS_ON,
60};
61
62static struct powerdomain wkup_43xx_pwrdm = {
63	.name		  = "wkup_pwrdm",
64	.voltdm		  = { .name = "core" },
65	.prcm_offs	  = AM43XX_PRM_WKUP_INST,
66	.prcm_partition	  = AM43XX_PRM_PARTITION,
67	.pwrsts		  = PWRSTS_ON,
68	.banks		  = 1,
69	.pwrsts_mem_on	= {
70		[0] = PWRSTS_ON,	/* debugss_mem */
71	},
72};
73
74static struct powerdomain tamper_43xx_pwrdm = {
75	.name		  = "tamper_pwrdm",
76	.voltdm		  = { .name = "tamper" },
77	.prcm_offs	  = AM43XX_PRM_TAMPER_INST,
78	.prcm_partition	  = AM43XX_PRM_PARTITION,
79	.pwrsts		  = PWRSTS_ON,
80};
81
82static struct powerdomain cefuse_43xx_pwrdm = {
83	.name		  = "cefuse_pwrdm",
84	.voltdm		  = { .name = "core" },
85	.prcm_offs	  = AM43XX_PRM_CEFUSE_INST,
86	.prcm_partition	  = AM43XX_PRM_PARTITION,
87	.pwrsts		  = PWRSTS_OFF_ON,
88	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
89};
90
91static struct powerdomain per_43xx_pwrdm = {
92	.name		  = "per_pwrdm",
93	.voltdm		  = { .name = "core" },
94	.prcm_offs	  = AM43XX_PRM_PER_INST,
95	.prcm_partition	  = AM43XX_PRM_PARTITION,
96	.pwrsts		  = PWRSTS_OFF_RET_ON,
97	.pwrsts_logic_ret = PWRSTS_OFF_RET,
98	.banks		  = 4,
99	.pwrsts_mem_ret	= {
100		[0] = PWRSTS_OFF_RET,	/* icss_mem */
101		[1] = PWRSTS_OFF_RET,	/* per_mem */
102		[2] = PWRSTS_OFF_RET,	/* ram1_mem */
103		[3] = PWRSTS_OFF_RET,	/* ram2_mem */
104	},
105	.pwrsts_mem_on	= {
106		[0] = PWRSTS_ON,	/* icss_mem */
107		[1] = PWRSTS_ON,	/* per_mem */
108		[2] = PWRSTS_ON,	/* ram1_mem */
109		[3] = PWRSTS_ON,	/* ram2_mem */
110	},
111	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
112};
113
114static struct powerdomain *powerdomains_am43xx[] __initdata = {
115	&gfx_43xx_pwrdm,
116	&mpu_43xx_pwrdm,
117	&rtc_43xx_pwrdm,
118	&wkup_43xx_pwrdm,
119	&tamper_43xx_pwrdm,
120	&cefuse_43xx_pwrdm,
121	&per_43xx_pwrdm,
122	NULL
123};
124
125static int am43xx_check_vcvp(void)
126{
127	return 0;
128}
129
130void __init am43xx_powerdomains_init(void)
131{
132	omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp;
133	pwrdm_register_platform_funcs(&omap4_pwrdm_operations);
134	pwrdm_register_pwrdms(powerdomains_am43xx);
135	pwrdm_complete_init();
136}
137