1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * OMAP2XXX powerdomain definitions
4 *
5 * Copyright (C) 2007-2008, 2011 Texas Instruments, Inc.
6 * Copyright (C) 2007-2011 Nokia Corporation
7 *
8 * Paul Walmsley, Jouni Högander
9 */
10
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13
14 #include "soc.h"
15 #include "powerdomain.h"
16 #include "powerdomains2xxx_3xxx_data.h"
17
18 #include "prcm-common.h"
19 #include "prm2xxx_3xxx.h"
20 #include "prm-regbits-24xx.h"
21
22 /* 24XX powerdomains and dependencies */
23
24 /* Powerdomains */
25
26 static struct powerdomain dsp_pwrdm = {
27 .name = "dsp_pwrdm",
28 .prcm_offs = OMAP24XX_DSP_MOD,
29 .pwrsts = PWRSTS_OFF_RET_ON,
30 .pwrsts_logic_ret = PWRSTS_RET,
31 .banks = 1,
32 .pwrsts_mem_ret = {
33 [0] = PWRSTS_RET,
34 },
35 .pwrsts_mem_on = {
36 [0] = PWRSTS_ON,
37 },
38 .voltdm = { .name = "core" },
39 };
40
41 static struct powerdomain mpu_24xx_pwrdm = {
42 .name = "mpu_pwrdm",
43 .prcm_offs = MPU_MOD,
44 .pwrsts = PWRSTS_OFF_RET_ON,
45 .pwrsts_logic_ret = PWRSTS_OFF_RET,
46 .banks = 1,
47 .pwrsts_mem_ret = {
48 [0] = PWRSTS_RET,
49 },
50 .pwrsts_mem_on = {
51 [0] = PWRSTS_ON,
52 },
53 .voltdm = { .name = "core" },
54 };
55
56 static struct powerdomain core_24xx_pwrdm = {
57 .name = "core_pwrdm",
58 .prcm_offs = CORE_MOD,
59 .pwrsts = PWRSTS_OFF_RET_ON,
60 .pwrsts_logic_ret = PWRSTS_RET,
61 .banks = 3,
62 .pwrsts_mem_ret = {
63 [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
64 [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */
65 [2] = PWRSTS_OFF_RET, /* MEM3RETSTATE */
66 },
67 .pwrsts_mem_on = {
68 [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
69 [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
70 [2] = PWRSTS_OFF_RET_ON, /* MEM3ONSTATE */
71 },
72 .voltdm = { .name = "core" },
73 };
74
75
76 /*
77 * 2430-specific powerdomains
78 */
79
80 /* XXX 2430 KILLDOMAINWKUP bit? No current users apparently */
81
82 static struct powerdomain mdm_pwrdm = {
83 .name = "mdm_pwrdm",
84 .prcm_offs = OMAP2430_MDM_MOD,
85 .pwrsts = PWRSTS_OFF_RET_ON,
86 .pwrsts_logic_ret = PWRSTS_RET,
87 .banks = 1,
88 .pwrsts_mem_ret = {
89 [0] = PWRSTS_RET, /* MEMRETSTATE */
90 },
91 .pwrsts_mem_on = {
92 [0] = PWRSTS_ON, /* MEMONSTATE */
93 },
94 .voltdm = { .name = "core" },
95 };
96
97 /*
98 *
99 */
100
101 static struct powerdomain *powerdomains_omap24xx[] __initdata = {
102 &wkup_omap2_pwrdm,
103 &gfx_omap2_pwrdm,
104 &dsp_pwrdm,
105 &mpu_24xx_pwrdm,
106 &core_24xx_pwrdm,
107 NULL
108 };
109
110 static struct powerdomain *powerdomains_omap2430[] __initdata = {
111 &mdm_pwrdm,
112 NULL
113 };
114
115 void __init omap242x_powerdomains_init(void)
116 {
117 if (!cpu_is_omap2420())
118 return;
119
120 pwrdm_register_platform_funcs(&omap2_pwrdm_operations);
121 pwrdm_register_pwrdms(powerdomains_omap24xx);
122 pwrdm_complete_init();
123 }
124
125 void __init omap243x_powerdomains_init(void)
126 {
127 if (!cpu_is_omap2430())
128 return;
129
130 pwrdm_register_platform_funcs(&omap2_pwrdm_operations);
131 pwrdm_register_pwrdms(powerdomains_omap24xx);
132 pwrdm_register_pwrdms(powerdomains_omap2430);
133 pwrdm_complete_init();
134 }
135
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.