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ARM: OMAP: AM33XX: Remove autoidle regs
[sitara-epos/sitara-epos-kernel.git] / arch / arm / mach-omap2 / clockdomains2420_data.c
1 /*
2  * OMAP2420 clockdomains
3  *
4  * Copyright (C) 2008-2011 Texas Instruments, Inc.
5  * Copyright (C) 2008-2010 Nokia Corporation
6  *
7  * Paul Walmsley, Jouni Högander
8  *
9  * This file contains clockdomains and clockdomain wakeup dependencies
10  * for OMAP2420 chips.  Some notes:
11  *
12  * A useful validation rule for struct clockdomain: Any clockdomain
13  * referenced by a wkdep_srcs must have a dep_bit assigned.  So
14  * wkdep_srcs are really just software-controllable dependencies.
15  * Non-software-controllable dependencies do exist, but they are not
16  * encoded below (yet).
17  *
18  * 24xx does not support programmable sleep dependencies (SLEEPDEP)
19  *
20  * The overly-specific dep_bit names are due to a bit name collision
21  * with CM_FCLKEN_{DSP,IVA2}.  The DSP/IVA2 PM_WKDEP and CM_SLEEPDEP shift
22  * value are the same for all powerdomains: 2
23  *
24  * XXX should dep_bit be a mask, so we can test to see if it is 0 as a
25  * sanity check?
26  * XXX encode hardware fixed wakeup dependencies -- esp. for 3430 CORE
27  */
29 /*
30  * To-Do List
31  * -> Port the Sleep/Wakeup dependencies for the domains
32  *    from the Power domain framework
33  */
35 #include <linux/kernel.h>
36 #include <linux/io.h>
38 #include "clockdomain.h"
39 #include "prm2xxx_3xxx.h"
40 #include "cm2xxx_3xxx.h"
41 #include "cm-regbits-24xx.h"
42 #include "prm-regbits-24xx.h"
44 /*
45  * Clockdomain dependencies for wkdeps
46  *
47  * XXX Hardware dependencies (e.g., dependencies that cannot be
48  * changed in software) are not included here yet, but should be.
49  */
51 /* Wakeup dependency source arrays */
53 /* 2420-specific possible wakeup dependencies */
55 /* 2420 PM_WKDEP_MPU: CORE, DSP, WKUP */
56 static struct clkdm_dep mpu_2420_wkdeps[] = {
57         { .clkdm_name = "core_l3_clkdm" },
58         { .clkdm_name = "core_l4_clkdm" },
59         { .clkdm_name = "dsp_clkdm" },
60         { .clkdm_name = "wkup_clkdm" },
61         { NULL },
62 };
64 /* 2420 PM_WKDEP_CORE: DSP, GFX, MPU, WKUP */
65 static struct clkdm_dep core_2420_wkdeps[] = {
66         { .clkdm_name = "dsp_clkdm" },
67         { .clkdm_name = "gfx_clkdm" },
68         { .clkdm_name = "mpu_clkdm" },
69         { .clkdm_name = "wkup_clkdm" },
70         { NULL },
71 };
73 /*
74  * 2420-only clockdomains
75  */
77 static struct clockdomain mpu_2420_clkdm = {
78         .name           = "mpu_clkdm",
79         .pwrdm          = { .name = "mpu_pwrdm" },
80         .flags          = CLKDM_CAN_HWSUP,
81         .wkdep_srcs     = mpu_2420_wkdeps,
82         .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
83 };
85 static struct clockdomain iva1_2420_clkdm = {
86         .name           = "iva1_clkdm",
87         .pwrdm          = { .name = "dsp_pwrdm" },
88         .flags          = CLKDM_CAN_HWSUP_SWSUP,
89         .dep_bit        = OMAP24XX_PM_WKDEP_MPU_EN_DSP_SHIFT,
90         .wkdep_srcs     = dsp_24xx_wkdeps,
91         .clktrctrl_mask = OMAP2420_AUTOSTATE_IVA_MASK,
92 };
94 static struct clockdomain dsp_2420_clkdm = {
95         .name           = "dsp_clkdm",
96         .pwrdm          = { .name = "dsp_pwrdm" },
97         .flags          = CLKDM_CAN_HWSUP_SWSUP,
98         .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSP_MASK,
99 };
101 static struct clockdomain gfx_2420_clkdm = {
102         .name           = "gfx_clkdm",
103         .pwrdm          = { .name = "gfx_pwrdm" },
104         .flags          = CLKDM_CAN_HWSUP_SWSUP,
105         .wkdep_srcs     = gfx_24xx_wkdeps,
106         .clktrctrl_mask = OMAP24XX_AUTOSTATE_GFX_MASK,
107 };
109 static struct clockdomain core_l3_2420_clkdm = {
110         .name           = "core_l3_clkdm",
111         .pwrdm          = { .name = "core_pwrdm" },
112         .flags          = CLKDM_CAN_HWSUP,
113         .wkdep_srcs     = core_2420_wkdeps,
114         .clktrctrl_mask = OMAP24XX_AUTOSTATE_L3_MASK,
115 };
117 static struct clockdomain core_l4_2420_clkdm = {
118         .name           = "core_l4_clkdm",
119         .pwrdm          = { .name = "core_pwrdm" },
120         .flags          = CLKDM_CAN_HWSUP,
121         .wkdep_srcs     = core_2420_wkdeps,
122         .clktrctrl_mask = OMAP24XX_AUTOSTATE_L4_MASK,
123 };
125 static struct clockdomain dss_2420_clkdm = {
126         .name           = "dss_clkdm",
127         .pwrdm          = { .name = "core_pwrdm" },
128         .flags          = CLKDM_CAN_HWSUP,
129         .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSS_MASK,
130 };
132 static struct clockdomain *clockdomains_omap242x[] __initdata = {
133         &wkup_common_clkdm,
134         &cm_common_clkdm,
135         &prm_common_clkdm,
136         &mpu_2420_clkdm,
137         &iva1_2420_clkdm,
138         &dsp_2420_clkdm,
139         &gfx_2420_clkdm,
140         &core_l3_2420_clkdm,
141         &core_l4_2420_clkdm,
142         &dss_2420_clkdm,
143         NULL,
144 };
146 void __init omap242x_clockdomains_init(void)
148         if (!cpu_is_omap242x())
149                 return;
151         clkdm_register_platform_funcs(&omap2_clkdm_operations);
152         clkdm_register_clkdms(clockdomains_omap242x);
153         clkdm_complete_init();