1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Power Domain test commands
*
* Copyright (C) 2020 Texas Instruments Incorporated, <www.ti.com>
*/
#include <common.h>
#include <command.h>
#include <dm.h>
#include <k3-dev.h>
static const struct udevice_id ti_pd_of_match[] = {
{ .compatible = "ti,sci-pm-domain" },
{ /* sentinel */ }
};
static struct ti_k3_pd_platdata *ti_pd_find_data(void)
{
struct udevice *dev;
int i = 0;
while (1) {
uclass_get_device(UCLASS_POWER_DOMAIN, i++, &dev);
if (!dev)
return NULL;
if (device_is_compatible(dev,
ti_pd_of_match[0].compatible))
return dev_get_priv(dev);
}
return NULL;
}
static void dump_lpsc(struct ti_k3_pd_platdata *data, struct ti_pd *pd)
{
int i;
struct ti_lpsc *lpsc;
u8 state;
static const char * const lpsc_states[] = {
"swrstdis", "syncrst", "disable", "enable", "autosleep",
"autowake", "unknown",
};
for (i = 0; i < data->num_lpsc; i++) {
lpsc = &data->lpsc[i];
if (lpsc->pd != pd)
continue;
state = lpsc_get_state(lpsc);
if (state > ARRAY_SIZE(lpsc_states))
state = ARRAY_SIZE(lpsc_states) - 1;
printf(" LPSC%d: state=%s, usecount=%d\n",
lpsc->id, lpsc_states[state], lpsc->usecount);
}
}
static void dump_pd(struct ti_k3_pd_platdata *data, struct ti_psc *psc)
{
int i;
struct ti_pd *pd;
u8 state;
static const char * const pd_states[] = {
"off", "on", "unknown"
};
for (i = 0; i < data->num_pd; i++) {
pd = &data->pd[i];
if (pd->psc != psc)
continue;
state = ti_pd_state(pd);
if (state > ARRAY_SIZE(pd_states))
state = ARRAY_SIZE(pd_states) - 1;
printf(" PD%d: state=%s, usecount=%d:\n",
pd->id, pd_states[state], pd->usecount);
dump_lpsc(data, pd);
}
}
static void dump_psc(struct ti_k3_pd_platdata *data)
{
int i;
struct ti_psc *psc;
for (i = 0; i < data->num_psc; i++) {
psc = &data->psc[i];
printf("PSC%d [%p]:\n", psc->id, psc->base);
dump_pd(data, psc);
}
}
static int do_pd_dump(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct ti_k3_pd_platdata *data;
data = ti_pd_find_data();
if (!data)
return CMD_RET_FAILURE;
dump_psc(data);
return 0;
}
static int do_pd_endis(int argc, char *const argv[], u8 state)
{
u32 psc_id;
u32 lpsc_id;
int i;
struct ti_k3_pd_platdata *data;
struct ti_lpsc *lpsc;
int ret;
if (argc < 3)
return CMD_RET_FAILURE;
data = ti_pd_find_data();
if (!data)
return CMD_RET_FAILURE;
psc_id = dectoul(argv[1], NULL);
lpsc_id = dectoul(argv[2], NULL);
for (i = 0; i < data->num_lpsc; i++) {
lpsc = &data->lpsc[i];
if (lpsc->pd->psc->id != psc_id)
continue;
if (lpsc->id != lpsc_id)
continue;
printf("%s pd [PSC:%d,LPSC:%d]...\n",
state == MDSTAT_STATE_ENABLE ? "Enabling" : "Disabling",
psc_id, lpsc_id);
ret = ti_lpsc_transition(lpsc, state);
if (ret)
return CMD_RET_FAILURE;
else
return 0;
}
printf("No matching psc/lpsc found.\n");
return CMD_RET_FAILURE;
}
static int do_pd_enable(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
return do_pd_endis(argc, argv, MDSTAT_STATE_ENABLE);
}
static int do_pd_disable(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
return do_pd_endis(argc, argv, MDSTAT_STATE_SWRSTDISABLE);
}
static struct cmd_tbl cmd_pd[] = {
U_BOOT_CMD_MKENT(dump, 1, 0, do_pd_dump, "", ""),
U_BOOT_CMD_MKENT(enable, 3, 0, do_pd_enable, "", ""),
U_BOOT_CMD_MKENT(disable, 3, 0, do_pd_disable, "", ""),
};
static int ti_do_pd(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
{
struct cmd_tbl *c;
argc--;
argv++;
c = find_cmd_tbl(argv[0], cmd_pd, ARRAY_SIZE(cmd_pd));
if (c)
return c->cmd(cmdtp, flag, argc, argv);
else
return CMD_RET_USAGE;
}
U_BOOT_CMD(pd, 4, 1, ti_do_pd,
"TI power domain control",
#if IS_ENABLED(CONFIG_SYS_LONGHELP)
"dump - show power domain status\n"
"enable [psc] [lpsc] - enable power domain\n"
"disable [psc] [lpsc] - disable power domain\n"
#endif
);
|
