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
|
/*
* Copyright (c) 2013 Google, Inc
*
* (C) Copyright 2012
* Pavel Herrmann <morpheus.ibis@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm-demo.h>
#include <asm/io.h>
struct device *demo_dev;
static int do_demo_hello(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
int ch = 0;
if (argc)
ch = *argv[0];
return demo_hello(demo_dev, ch);
}
static int do_demo_status(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
int status;
int ret;
ret = demo_status(demo_dev, &status);
if (ret)
return ret;
printf("Status: %d\n", status);
return 0;
}
int do_demo_list(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct device *dev;
int i, ret;
puts("Demo uclass entries:\n");
for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev);
dev;
ret = uclass_next_device(&dev)) {
printf("entry %d - instance %08x, ops %08x, platdata %08x\n",
i++, map_to_sysmem(dev),
map_to_sysmem(dev->driver->ops),
map_to_sysmem(dev_get_platdata(dev)));
}
return cmd_process_error(cmdtp, ret);
}
static cmd_tbl_t demo_commands[] = {
U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""),
U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""),
U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""),
};
static int do_demo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *demo_cmd;
int devnum = 0;
int ret;
if (argc < 2)
return CMD_RET_USAGE;
demo_cmd = find_cmd_tbl(argv[1], demo_commands,
ARRAY_SIZE(demo_commands));
argc -= 2;
argv += 2;
if (!demo_cmd || argc > demo_cmd->maxargs)
return CMD_RET_USAGE;
if (argc) {
devnum = simple_strtoul(argv[0], NULL, 10);
ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev);
if (ret)
return cmd_process_error(cmdtp, ret);
argc--;
argv++;
}
ret = demo_cmd->cmd(demo_cmd, flag, argc, argv);
return cmd_process_error(demo_cmd, ret);
}
U_BOOT_CMD(
demo, 4, 1, do_demo,
"Driver model (dm) demo operations",
"list List available demo devices\n"
"demo hello <num> [<char>] Say hello\n"
"demo status <num> Get demo device status"
);
|
