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
|
/*
* Copyright (C) 2011
* Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <cmd_spl.h>
DECLARE_GLOBAL_DATA_PTR;
static const char **subcmd_list[] = {
[SPL_EXPORT_FDT] = (const char * []) {
#ifdef CONFIG_OF_LIBFDT
"start",
"loados",
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
"ramdisk",
#endif
"fdt",
"cmdline",
"bdt",
"prep",
#endif
NULL,
},
[SPL_EXPORT_ATAGS] = (const char * []) {
#if defined(CONFIG_SETUP_MEMORY_TAGS) || \
defined(CONFIG_CMDLINE_TAG) || \
defined(CONFIG_INITRD_TAG) || \
defined(CONFIG_SERIAL_TAG) || \
defined(CONFIG_REVISION_TAG)
"start",
"loados",
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
"ramdisk",
#endif
"cmdline",
"bdt",
"prep",
#endif
NULL,
},
NULL
};
/* Calls bootm with the parameters given */
static int call_bootm(int argc, char * const argv[], const char *subcommand[])
{
char *bootm_argv[5];
int i = 0;
int ret = 0;
int j;
/* create paramter array */
bootm_argv[0] = "do_bootm";
switch (argc) {
case 3:
bootm_argv[4] = argv[2]; /* fdt addr */
case 2:
bootm_argv[3] = argv[1]; /* initrd addr */
case 1:
bootm_argv[2] = argv[0]; /* kernel addr */
}
/*
* - do the work -
* exec subcommands of do_bootm to init the images
* data structure
*/
while (subcommand[i] != NULL) {
bootm_argv[1] = (char *)subcommand[i];
debug("args %d: %s %s ", argc, bootm_argv[0], bootm_argv[1]);
for (j = 0; j < argc; j++)
debug("%s ", bootm_argv[j + 2]);
debug("\n");
ret = do_bootm(find_cmd("do_bootm"), 0, argc+2,
bootm_argv);
debug("Subcommand retcode: %d\n", ret);
i++;
}
if (ret) {
printf("ERROR prep subcommand failed!\n");
return -1;
}
return 0;
}
static cmd_tbl_t cmd_spl_export_sub[] = {
U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)SPL_EXPORT_FDT, "", ""),
U_BOOT_CMD_MKENT(atags, 0, 1, (void *)SPL_EXPORT_ATAGS, "", ""),
};
static int spl_export(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const cmd_tbl_t *c;
if (argc < 2) /* no subcommand */
return cmd_usage(cmdtp);
c = find_cmd_tbl(argv[1], &cmd_spl_export_sub[0],
ARRAY_SIZE(cmd_spl_export_sub));
if ((c) && ((int)c->cmd <= SPL_EXPORT_LAST)) {
argc -= 2;
argv += 2;
if (call_bootm(argc, argv, subcmd_list[(int)c->cmd]))
return -1;
switch ((int)c->cmd) {
#ifdef CONFIG_OF_LIBFDT
case SPL_EXPORT_FDT:
printf("Argument image is now in RAM: 0x%p\n",
(void *)images.ft_addr);
break;
#endif
case SPL_EXPORT_ATAGS:
printf("Argument image is now in RAM at: 0x%p\n",
(void *)gd->bd->bi_boot_params);
break;
}
} else {
/* Unrecognized command */
return cmd_usage(cmdtp);
}
return 0;
}
static cmd_tbl_t cmd_spl_sub[] = {
U_BOOT_CMD_MKENT(export, 0, 1, (void *)SPL_EXPORT, "", ""),
};
static int do_spl(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const cmd_tbl_t *c;
int cmd;
if (argc < 2) /* no subcommand */
return cmd_usage(cmdtp);
c = find_cmd_tbl(argv[1], &cmd_spl_sub[0], ARRAY_SIZE(cmd_spl_sub));
if (c) {
cmd = (int)c->cmd;
switch (cmd) {
case SPL_EXPORT:
argc--;
argv++;
if (spl_export(cmdtp, flag, argc, argv))
printf("Subcommand failed\n");
break;
default:
/* unrecognized command */
return cmd_usage(cmdtp);
}
} else {
/* Unrecognized command */
return cmd_usage(cmdtp);
}
return 0;
}
U_BOOT_CMD(
spl, 6 , 1, do_spl, "SPL configuration",
"export <img=atags|fdt> [kernel_addr] [initrd_addr] [fdt_addr]\n"
"\timg\t\t\"atags\" or \"fdt\"\n"
"\tkernel_addr\taddress where a kernel image is stored.\n"
"\t\t\tkernel is loaded as part of the boot process, but it is not started.\n"
"\tinitrd_addr\taddress of initial ramdisk\n"
"\t\t\tcan be set to \"-\" if fdt_addr without initrd_addr is used.\n"
"\tfdt_addr\tin case of fdt, the address of the device tree.\n"
);
|
