3 * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 DECLARE_GLOBAL_DATA_PTR
;
30 static const char **subcmd_list
[] = {
32 [SPL_EXPORT_FDT
] = (const char * []) {
33 #ifdef CONFIG_OF_LIBFDT
36 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
46 [SPL_EXPORT_ATAGS
] = (const char * []) {
47 #if defined(CONFIG_SETUP_MEMORY_TAGS) || \
48 defined(CONFIG_CMDLINE_TAG) || \
49 defined(CONFIG_INITRD_TAG) || \
50 defined(CONFIG_SERIAL_TAG) || \
51 defined(CONFIG_REVISION_TAG)
54 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
66 /* Calls bootm with the parameters given */
67 static int call_bootm(int argc
, char * const argv
[], const char *subcommand
[])
75 /* create paramter array */
76 bootm_argv
[0] = "do_bootm";
79 bootm_argv
[4] = argv
[2]; /* fdt addr */
81 bootm_argv
[3] = argv
[1]; /* initrd addr */
83 bootm_argv
[2] = argv
[0]; /* kernel addr */
89 * exec subcommands of do_bootm to init the images
92 while (subcommand
[i
] != NULL
) {
93 bootm_argv
[1] = (char *)subcommand
[i
];
94 debug("args %d: %s %s ", argc
, bootm_argv
[0], bootm_argv
[1]);
95 for (j
= 0; j
< argc
; j
++)
96 debug("%s ", bootm_argv
[j
+ 2]);
99 ret
= do_bootm(find_cmd("do_bootm"), 0, argc
+2,
101 debug("Subcommand retcode: %d\n", ret
);
106 printf("ERROR prep subcommand failed!\n");
113 static cmd_tbl_t cmd_spl_export_sub
[] = {
114 U_BOOT_CMD_MKENT(fdt
, 0, 1, (void *)SPL_EXPORT_FDT
, "", ""),
115 U_BOOT_CMD_MKENT(atags
, 0, 1, (void *)SPL_EXPORT_ATAGS
, "", ""),
118 static int spl_export(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
122 if (argc
< 2) /* no subcommand */
123 return cmd_usage(cmdtp
);
125 c
= find_cmd_tbl(argv
[1], &cmd_spl_export_sub
[0],
126 ARRAY_SIZE(cmd_spl_export_sub
));
127 if ((c
) && ((int)c
->cmd
<= SPL_EXPORT_LAST
)) {
130 if (call_bootm(argc
, argv
, subcmd_list
[(int)c
->cmd
]))
132 switch ((int)c
->cmd
) {
133 #ifdef CONFIG_OF_LIBFDT
135 printf("Argument image is now in RAM: 0x%p\n",
136 (void *)images
.ft_addr
);
139 case SPL_EXPORT_ATAGS
:
140 printf("Argument image is now in RAM at: 0x%p\n",
141 (void *)gd
->bd
->bi_boot_params
);
145 /* Unrecognized command */
146 return cmd_usage(cmdtp
);
152 static cmd_tbl_t cmd_spl_sub
[] = {
153 U_BOOT_CMD_MKENT(export
, 0, 1, (void *)SPL_EXPORT
, "", ""),
156 static int do_spl(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
161 if (argc
< 2) /* no subcommand */
162 return cmd_usage(cmdtp
);
164 c
= find_cmd_tbl(argv
[1], &cmd_spl_sub
[0], ARRAY_SIZE(cmd_spl_sub
));
171 if (spl_export(cmdtp
, flag
, argc
, argv
))
172 printf("Subcommand failed\n");
175 /* unrecognized command */
176 return cmd_usage(cmdtp
);
179 /* Unrecognized command */
180 return cmd_usage(cmdtp
);
186 spl
, 6 , 1, do_spl
, "SPL configuration",
187 "export <img=atags|fdt> [kernel_addr] [initrd_addr] [fdt_addr]\n"
188 "\timg\t\t\"atags\" or \"fdt\"\n"
189 "\tkernel_addr\taddress where a kernel image is stored.\n"
190 "\t\t\tkernel is loaded as part of the boot process, but it is not started.\n"
191 "\tinitrd_addr\taddress of initial ramdisk\n"
192 "\t\t\tcan be set to \"-\" if fdt_addr without initrd_addr is used.\n"
193 "\tfdt_addr\tin case of fdt, the address of the device tree.\n"