3 * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
5 * SPDX-License-Identifier: GPL-2.0+
13 DECLARE_GLOBAL_DATA_PTR
;
15 static const char **subcmd_list
[] = {
17 [SPL_EXPORT_FDT
] = (const char * []) {
18 #ifdef CONFIG_OF_LIBFDT
21 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
31 [SPL_EXPORT_ATAGS
] = (const char * []) {
32 #if defined(CONFIG_SETUP_MEMORY_TAGS) || \
33 defined(CONFIG_CMDLINE_TAG) || \
34 defined(CONFIG_INITRD_TAG) || \
35 defined(CONFIG_SERIAL_TAG) || \
36 defined(CONFIG_REVISION_TAG)
39 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
51 /* Calls bootm with the parameters given */
52 static int call_bootm(int argc
, char * const argv
[], const char *subcommand
[])
60 /* create paramter array */
61 bootm_argv
[0] = "do_bootm";
64 bootm_argv
[4] = argv
[2]; /* fdt addr */
66 bootm_argv
[3] = argv
[1]; /* initrd addr */
68 bootm_argv
[2] = argv
[0]; /* kernel addr */
74 * exec subcommands of do_bootm to init the images
77 while (subcommand
[i
] != NULL
) {
78 bootm_argv
[1] = (char *)subcommand
[i
];
79 debug("args %d: %s %s ", argc
, bootm_argv
[0], bootm_argv
[1]);
80 for (j
= 0; j
< argc
; j
++)
81 debug("%s ", bootm_argv
[j
+ 2]);
84 ret
= do_bootm(find_cmd("do_bootm"), 0, argc
+2,
86 debug("Subcommand retcode: %d\n", ret
);
91 printf("ERROR prep subcommand failed!\n");
98 static cmd_tbl_t cmd_spl_export_sub
[] = {
99 U_BOOT_CMD_MKENT(fdt
, 0, 1, (void *)SPL_EXPORT_FDT
, "", ""),
100 U_BOOT_CMD_MKENT(atags
, 0, 1, (void *)SPL_EXPORT_ATAGS
, "", ""),
103 static int spl_export(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
107 if (argc
< 2) /* no subcommand */
108 return cmd_usage(cmdtp
);
110 c
= find_cmd_tbl(argv
[1], &cmd_spl_export_sub
[0],
111 ARRAY_SIZE(cmd_spl_export_sub
));
112 if ((c
) && ((long)c
->cmd
<= SPL_EXPORT_LAST
)) {
115 if (call_bootm(argc
, argv
, subcmd_list
[(long)c
->cmd
]))
117 switch ((long)c
->cmd
) {
118 #ifdef CONFIG_OF_LIBFDT
120 printf("Argument image is now in RAM: 0x%p\n",
121 (void *)images
.ft_addr
);
122 env_set_addr("fdtargsaddr", images
.ft_addr
);
123 env_set_hex("fdtargslen", fdt_totalsize(images
.ft_addr
));
124 if (fdt_totalsize(images
.ft_addr
) >
125 CONFIG_CMD_SPL_WRITE_SIZE
)
126 puts("WARN: FDT size > CMD_SPL_WRITE_SIZE\n");
129 case SPL_EXPORT_ATAGS
:
130 printf("Argument image is now in RAM at: 0x%p\n",
131 (void *)gd
->bd
->bi_boot_params
);
135 /* Unrecognized command */
136 return cmd_usage(cmdtp
);
142 static cmd_tbl_t cmd_spl_sub
[] = {
143 U_BOOT_CMD_MKENT(export
, 0, 1, (void *)SPL_EXPORT
, "", ""),
146 static int do_spl(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
151 if (argc
< 2) /* no subcommand */
152 return cmd_usage(cmdtp
);
154 c
= find_cmd_tbl(argv
[1], &cmd_spl_sub
[0], ARRAY_SIZE(cmd_spl_sub
));
161 if (spl_export(cmdtp
, flag
, argc
, argv
))
162 printf("Subcommand failed\n");
165 /* unrecognized command */
166 return cmd_usage(cmdtp
);
169 /* Unrecognized command */
170 return cmd_usage(cmdtp
);
176 spl
, 6 , 1, do_spl
, "SPL configuration",
177 "export <img=atags|fdt> [kernel_addr] [initrd_addr] [fdt_addr]\n"
178 "\timg\t\t\"atags\" or \"fdt\"\n"
179 "\tkernel_addr\taddress where a kernel image is stored.\n"
180 "\t\t\tkernel is loaded as part of the boot process, but it is not started.\n"
181 "\tinitrd_addr\taddress of initial ramdisk\n"
182 "\t\t\tcan be set to \"-\" if fdt_addr without initrd_addr is used.\n"
183 "\tfdt_addr\tin case of fdt, the address of the device tree.\n"