/*
* Set the address of the fdt
*/
- if (argv[1][0] == 'a') {
+ if (strncmp(argv[1], "ad", 2) == 0) {
unsigned long addr;
int control = 0;
struct fdt_header *blob;
return 1;
}
working_fdt = newaddr;
+#ifdef CONFIG_OF_SYSTEM_SETUP
+ /* Call the board-specific fixup routine */
+ } else if (strncmp(argv[1], "sys", 3) == 0) {
+ int err = ft_system_setup(working_fdt, gd->bd);
+ if (err) {
+ printf("Failed to add system information to FDT: %s\n",
+ fdt_strerror(err));
+ return CMD_RET_FAILURE;
+ }
+#endif
/*
* Make a new node
*/
return CMD_RET_FAILURE;
}
}
-#endif
-#ifdef CONFIG_OF_SYSTEM_SETUP
- /* Call the board-specific fixup routine */
- else if (strncmp(argv[1], "sys", 3) == 0) {
- int err = ft_system_setup(working_fdt, gd->bd);
-
- if (err) {
- printf("Failed to add system information to FDT: %s\n",
- fdt_strerror(err));
- return CMD_RET_FAILURE;
- }
- }
#endif
/* Create a chosen node */
else if (strncmp(argv[1], "cho", 3) == 0) {
#endif
}
+#ifdef CONFIG_OF_LIBFDT_OVERLAY
+ /* apply an overlay */
+ else if (strncmp(argv[1], "ap", 2) == 0) {
+ unsigned long addr;
+ struct fdt_header *blob;
+ int ret;
+
+ if (argc != 3)
+ return CMD_RET_USAGE;
+
+ if (!working_fdt)
+ return CMD_RET_FAILURE;
+
+ addr = simple_strtoul(argv[2], NULL, 16);
+ blob = map_sysmem(addr, 0);
+ if (!fdt_valid(&blob))
+ return CMD_RET_FAILURE;
+
+ ret = fdt_overlay_apply(working_fdt, blob);
+ if (ret) {
+ printf("fdt_overlay_apply(): %s\n", fdt_strerror(ret));
+ return CMD_RET_FAILURE;
+ }
+ }
+#endif
/* resize the fdt */
else if (strncmp(argv[1], "re", 2) == 0) {
- fdt_shrink_to_minimum(working_fdt);
+ uint extrasize;
+ if (argc > 2)
+ extrasize = simple_strtoul(argv[2], NULL, 16);
+ else
+ extrasize = 0;
+ fdt_shrink_to_minimum(working_fdt, extrasize);
}
else {
/* Unrecognized command */
#ifdef CONFIG_SYS_LONGHELP
static char fdt_help_text[] =
"addr [-c] <addr> [<length>] - Set the [control] fdt location to <addr>\n"
+#ifdef CONFIG_OF_LIBFDT_OVERLAY
+ "fdt apply <addr> - Apply overlay to the DT\n"
+#endif
#ifdef CONFIG_OF_BOARD_SETUP
"fdt boardsetup - Do board-specific set up\n"
#endif
"fdt systemsetup - Do system-specific set up\n"
#endif
"fdt move <fdt> <newaddr> <length> - Copy the fdt to <addr> and make it active\n"
- "fdt resize - Resize fdt to size + padding to 4k addr\n"
+ "fdt resize [<extrasize>] - Resize fdt to size + padding to 4k addr + some optional <extrasize> if needed\n"
"fdt print <path> [<prop>] - Recursive print starting at <path>\n"
"fdt list <path> [<prop>] - Print one level starting at <path>\n"
"fdt get value <var> <path> <prop> - Get <property> and store in <var>\n"