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common/board\_f.c

1    static int reserve_fdt(void)
2    {
3    #ifndef CONFIG_OF_EMBED
4            /*
5             * If the device tree is sitting immediately above our image then we
6             * must relocate it. If it is embedded in the data section, then it
7             * will be relocated with other data.
8             */
9            if (gd->fdt_blob) {
10                    gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
11    
12                    gd->start_addr_sp -= gd->fdt_size;
13                    gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size);
14                    debug("Reserving %lu Bytes for FDT at: %08lx\n",
15                          gd->fdt_size, gd->start_addr_sp);
16            }
17    #endif
18    
19            return 0;
20    }

• 3번 줄의 CONFIG_OF_EMBED이 정의되어 있어 reserve_fdt는 아무런 역할을 수행하지 않고 종료합니다.

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