Index: linux-3.10.26/arch/mips/ralink/of.c =================================================================== --- linux-3.10.26.orig/arch/mips/ralink/of.c 2014-01-12 11:49:40.292069849 +0100 +++ linux-3.10.26/arch/mips/ralink/of.c 2014-01-12 12:38:01.236138974 +0100 @@ -80,6 +80,16 @@ } extern struct boot_param_header __image_dtb; +static int memory_dtb; + +static int __init early_init_dt_find_memory(unsigned long node, const char *uname, + int depth, void *data) +{ + if (depth == 1 && !strcmp(uname, "memory@0")) + memory_dtb = 1; + + return 0; +} void __init plat_mem_setup(void) { @@ -90,8 +100,10 @@ * parsed resulting in our memory appearing */ __dt_setup_arch(&__image_dtb); - - if (soc_info.mem_size) + of_scan_flat_dt(early_init_dt_find_memory, NULL); + if (memory_dtb) + of_scan_flat_dt(early_init_dt_scan_memory, NULL); + else if (soc_info.mem_size) add_memory_region(soc_info.mem_base, soc_info.mem_size * SZ_1M, BOOT_MEM_RAM); else