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-rw-r--r--arch/mips/ralink/of.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index f68115fd98ef..f9eda5d8f82c 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -53,6 +53,17 @@ void __init device_tree_init(void)
unflatten_and_copy_device_tree();
}
+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)
{
set_io_port_base(KSEG1);
@@ -63,7 +74,10 @@ void __init plat_mem_setup(void)
*/
__dt_setup_arch(__dtb_start);
- 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