openwrt-owl/target/linux/ramips/patches-3.10/999-memory-detect.patch

33 lines
844 B
Diff

--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -80,6 +80,16 @@ void __init device_tree_init(void)
}
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 @@ void __init plat_mem_setup(void)
* 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