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| author | John Crispin <john@openwrt.org> | 2014-01-12 12:07:26 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2014-01-12 12:07:26 +0000 |
| commit | 6278a892d80a2d77751fe9c0276672d9c9d72724 (patch) | |
| tree | 274eeb628b4b361d0054ae773e2f55f1b7bff6fd | |
| parent | 0ac291d073b48b59340d71aeb584e86aebb82a68 (diff) | |
| download | upstream-6278a892d80a2d77751fe9c0276672d9c9d72724.tar.gz upstream-6278a892d80a2d77751fe9c0276672d9c9d72724.tar.bz2 upstream-6278a892d80a2d77751fe9c0276672d9c9d72724.zip | |
ralink: honour memory@0 node
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 39234
| -rw-r--r-- | target/linux/ramips/patches-3.10/999-memory-detect.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.10/999-memory-detect.patch b/target/linux/ramips/patches-3.10/999-memory-detect.patch new file mode 100644 index 0000000000..2e857fbc44 --- /dev/null +++ b/target/linux/ramips/patches-3.10/999-memory-detect.patch @@ -0,0 +1,34 @@ +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 |