fdt_support: Use CONFIG_NR_DRAM_BANKS if defined

It appears that there are some cases where we have more than 4 banks
of memory.  Use CONFIG_NR_DRAM_BANKS if it's defined to handle this.
This will take up a little extra stack space (64 bytes extra if we go
up to 8 banks), but that seems OK.

Signed-off-by: Doug Anderson <dianders@chromium.org>

diff --git a/common/fdt_support.c b/common/fdt_support.c
index 812acb401c176f81976fceb05e637fec024dc91c..416100e394dc92d3c61f143aa807681b1a5c84ce 100644 (file)
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -387,7 +387,11 @@ static void write_cell(u8 *addr, u64 val, int size)
        }
 }
 
+#ifdef CONFIG_NR_DRAM_BANKS
+#define MEMORY_BANKS_MAX CONFIG_NR_DRAM_BANKS
+#else
 #define MEMORY_BANKS_MAX 4
+#endif
 int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks)
 {
        int err, nodeoffset;