lmb: Reserve U-Boot separately if relocation is disabled
In case U-Boot starts with GD_FLG_SKIP_RELOC, the U-Boot code is
not relocated, however the stack and heap is at the end of DRAM
after relocation. Reserve a LMB area for the non-relocated U-Boot
code so it won't be overwritten.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
diff --git a/lib/lmb.c b/lib/lmb.c
index 676b3a0..f72996a 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -13,6 +13,7 @@
#include <malloc.h>
#include <asm/global_data.h>
+#include <asm/sections.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -144,6 +145,10 @@
bank_end = end - 1;
lmb_reserve(lmb, sp, bank_end - sp + 1);
+
+ if (gd->flags & GD_FLG_SKIP_RELOC)
+ lmb_reserve(lmb, (phys_addr_t)(uintptr_t)_start, gd->mon_len);
+
break;
}
}