From: Marek Vasut <marek.vasut+rene...@gmail.com>
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+rene...@gmail.com>
Cc: Simon Glass <s...@chromium.org>
Cc: Tom Rini <tr...@konsulko.com>
---
V2: Make this fully generic
---
lib/lmb.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lib/lmb.c b/lib/lmb.c
index 676b3a0bda..d868633899 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 @@ void arch_lmb_reserve_generic(struct lmb *lmb, ulong sp,
ulong end, ulong align)
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)_start, gd->mon_len);
+
break;
}
}
--
2.33.0
