microblaze: Make room for malloc before ELF
Create space below u-boot binary for early malloc.
It means memory layout is stack grows down, space for early malloc,
u-boot code.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h
index 06f6ed1..a48c8d6 100644
--- a/include/configs/microblaze-generic.h
+++ b/include/configs/microblaze-generic.h
@@ -121,7 +121,8 @@
#endif
/* Stack location before relocation */
-#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \
+ CONFIG_SYS_MALLOC_F_LEN)
/*
* CFI flash memory layout - Example