[PATCH 1/1] common/board_f: avoid -Wtype-limits warning

[Heinrich Schuchardt]

CONFIG_SYS_SDRAM_BASE maybe zero. Avoid a build warning when compiling with
-Wtype-limits.

Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 common/board_f.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/board_f.c b/common/board_f.c
index 5c650f046c..cf93f70f74 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -309,7 +309,7 @@ __weak int mach_cpu_init(void)
 /* Get the top of usable RAM */
 __weak ulong board_get_usable_ram_top(ulong total_size)
 {
-#ifdef CONFIG_SYS_SDRAM_BASE
+#if defined(CONFIG_SYS_SDRAM_BASE) && CONFIG_SYS_SDRAM_BASE > 0
 	/*
 	 * Detect whether we have so much RAM that it goes past the end of our
 	 * 32-bit address space. If so, clip the usable RAM so it doesn't.
--
2.26.2