From 542809620e62a3fc2f93c230440c6d105e59b32e Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sat, 9 May 2020 21:21:14 +0200
Subject: [PATCH] common/board_f: avoid -Wtype-limits warning

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

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
 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 52234535112..a5ead31ca7d 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.