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>
/* Get the top of usable RAM */
__weak ulong board_get_usable_ram_top(ulong total_size)
{
/* 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.
/*
* 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.