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-rw-r--r--common/board_f.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/common/board_f.c b/common/board_f.c
index 31181a9dc4..6867abc8e6 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -467,12 +467,29 @@ static int reserve_uboot(void)
return 0;
}
+#ifdef CONFIG_SYS_NONCACHED_MEMORY
+static int reserve_noncached(void)
+{
+ /* round down to SECTION SIZE (typicaly 1MB) limit */
+ gd->start_addr_sp &= ~(MMU_SECTION_SIZE - 1);
+ gd->start_addr_sp -= CONFIG_SYS_NONCACHED_MEMORY;
+ debug("Reserving %dM for noncached_alloc() at: %08lx\n",
+ CONFIG_SYS_NONCACHED_MEMORY >> 20, gd->start_addr_sp);
+
+ return 0;
+}
+#endif
+
/* reserve memory for malloc() area */
static int reserve_malloc(void)
{
gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN;
debug("Reserving %dk for malloc() at: %08lx\n",
TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp);
+#ifdef CONFIG_SYS_NONCACHED_MEMORY
+ reserve_noncached();
+#endif
+
return 0;
}