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-rw-r--r--src/lib/selfboot.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/lib/selfboot.c b/src/lib/selfboot.c
index f32bb814fb..f933142144 100644
--- a/src/lib/selfboot.c
+++ b/src/lib/selfboot.c
@@ -78,6 +78,16 @@ struct segment {
static unsigned long bounce_size, bounce_buffer;
+#if CONFIG_RELOCATABLE_RAMSTAGE
+static void get_bounce_buffer(struct lb_memory *mem, unsigned long req_size)
+{
+ /* When the ramstage is relocatable there is no need for a bounce
+ * buffer. All payloads should not overlap the ramstage.
+ */
+ bounce_buffer = ~0UL;
+ bounce_size = 0;
+}
+#else
static void get_bounce_buffer(struct lb_memory *mem, unsigned long req_size)
{
unsigned long lb_size;
@@ -114,6 +124,7 @@ static void get_bounce_buffer(struct lb_memory *mem, unsigned long req_size)
bounce_buffer = buffer;
bounce_size = req_size;
}
+#endif /* CONFIG_RELOCATABLE_RAMSTAGE */
static int valid_area(struct lb_memory *mem, unsigned long buffer,
unsigned long start, unsigned long len)
@@ -394,8 +405,13 @@ static int load_self_segments(
for(ptr = head->next; ptr != head; ptr = ptr->next) {
if (!overlaps_coreboot(ptr))
continue;
+#if CONFIG_RELOCATABLE_RAMSTAGE
+ /* payloads are required to not overlap ramstage. */
+ return 0;
+#else
if (ptr->s_dstaddr + ptr->s_memsz > bounce_high)
bounce_high = ptr->s_dstaddr + ptr->s_memsz;
+#endif
}
get_bounce_buffer(mem, bounce_high - lb_start);
if (!bounce_buffer) {