aboutsummaryrefslogtreecommitdiff
path: root/common/spl/spl_opensbi.c
diff options
context:
space:
mode:
Diffstat (limited to 'common/spl/spl_opensbi.c')
-rw-r--r--common/spl/spl_opensbi.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/common/spl/spl_opensbi.c b/common/spl/spl_opensbi.c
index 9801d38..8127ebc 100644
--- a/common/spl/spl_opensbi.c
+++ b/common/spl/spl_opensbi.c
@@ -16,6 +16,7 @@
#include <opensbi.h>
#include <linux/libfdt.h>
#include <linux/printk.h>
+#include <mapmem.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -58,6 +59,20 @@ void __noreturn spl_invoke_opensbi(struct spl_image_info *spl_image)
}
/*
+ * Originally, u-boot-spl will place DTB directly after the kernel,
+ * but the size of the kernel did not include the BSS section, which
+ * means u-boot-spl will place the DTB in the kernel BSS section
+ * causing the DTB to be cleared by kernel BSS initializtion.
+ * Moving DTB in front of the kernel can avoid the error.
+ */
+#if CONFIG_IS_ENABLED(LOAD_FIT_OPENSBI_OS_BOOT) && \
+ CONFIG_IS_ENABLED(PAYLOAD_ARGS_ADDR)
+ memcpy((void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR, spl_image->fdt_addr,
+ fdt_totalsize(spl_image->fdt_addr));
+ spl_image->fdt_addr = map_sysmem(CONFIG_SPL_PAYLOAD_ARGS_ADDR, 0);
+#endif
+
+ /*
* Find next os image in /fit-images
* The next os image default is u-boot proper, once enable
* OpenSBI OS boot mode, the OS image should be linux.