The devicetrees for various platforms already exceed 16k. Add a define
CONFIG_SYS_FDT_SIZE to specify the FDT size, and default to 16k. This
allows platforms with larger devicetree blobs to boot from NOR.
Signed-off-by: Mike Looijmans <mike.looijm...@topic.nl>
---
common/spl/spl_nor.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/common/spl/spl_nor.c b/common/spl/spl_nor.c
index da2422f..b37a023 100644
--- a/common/spl/spl_nor.c
+++ b/common/spl/spl_nor.c
@@ -7,6 +7,11 @@
#include <common.h>
#include <spl.h>
+/* 16 KiB default size for DT */
+#ifndef CONFIG_SYS_FDT_SIZE
+# define CONFIG_SYS_FDT_SIZE (16<<10)
+#endif
+
int spl_nor_load_image(void)
{
int ret;
@@ -40,11 +45,11 @@ int spl_nor_load_image(void)
/*
* Copy DT blob (fdt) to SDRAM. Passing pointer to
- * flash doesn't work (16 KiB should be enough for DT)
+ * flash doesn't work
*/
memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
(void *)(CONFIG_SYS_FDT_BASE),
- (16 << 10));
+ CONFIG_SYS_FDT_SIZE);
return 0;
} else {
--
1.9.1
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