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.looijmans@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 {