If the node describing an overlay does not specify a load address, it will be loaded at the address previously used. Fixing it by allocating a temporary 64kB region that will be used as a default load address.
Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com ---
Changes in v2: None
common/spl/spl_fit.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c index a2909604cd..b54b30820e 100644 --- a/common/spl/spl_fit.c +++ b/common/spl/spl_fit.c @@ -9,6 +9,7 @@ #include <fpga.h> #include <image.h> #include <linux/libfdt.h> +#include <malloc.h> #include <spl.h>
#ifndef CONFIG_SYS_BOOTM_LEN @@ -302,6 +303,16 @@ static int spl_fit_append_fdt(struct spl_image_info *spl_image, spl_image->fdt_addr = (void *)image_info.load_addr; #if !CONFIG_IS_ENABLED(FIT_IMAGE_TINY) #if defined(CONFIG_OF_LIBFDT_OVERLAY) + void *tmpbuffer; + /* + * allocate 64kB of memory. This will be used to store the DT overlay + * before it is applied. It may not be used depending on how the + * overlay is stored. + */ + tmpbuffer = malloc(64 * 1024); + if (!tmpbuffer) + debug("%s: unable to allocate space for overlays\n", __func__); + for (; ; index++) { node = spl_fit_get_image_node(fit, images, FIT_FDT_PROP, index); if (node < 0) { @@ -309,6 +320,7 @@ static int spl_fit_append_fdt(struct spl_image_info *spl_image, return 0; }
+ image_info.load_addr = (ulong) tmpbuffer; ret = spl_load_fit_image(info, sector, fit, base_offset, node, &image_info); if (ret < 0) @@ -327,6 +339,8 @@ static int spl_fit_append_fdt(struct spl_image_info *spl_image, debug("%s: DT overlay %s applied\n", __func__, fit_get_name(fit, node, NULL)); } + if (tmpbuffer) + free(tmpbuffer); #endif /* Try to make space, so we can inject details on the loadables */ ret = fdt_shrink_to_minimum(spl_image->fdt_addr, 8192);