SPL supports reading U-Boot from a RAM location. At present this is hard-coded to the U-Boot text base address. Use binman to allow this to come from the image file, if binman is used.
Signed-off-by: Simon Glass sjg@chromium.org ---
common/spl/spl_ram.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/common/spl/spl_ram.c b/common/spl/spl_ram.c index b2645a19480..fa8c768773a 100644 --- a/common/spl/spl_ram.c +++ b/common/spl/spl_ram.c @@ -11,6 +11,8 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> +#include <binman_sym.h> +#include <mapmem.h> #include <spl.h> #include <libfdt.h>
@@ -48,15 +50,24 @@ static int spl_ram_load_image(struct spl_image_info *spl_image, load.read = spl_ram_load_read; spl_load_simple_fit(spl_image, &load, 0, header); } else { + ulong u_boot_pos = binman_sym(ulong, u_boot_any, pos); + debug("Legacy image\n"); /* * Get the header. It will point to an address defined by * handoff which will tell where the image located inside - * the flash. For now, it will temporary fixed to address - * pointed by U-Boot. + * the flash. */ - header = (struct image_header *) - (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header)); + debug("u_boot_pos = %lx\n", u_boot_pos); + if (u_boot_pos == BINMAN_SYM_MISSING) { + /* + * No binman support or no information. For now, fix it + * to the address pointed to by U-Boot. + */ + u_boot_pos = CONFIG_SYS_TEXT_BASE - + sizeof(struct image_header); + } + header = (struct image_header *)map_sysmem(u_boot_pos, 0);
spl_parse_image_header(spl_image, header); }