Hi Tom,

This patch adds support for Falcon mode boot via MMC flash boot devices with full FIT images.

While attempting to use Falcon boot mode with FIT images on MMC flash boot devices, I've found the following additional code to be required.

Patch attached and also added inline below:

Sincerely, Nathan

From a3d066656df60856950c9cbb28914d02d57c9364 Mon Sep 17 00:00:00 2001

From: Nathan Barrett-Morrison nathan.morrison@timesys.com Date: Tue, 8 Feb 2022 13:16:24 -0500 Subject: [PATCH] common: spl: spl_mmc: Add full FIT image support for kernel/OS loading during Falcon boot mode while booting via MMC

Signed-off-by: Nathan Barrett-Morrison nathan.morrison@timesys.com Cc: Tom Rini trini@konsulko.com --- common/spl/spl_mmc.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c index e1a7d25bd0..7fb2505c33 100644 --- a/common/spl/spl_mmc.c +++ b/common/spl/spl_mmc.c @@ -94,7 +94,19 @@ int mmc_load_image_raw_sector(struct spl_image_info *spl_image, goto end; }

- if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && + if (IS_ENABLED(CONFIG_SPL_LOAD_FIT_FULL) && + image_get_magic(header) == FDT_MAGIC) { + u32 image_size_sectors; + + debug("Found FIT\n"); + + image_size_sectors = (roundup(fdt_totalsize(header), 4) + mmc->read_bl_len - 1) / + mmc->read_bl_len; + count = blk_dread(bd, sector, image_size_sectors, CONFIG_SYS_LOAD_ADDR); + debug("hdr read sector %lx, count=%lu\n", sector, count); + + ret = spl_parse_image_header(spl_image, CONFIG_SYS_LOAD_ADDR); + } else if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && image_get_magic(header) == FDT_MAGIC) { struct spl_load_info load;