[Buildroot] [PATCH 3/7] board/freescale: use flash.bin for imx9 boot file

[Peter Korsgaard <peter@korsgaard.com>]

The boot file is generally referred to flash.bin, which is also the name
mainline U-Boot uses:

https://docs.u-boot-project.org/en/v2026.10/board/nxp/imx93_frdm.html#build-u-boot
https://trustedfirmware-a.readthedocs.io/en/stable/plat/imx9.html#deploy-tf-a-images
https://spsdk.readthedocs.io/en/v3.4.1/examples/ahab/imx93/imx93_ahab_uboot.html#ahab-image-container-set

So use that here as well for clarity and compatibility with mainline U-Boot.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
 board/freescale/common/imx/genimage.cfg.template_imx9 | 4 ++--
 board/freescale/common/imx/imx9-bootloader-prepare.sh | 6 +++---
 board/freescale/imx91evk/readme.txt                   | 2 +-
 board/freescale/imx93evk/readme.txt                   | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/board/freescale/common/imx/genimage.cfg.template_imx9 b/board/freescale/common/imx/genimage.cfg.template_imx9
index df7ddc25b7..227cc14431 100644
--- a/board/freescale/common/imx/genimage.cfg.template_imx9
+++ b/board/freescale/common/imx/genimage.cfg.template_imx9
@@ -2,7 +2,7 @@
 #
 # We mimic the .sdcard NXP's image format:
 # * the SD card must have 32 kB free space at the beginning,
-# * U-Boot is integrated into imx9-boot-sd.bin and is dumped as is,
+# * U-Boot is integrated into flash.bin and is dumped as is,
 # * a FAT partition at offset 8MB is containing Image and DTB files
 # * a single root filesystem partition is required (ext2, ext3 or ext4)
 #
@@ -24,7 +24,7 @@ image sdcard.img {
 
 	partition imx-boot {
 		in-partition-table = "no"
-		image = "imx9-boot-sd.bin"
+		image = "flash.bin"
 		offset = %IMXOFFSET%
 	}
 
diff --git a/board/freescale/common/imx/imx9-bootloader-prepare.sh b/board/freescale/common/imx/imx9-bootloader-prepare.sh
index a267114d43..ff5910bbf7 100755
--- a/board/freescale/common/imx/imx9-bootloader-prepare.sh
+++ b/board/freescale/common/imx/imx9-bootloader-prepare.sh
@@ -31,11 +31,11 @@ main ()
 
 	"${HOST_DIR}/bin/mkimage_imx8" -soc IMX9 -append "${BINARIES_DIR}/ahab-container.img" -c \
 		-ap "${BINARIES_DIR}/u-boot-spl-ddr.bin" a55 ${SPL_LOAD_ADDR} \
-		-out "${BINARIES_DIR}/imx9-boot-sd.bin"
+		-out "${BINARIES_DIR}/flash.bin"
 
-	flashbin_size="$(wc -c "${BINARIES_DIR}/imx9-boot-sd.bin" | awk '{print $1}')"
+	flashbin_size="$(wc -c "${BINARIES_DIR}/flash.bin" | awk '{print $1}')"
 	pad_cnt=$(($((flashbin_size + 0x400 - 1)) / 0x400))
-	dd if="${BINARIES_DIR}/u-boot-atf-container.img" of="${BINARIES_DIR}/imx9-boot-sd.bin" bs=1K seek=${pad_cnt}
+	dd if="${BINARIES_DIR}/u-boot-atf-container.img" of="${BINARIES_DIR}/flash.bin" bs=1K seek=${pad_cnt}
 
 	exit $?
 }
diff --git a/board/freescale/imx91evk/readme.txt b/board/freescale/imx91evk/readme.txt
index 42c9f41fa2..9a0bbb7be3 100644
--- a/board/freescale/imx91evk/readme.txt
+++ b/board/freescale/imx91evk/readme.txt
@@ -22,9 +22,9 @@ You will find in output/images/ the following files:
   - bl31.bin
   - boot.vfat
   - ddr_fw.bin
+  - flash.bin
   - Image
   - imx91-11x11-evk.dtb
-  - imx9-boot-sd.bin
   - lpddr4_pmu_train_fw.bin
   - rootfs.ext2
   - rootfs.ext4
diff --git a/board/freescale/imx93evk/readme.txt b/board/freescale/imx93evk/readme.txt
index 1173de39db..9978bee684 100644
--- a/board/freescale/imx93evk/readme.txt
+++ b/board/freescale/imx93evk/readme.txt
@@ -20,9 +20,9 @@ You will find in output/images/ the following files:
   - bl31.bin
   - boot.vfat
   - ddr_fw.bin
+  - flash.bin
   - Image
   - imx93-11x11-evk.dtb
-  - imx9-boot-sd.bin
   - lpddr4_pmu_train_fw.bin
   - rootfs.ext2
   - rootfs.ext4
-- 
2.47.3

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