board: sl28: generate FIT update image

Generate a FIT update image during build. The image will be called
"u-boot.update" and can be used to build an EFI UpdateCapsule or during
DFU mode. Although, the latter isn't supported because there is no USB
OTG driver yet.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

diff --git a/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi b/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
index b3861ed..a501cec 100644 (file)
--- a/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
+++ b/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
@@ -15,6 +15,12 @@
        };
 
        binman: binman {
+               multiple-images;
+       };
+};
+
+&binman {
+       u_boot_rom: u-boot-rom {
                filename = "u-boot.rom";
                pad-byte = <0xff>;
 
@@ -133,6 +139,31 @@
        };
 };
 
+&binman {
+       u-boot-update {
+               filename = "u-boot.update";
+
+               fit {
+                       description = "FIT update image";
+
+                       images {
+                               u-boot-bin {
+                                       description = "U-Boot";
+                                       type = "firmware";
+                                       os = "u-boot";
+                                       arch = "arm";
+                                       compression = "none";
+                                       load = <0>; /* unused */
+
+                                       blob {
+                                               filename = "u-boot.rom";
+                                       };
+                               };
+                       };
+               };
+       };
+};
+
 #ifdef CONFIG_SL28_ENABLE_SER0_CONSOLE
 / {
        chosen {
@@ -142,7 +173,7 @@
 #endif
 
 #ifdef CONFIG_SL28_SPL_LOADS_ATF_BL31
-&binman {
+&u_boot_rom {
        fit {
                images {
                        bl31 {
@@ -191,7 +222,7 @@
 #endif
 
 #ifdef CONFIG_SL28_SPL_LOADS_OPTEE_BL32
-&binman {
+&u_boot_rom {
        fit {
                images {
                        bl32 {