[PATCH v2 2/5] board: sl28: generate FIT update image

[Michael Walle]

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 at walle.cc>
---
changes since v1:
 - new patch

 .../dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi  | 35 +++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

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 8538ce7984..d4b833284e 100644
--- a/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
+++ b/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
@@ -12,6 +12,12 @@
 	};
 
 	binman: binman {
+		multiple-images;
+	};
+};
+
+&binman {
+	u_boot_rom: u-boot-rom {
 		filename = "u-boot.rom";
 		pad-byte = <0xff>;
 
@@ -130,6 +136,31 @@
 	};
 };
 
+&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 {
@@ -139,7 +170,7 @@
 #endif
 
 #ifdef CONFIG_SL28_SPL_LOADS_ATF_BL31
-&binman {
+&u_boot_rom {
 	fit {
 		images {
 			bl31 {
@@ -188,7 +219,7 @@
 #endif
 
 #ifdef CONFIG_SL28_SPL_LOADS_OPTEE_BL32
-&binman {
+&u_boot_rom {
 	fit {
 		images {
 			bl32 {
-- 
2.30.2