board: sl28: add network variant 2 support

Although this variant has two external network ports, they are not (yet)
supported by the bootloader because they are connected via an internal
network switch. Otherwise its the same as the other variants.

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

5 files changed, 60 insertions, 3 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 882ea0274b..918af8c093 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -439,6 +439,7 @@ dtb-$(CONFIG_FSL_LSCH2) += fsl-ls1043a-qds-duart.dtb \
 	fsl-ls1012a-frwy.dtb
 dtb-$(CONFIG_TARGET_SL28) += fsl-ls1028a-kontron-sl28.dtb \
 	fsl-ls1028a-kontron-sl28-var1.dtb \
+	fsl-ls1028a-kontron-sl28-var2.dtb \
 	fsl-ls1028a-kontron-sl28-var3.dtb \
 	fsl-ls1028a-kontron-sl28-var4.dtb \
 
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 585753c14d..240178ab4e 100644
--- a/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
+++ b/arch/arm/dts/fsl-ls1028a-kontron-sl28-u-boot.dtsi
@@ -61,6 +61,17 @@
 				};
 
 				fdt-3 {
+					description = "fsl-ls1028a-kontron-sl28-var2";
+					type = "flat_dt";
+					arch = "arm";
+					compression = "none";
+
+					blob {
+						filename = "arch/arm/dts/fsl-ls1028a-kontron-sl28-var2.dtb";
+					};
+				};
+
+				fdt-4 {
 					description = "fsl-ls1028a-kontron-sl28-var3";
 					type = "flat_dt";
 					arch = "arm";
@@ -71,7 +82,7 @@
 					};
 				};
 
-				fdt-4 {
+				fdt-5 {
 					description = "fsl-ls1028a-kontron-sl28-var4";
 					type = "flat_dt";
 					arch = "arm";
@@ -99,17 +110,24 @@
 				};
 
 				conf-3 {
-					description = "fsl-ls1028a-kontron-sl28-var3";
+					description = "fsl-ls1028a-kontron-sl28-var2";
 					firmware = "uboot";
 					fdt = "fdt-3";
 				};
 
 				conf-4 {
-					description = "fsl-ls1028a-kontron-sl28-var4";
+					description = "fsl-ls1028a-kontron-sl28-var3";
 					firmware = "uboot";
 					loadables = "uboot";
 					fdt = "fdt-4";
 				};
+
+				conf-5 {
+					description = "fsl-ls1028a-kontron-sl28-var4";
+					firmware = "uboot";
+					loadables = "uboot";
+					fdt = "fdt-5";
+				};
 			};
 		};
 	};
@@ -154,6 +172,11 @@
 				firmware = "bl31";
 				loadables = "uboot";
 			};
+
+			conf-5 {
+				firmware = "bl31";
+				loadables = "uboot";
+			};
 		};
 	};
 };
@@ -194,6 +217,10 @@
 			conf-4 {
 				loadables = "uboot", "bl32";
 			};
+
+			conf-5 {
+				loadables = "uboot", "bl32";
+			};
 		};
 	};
 };
diff --git a/arch/arm/dts/fsl-ls1028a-kontron-sl28-var2-u-boot.dtsi b/arch/arm/dts/fsl-ls1028a-kontron-sl28-var2-u-boot.dtsi
new file mode 100644
index 0000000000..79b771e074
--- /dev/null
+++ b/arch/arm/dts/fsl-ls1028a-kontron-sl28-var2-u-boot.dtsi
@@ -0,0 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0+
+#include "fsl-ls1028a-kontron-sl28-u-boot.dtsi"
diff --git a/arch/arm/dts/fsl-ls1028a-kontron-sl28-var2.dts b/arch/arm/dts/fsl-ls1028a-kontron-sl28-var2.dts
new file mode 100644
index 0000000000..1ea1265bcf
--- /dev/null
+++ b/arch/arm/dts/fsl-ls1028a-kontron-sl28-var2.dts
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree file for the Kontron SMARC-sAL28 board.
+ *
+ * This is for the network variant 2 which has no ethernet support in the
+ * bootloader.
+ *
+ * Copyright (C) 2020 Michael Walle <michael@walle.cc>
+ *
+ */
+
+/dts-v1/;
+#include "fsl-ls1028a-kontron-sl28.dts"
+
+/ {
+	model = "Kontron SMARC-sAL28 (TSN-on-module)";
+	compatible = "kontron,sl28-var2", "kontron,sl28", "fsl,ls1028a";
+};
+
+&enetc0 {
+	status = "disabled";
+	/delete-property/ phy-handle;
+};
+
+/delete-node/ &phy0;
diff --git a/board/kontron/sl28/spl.c b/board/kontron/sl28/spl.c
index 92f8342c45..0ef67e2886 100644
--- a/board/kontron/sl28/spl.c
+++ b/board/kontron/sl28/spl.c
@@ -19,6 +19,8 @@ int board_fit_config_name_match(const char *name)
 	switch (variant) {
 	case 1:
 		return strcmp(name, "fsl-ls1028a-kontron-sl28-var1");
+	case 2:
+		return strcmp(name, "fsl-ls1028a-kontron-sl28-var2");
 	case 3:
 		return strcmp(name, "fsl-ls1028a-kontron-sl28-var3");
 	case 4: