[PATCH v1 21/34] arch: arm: dts: Basic device tree support added for Agilex7 M-series

[alif.zakuan.yuslaimi at altera.com]

From: Tingting Meng <tingting.meng at altera.com>

Agilex7 M-series support has been added using upstream Linux DTS.

socfpga_agilex_socdk-u-boot.dtsi was updated to support both Agilex and
Agilex7 M-series platforms.

Signed-off-by: Tingting Meng <tingting.meng at altera.com>
Signed-off-by: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>
---
 arch/arm/dts/socfpga_agilex-u-boot.dtsi       |  7 ++
 arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi | 92 ++++++++++++++++++-
 board/intel/agilex7m-socdk/MAINTAINERS        |  9 ++
 3 files changed, 107 insertions(+), 1 deletion(-)
 create mode 100644 board/intel/agilex7m-socdk/MAINTAINERS

diff --git a/arch/arm/dts/socfpga_agilex-u-boot.dtsi b/arch/arm/dts/socfpga_agilex-u-boot.dtsi
index 8c9bdf610ae..770f6cad292 100644
--- a/arch/arm/dts/socfpga_agilex-u-boot.dtsi
+++ b/arch/arm/dts/socfpga_agilex-u-boot.dtsi
@@ -263,3 +263,10 @@
 	/delete-node/ kernel;
 };
 #endif
+
+#ifdef CONFIG_TARGET_SOCFPGA_AGILEX7M
+&sdr {
+	compatible = "intel,sdr-ctl-agilex7m";
+	reg = <0xf8020000 0x100>;
+};
+#endif
diff --git a/arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi b/arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi
index 369d9585174..6f2fe7bf746 100644
--- a/arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi
+++ b/arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi
@@ -8,6 +8,7 @@
 
 #include "socfpga_agilex-u-boot.dtsi"
 
+#ifdef CONFIG_TARGET_SOCFPGA_AGILEX
 /{
 	chosen {
 		stdout-path = "serial0:115200n8";
@@ -21,6 +22,96 @@
 	};
 };
 
+&qspi {
+	status = "okay";
+};
+#endif
+
+#ifdef CONFIG_TARGET_SOCFPGA_AGILEX7M
+/{
+	model = "SoCFPGA Agilex7-M SoCDK";
+	chosen {
+		stdout-path = "serial0:115200n8";
+		u-boot,spl-boot-order = &mmc;
+	};
+
+	memory at 0 {
+		/*
+		 * When LPDDR ECC is enabled, the last 1/8 of the memory region must
+		 * be reserved for the Inline ECC buffer.
+		 *
+		 * Example for memory size with 2GB:
+		 * memory {
+		 *	reg = <0x0 0x00000000 0x0 0x80000000>;
+		 * };
+		 *
+		 * Example for memory size with 8GB:
+		 * memory {
+		 *	reg = <0x0 0x00000000 0x0 0x80000000>,
+		 *	      <0x1 0x00000000 0x1 0x80000000>;
+		 * };
+		 *
+		 *
+		 * Example for memory size with 2GB with LPDDR Inline ECC ON:
+		 * memory {
+		 *	reg = <0x0 0x00000000 0x0 0x70000000>;
+		 * };
+		 *
+		 * Example for memory size with 8GB with LPDDR Inline ECC ON:
+		 * memory {
+		 *	reg = <0x0 0x00000000 0x0 0x80000000>,
+		 *	      <0x1 0x00000000 0x1 0x40000000>;
+		 * };
+		 */
+
+		/* Default memory size is 2GB */
+		reg = <0x0 0x00000000 0x0 0x80000000>;
+	};
+};
+
+&gmac2 {
+	status = "okay";
+	phy-mode = "rgmii";
+	phy-handle = <&phy0>;
+
+	max-frame-size = <3800>;
+
+	mdio2 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "snps,dwmac-mdio";
+		phy2: ethernet-phy at 2 {
+			reg = <4>;
+
+			txd0-skew-ps = <0>; /* -420ps */
+			txd1-skew-ps = <0>; /* -420ps */
+			txd2-skew-ps = <0>; /* -420ps */
+			txd3-skew-ps = <0>; /* -420ps */
+			rxd0-skew-ps = <420>; /* 0ps */
+			rxd1-skew-ps = <420>; /* 0ps */
+			rxd2-skew-ps = <420>; /* 0ps */
+			rxd3-skew-ps = <420>; /* 0ps */
+			txen-skew-ps = <0>; /* -420ps */
+			txc-skew-ps = <1860>; /* 960ps */
+			rxdv-skew-ps = <420>; /* 0ps */
+			rxc-skew-ps = <1680>; /* 780ps */
+		};
+	};
+};
+
+&qspi {
+	status = "disabled";
+};
+
+&socfpga_l3interconnect_firewall {
+	soc_noc_fw_mpfe_csr_inst_0_mpfe_scr at f8020000 {
+		intel,offset-settings =
+			/* Disable MPFE firewall for SMMU */
+			<0x00000000 0x00010101 0x00010101>;
+	};
+};
+#endif
+
 &gmac0 {
 	mdio0 {
 		ethernet_phy0: ethernet-phy at 0 {
@@ -54,7 +145,6 @@
 };
 
 &qspi {
-	status = "okay";
 	/delete-property/ clocks;
 };
 
diff --git a/board/intel/agilex7m-socdk/MAINTAINERS b/board/intel/agilex7m-socdk/MAINTAINERS
new file mode 100644
index 00000000000..d69e614a0be
--- /dev/null
+++ b/board/intel/agilex7m-socdk/MAINTAINERS
@@ -0,0 +1,9 @@
+SOCFPGA BOARD
+M:	Tien Fong Chee <tien.fong.chee at altera.com>
+M:	Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>
+S:	Maintained
+F:	arch/arm/dts/socfpga_soc64_u-boot.dtsi
+F:	arch/arm/dts/socfpga_agilex7m*
+F:	board/intel/agilex7m-socdk/
+F:	include/configs/socfpga_agilex7m_socdk.h
+F:	configs/socfpga_agilex7m_sdmmc_defconfig
-- 
2.35.3