ARM:imx:imx8mq-cm: Add support for Ronetix iMX8MQ-CM

Supported peripherals: Ethernet, eMMC, Serial.

U-Boot SPL 2021.04-00911-g5fa1e2ffeb-dirty (Apr 23 2021 - 09:11:14
+0200)
Normal Boot
Trying to boot from MMC2

U-Boot 2021.04-00911-g5fa1e2ffeb-dirty (Apr 23 2021 - 09:11:14 +0200)

CPU:   Freescale i.MX8MQ rev2.1 at 1000 MHz
Reset cause: POR
Model: Ronetix iMX8M-CM SoM
DRAM:  1 GiB
WDT:   Started with servicing (60s timeout)
MMC:   FSL_SDHC: 0, FSL_SDHC: 1
Loading Environment from MMC... OK
In:    serial
Out:   serial
Err:   serial
Net:
Warning: ethernet@30be0000 (eth0) using random MAC address -
42:0d:e7:78:da:53
eth0: ethernet@30be0000
Hit any key to stop autoboot:  0
u-boot=>

Signed-off-by: Ilko Iliev <iliev@ronetix.at>

1 files changed, 111 insertions, 0 deletions

diff --git a/arch/arm/dts/imx8mq-cm-u-boot.dtsi b/arch/arm/dts/imx8mq-cm-u-boot.dtsi
new file mode 100644
index 0000000000..476a8e3dba
--- /dev/null
+++ b/arch/arm/dts/imx8mq-cm-u-boot.dtsi
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ */
+
+/ {
+	binman: binman {
+		multiple-images;
+	};
+};
+
+&binman {
+	 u-boot-spl-ddr {
+		filename = "u-boot-spl-ddr.bin";
+		pad-byte = <0xff>;
+		align-size = <4>;
+		align = <4>;
+
+		u-boot-spl {
+			align-end = <4>;
+		};
+
+		blob_1: blob-ext@1 {
+			filename = "lpddr4_pmu_train_1d_imem.bin";
+			size = <0x8000>;
+		};
+
+		blob_2: blob-ext@2 {
+			filename = "lpddr4_pmu_train_1d_dmem.bin";
+			size = <0x4000>;
+		};
+
+		blob_3: blob-ext@3 {
+			filename = "lpddr4_pmu_train_2d_imem.bin";
+			size = <0x8000>;
+		};
+
+		blob_4: blob-ext@4 {
+			filename = "lpddr4_pmu_train_2d_dmem.bin";
+			size = <0x4000>;
+		};
+	};
+
+	flash {
+		mkimage {
+			args = "-n spl/u-boot-spl.cfgout -T imx8mimage -e 0x7e1000";
+
+			blob {
+				filename = "u-boot-spl-ddr.bin";
+			};
+		};
+	};
+
+	itb {
+		filename = "u-boot.itb";
+
+		fit {
+			description = "Configuration to load ATF before U-Boot";
+			#address-cells = <1>;
+			fit,external-offset = <CONFIG_FIT_EXTERNAL_OFFSET>;
+
+			images {
+				uboot {
+					description = "U-Boot (64-bit)";
+					type = "standalone";
+					arch = "arm64";
+					compression = "none";
+					load = <CONFIG_SYS_TEXT_BASE>;
+
+					uboot_blob: blob-ext {
+						filename = "u-boot-nodtb.bin";
+					};
+				};
+
+				atf {
+					description = "ARM Trusted Firmware";
+					type = "firmware";
+					arch = "arm64";
+					compression = "none";
+					load = <0x910000>;
+					entry = <0x910000>;
+
+					atf_blob: blob-ext {
+						filename = "bl31.bin";
+					};
+				};
+
+				fdt {
+					description = "NAME";
+					type = "flat_dt";
+					compression = "none";
+
+					uboot_fdt_blob: blob-ext {
+						filename = "u-boot.dtb";
+					};
+				};
+			};
+
+			configurations {
+				default = "conf";
+
+				conf {
+					description = "NAME";
+					firmware = "uboot";
+					loadables = "atf";
+					fdt = "fdt";
+				};
+			};
+		};
+	};
+};