board: qualcomm: Add support for QCS404 EVB

Add support for Qualcomm QCS404 SoC based evaluation board.

Features:
- Qualcomm Snapdragon QCS404 SoC
- 1GiB RAM
- 8GiB eMMC, uSD slot

U-boot is chain loaded by ABL in 64-bit mode as part of boot.img.
For detailed build and boot instructions, refer to
doc/board/qualcomm/qcs404.rst.

Signed-off-by: Sumit Garg <sumit.garg@linaro.org>

5 files changed, 124 insertions, 0 deletions

diff --git a/board/qualcomm/qcs404-evb/Kconfig b/board/qualcomm/qcs404-evb/Kconfig
new file mode 100644
index 0000000..32657c7
--- /dev/null
+++ b/board/qualcomm/qcs404-evb/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_QCS404EVB
+
+config SYS_BOARD
+	default "qcs404-evb"
+
+config SYS_VENDOR
+	default "qualcomm"
+
+config SYS_SOC
+	default "qcs404"
+
+config SYS_CONFIG_NAME
+	default "qcs404-evb"
+
+endif
diff --git a/board/qualcomm/qcs404-evb/MAINTAINERS b/board/qualcomm/qcs404-evb/MAINTAINERS
new file mode 100644
index 0000000..0a2e194
--- /dev/null
+++ b/board/qualcomm/qcs404-evb/MAINTAINERS
@@ -0,0 +1,6 @@
+Qualcomm Technologies, Inc. QCS404 evaluation board
+M:	Sumit Garg <sumit.garg@linaro.org>
+S:	Maintained
+F:	board/qualcomm/qcs404-evb/
+F:	include/configs/qcs404-evb.h
+F:	configs/qcs404evb_defconfig
diff --git a/board/qualcomm/qcs404-evb/Makefile b/board/qualcomm/qcs404-evb/Makefile
new file mode 100644
index 0000000..4665827
--- /dev/null
+++ b/board/qualcomm/qcs404-evb/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2022 Sumit Garg <sumit.garg@linaro.org>
+#
+
+obj-y += qcs404-evb.o
diff --git a/board/qualcomm/qcs404-evb/qcs404-evb.c b/board/qualcomm/qcs404-evb/qcs404-evb.c
new file mode 100644
index 0000000..f1e6e7f
--- /dev/null
+++ b/board/qualcomm/qcs404-evb/qcs404-evb.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Board init file for QCS404-EVB
+ *
+ * (C) Copyright 2022 Sumit Garg <sumit.garg@linaro.org>
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <dm.h>
+#include <env.h>
+#include <init.h>
+#include <asm/cache.h>
+#include <asm/global_data.h>
+#include <fdt_support.h>
+#include <asm/arch/dram.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	return fdtdec_setup_mem_size_base();
+}
+
+int board_init(void)
+{
+	return 0;
+}
+
+void reset_cpu(void)
+{
+	psci_system_reset();
+}
diff --git a/board/qualcomm/qcs404-evb/qcs404-evb.its b/board/qualcomm/qcs404-evb/qcs404-evb.its
new file mode 100644
index 0000000..c982282
--- /dev/null
+++ b/board/qualcomm/qcs404-evb/qcs404-evb.its
@@ -0,0 +1,64 @@
+/*
+ * U-Boot uImage source file with multiple kernels, ramdisks and FDT blobs
+ */
+
+/dts-v1/;
+
+/ {
+	description = "Various kernels, ramdisks and FDT blobs";
+	#address-cells = <1>;
+
+	images {
+		kernel-1 {
+			description = "5.18.0-rc1";
+			data = /incbin/("./qcs404_imgs/Image.gz");
+			type = "kernel";
+			arch = "arm64";
+			os = "linux";
+			compression = "gzip";
+			load = <0x80000000>;
+			entry = <0x80000000>;
+			hash-1 {
+				algo = "sha1";
+			};
+		};
+
+		ramdisk-1 {
+			description = "Initial ramdisk";
+			data = /incbin/("./qcs404_imgs/initramfs-tiny-image-qemuarm64-20220618074058-1169.rootfs.cpio.gz");
+			type = "ramdisk";
+			arch = "arm64";
+			os = "linux";
+			compression = "gzip";
+			load = <00000000>;
+			entry = <00000000>;
+			hash-1 {
+				algo = "sha1";
+			};
+		};
+
+		fdt-1 {
+			description = "qcs404-evb-fdt";
+			data = /incbin/("./qcs404_imgs/qcs404-evb-4000.dtb");
+			type = "flat_dt";
+			arch = "arm64";
+			compression = "none";
+			load = <0x83000000>;
+			hash-1 {
+				algo = "sha1";
+			};
+		};
+
+	};
+
+	configurations {
+		default = "config-1";
+
+		config-1 {
+			description = "qcs404-evb kernel-5.18.0-rc1 configuration";
+			kernel = "kernel-1";
+			ramdisk = "ramdisk-1";
+			fdt = "fdt-1";
+		};
+	};
+};