board: rockchip: add Pine64 QuartzPro64 RK3588 board

QuartzPro64 is a Rockchip RK3588 based SBC by Pine64.

UART and boot over SD/eMMC/RJ45 are tested to work.

Linux commits from next-20231013:
8152d3d070a9 ("arm64: dts: rockchip: Add QuartzPro64 SBC device tree")

Signed-off-by: Tom Fitzhenry <tom@tom-fitzhenry.me.uk>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Cc: Eugen Hristev <eugen.hristev@collabora.com>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Ondrej Jirman <megi@xff.cz>
diff --git a/board/pine64/quartzpro64-rk3588/Kconfig b/board/pine64/quartzpro64-rk3588/Kconfig
new file mode 100644
index 0000000..96aa792
--- /dev/null
+++ b/board/pine64/quartzpro64-rk3588/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_QUARTZPRO64_RK3588
+
+config SYS_BOARD
+	default "quartzpro64-rk3588"
+
+config SYS_VENDOR
+	default "pine64"
+
+config SYS_CONFIG_NAME
+	default "quartzpro64-rk3588"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif
diff --git a/board/pine64/quartzpro64-rk3588/MAINTAINERS b/board/pine64/quartzpro64-rk3588/MAINTAINERS
new file mode 100644
index 0000000..a7e944b
--- /dev/null
+++ b/board/pine64/quartzpro64-rk3588/MAINTAINERS
@@ -0,0 +1,8 @@
+QUARTZPRO64-RK3588
+M:	Tom Fitzhenry <tom@tom-fitzhenry.me.uk>
+S:	Maintained
+F:	board/pine64/quartzpro64-rk3588
+F:	include/configs/quartzpro64-rk3588.h
+F:	configs/quartzpro64-rk3588_defconfig
+F:	arch/arm/dts/rk3588-quartzpro64.dts
+F:	arch/arm/dts/rk3588-quartzpro64-u-boot.dtsi
diff --git a/board/pine64/quartzpro64-rk3588/Makefile b/board/pine64/quartzpro64-rk3588/Makefile
new file mode 100644
index 0000000..47819d9
--- /dev/null
+++ b/board/pine64/quartzpro64-rk3588/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier:     GPL-2.0+
+
+obj-y += quartzpro64-rk3588.o
diff --git a/board/pine64/quartzpro64-rk3588/quartzpro64-rk3588.c b/board/pine64/quartzpro64-rk3588/quartzpro64-rk3588.c
new file mode 100644
index 0000000..bda804a
--- /dev/null
+++ b/board/pine64/quartzpro64-rk3588/quartzpro64-rk3588.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2023 Google, Inc
+ */
+
+#include <fdtdec.h>
+#include <fdt_support.h>
+
+#ifdef CONFIG_OF_BOARD_SETUP
+int quartzpro64_add_reserved_memory_fdt_nodes(void *new_blob)
+{
+	struct fdt_memory gap1 = {
+		.start = 0x3fc000000,
+		.end = 0x3fc4fffff,
+	};
+	struct fdt_memory gap2 = {
+		.start = 0x3fff00000,
+		.end = 0x3ffffffff,
+	};
+	unsigned long flags = FDTDEC_RESERVED_MEMORY_NO_MAP;
+	unsigned int ret;
+
+	/*
+	 * Inject the reserved-memory nodes into the DTS
+	 */
+	ret = fdtdec_add_reserved_memory(new_blob, "gap1", &gap1,  NULL, 0,
+					 NULL, flags);
+	if (ret)
+		return ret;
+
+	return fdtdec_add_reserved_memory(new_blob, "gap2", &gap2,  NULL, 0,
+					  NULL, flags);
+}
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+	return quartzpro64_add_reserved_memory_fdt_nodes(blob);
+}
+#endif