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From:   Jiaxun Yang <jiaxun.yang@flygoat.com>
To:     linux-mips@vger.kernel.org
Cc:     tsbogend@alpha.franken.de, mturquette@baylibre.com,
        daniel.lezcano@linaro.org, linus.walleij@linaro.org,
        vkoul@kernel.org, linux-kernel@vger.kernel.org,
        linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org,
        linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
        Jiaxun Yang <jiaxun.yang@flygoat.com>
Subject: [PATCH 1/9] MIPS: generic: Allow generating FIT image for Marduk board
Date:   Sun, 27 Jun 2021 12:56:23 +0800
Message-Id: <20210627045631.2882-2-jiaxun.yang@flygoat.com>
In-Reply-To: <20210627045631.2882-1-jiaxun.yang@flygoat.com>
References: <20210627045631.2882-1-jiaxun.yang@flygoat.com>
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Marduk is based on IMG pistachio SoC. The platform is using
MIPS UHI booting protocol and does have a proper devicetree
implement, thus it could be a part of generic kernel.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
 arch/mips/boot/dts/Makefile          |  1 +
 arch/mips/boot/dts/img/Makefile      |  2 ++
 arch/mips/generic/Kconfig            |  6 ++++++
 arch/mips/generic/Platform           |  1 +
 arch/mips/generic/board-marduk.its.S | 22 ++++++++++++++++++++++
 5 files changed, 32 insertions(+)
 create mode 100644 arch/mips/generic/board-marduk.its.S

diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index 60bd7d2a9ad8..188301164d9e 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -2,6 +2,7 @@
 subdir-$(CONFIG_BMIPS_GENERIC)		+= brcm
 subdir-$(CONFIG_CAVIUM_OCTEON_SOC)	+= cavium-octeon
 subdir-$(CONFIG_MACH_PISTACHIO)		+= img
+subdir-$(CONFIG_FIT_IMAGE_FDT_MARDUK)   += img
 subdir-$(CONFIG_FIT_IMAGE_FDT_BOSTON)	+= img
 subdir-$(CONFIG_MACH_INGENIC)		+= ingenic
 subdir-$(CONFIG_LANTIQ)			+= lantiq
diff --git a/arch/mips/boot/dts/img/Makefile b/arch/mips/boot/dts/img/Makefile
index 441a3c16efb0..24f6bbeadd48 100644
--- a/arch/mips/boot/dts/img/Makefile
+++ b/arch/mips/boot/dts/img/Makefile
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_FIT_IMAGE_FDT_BOSTON)	+= boston.dtb
 
+dtb-$(CONFIG_FIT_IMAGE_FDT_MARDUK)	+= pistachio_marduk.dtb
+
 dtb-$(CONFIG_MACH_PISTACHIO)	+= pistachio_marduk.dtb
 obj-$(CONFIG_MACH_PISTACHIO)	+= pistachio_marduk.dtb.o
diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig
index 657dd93c5e76..7dc5b3821cc6 100644
--- a/arch/mips/generic/Kconfig
+++ b/arch/mips/generic/Kconfig
@@ -58,6 +58,12 @@ config FIT_IMAGE_FDT_BOSTON
 	  enable this if you wish to boot on a MIPS Boston board, as it is
 	  expected by the bootloader.
 
+config FIT_IMAGE_FDT_MARDUK
+	bool "Include FDT for IMG Pistachio Marduk (CI40) boards"
+	help
+	  Enable this to include the FDT for the IMG Pistachio Marduk (CI40)
+	  from Imagination Technologies in the FIT kernel image.
+
 config FIT_IMAGE_FDT_NI169445
 	bool "Include FDT for NI 169445"
 	help
diff --git a/arch/mips/generic/Platform b/arch/mips/generic/Platform
index b871af16b5b6..e1abc113b409 100644
--- a/arch/mips/generic/Platform
+++ b/arch/mips/generic/Platform
@@ -24,3 +24,4 @@ its-$(CONFIG_FIT_IMAGE_FDT_LUTON)	+= board-luton.its.S
 its-$(CONFIG_FIT_IMAGE_FDT_JAGUAR2)	+= board-jaguar2.its.S
 its-$(CONFIG_FIT_IMAGE_FDT_SERVAL)	+= board-serval.its.S
 its-$(CONFIG_FIT_IMAGE_FDT_XILFPGA)	+= board-xilfpga.its.S
+its-$(CONFIG_FIT_IMAGE_FDT_MARDUK)	+= board-marduk.its.S
diff --git a/arch/mips/generic/board-marduk.its.S b/arch/mips/generic/board-marduk.its.S
new file mode 100644
index 000000000000..4f633794db90
--- /dev/null
+++ b/arch/mips/generic/board-marduk.its.S
@@ -0,0 +1,22 @@
+/ {
+	images {
+		fdt-marduk {
+			description = "img,pistachio-marduk Device Tree";
+			data = /incbin/("boot/dts/img/pistachio_marduk.dtb");
+			type = "flat_dt";
+			arch = "mips";
+			compression = "none";
+			hash {
+				algo = "sha1";
+			};
+		};
+	};
+
+	configurations {
+		conf-marduk {
+			description = "Marduk Linux kernel";
+			kernel = "kernel";
+			fdt = "fdt-marduk";
+		};
+	};
+};
-- 
2.32.0