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Date: Fri, 31 Mar 2017 10:00:41 +0100
From: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>
To: <linux-mips@...ux-mips.org>, <ralf@...ux-mips.org>
CC: <Zubair.Kakakhel@...tec.com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/2] MIPS: generic: Add support for MIPSfpga
Add support for the MIPSfpga platform to generic kernel.
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>
---
arch/mips/boot/dts/xilfpga/Makefile | 2 +-
arch/mips/boot/dts/xilfpga/nexys4ddr.dts | 8 ++++++++
arch/mips/configs/generic/board-xilfpga.config | 19 +++++++++++++++++++
arch/mips/generic/Kconfig | 6 ++++++
arch/mips/generic/vmlinux.its.S | 25 +++++++++++++++++++++++++
5 files changed, 59 insertions(+), 1 deletion(-)
create mode 100644 arch/mips/configs/generic/board-xilfpga.config
diff --git a/arch/mips/boot/dts/xilfpga/Makefile b/arch/mips/boot/dts/xilfpga/Makefile
index 913a752..bbf8fb6 100644
--- a/arch/mips/boot/dts/xilfpga/Makefile
+++ b/arch/mips/boot/dts/xilfpga/Makefile
@@ -1,4 +1,4 @@
-dtb-$(CONFIG_XILFPGA_NEXYS4DDR) += nexys4ddr.dtb
+dtb-$(CONFIG_FIT_IMAGE_FDT_XILFPGA) += nexys4ddr.dtb
obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
index 09a62f2..8050e84 100644
--- a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
+++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
@@ -4,6 +4,14 @@
/ {
compatible = "digilent,nexys4ddr";
+
+ aliases {
+ serial0 = &axi_uart16550;
+ };
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ stdout-path = "serial0:115200n8";
+ };
memory {
device_type = "memory";
diff --git a/arch/mips/configs/generic/board-xilfpga.config b/arch/mips/configs/generic/board-xilfpga.config
new file mode 100644
index 0000000..786d387
--- /dev/null
+++ b/arch/mips/configs/generic/board-xilfpga.config
@@ -0,0 +1,19 @@
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_XILINX=y
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_FIT_IMAGE_FDT_XILFPGA=y
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_XILINX=y
+CONFIG_SENSORS_ADT7410=y
+CONFIG_TMPFS=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_NETDEVICES=y
+CONFIG_XILINX_EMACLITE=y
+CONFIG_SMSC_PHY=y
diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig
index a606b3f..26201e2 100644
--- a/arch/mips/generic/Kconfig
+++ b/arch/mips/generic/Kconfig
@@ -16,4 +16,10 @@ config LEGACY_BOARD_SEAD3
Enable this to include support for booting on MIPS SEAD-3 FPGA-based
development boards, which boot using a legacy boot protocol.
+config FIT_IMAGE_FDT_XILFPGA
+ bool "Include FDT for Xilfpga"
+ help
+ Enable this to include the FDT for the MIPSfpga platform
+ from Imagination Technologies in the FIT kernel image.
+
endif
diff --git a/arch/mips/generic/vmlinux.its.S b/arch/mips/generic/vmlinux.its.S
index f67fbf1..b2daa7e 100644
--- a/arch/mips/generic/vmlinux.its.S
+++ b/arch/mips/generic/vmlinux.its.S
@@ -29,3 +29,28 @@
};
};
};
+
+#ifdef CONFIG_FIT_IMAGE_FDT_XILFPGA
+/ {
+ images {
+ fdt@...fpga {
+ description = "MIPSfpga (xilfpga) Device Tree";
+ data = /incbin/("boot/dts/xilfpga/nexys4ddr.dtb");
+ type = "flat_dt";
+ arch = "mips";
+ compression = "none";
+ hash@0 {
+ algo = "sha1";
+ };
+ };
+ };
+
+ configurations {
+ conf@...fpga {
+ description = "MIPSfpga Linux kernel";
+ kernel = "kernel@0";
+ fdt = "fdt@...fpga";
+ };
+ };
+};
+#endif /* CONFIG_FIT_IMAGE_FDT_XILFPGA */
--
2.10.2
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