Commit b85a3ef4 authored by John Linn's avatar John Linn
Browse files

ARM: Xilinx: Adding Xilinx board support 



The 1st board support is minimal to get a system up and running
on the Xilinx platform.

This platform reuses the clock implementation from plat-versatile, and
it depends entirely on CONFIG_OF support.  There is only one board
support file which obtains all device information from a device tree
dtb file which is passed to the kernel at boot time.

Signed-off-by: default avatarJohn Linn <john.linn@xilinx.com>
parent 2c53b436

Documentation/devicetree/bindings/arm/xilinx.txt

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Xilinx Zynq EP107 Emulation Platform board



This board is an emulation platform for the Zynq product which is

based on an ARM Cortex A9 processor.



Required root node properties:

    - compatible = "xlnx,zynq-ep107";

arch/arm/Kconfig

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@@ -879,6 +879,20 @@ config ARCH_VT8500 
	select HAVE_PWM

	help

	  Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.



config ARCH_ZYNQ

	bool "Xilinx Zynq ARM Cortex A9 Platform"

	select CPU_V7

	select GENERIC_TIME

	select GENERIC_CLOCKEVENTS

	select CLKDEV_LOOKUP

	select ARM_GIC

	select ARM_AMBA

	select ICST

	select USE_OF

	help

	  Support for Xilinx Zynq ARM Cortex A9 Platform



endchoice



#

arch/arm/Makefile

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@@ -196,6 +196,7 @@ machine-$(CONFIG_MACH_SPEAR300) := spear3xx 
machine-$(CONFIG_MACH_SPEAR310)		:= spear3xx

machine-$(CONFIG_MACH_SPEAR320)		:= spear3xx

machine-$(CONFIG_MACH_SPEAR600)		:= spear6xx

machine-$(CONFIG_ARCH_ZYNQ)		:= zynq



# Platform directory name.  This list is sorted alphanumerically

# by CONFIG_* macro name.
@@ -203,6 +204,7 @@ plat-$(CONFIG_ARCH_MXC) := mxc 
plat-$(CONFIG_ARCH_OMAP)	:= omap

plat-$(CONFIG_ARCH_S3C64XX)	:= samsung

plat-$(CONFIG_ARCH_TCC_926)	:= tcc

plat-$(CONFIG_ARCH_ZYNQ)	:= versatile

plat-$(CONFIG_PLAT_IOP)		:= iop

plat-$(CONFIG_PLAT_NOMADIK)	:= nomadik

plat-$(CONFIG_PLAT_ORION)	:= orion

arch/arm/boot/dts/zynq-ep107.dts

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/*

 *  Copyright (C) 2011 Xilinx

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */



/dts-v1/;

/ {

	model = "Xilinx Zynq EP107";

	compatible = "xlnx,zynq-ep107";

	#address-cells = <1>;

	#size-cells = <1>;

	interrupt-parent = <&intc>;



	memory {

		device_type = "memory";

		reg = <0x0 0x10000000>;

	};



	chosen {

		bootargs = "console=ttyPS0,9600 root=/dev/ram rw initrd=0x800000,8M earlyprintk";

		linux,stdout-path = &uart0;

	};



	amba {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <1>;

		ranges;



		intc: interrupt-controller@f8f01000 {

			interrupt-controller;

			compatible = "arm,gic";

			reg = <0xF8F01000 0x1000>;

			#interrupt-cells = <2>;

		};



		uart0: uart@e0000000 {

			compatible = "xlnx,xuartps";

			reg = <0xE0000000 0x1000>;

			interrupts = <59 0>;

			clock = <50000000>;

		};

	};

};

arch/arm/mach-zynq/Makefile

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#

# Makefile for the linux kernel.

#



# Common support

obj-y 				:= common.o timer.o board_dt.o

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