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Commit 9efac679 authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARCv2: Add support for ZeBu Emulation platform for HS cores 



The cool thing is that same kernel image can run on
 - nsim OSCI simulation platform
 - SDPlite FPGA setups

Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 618a9cd0

arch/arc/boot/dts/zebu_hs.dts

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Original line number Diff line number Diff line 
/*

 * Copyright (C) 2016-2014 Synopsys, Inc. (www.synopsys.com)

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

/dts-v1/;



/include/ "skeleton_hs.dtsi"



/ {

	model = "snps,zebu_hs";

	compatible = "snps,zebu_hs";

	#address-cells = <1>;

	#size-cells = <1>;

	interrupt-parent = <&core_intc>;



	memory {

		device_type = "memory";

		reg = <0x80000000 0x20000000>;	/* 512 */

	};



	chosen {

		bootargs = "earlycon=uart8250,mmio32,0xf0000000,115200n8 console=ttyS0,115200n8 debug print-fatal-signals=1";

	};



	aliases {

		serial0 = &uart0;

	};



	fpga {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <1>;



		/* child and parent address space 1:1 mapped */

		ranges;



		core_clk: core_clk {

			#clock-cells = <0>;

			compatible = "fixed-clock";

			clock-frequency = <50000000>;

		};



		core_intc: interrupt-controller {

			compatible = "snps,archs-intc";

			interrupt-controller;

			#interrupt-cells = <1>;

		};



		uart0: serial@f0000000 {

			compatible = "ns8250";

			reg = <0xf0000000 0x2000>;

			interrupts = <24>;

			clock-frequency = <50000000>;

			baud = <115200>;

			reg-shift = <2>;

			reg-io-width = <4>;

			no-loopback-test = <1>;

		};



		arcpct0: pct {

			compatible = "snps,archs-pct";

			#interrupt-cells = <1>;

			interrupts = <20>;

		};

	};

};

arch/arc/boot/dts/zebu_hs_idu.dts

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Original line number Diff line number Diff line 
/*

 * Copyright (C) 2016-2014 Synopsys, Inc. (www.synopsys.com)

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

/dts-v1/;



/include/ "skeleton_hs_idu.dtsi"



/ {

	model = "snps,zebu_hs-smp";

	compatible = "snps,zebu_hs";

	#address-cells = <1>;

	#size-cells = <1>;

	interrupt-parent = <&core_intc>;



	memory {

		device_type = "memory";

		reg = <0x80000000 0x20000000>;	/* 512 */

	};



	chosen {

		bootargs = "earlycon=uart8250,mmio32,0xf0000000,115200n8 console=ttyS0,115200n8 debug";

	};



	aliases {

		serial0 = &uart0;

	};



	fpga {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <1>;



		/* child and parent address space 1:1 mapped */

		ranges;



		core_clk: core_clk {

			#clock-cells = <0>;

			compatible = "fixed-clock";

			clock-frequency = <50000000>;	/* 50 MHZ */

		};



		core_intc: interrupt-controller {

			compatible = "snps,archs-intc";

			interrupt-controller;

			#interrupt-cells = <1>;

/*			interrupts = <16 17 18 19 20 21 22 23 24 25>; */

		};



		idu_intc: idu-interrupt-controller {

			compatible = "snps,archs-idu-intc";

			interrupt-controller;

			interrupt-parent = <&core_intc>;

			/* <hwirq  distribution>

			distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3 */

			#interrupt-cells = <2>;

			interrupts = <24 25 26 27 28 29 30 31>;



		};



		uart0: serial@f0000000 {

			/* compatible = "ns8250"; Doesn't use FIFOs */

			compatible = "ns16550a";

			reg = <0xf0000000 0x2000>;

			interrupt-parent = <&idu_intc>;

			/* interrupts = <0 1>;  DEST=1*/

			/* interrupts = <0 2>;  DEST=2*/

			interrupts = <0 0>;  /* RR*/

			clock-frequency = <50000000>;

			baud = <115200>;

			reg-shift = <2>;

			reg-io-width = <4>;

			no-loopback-test = <1>;

		};



		arcpct0: pct {

			compatible = "snps,archs-pct";

			#interrupt-cells = <1>;

			interrupts = <20>;

		};

	};

};

arch/arc/configs/zebu_hs_defconfig

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CONFIG_DEFAULT_HOSTNAME="ARCLinux"

# CONFIG_SWAP is not set

CONFIG_SYSVIPC=y

CONFIG_POSIX_MQUEUE=y

# CONFIG_CROSS_MEMORY_ATTACH is not set

CONFIG_NO_HZ_IDLE=y

CONFIG_HIGH_RES_TIMERS=y

CONFIG_IKCONFIG=y

CONFIG_IKCONFIG_PROC=y

CONFIG_NAMESPACES=y

# CONFIG_UTS_NS is not set

# CONFIG_PID_NS is not set

CONFIG_BLK_DEV_INITRD=y

CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"

CONFIG_EXPERT=y

CONFIG_PERF_EVENTS=y

# CONFIG_COMPAT_BRK is not set

CONFIG_SLAB=y

CONFIG_MODULES=y

# CONFIG_LBDAF is not set

# CONFIG_BLK_DEV_BSG is not set

# CONFIG_IOSCHED_DEADLINE is not set

# CONFIG_IOSCHED_CFQ is not set

CONFIG_ARC_PLAT_SIM=y

CONFIG_ISA_ARCV2=y

CONFIG_ARC_BUILTIN_DTB_NAME="zebu_hs"

CONFIG_PREEMPT=y

# CONFIG_COMPACTION is not set

CONFIG_NET=y

CONFIG_PACKET=y

CONFIG_PACKET_DIAG=y

CONFIG_UNIX=y

CONFIG_UNIX_DIAG=y

CONFIG_NET_KEY=y

CONFIG_INET=y

# CONFIG_INET_XFRM_MODE_TRANSPORT is not set

# CONFIG_INET_XFRM_MODE_TUNNEL is not set

# CONFIG_INET_XFRM_MODE_BEET is not set

# CONFIG_IPV6 is not set

# CONFIG_WIRELESS is not set

CONFIG_DEVTMPFS=y

# CONFIG_STANDALONE is not set

# CONFIG_PREVENT_FIRMWARE_BUILD is not set

# CONFIG_FIRMWARE_IN_KERNEL is not set

# CONFIG_BLK_DEV is not set

CONFIG_NETDEVICES=y

# CONFIG_NET_VENDOR_ARC is not set

# CONFIG_NET_VENDOR_BROADCOM is not set

# CONFIG_NET_VENDOR_INTEL is not set

# CONFIG_NET_VENDOR_MARVELL is not set

# CONFIG_NET_VENDOR_MICREL is not set

# CONFIG_NET_VENDOR_NATSEMI is not set

# CONFIG_NET_VENDOR_SEEQ is not set

# CONFIG_NET_VENDOR_STMICRO is not set

# CONFIG_NET_VENDOR_VIA is not set

# CONFIG_NET_VENDOR_WIZNET is not set

# CONFIG_WLAN is not set

CONFIG_INPUT_EVDEV=y

CONFIG_MOUSE_PS2_TOUCHKIT=y

# CONFIG_SERIO_SERPORT is not set

CONFIG_SERIO_ARC_PS2=y

# CONFIG_LEGACY_PTYS is not set

# CONFIG_DEVKMEM is not set

CONFIG_SERIAL_8250=y

CONFIG_SERIAL_8250_CONSOLE=y

CONFIG_SERIAL_8250_NR_UARTS=1

CONFIG_SERIAL_8250_RUNTIME_UARTS=1

CONFIG_SERIAL_8250_DW=y

CONFIG_SERIAL_OF_PLATFORM=y

# CONFIG_HW_RANDOM is not set

# CONFIG_HWMON is not set

CONFIG_FB=y

CONFIG_FRAMEBUFFER_CONSOLE=y

CONFIG_LOGO=y

# CONFIG_HID is not set

# CONFIG_USB_SUPPORT is not set

# CONFIG_IOMMU_SUPPORT is not set

CONFIG_EXT2_FS=y

CONFIG_EXT2_FS_XATTR=y

CONFIG_TMPFS=y

# CONFIG_MISC_FILESYSTEMS is not set

CONFIG_NFS_FS=y

# CONFIG_ENABLE_WARN_DEPRECATED is not set

# CONFIG_ENABLE_MUST_CHECK is not set

CONFIG_DEBUG_MEMORY_INIT=y

# CONFIG_DEBUG_PREEMPT is not set

arch/arc/configs/zebu_hs_smp_defconfig

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Original line number Diff line number Diff line 
CONFIG_DEFAULT_HOSTNAME="ARCLinux"

# CONFIG_SWAP is not set

CONFIG_SYSVIPC=y

CONFIG_POSIX_MQUEUE=y

# CONFIG_CROSS_MEMORY_ATTACH is not set

CONFIG_NO_HZ_IDLE=y

CONFIG_HIGH_RES_TIMERS=y

CONFIG_IKCONFIG=y

CONFIG_IKCONFIG_PROC=y

CONFIG_NAMESPACES=y

# CONFIG_UTS_NS is not set

# CONFIG_PID_NS is not set

CONFIG_BLK_DEV_INITRD=y

CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"

CONFIG_EMBEDDED=y

CONFIG_PERF_EVENTS=y

# CONFIG_VM_EVENT_COUNTERS is not set

# CONFIG_COMPAT_BRK is not set

CONFIG_SLAB=y

CONFIG_KPROBES=y

CONFIG_MODULES=y

# CONFIG_LBDAF is not set

# CONFIG_BLK_DEV_BSG is not set

# CONFIG_IOSCHED_DEADLINE is not set

# CONFIG_IOSCHED_CFQ is not set

CONFIG_ARC_PLAT_SIM=y

CONFIG_ISA_ARCV2=y

CONFIG_SMP=y

CONFIG_ARC_BUILTIN_DTB_NAME="zebu_hs_idu"

CONFIG_PREEMPT=y

# CONFIG_COMPACTION is not set

CONFIG_NET=y

CONFIG_PACKET=y

CONFIG_PACKET_DIAG=y

CONFIG_UNIX=y

CONFIG_UNIX_DIAG=y

CONFIG_NET_KEY=y

CONFIG_INET=y

# CONFIG_INET_XFRM_MODE_TRANSPORT is not set

# CONFIG_INET_XFRM_MODE_TUNNEL is not set

# CONFIG_INET_XFRM_MODE_BEET is not set

# CONFIG_IPV6 is not set

# CONFIG_WIRELESS is not set

CONFIG_DEVTMPFS=y

# CONFIG_STANDALONE is not set

# CONFIG_PREVENT_FIRMWARE_BUILD is not set

# CONFIG_FIRMWARE_IN_KERNEL is not set

# CONFIG_BLK_DEV is not set

CONFIG_NETDEVICES=y

# CONFIG_NET_VENDOR_ARC is not set

# CONFIG_NET_VENDOR_BROADCOM is not set

# CONFIG_NET_VENDOR_INTEL is not set

# CONFIG_NET_VENDOR_MARVELL is not set

# CONFIG_NET_VENDOR_MICREL is not set

# CONFIG_NET_VENDOR_NATSEMI is not set

# CONFIG_NET_VENDOR_SEEQ is not set

# CONFIG_NET_VENDOR_STMICRO is not set

# CONFIG_NET_VENDOR_VIA is not set

# CONFIG_NET_VENDOR_WIZNET is not set

# CONFIG_WLAN is not set

CONFIG_INPUT_EVDEV=y

CONFIG_MOUSE_PS2_TOUCHKIT=y

# CONFIG_SERIO_SERPORT is not set

CONFIG_SERIO_ARC_PS2=y

# CONFIG_LEGACY_PTYS is not set

# CONFIG_DEVKMEM is not set

CONFIG_SERIAL_8250=y

CONFIG_SERIAL_8250_CONSOLE=y

CONFIG_SERIAL_8250_NR_UARTS=1

CONFIG_SERIAL_8250_RUNTIME_UARTS=1

CONFIG_SERIAL_8250_DW=y

CONFIG_SERIAL_OF_PLATFORM=y

# CONFIG_HW_RANDOM is not set

# CONFIG_HWMON is not set

CONFIG_FB=y

CONFIG_FRAMEBUFFER_CONSOLE=y

CONFIG_LOGO=y

# CONFIG_HID is not set

# CONFIG_USB_SUPPORT is not set

# CONFIG_IOMMU_SUPPORT is not set

CONFIG_EXT2_FS=y

CONFIG_EXT2_FS_XATTR=y

CONFIG_TMPFS=y

# CONFIG_MISC_FILESYSTEMS is not set

CONFIG_NFS_FS=y

# CONFIG_ENABLE_WARN_DEPRECATED is not set

# CONFIG_ENABLE_MUST_CHECK is not set

CONFIG_LOCKUP_DETECTOR=y

# CONFIG_DEBUG_PREEMPT is not set

arch/arc/plat-sim/platform.c

+1 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ static const char *simulation_compat[] __initconst = { 
	"snps,nsim_hs",

	"snps,nsimosci",

	"snps,nsimosci_hs",

	"snps,zebu_hs",

	NULL,

};