From 9efac6798b20ae6b63ce244b569755f3b60d80aa Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Mon, 11 May 2015 18:46:22 +0530 Subject: [PATCH] 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: Vineet Gupta --- arch/arc/boot/dts/zebu_hs.dts | 69 ++++++++++++++++++++ arch/arc/boot/dts/zebu_hs_idu.dts | 85 ++++++++++++++++++++++++ arch/arc/configs/zebu_hs_defconfig | 86 +++++++++++++++++++++++++ arch/arc/configs/zebu_hs_smp_defconfig | 89 ++++++++++++++++++++++++++ arch/arc/plat-sim/platform.c | 1 + 5 files changed, 330 insertions(+) create mode 100644 arch/arc/boot/dts/zebu_hs.dts create mode 100644 arch/arc/boot/dts/zebu_hs_idu.dts create mode 100644 arch/arc/configs/zebu_hs_defconfig create mode 100644 arch/arc/configs/zebu_hs_smp_defconfig diff --git a/arch/arc/boot/dts/zebu_hs.dts b/arch/arc/boot/dts/zebu_hs.dts new file mode 100644 index 000000000000..1c1324e84965 --- /dev/null +++ b/arch/arc/boot/dts/zebu_hs.dts @@ -0,0 +1,69 @@ +/* + * 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>; + }; + }; +}; diff --git a/arch/arc/boot/dts/zebu_hs_idu.dts b/arch/arc/boot/dts/zebu_hs_idu.dts new file mode 100644 index 000000000000..65204b4c0f13 --- /dev/null +++ b/arch/arc/boot/dts/zebu_hs_idu.dts @@ -0,0 +1,85 @@ +/* + * 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>; + /* + 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>; + }; + }; +}; diff --git a/arch/arc/configs/zebu_hs_defconfig b/arch/arc/configs/zebu_hs_defconfig new file mode 100644 index 000000000000..9f6166be7145 --- /dev/null +++ b/arch/arc/configs/zebu_hs_defconfig @@ -0,0 +1,86 @@ +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 diff --git a/arch/arc/configs/zebu_hs_smp_defconfig b/arch/arc/configs/zebu_hs_smp_defconfig new file mode 100644 index 000000000000..44e9693f4257 --- /dev/null +++ b/arch/arc/configs/zebu_hs_smp_defconfig @@ -0,0 +1,89 @@ +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 diff --git a/arch/arc/plat-sim/platform.c b/arch/arc/plat-sim/platform.c index e4fe51456808..aea87389e44b 100644 --- a/arch/arc/plat-sim/platform.c +++ b/arch/arc/plat-sim/platform.c @@ -24,6 +24,7 @@ static const char *simulation_compat[] __initconst = { "snps,nsim_hs", "snps,nsimosci", "snps,nsimosci_hs", + "snps,zebu_hs", NULL, }; -- 2.20.1