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 <vgupta@synopsys.com>

diff --git a/arch/arc/boot/dts/zebu_hs.dts b/arch/arc/boot/dts/zebu_hs.dts
new file mode 100644 (file)
index 0000000..1c1324e
--- /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 (file)
index 0000000..65204b4
--- /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>;
+                       /* <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>;
+               };
+       };
+};

diff --git a/arch/arc/configs/zebu_hs_defconfig b/arch/arc/configs/zebu_hs_defconfig
new file mode 100644 (file)
index 0000000..9f6166b
--- /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 (file)
index 0000000..44e9693
--- /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 e4fe514..aea8738 100644 (file)
--- 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,
 };