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ARCv2: [vdk] dts files and defconfig for HS38 VDK 

- CONFIG_ARC_UBOOT_SUPPORT to handle arguments passed in r0, r1, r2
 - CONFIG_DEVTMPFS_MOUNT for mouting rootfs since it uses external cpio
   for rootfs

Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Ruud Derwig <rderwig@synopsys.com>
[vgupta: folded the Main baord DT files for smp/up into one]
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
hifive-unleashed-5.1
Ruud Derwig 2014-12-03 15:52:41 +01:00 committed by Vineet Gupta
parent 5fa2daaa8d
commit 2924cd18c4
10 changed files with 490 additions and 0 deletions
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61
arch/arc/boot/dts/vdk_axc003.dtsi 100644
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@ -0,0 +1,61 @@
/*
* Copyright (C) 2013, 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.
*/
/*
* Device tree for AXC003 CPU card: HS38x UP configuration (VDK version)
*/
/ {
compatible = "snps,arc";
clock-frequency = <50000000>;
#address-cells = <1>;
#size-cells = <1>;
cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0xf0000000 0x10000000>;
cpu_intc: archs-intc@cpu {
compatible = "snps,archs-intc";
interrupt-controller;
#interrupt-cells = <1>;
};
debug_uart: dw-apb-uart@0x5000 {
compatible = "snps,dw-apb-uart";
reg = <0x5000 0x100>;
clock-frequency = <2403200>;
interrupt-parent = <&cpu_intc>;
interrupts = <19>;
baud = <115200>;
reg-shift = <2>;
reg-io-width = <4>;
};
};
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
reg = < 0xe0012000 0x200 >;
interrupt-controller;
interrupt-parent = <&cpu_intc>;
interrupts = < 18 >;
};
memory {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0x80000000 0x40000000>;
device_type = "memory";
reg = <0x00000000 0x20000000>; /* 512MiB */
};
};

76
arch/arc/boot/dts/vdk_axc003_idu.dtsi 100644
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@ -0,0 +1,76 @@
/*
* Copyright (C) 2014, 2015 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.
*/
/*
* Device tree for AXC003 CPU card:
* HS38x2 (Dual Core) with IDU intc (VDK version)
*/
/ {
compatible = "snps,arc";
clock-frequency = <50000000>;
#address-cells = <1>;
#size-cells = <1>;
cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0xf0000000 0x10000000>;
cpu_intc: archs-intc@cpu {
compatible = "snps,archs-intc";
interrupt-controller;
#interrupt-cells = <1>;
};
idu_intc: idu-interrupt-controller {
compatible = "snps,archs-idu-intc";
interrupt-controller;
interrupt-parent = <&cpu_intc>;
/*
* <hwirq distribution>
* distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3
*/
#interrupt-cells = <2>;
interrupts = <24 25 26 27>;
};
debug_uart: dw-apb-uart@0x5000 {
compatible = "snps,dw-apb-uart";
reg = <0x5000 0x100>;
clock-frequency = <2403200>;
interrupt-parent = <&idu_intc>;
interrupts = <2 0>;
baud = <115200>;
reg-shift = <2>;
reg-io-width = <4>;
};
};
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
reg = < 0xe0012000 0x200 >;
interrupt-controller;
interrupt-parent = <&idu_intc>;
interrupts = < 0 0 >;
};
memory {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0x80000000 0x40000000>;
device_type = "memory";
reg = <0x00000000 0x20000000>; /* 512MiB */
};
};

93
arch/arc/boot/dts/vdk_axs10x_mb.dtsi 100644
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@ -0,0 +1,93 @@
/*
* Support for peripherals on the AXS10x mainboard (VDK version)
*
* Copyright (C) 2013-15 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.
*/
/ {
axs10x_mb_vdk {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0xe0000000 0x10000000>;
interrupt-parent = <&mb_intc>;
clocks {
apbclk: apbclk {
compatible = "fixed-clock";
clock-frequency = <50000000>;
#clock-cells = <0>;
};
};
ethernet@0x18000 {
#interrupt-cells = <1>;
compatible = "snps,dwmac";
reg = < 0x18000 0x2000 >;
interrupts = < 4 >;
interrupt-names = "macirq";
phy-mode = "rgmii";
snps,phy-addr = < 0 >; // VDK model phy address is 0
snps,pbl = < 32 >;
clocks = <&apbclk>;
clock-names = "stmmaceth";
};
ehci@0x40000 {
compatible = "generic-ehci";
reg = < 0x40000 0x100 >;
interrupts = < 8 >;
};
uart@0x20000 {
compatible = "snps,dw-apb-uart";
reg = <0x20000 0x100>;
clock-frequency = <2403200>;
interrupts = <17>;
baud = <115200>;
reg-shift = <2>;
reg-io-width = <4>;
};
uart@0x21000 {
compatible = "snps,dw-apb-uart";
reg = <0x21000 0x100>;
clock-frequency = <2403200>;
interrupts = <18>;
baud = <115200>;
reg-shift = <2>;
reg-io-width = <4>;
};
uart@0x22000 {
compatible = "snps,dw-apb-uart";
reg = <0x22000 0x100>;
clock-frequency = <2403200>;
interrupts = <19>;
baud = <115200>;
reg-shift = <2>;
reg-io-width = <4>;
};
/* PGU output directly sent to virtual LCD screen; hdmi controller not modelled */
pgu@0x17000 {
compatible = "snps,arcpgufb";
reg = <0x17000 0x400>;
clock-frequency = <51000000>; /* PGU'clock is initated in init function */
/* interrupts = <5>; PGU interrupts not used, this vector is used for ps2 below */
};
/* VDK has additional ps2 keyboard/mouse interface integrated in LCD screen model */
ps2: ps2@e0017400 {
compatible = "snps,arc_ps2";
reg = <0x17400 0x14>;
interrupts = <5>;
interrupt-names = "arc_ps2_irq";
};
};
};

21
arch/arc/boot/dts/vdk_hs38.dts 100644
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@ -0,0 +1,21 @@
/*
* Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
*
* ARC HS38 Virtual Development Kit (VDK)
*
* 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/ "vdk_axc003.dtsi"
/include/ "vdk_axs10x_mb.dtsi"
/ {
compatible = "snps,axs103";
chosen {
bootargs = "earlycon=uart8250,mmio32,0xe0022000,115200n8 console=tty0 console=ttyS3,115200n8 consoleblank=0";
};
};

21
arch/arc/boot/dts/vdk_hs38_smp.dts 100644
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@ -0,0 +1,21 @@
/*
* Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
*
* ARC HS38 Virtual Development Kit, SMP version (VDK)
*
* 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/ "vdk_axc003_idu.dtsi"
/include/ "vdk_axs10x_mb.dtsi"
/ {
compatible = "snps,axs103";
chosen {
bootargs = "earlycon=uart8250,mmio32,0xe0022000,115200n8 console=tty0 console=ttyS3,115200n8 consoleblank=0";
};
};

102
arch/arc/configs/vdk_hs38_defconfig 100644
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@ -0,0 +1,102 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_HIGH_RES_TIMERS=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_SLUB_DEBUG is not set
# CONFIG_COMPAT_BRK is not set
CONFIG_PARTITION_ADVANCED=y
CONFIG_ARC_PLAT_AXS10X=y
CONFIG_AXS103=y
CONFIG_ISA_ARCV2=y
CONFIG_ARC_UBOOT_SUPPORT=y
CONFIG_ARC_BUILTIN_DTB_NAME="vdk_hs38"
CONFIG_PREEMPT=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_NET_KEY=y
CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_SLRAM=y
CONFIG_BLK_DEV_RAM=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
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_STMMAC_ETH=y
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_NATIONAL_PHY=y
CONFIG_MOUSE_PS2_TOUCHKIT=y
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_DW=y
CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_ARCPGU_RGB888=y
CONFIG_ARCPGU_DISPTYPE=0
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
# CONFIG_LOGO_LINUX_CLUT224 is not set
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_SERIAL=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_NFS_FS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_LOCKUP_DETECTOR=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=10
# CONFIG_SCHED_DEBUG is not set
# CONFIG_DEBUG_PREEMPT is not set
# CONFIG_FTRACE is not set

104
arch/arc/configs/vdk_hs38_smp_defconfig 100644
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@ -0,0 +1,104 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_HIGH_RES_TIMERS=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_SLUB_DEBUG is not set
# CONFIG_COMPAT_BRK is not set
CONFIG_PARTITION_ADVANCED=y
CONFIG_ARC_PLAT_AXS10X=y
CONFIG_AXS103=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
# CONFIG_ARC_HAS_GRTC is not set
CONFIG_ARC_UBOOT_SUPPORT=y
CONFIG_ARC_BUILTIN_DTB_NAME="vdk_hs38_smp"
CONFIG_PREEMPT=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_NET_KEY=y
CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_SLRAM=y
CONFIG_BLK_DEV_RAM=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
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_STMMAC_ETH=y
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_NATIONAL_PHY=y
CONFIG_MOUSE_PS2_TOUCHKIT=y
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_DW=y
CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_ARCPGU_RGB888=y
CONFIG_ARCPGU_DISPTYPE=0
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
# CONFIG_LOGO_LINUX_CLUT224 is not set
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_SERIAL=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_NFS_FS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_LOCKUP_DETECTOR=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=10
# CONFIG_SCHED_DEBUG is not set
# CONFIG_DEBUG_PREEMPT is not set
# CONFIG_FTRACE is not set

2
arch/arc/kernel/asm-offsets.c
View File

@ -37,6 +37,8 @@ int main(void)
DEFINE(TASK_ACT_MM, offsetof(struct task_struct, active_mm));
DEFINE(TASK_TGID, offsetof(struct task_struct, tgid));
DEFINE(TASK_PID, offsetof(struct task_struct, pid));
DEFINE(TASK_COMM, offsetof(struct task_struct, comm));
DEFINE(MM_CTXT, offsetof(struct mm_struct, context));
DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));

2
arch/arc/mm/tlbex.S
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@ -313,6 +313,7 @@ ENTRY(EV_TLBMissI)
CONV_PTE_TO_TLB
COMMIT_ENTRY_TO_MMU
TLBMISS_RESTORE_REGS
EV_TLBMissI_fast_ret: ; additional label for VDK OS-kit instrumentation
rtie
END(EV_TLBMissI)
@ -378,6 +379,7 @@ ENTRY(EV_TLBMissD)
COMMIT_ENTRY_TO_MMU
TLBMISS_RESTORE_REGS
EV_TLBMissD_fast_ret: ; additional label for VDK OS-kit instrumentation
rtie
;-------- Common routine to call Linux Page Fault Handler -----------

8
arch/arc/plat-axs10x/axs10x.c
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@ -15,6 +15,8 @@
*/
#include <linux/of_platform.h>
#include <asm/asm-offsets.h>
#include <asm/clk.h>
#include <asm/io.h>
#include <asm/mach_desc.h>
@ -473,4 +475,10 @@ MACHINE_START(AXS103, "axs103")
#endif
MACHINE_END
/*
* For the VDK OS-kit, to get the offset to pid and command fields
*/
char coware_swa_pid_offset[TASK_PID];
char coware_swa_comm_offset[TASK_COMM];
#endif /* CONFIG_AXS103 */