tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+330
+69
arch/arc/boot/dts/zebu_hs.dts
+69
arch/arc/boot/dts/zebu_hs.dts
···
1
+
/*
2
+
* Copyright (C) 2016-2014 Synopsys, Inc. (www.synopsys.com)
3
+
*
4
+
* This program is free software; you can redistribute it and/or modify
5
+
* it under the terms of the GNU General Public License version 2 as
6
+
* published by the Free Software Foundation.
7
+
*/
8
+
/dts-v1/;
9
+
10
+
/include/ "skeleton_hs.dtsi"
11
+
12
+
/ {
13
+
model = "snps,zebu_hs";
14
+
compatible = "snps,zebu_hs";
15
+
#address-cells = <1>;
16
+
#size-cells = <1>;
17
+
interrupt-parent = <&core_intc>;
18
+
19
+
memory {
20
+
device_type = "memory";
21
+
reg = <0x80000000 0x20000000>; /* 512 */
22
+
};
23
+
24
+
chosen {
25
+
bootargs = "earlycon=uart8250,mmio32,0xf0000000,115200n8 console=ttyS0,115200n8 debug print-fatal-signals=1";
26
+
};
27
+
28
+
aliases {
29
+
serial0 = &uart0;
30
+
};
31
+
32
+
fpga {
33
+
compatible = "simple-bus";
34
+
#address-cells = <1>;
35
+
#size-cells = <1>;
36
+
37
+
/* child and parent address space 1:1 mapped */
38
+
ranges;
39
+
40
+
core_clk: core_clk {
41
+
#clock-cells = <0>;
42
+
compatible = "fixed-clock";
43
+
clock-frequency = <50000000>;
44
+
};
45
+
46
+
core_intc: interrupt-controller {
47
+
compatible = "snps,archs-intc";
48
+
interrupt-controller;
49
+
#interrupt-cells = <1>;
50
+
};
51
+
52
+
uart0: serial@f0000000 {
53
+
compatible = "ns8250";
54
+
reg = <0xf0000000 0x2000>;
55
+
interrupts = <24>;
56
+
clock-frequency = <50000000>;
57
+
baud = <115200>;
58
+
reg-shift = <2>;
59
+
reg-io-width = <4>;
60
+
no-loopback-test = <1>;
61
+
};
62
+
63
+
arcpct0: pct {
64
+
compatible = "snps,archs-pct";
65
+
#interrupt-cells = <1>;
66
+
interrupts = <20>;
67
+
};
68
+
};
69
+
};
+85
arch/arc/boot/dts/zebu_hs_idu.dts
+85
arch/arc/boot/dts/zebu_hs_idu.dts
···
1
+
/*
2
+
* Copyright (C) 2016-2014 Synopsys, Inc. (www.synopsys.com)
3
+
*
4
+
* This program is free software; you can redistribute it and/or modify
5
+
* it under the terms of the GNU General Public License version 2 as
6
+
* published by the Free Software Foundation.
7
+
*/
8
+
/dts-v1/;
9
+
10
+
/include/ "skeleton_hs_idu.dtsi"
11
+
12
+
/ {
13
+
model = "snps,zebu_hs-smp";
14
+
compatible = "snps,zebu_hs";
15
+
#address-cells = <1>;
16
+
#size-cells = <1>;
17
+
interrupt-parent = <&core_intc>;
18
+
19
+
memory {
20
+
device_type = "memory";
21
+
reg = <0x80000000 0x20000000>; /* 512 */
22
+
};
23
+
24
+
chosen {
25
+
bootargs = "earlycon=uart8250,mmio32,0xf0000000,115200n8 console=ttyS0,115200n8 debug";
26
+
};
27
+
28
+
aliases {
29
+
serial0 = &uart0;
30
+
};
31
+
32
+
fpga {
33
+
compatible = "simple-bus";
34
+
#address-cells = <1>;
35
+
#size-cells = <1>;
36
+
37
+
/* child and parent address space 1:1 mapped */
38
+
ranges;
39
+
40
+
core_clk: core_clk {
41
+
#clock-cells = <0>;
42
+
compatible = "fixed-clock";
43
+
clock-frequency = <50000000>; /* 50 MHZ */
44
+
};
45
+
46
+
core_intc: interrupt-controller {
47
+
compatible = "snps,archs-intc";
48
+
interrupt-controller;
49
+
#interrupt-cells = <1>;
50
+
/* interrupts = <16 17 18 19 20 21 22 23 24 25>; */
51
+
};
52
+
53
+
idu_intc: idu-interrupt-controller {
54
+
compatible = "snps,archs-idu-intc";
55
+
interrupt-controller;
56
+
interrupt-parent = <&core_intc>;
57
+
/* <hwirq distribution>
58
+
distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3 */
59
+
#interrupt-cells = <2>;
60
+
interrupts = <24 25 26 27 28 29 30 31>;
61
+
62
+
};
63
+
64
+
uart0: serial@f0000000 {
65
+
/* compatible = "ns8250"; Doesn't use FIFOs */
66
+
compatible = "ns16550a";
67
+
reg = <0xf0000000 0x2000>;
68
+
interrupt-parent = <&idu_intc>;
69
+
/* interrupts = <0 1>; DEST=1*/
70
+
/* interrupts = <0 2>; DEST=2*/
71
+
interrupts = <0 0>; /* RR*/
72
+
clock-frequency = <50000000>;
73
+
baud = <115200>;
74
+
reg-shift = <2>;
75
+
reg-io-width = <4>;
76
+
no-loopback-test = <1>;
77
+
};
78
+
79
+
arcpct0: pct {
80
+
compatible = "snps,archs-pct";
81
+
#interrupt-cells = <1>;
82
+
interrupts = <20>;
83
+
};
84
+
};
85
+
};
+86
arch/arc/configs/zebu_hs_defconfig
+86
arch/arc/configs/zebu_hs_defconfig
···
1
+
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
2
+
# CONFIG_SWAP is not set
3
+
CONFIG_SYSVIPC=y
4
+
CONFIG_POSIX_MQUEUE=y
5
+
# CONFIG_CROSS_MEMORY_ATTACH is not set
6
+
CONFIG_NO_HZ_IDLE=y
7
+
CONFIG_HIGH_RES_TIMERS=y
8
+
CONFIG_IKCONFIG=y
9
+
CONFIG_IKCONFIG_PROC=y
10
+
CONFIG_NAMESPACES=y
11
+
# CONFIG_UTS_NS is not set
12
+
# CONFIG_PID_NS is not set
13
+
CONFIG_BLK_DEV_INITRD=y
14
+
CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
15
+
CONFIG_EXPERT=y
16
+
CONFIG_PERF_EVENTS=y
17
+
# CONFIG_COMPAT_BRK is not set
18
+
CONFIG_SLAB=y
19
+
CONFIG_MODULES=y
20
+
# CONFIG_LBDAF is not set
21
+
# CONFIG_BLK_DEV_BSG is not set
22
+
# CONFIG_IOSCHED_DEADLINE is not set
23
+
# CONFIG_IOSCHED_CFQ is not set
24
+
CONFIG_ARC_PLAT_SIM=y
25
+
CONFIG_ISA_ARCV2=y
26
+
CONFIG_ARC_BUILTIN_DTB_NAME="zebu_hs"
27
+
CONFIG_PREEMPT=y
28
+
# CONFIG_COMPACTION is not set
29
+
CONFIG_NET=y
30
+
CONFIG_PACKET=y
31
+
CONFIG_PACKET_DIAG=y
32
+
CONFIG_UNIX=y
33
+
CONFIG_UNIX_DIAG=y
34
+
CONFIG_NET_KEY=y
35
+
CONFIG_INET=y
36
+
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
37
+
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
38
+
# CONFIG_INET_XFRM_MODE_BEET is not set
39
+
# CONFIG_IPV6 is not set
40
+
# CONFIG_WIRELESS is not set
41
+
CONFIG_DEVTMPFS=y
42
+
# CONFIG_STANDALONE is not set
43
+
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
44
+
# CONFIG_FIRMWARE_IN_KERNEL is not set
45
+
# CONFIG_BLK_DEV is not set
46
+
CONFIG_NETDEVICES=y
47
+
# CONFIG_NET_VENDOR_ARC is not set
48
+
# CONFIG_NET_VENDOR_BROADCOM is not set
49
+
# CONFIG_NET_VENDOR_INTEL is not set
50
+
# CONFIG_NET_VENDOR_MARVELL is not set
51
+
# CONFIG_NET_VENDOR_MICREL is not set
52
+
# CONFIG_NET_VENDOR_NATSEMI is not set
53
+
# CONFIG_NET_VENDOR_SEEQ is not set
54
+
# CONFIG_NET_VENDOR_STMICRO is not set
55
+
# CONFIG_NET_VENDOR_VIA is not set
56
+
# CONFIG_NET_VENDOR_WIZNET is not set
57
+
# CONFIG_WLAN is not set
58
+
CONFIG_INPUT_EVDEV=y
59
+
CONFIG_MOUSE_PS2_TOUCHKIT=y
60
+
# CONFIG_SERIO_SERPORT is not set
61
+
CONFIG_SERIO_ARC_PS2=y
62
+
# CONFIG_LEGACY_PTYS is not set
63
+
# CONFIG_DEVKMEM is not set
64
+
CONFIG_SERIAL_8250=y
65
+
CONFIG_SERIAL_8250_CONSOLE=y
66
+
CONFIG_SERIAL_8250_NR_UARTS=1
67
+
CONFIG_SERIAL_8250_RUNTIME_UARTS=1
68
+
CONFIG_SERIAL_8250_DW=y
69
+
CONFIG_SERIAL_OF_PLATFORM=y
70
+
# CONFIG_HW_RANDOM is not set
71
+
# CONFIG_HWMON is not set
72
+
CONFIG_FB=y
73
+
CONFIG_FRAMEBUFFER_CONSOLE=y
74
+
CONFIG_LOGO=y
75
+
# CONFIG_HID is not set
76
+
# CONFIG_USB_SUPPORT is not set
77
+
# CONFIG_IOMMU_SUPPORT is not set
78
+
CONFIG_EXT2_FS=y
79
+
CONFIG_EXT2_FS_XATTR=y
80
+
CONFIG_TMPFS=y
81
+
# CONFIG_MISC_FILESYSTEMS is not set
82
+
CONFIG_NFS_FS=y
83
+
# CONFIG_ENABLE_WARN_DEPRECATED is not set
84
+
# CONFIG_ENABLE_MUST_CHECK is not set
85
+
CONFIG_DEBUG_MEMORY_INIT=y
86
+
# CONFIG_DEBUG_PREEMPT is not set
+89
arch/arc/configs/zebu_hs_smp_defconfig
+89
arch/arc/configs/zebu_hs_smp_defconfig
···
1
+
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
2
+
# CONFIG_SWAP is not set
3
+
CONFIG_SYSVIPC=y
4
+
CONFIG_POSIX_MQUEUE=y
5
+
# CONFIG_CROSS_MEMORY_ATTACH is not set
6
+
CONFIG_NO_HZ_IDLE=y
7
+
CONFIG_HIGH_RES_TIMERS=y
8
+
CONFIG_IKCONFIG=y
9
+
CONFIG_IKCONFIG_PROC=y
10
+
CONFIG_NAMESPACES=y
11
+
# CONFIG_UTS_NS is not set
12
+
# CONFIG_PID_NS is not set
13
+
CONFIG_BLK_DEV_INITRD=y
14
+
CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
15
+
CONFIG_EMBEDDED=y
16
+
CONFIG_PERF_EVENTS=y
17
+
# CONFIG_VM_EVENT_COUNTERS is not set
18
+
# CONFIG_COMPAT_BRK is not set
19
+
CONFIG_SLAB=y
20
+
CONFIG_KPROBES=y
21
+
CONFIG_MODULES=y
22
+
# CONFIG_LBDAF is not set
23
+
# CONFIG_BLK_DEV_BSG is not set
24
+
# CONFIG_IOSCHED_DEADLINE is not set
25
+
# CONFIG_IOSCHED_CFQ is not set
26
+
CONFIG_ARC_PLAT_SIM=y
27
+
CONFIG_ISA_ARCV2=y
28
+
CONFIG_SMP=y
29
+
CONFIG_ARC_BUILTIN_DTB_NAME="zebu_hs_idu"
30
+
CONFIG_PREEMPT=y
31
+
# CONFIG_COMPACTION is not set
32
+
CONFIG_NET=y
33
+
CONFIG_PACKET=y
34
+
CONFIG_PACKET_DIAG=y
35
+
CONFIG_UNIX=y
36
+
CONFIG_UNIX_DIAG=y
37
+
CONFIG_NET_KEY=y
38
+
CONFIG_INET=y
39
+
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
40
+
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
41
+
# CONFIG_INET_XFRM_MODE_BEET is not set
42
+
# CONFIG_IPV6 is not set
43
+
# CONFIG_WIRELESS is not set
44
+
CONFIG_DEVTMPFS=y
45
+
# CONFIG_STANDALONE is not set
46
+
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
47
+
# CONFIG_FIRMWARE_IN_KERNEL is not set
48
+
# CONFIG_BLK_DEV is not set
49
+
CONFIG_NETDEVICES=y
50
+
# CONFIG_NET_VENDOR_ARC is not set
51
+
# CONFIG_NET_VENDOR_BROADCOM is not set
52
+
# CONFIG_NET_VENDOR_INTEL is not set
53
+
# CONFIG_NET_VENDOR_MARVELL is not set
54
+
# CONFIG_NET_VENDOR_MICREL is not set
55
+
# CONFIG_NET_VENDOR_NATSEMI is not set
56
+
# CONFIG_NET_VENDOR_SEEQ is not set
57
+
# CONFIG_NET_VENDOR_STMICRO is not set
58
+
# CONFIG_NET_VENDOR_VIA is not set
59
+
# CONFIG_NET_VENDOR_WIZNET is not set
60
+
# CONFIG_WLAN is not set
61
+
CONFIG_INPUT_EVDEV=y
62
+
CONFIG_MOUSE_PS2_TOUCHKIT=y
63
+
# CONFIG_SERIO_SERPORT is not set
64
+
CONFIG_SERIO_ARC_PS2=y
65
+
# CONFIG_LEGACY_PTYS is not set
66
+
# CONFIG_DEVKMEM is not set
67
+
CONFIG_SERIAL_8250=y
68
+
CONFIG_SERIAL_8250_CONSOLE=y
69
+
CONFIG_SERIAL_8250_NR_UARTS=1
70
+
CONFIG_SERIAL_8250_RUNTIME_UARTS=1
71
+
CONFIG_SERIAL_8250_DW=y
72
+
CONFIG_SERIAL_OF_PLATFORM=y
73
+
# CONFIG_HW_RANDOM is not set
74
+
# CONFIG_HWMON is not set
75
+
CONFIG_FB=y
76
+
CONFIG_FRAMEBUFFER_CONSOLE=y
77
+
CONFIG_LOGO=y
78
+
# CONFIG_HID is not set
79
+
# CONFIG_USB_SUPPORT is not set
80
+
# CONFIG_IOMMU_SUPPORT is not set
81
+
CONFIG_EXT2_FS=y
82
+
CONFIG_EXT2_FS_XATTR=y
83
+
CONFIG_TMPFS=y
84
+
# CONFIG_MISC_FILESYSTEMS is not set
85
+
CONFIG_NFS_FS=y
86
+
# CONFIG_ENABLE_WARN_DEPRECATED is not set
87
+
# CONFIG_ENABLE_MUST_CHECK is not set
88
+
CONFIG_LOCKUP_DETECTOR=y
89
+
# CONFIG_DEBUG_PREEMPT is not set