diff options
Diffstat (limited to 'system/arm')
| -rw-r--r-- | system/arm/dt/Makefile | 10 | ||||
| -rw-r--r-- | system/arm/dt/armv8_big_little.dts | 147 |
2 files changed, 155 insertions, 2 deletions
diff --git a/system/arm/dt/Makefile b/system/arm/dt/Makefile index 425230868..62cf65f27 100644 --- a/system/arm/dt/Makefile +++ b/system/arm/dt/Makefile @@ -1,4 +1,4 @@ -# Copyright (c) 2015 ARM Limited +# Copyright (c) 2015-2016 ARM Limited # All rights reserved. # # Redistribution and use in source and binary forms, with or without @@ -37,7 +37,9 @@ TARGETS=\ armv7_gem5_v1_16cpu.dtb \ armv8_gem5_v1_1cpu.dtb armv8_gem5_v1_2cpu.dtb \ armv8_gem5_v1_4cpu.dtb armv8_gem5_v1_8cpu.dtb \ - armv8_gem5_v1_16cpu.dtb + armv8_gem5_v1_16cpu.dtb \ + armv8_gem5_v1_big_little_2_2.dtb \ + armv8_gem5_v1_big_little_2_4.dtb GEN_DTS=mkdir -p .gen; \ $(CPP) -x assembler-with-cpp \ @@ -54,6 +56,10 @@ all: $(TARGETS) .gen/armv8_gem5_v1_%cpu.dts: armv8.dts platforms/vexpress_gem5_v1.dtsi $(call GEN_DTS,vexpress_gem5_v1.dtsi,$*) +.gen/armv8_gem5_v1_big_little%.dts: armv8_big_little.dts \ + platforms/vexpress_gem5_v1.dtsi + $(call GEN_DTS,vexpress_gem5_v1.dtsi,$*) + %.dtb: .gen/%.dts $(DTC) -I dts -O dtb -o $@ $< diff --git a/system/arm/dt/armv8_big_little.dts b/system/arm/dt/armv8_big_little.dts new file mode 100644 index 000000000..70049bbc3 --- /dev/null +++ b/system/arm/dt/armv8_big_little.dts @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2015-2016 ARM Limited + * All rights reserved + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Andreas Sandberg + * Gabor Dozsa + */ + +/dts-v1/; + +/memreserve/ 0x80000000 0x00010000; + +#include CONF_PLATFORM + +/* Assign a unique ID for pre-defined configurations. The selected + * configuration is picked up from CONF_CPUS +*/ +// 2 big and 2 little cpus +#define _2_2 1 +// 2 big and 4 little cpus +#define _2_4 2 + +#define CPU(n,id) \ + CPU ## n: cpu@ ## id { \ + device_type = "cpu"; \ + compatible = "gem5,armv8", "arm,armv8"; \ + reg = < ## id >; \ + enable-method = "spin-table"; \ + cpu-release-addr = <0 0x8000fff8>; \ + }; + + +/ { + model = "V2P-AARCH64"; + compatible = "arm,vexpress,v2p-aarch64", "arm,vexpress"; + + memory@80000000 { + device_type = "memory"; + reg = <0 0x80000000 0x4 0x00000000>; + }; + + + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + #if CONF_CPUS == _2_2 + CPU(0,0x0) + CPU(1,0x1) + CPU(2,0x102) + CPU(3,0x103) + cpu-map { + cluster0 { + core0 { cpu = <&CPU0>; }; + core1 { cpu = <&CPU1>; }; + }; + cluster1 { + core0 { cpu = <&CPU2>; }; + core1 { cpu = <&CPU3>; }; + }; + }; + #elif CONF_CPUS == _2_4 + CPU(0,0x0) + CPU(1,0x1) + CPU(2,0x102) + CPU(3,0x103) + CPU(4,0x104) + CPU(5,0x105) + cpu-map { + cluster0 { + core0 { cpu = <&CPU0>; }; + core1 { cpu = <&CPU1>; }; + }; + cluster1 { + core0 { cpu = <&CPU2>; }; + core1 { cpu = <&CPU3>; }; + core2 { cpu = <&CPU4>; }; + core3 { cpu = <&CPU5>; }; + }; + }; + #else + #error Missing configuration section + #endif + }; + + virt-encoder { + compatible = "drm,virtual-encoder"; + port { + hdlcd0_virt_input: endpoint@0 { + remote-endpoint = <&hdlcd0_output>; + }; + }; + + display-timings { + native-mode = <&timing0>; + + timing0: timing_1080p60 { + /* 1920x1080-60 */ + clock-frequency = <148500000>; + hactive = <1920>; + vactive = <1080>; + hfront-porch = <148>; + hback-porch = <88>; + hsync-len = <44>; + vfront-porch = <36>; + vback-porch = <4>; + vsync-len = <5>; + }; + }; + }; +}; + +&hdlcd0 { + status = "ok"; + + port { + hdlcd0_output: endpoint@0 { + remote-endpoint = <&hdlcd0_virt_input>; + }; + }; +}; + + |