diff options
| -rw-r--r-- | Documentation/devicetree/bindings/arm/arm-boards | 65 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/gic.txt | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/arm-realview-pb1176.dts | 247 |
4 files changed, 314 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/arm-boards b/Documentation/devicetree/bindings/arm/arm-boards index c554ed3d44f..556c8665fdb 100644 --- a/Documentation/devicetree/bindings/arm/arm-boards +++ b/Documentation/devicetree/bindings/arm/arm-boards @@ -92,3 +92,68 @@ Required nodes: - core-module: the root node to the Versatile platforms must have a core-module with regs and the compatible strings "arm,core-module-versatile", "syscon" + +ARM RealView Boards +------------------- +The RealView boards cover tailored evaluation boards that are used to explore +the ARM11 and Cortex A-8 and Cortex A-9 processors. + +Required properties (in root node): + /* RealView Emulation Baseboard */ + compatible = "arm,realview-eb"; + /* RealView Platform Baseboard for ARM1176JZF-S */ + compatible = "arm,realview-pb1176"; + /* RealView Platform Baseboard for ARM11 MPCore */ + compatible = "arm,realview-pb11mp"; + /* RealView Platform Baseboard for Cortex A-8 */ + compatible = "arm,realview-pba8"; + /* RealView Platform Baseboard Explore for Cortex A-9 */ + compatible = "arm,realview-pbx"; + +Required nodes: + +- soc: some node of the RealView platforms must be the SoC + node that contain the SoC-specific devices, withe the compatible + string set to one of these tuples: + "arm,realview-eb-soc", "simple-bus" + "arm,realview-pb1176-soc", "simple-bus" + "arm,realview-pb11mp-soc", "simple-bus" + "arm,realview-pba8-soc", "simple-bus" + "arm,realview-pbx-soc", "simple-bus" + +- syscon: some subnode of the RealView SoC node must be a + system controller node pointing to the control registers, + with the compatible string set to one of these tuples: + "arm,realview-eb-syscon", "syscon" + "arm,realview-pb1176-syscon", "syscon" + "arm,realview-pb11mp-syscon", "syscon" + "arm,realview-pba8-syscon", "syscon" + "arm,realview-pbx-syscon", "syscon" + + Required properties for the system controller: + - regs: the location and size of the system controller registers, + one range of 0x1000 bytes. + +Example: + +/dts-v1/; +#include <dt-bindings/interrupt-controller/irq.h> +#include "skeleton.dtsi" + +/ { + model = "ARM RealView PB1176 with device tree"; + compatible = "arm,realview-pb1176"; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "arm,realview-pb1176-soc", "simple-bus"; + ranges; + + syscon: syscon@10000000 { + compatible = "arm,realview-syscon", "syscon"; + reg = <0x10000000 0x1000>; + }; + + }; +}; diff --git a/Documentation/devicetree/bindings/arm/gic.txt b/Documentation/devicetree/bindings/arm/gic.txt index c7d2fa15667..b38608af66d 100644 --- a/Documentation/devicetree/bindings/arm/gic.txt +++ b/Documentation/devicetree/bindings/arm/gic.txt @@ -17,6 +17,7 @@ Main node required properties: "arm,cortex-a7-gic" "arm,arm11mp-gic" "brcm,brahma-b15-gic" + "arm,arm1176jzf-devchip-gic" - interrupt-controller : Identifies the node as an interrupt controller - #interrupt-cells : Specifies the number of cells needed to encode an interrupt source. The type shall be a <u32> and the value shall be 3. diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 38c89cafa1a..ab4435a59cd 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -363,6 +363,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \ qcom-msm8660-surf.dtb \ qcom-msm8960-cdp.dtb \ qcom-msm8974-sony-xperia-honami.dtb +dtb-$(CONFIG_ARCH_REALVIEW) += arm-realview-pb1176.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += \ rk3066a-bqcurie2.dtb \ rk3188-radxarock.dtb \ diff --git a/arch/arm/boot/dts/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm-realview-pb1176.dts new file mode 100644 index 00000000000..3135939cd13 --- /dev/null +++ b/arch/arm/boot/dts/arm-realview-pb1176.dts @@ -0,0 +1,247 @@ +/* + * Copyright 2014 Linaro Ltd + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +/dts-v1/; +#include <dt-bindings/interrupt-controller/irq.h> +#include "skeleton.dtsi" + +/ { + model = "ARM RealView PB1176"; + compatible = "arm,realview-pb1176"; + + chosen { }; + + aliases { + serial0 = &pb1176_serial0; + serial1 = &pb1176_serial1; + serial2 = &pb1176_serial2; + serial3 = &pb1176_serial3; + }; + + memory { + /* 128 MiB memory @ 0x0 */ + reg = <0x00000000 0x08000000>; + }; + + xtal24mhz: xtal24mhz@24M { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24000000>; + }; + + timclk: timclk@1M { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clock-div = <24>; + clock-mult = <1>; + clocks = <&xtal24mhz>; + }; + + uartclk: uartclk@24M { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clock-div = <1>; + clock-mult = <1>; + clocks = <&xtal24mhz>; + }; + + /* FIXME: this actually hangs off the PLL clocks */ + pclk: pclk@0 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <0>; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "arm,realview-pb1176-soc", "simple-bus"; + regmap = <&syscon>; + ranges; + + syscon: syscon@10000000 { + compatible = "arm,realview-pb1176-syscon", "syscon"; + reg = <0x10000000 0x1000>; + + led@08.0 { + compatible = "register-bit-led"; + offset = <0x08>; + mask = <0x01>; + label = "versatile:0"; + linux,default-trigger = "heartbeat"; + default-state = "on"; + }; + led@08.1 { + compatible = "register-bit-led"; + offset = <0x08>; + mask = <0x02>; + label = "versatile:1"; + linux,default-trigger = "mmc0"; + default-state = "off"; + }; + led@08.2 { + compatible = "register-bit-led"; + offset = <0x08>; + mask = <0x04>; + label = "versatile:2"; + linux,default-trigger = "cpu0"; + default-state = "off"; + }; + led@08.3 { + compatible = "register-bit-led"; + offset = <0x08>; + mask = <0x08>; + label = "versatile:3"; + default-state = "off"; + }; + led@08.4 { + compatible = "register-bit-led"; + offset = <0x08>; + mask = <0x10>; + label = "versatile:4"; + default-state = "off"; + }; + led@08.5 { + compatible = "register-bit-led"; + offset = <0x08>; + mask = <0x20>; + label = "versatile:5"; + default-state = "off"; + }; + led@08.6 { + compatible = "register-bit-led"; + offset = <0x08>; + mask = <0x40>; + label = "versatile:6"; + default-state = "off"; + }; + led@08.7 { + compatible = "register-bit-led"; + offset = <0x08>; + mask = <0x80>; + label = "versatile:7"; + default-state = "off"; + }; + }; + + /* Primary DevChip GIC synthesized with the CPU */ + intc_dc1176: interrupt-controller@10120000 { + compatible = "arm,arm1176jzf-devchip-gic", "arm,arm11mp-gic"; + #interrupt-cells = <3>; + #address-cells = <1>; + interrupt-controller; + reg = <0x10121000 0x1000>, + <0x10120000 0x100>; + }; + + /* This GIC on the board is cascaded off the DevChip GIC */ + intc_pb1176: interrupt-controller@10040000 { + compatible = "arm,arm1176jzf-devchip-gic", "arm,arm11mp-gic"; + #interrupt-cells = <3>; + #address-cells = <1>; + interrupt-controller; + reg = <0x10041000 0x1000>, + <0x10040000 0x100>; + interrupt-parent = <&intc_dc1176>; + interrupts = <0 31 IRQ_TYPE_LEVEL_HIGH>; + }; + + L2: l2-cache { + compatible = "arm,l220-cache"; + reg = <0x10110000 0x1000>; + interrupt-parent = <&intc_dc1176>; + interrupts = <0 13 IRQ_TYPE_LEVEL_HIGH>; + cache-unified; + cache-level = <2>; + /* + * Override default cache size, sets and + * associativity as these may be erroneously set + * up by boot loader(s). + */ + arm,override-auxreg; + cache-size = <131072>; // 128kB + cache-sets = <512>; + cache-line-size = <32>; + }; + + pmu { + compatible = "arm,arm1176-pmu"; + interrupt-parent = <&intc_dc1176>; + interrupts = <0 7 IRQ_TYPE_LEVEL_HIGH>; + }; + + timer01: timer@10104000 { + compatible = "arm,sp804", "arm,primecell"; + reg = <0x10104000 0x1000>; + interrupt-parent = <&intc_dc1176>; + interrupts = <0 8 IRQ_TYPE_LEVEL_HIGH>, <0 9 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&timclk>, <&timclk>, <&pclk>; + clock-names = "timer1", "timer2", "apb_pclk"; + }; + + timer23: timer@10105000 { + compatible = "arm,sp804", "arm,primecell"; + reg = <0x10105000 0x1000>; + interrupt-parent = <&intc_dc1176>; + interrupts = <0 10 IRQ_TYPE_LEVEL_HIGH>; + arm,sp804-has-irq = <1>; + clocks = <&timclk>, <&timclk>, <&pclk>; + clock-names = "timer1", "timer2", "apb_pclk"; + }; + + pb1176_serial0: serial@1010c000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x1010c000 0x1000>; + interrupt-parent = <&intc_dc1176>; + interrupts = <0 18 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&uartclk>, <&pclk>; + clock-names = "uartclk", "apb_pclk"; + }; + + pb1176_serial1: serial@1010d000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x1010d000 0x1000>; + interrupt-parent = <&intc_dc1176>; + interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&uartclk>, <&pclk>; + clock-names = "uartclk", "apb_pclk"; + }; + + pb1176_serial2: serial@1010e000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x1010e000 0x1000>; + interrupt-parent = <&intc_dc1176>; + interrupts = <0 20 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&uartclk>, <&pclk>; + clock-names = "uartclk", "apb_pclk"; + }; + + pb1176_serial3: serial@1010f000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x1010f000 0x1000>; + interrupt-parent = <&intc_dc1176>; + interrupts = <0 21 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&uartclk>, <&pclk>; + clock-names = "uartclk", "apb_pclk"; + }; + }; +}; |