diff mbox

[v4,2/5] ARM: NSP: add minimal Northstar Plus device tree

Message ID 1441064933-6723-1-git-send-email-jonmason@broadcom.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jon Mason Aug. 31, 2015, 11:48 p.m. UTC
Add a very minimalistic set of Northstar Plus Device Tree files which
describes the SoC and the BCM958625 implementation.  The perpherials
described are:

ARM Cortex A9 CPU
2 8250 UARTs
ARM GIC
PL310 L2 Cache
ARM A9 Global timer

Signed-off-by: Kapil Hali <kapilh@broadcom.com>
Signed-off-by: Jon Mason <jonmason@broadcom.com>
---
 arch/arm/boot/dts/Makefile       |   2 +
 arch/arm/boot/dts/bcm-nsp.dtsi   | 119 +++++++++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/bcm958625k.dts |  57 +++++++++++++++++++
 3 files changed, 178 insertions(+)
 create mode 100644 arch/arm/boot/dts/bcm-nsp.dtsi
 create mode 100644 arch/arm/boot/dts/bcm958625k.dts

Comments

Ray Jui Sept. 1, 2015, 3:28 p.m. UTC | #1
On 8/31/2015 4:48 PM, Jon Mason wrote:
> Add a very minimalistic set of Northstar Plus Device Tree files which
> describes the SoC and the BCM958625 implementation.  The perpherials
> described are:
> 
> ARM Cortex A9 CPU
> 2 8250 UARTs
> ARM GIC
> PL310 L2 Cache
> ARM A9 Global timer
> 
> Signed-off-by: Kapil Hali <kapilh@broadcom.com>
> Signed-off-by: Jon Mason <jonmason@broadcom.com>
> ---
>  arch/arm/boot/dts/Makefile       |   2 +
>  arch/arm/boot/dts/bcm-nsp.dtsi   | 119 +++++++++++++++++++++++++++++++++++++++
>  arch/arm/boot/dts/bcm958625k.dts |  57 +++++++++++++++++++
>  3 files changed, 178 insertions(+)
>  create mode 100644 arch/arm/boot/dts/bcm-nsp.dtsi
>  create mode 100644 arch/arm/boot/dts/bcm958625k.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 246473a..adb5732 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -82,6 +82,8 @@ dtb-$(CONFIG_ARCH_BCM_CYGNUS) += \
>  dtb-$(CONFIG_ARCH_BCM_MOBILE) += \
>  	bcm28155-ap.dtb \
>  	bcm21664-garnet.dtb
> +dtb-$(CONFIG_ARCH_BCM_NSP) += \
> +	bcm958625k.dtb
>  dtb-$(CONFIG_ARCH_BERLIN) += \
>  	berlin2-sony-nsz-gs7.dtb \
>  	berlin2cd-google-chromecast.dtb \
> diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
> new file mode 100644
> index 0000000..58aca27
> --- /dev/null
> +++ b/arch/arm/boot/dts/bcm-nsp.dtsi
> @@ -0,0 +1,119 @@
> +/*
> + *  BSD LICENSE
> + *
> + *  Copyright(c) 2015 Broadcom Corporation.  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 Broadcom Corporation 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.
> + */
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +#include "skeleton.dtsi"
> +
> +/ {
> +	compatible = "brcm,nsp";
> +	model = "Broadcom Northstar Plus SoC";
> +	interrupt-parent = <&gic>;
> +
> +	mpcore {
> +		compatible = "simple-bus";
> +		ranges = <0x00000000 0x19020000 0x00003000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +
> +		cpus {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			cpu@0 {
> +				device_type = "cpu";
> +				compatible = "arm,cortex-a9";
> +				next-level-cache = <&L2>;
> +				reg = <0x0>;
> +			};
> +		};
> +
> +		L2: l2-cache {
> +			compatible = "arm,pl310-cache";
> +			reg = <0x2000 0x1000>;
> +			cache-unified;
> +			cache-level = <2>;
> +		};
> +
> +		gic: interrupt-controller@19021000 {
> +			compatible = "arm,cortex-a9-gic";
> +			#interrupt-cells = <3>;
> +			#address-cells = <0>;
> +			interrupt-controller;
> +			reg = <0x1000 0x1000>,
> +			      <0x0100 0x100>;
> +		};
> +
> +		timer@19020200 {
> +			compatible = "arm,cortex-a9-global-timer";
> +			reg = <0x0200 0x100>;
> +			interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&periph_clk>;
> +		};
> +	};
> +
> +	clocks {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		periph_clk: periph_clk {
> +			compatible = "fixed-clock";
> +			#clock-cells = <0>;
> +			clock-frequency = <500000000>;
> +		};
> +	};
> +
> +	axi {
> +		compatible = "simple-bus";
> +		ranges = <0x00000000 0x18000000 0x00001000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +
> +		uart0: serial@18000300 {
> +			compatible = "ns16550a";
> +			reg = <0x0300 0x100>;
> +			interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
> +			clock-frequency = <62499840>;
> +			status = "disabled";
> +		};
> +
> +		uart1: serial@18000400 {
> +			compatible = "ns16550a";
> +			reg = <0x0400 0x100>;
> +			interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
> +			clock-frequency = <62499840>;
> +			status = "disabled";
> +		};
> +	};
> +};
> diff --git a/arch/arm/boot/dts/bcm958625k.dts b/arch/arm/boot/dts/bcm958625k.dts
> new file mode 100644
> index 0000000..16303db
> --- /dev/null
> +++ b/arch/arm/boot/dts/bcm958625k.dts
> @@ -0,0 +1,57 @@
> +/*
> + *  BSD LICENSE
> + *
> + *  Copyright(c) 2015 Broadcom Corporation.  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 Broadcom Corporation 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.
> + */
> +
> +/dts-v1/;
> +
> +#include "bcm-nsp.dtsi"
> +
> +/ {
> +	model = "NorthStar Plus SVK (BCM958625K)";
> +	compatible = "brcm,bcm58625", "brcm,nsp";
> +
> +	aliases {
> +		serial0 = &uart0;
> +		serial1 = &uart1;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +
> +&uart0 {
> +	status = "okay";
> +};
> +
> +&uart1 {
> +	status = "okay";
> +};
> 

Looks good to me!

Reviewed-by: Ray Jui <rjui@broadcom.com>

Thanks,

Ray
Florian Fainelli Sept. 2, 2015, 8:44 p.m. UTC | #2
On 31/08/15 16:48, Jon Mason wrote:
> Add a very minimalistic set of Northstar Plus Device Tree files which
> describes the SoC and the BCM958625 implementation.  The perpherials
> described are:
> 
> ARM Cortex A9 CPU
> 2 8250 UARTs
> ARM GIC
> PL310 L2 Cache
> ARM A9 Global timer
> 
> Signed-off-by: Kapil Hali <kapilh@broadcom.com>
> Signed-off-by: Jon Mason <jonmason@broadcom.com>

Applied this version to devicetree/next with Ray's tag, and consequently
dropped the previous version. Thanks!
diff mbox

Patch

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 246473a..adb5732 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -82,6 +82,8 @@  dtb-$(CONFIG_ARCH_BCM_CYGNUS) += \
 dtb-$(CONFIG_ARCH_BCM_MOBILE) += \
 	bcm28155-ap.dtb \
 	bcm21664-garnet.dtb
+dtb-$(CONFIG_ARCH_BCM_NSP) += \
+	bcm958625k.dtb
 dtb-$(CONFIG_ARCH_BERLIN) += \
 	berlin2-sony-nsz-gs7.dtb \
 	berlin2cd-google-chromecast.dtb \
diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
new file mode 100644
index 0000000..58aca27
--- /dev/null
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -0,0 +1,119 @@ 
+/*
+ *  BSD LICENSE
+ *
+ *  Copyright(c) 2015 Broadcom Corporation.  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 Broadcom Corporation 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.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#include "skeleton.dtsi"
+
+/ {
+	compatible = "brcm,nsp";
+	model = "Broadcom Northstar Plus SoC";
+	interrupt-parent = <&gic>;
+
+	mpcore {
+		compatible = "simple-bus";
+		ranges = <0x00000000 0x19020000 0x00003000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		cpus {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			cpu@0 {
+				device_type = "cpu";
+				compatible = "arm,cortex-a9";
+				next-level-cache = <&L2>;
+				reg = <0x0>;
+			};
+		};
+
+		L2: l2-cache {
+			compatible = "arm,pl310-cache";
+			reg = <0x2000 0x1000>;
+			cache-unified;
+			cache-level = <2>;
+		};
+
+		gic: interrupt-controller@19021000 {
+			compatible = "arm,cortex-a9-gic";
+			#interrupt-cells = <3>;
+			#address-cells = <0>;
+			interrupt-controller;
+			reg = <0x1000 0x1000>,
+			      <0x0100 0x100>;
+		};
+
+		timer@19020200 {
+			compatible = "arm,cortex-a9-global-timer";
+			reg = <0x0200 0x100>;
+			interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&periph_clk>;
+		};
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		periph_clk: periph_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <500000000>;
+		};
+	};
+
+	axi {
+		compatible = "simple-bus";
+		ranges = <0x00000000 0x18000000 0x00001000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		uart0: serial@18000300 {
+			compatible = "ns16550a";
+			reg = <0x0300 0x100>;
+			interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+			clock-frequency = <62499840>;
+			status = "disabled";
+		};
+
+		uart1: serial@18000400 {
+			compatible = "ns16550a";
+			reg = <0x0400 0x100>;
+			interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+			clock-frequency = <62499840>;
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/bcm958625k.dts b/arch/arm/boot/dts/bcm958625k.dts
new file mode 100644
index 0000000..16303db
--- /dev/null
+++ b/arch/arm/boot/dts/bcm958625k.dts
@@ -0,0 +1,57 @@ 
+/*
+ *  BSD LICENSE
+ *
+ *  Copyright(c) 2015 Broadcom Corporation.  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 Broadcom Corporation 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.
+ */
+
+/dts-v1/;
+
+#include "bcm-nsp.dtsi"
+
+/ {
+	model = "NorthStar Plus SVK (BCM958625K)";
+	compatible = "brcm,bcm58625", "brcm,nsp";
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};