From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liviu.Dudau@arm.com (Liviu Dudau) Date: Wed, 10 Jun 2015 09:58:25 +0100 Subject: [PATCH] arm64: dts: add device tree for ARM SMM-A53x2 on LogicTile Express 20MG In-Reply-To: <1433864311-2326-1-git-send-email-kristina.martsenko@arm.com> References: <1433864311-2326-1-git-send-email-kristina.martsenko@arm.com> Message-ID: <20150610085825.GS12807@e106497-lin.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Kristina, On Tue, Jun 09, 2015 at 04:38:31PM +0100, Kristina Martsenko wrote: > Add a DTS file for the MP2 Cortex-A53 Soft Macrocell Model implemented > on a LogicTile Express 20MG (V2F-1XV7) daughterboard. This is based on > the version that's currently available from the ARM DTS repository [1]. > > [1] git://linux-arm.org/arm-dts.git I thought the plan was to keep new DTs in this repository, not to add them into the kernel. Has this changed? > > Signed-off-by: Kristina Martsenko > --- > MAINTAINERS | 1 + > arch/arm64/boot/dts/arm/Makefile | 1 + > .../boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts | 196 +++++++++++++++++++++ > 3 files changed, 198 insertions(+) > create mode 100644 arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts > > diff --git a/MAINTAINERS b/MAINTAINERS > index 9180f46..1fb07e0 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1613,6 +1613,7 @@ M: Lorenzo Pieralisi > L: linux-arm-kernel at lists.infradead.org (moderated for non-subscribers) > S: Maintained > F: arch/arm/boot/dts/vexpress* > +F: arch/arm64/boot/dts/arm/vexpress* > F: arch/arm/mach-vexpress/ > F: */*/vexpress* > F: */*/*/vexpress* You might want to Cc Lorenzo on this patch if you add him as maintainer :) > diff --git a/arch/arm64/boot/dts/arm/Makefile b/arch/arm64/boot/dts/arm/Makefile > index c5c98b9..bb3c072 100644 > --- a/arch/arm64/boot/dts/arm/Makefile > +++ b/arch/arm64/boot/dts/arm/Makefile > @@ -1,6 +1,7 @@ > dtb-$(CONFIG_ARCH_VEXPRESS) += foundation-v8.dtb > dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb > dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb > +dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2f-1xv7-ca53x2.dtb > > always := $(dtb-y) > subdir-y := $(dts-dirs) > diff --git a/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts > new file mode 100644 > index 0000000..bbe28aa > --- /dev/null > +++ b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts > @@ -0,0 +1,196 @@ > +/* > + * ARM Ltd. Versatile Express > + * > + * LogicTile Express 20MG > + * V2F-1XV7 > + * > + * Cortex-A53 (2 cores) Soft Macrocell Model > + * > + * HBI-0247C > + */ > + > +/dts-v1/; > + > +/* In use by spinning secondaries */ > +/memreserve/ 0x80000000 0x00010000; Where does the kernel get loaded to? If 0x80000000 is the start of memory and the kernel is loaded at 0x80000 offset as usual, then that memory is protected anyway. > + > +#include > + > +/ { > + model = "V2F-1XV7 Cortex-A53x2 SMM"; > + arm,hbi = <0x247>; > + arm,vexpress,site = <0xf>; > + compatible = "arm,vexpress,v2f-1xv7,ca53x2", "arm,vexpress,v2f-1xv7", "arm,vexpress"; > + interrupt-parent = <&gic>; > + #address-cells = <2>; > + #size-cells = <2>; > + > + chosen { > + stdout-path = "serial0:38400n8"; > + }; > + > + aliases { > + serial0 = &v2m_serial0; > + serial1 = &v2m_serial1; > + serial2 = &v2m_serial2; > + serial3 = &v2m_serial3; > + i2c0 = &v2m_i2c_dvi; > + i2c1 = &v2m_i2c_pcie; > + }; > + > + cpus { > + #address-cells = <2>; > + #size-cells = <0>; > + > + cpu at 0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53", "arm,armv8"; > + reg = <0 0>; > + next-level-cache = <&L2_0>; > + }; > + > + cpu at 1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53", "arm,armv8"; > + reg = <0 1>; > + enable-method = "spin-table"; > + cpu-release-addr = <0x0 0x8000fff8>; > + next-level-cache = <&L2_0>; > + }; > + > + L2_0: l2-cache0 { > + compatible = "cache"; > + }; > + }; > + > + memory at 80000000 { > + device_type = "memory"; > + reg = <0 0x80000000 0 0x80000000>; /* 2GB @ 2GB */ > + }; > + > + gic: interrupt-controller at 2c001000 { > + compatible = "arm,gic-400"; > + #interrupt-cells = <3>; > + #address-cells = <0>; > + interrupt-controller; > + reg = <0 0x2c001000 0 0x1000>, > + <0 0x2c002000 0 0x2000>, > + <0 0x2c004000 0 0x2000>, > + <0 0x2c006000 0 0x2000>; > + interrupts = ; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupts = , > + , > + , > + ; > + }; > + > + pmu { > + compatible = "arm,armv8-pmuv3"; > + interrupts = , > + ; > + }; > + > + dcc { > + compatible = "arm,vexpress,config-bus"; > + arm,vexpress,config-bridge = <&v2m_sysreg>; > + > + smbclk: osc at 4 { > + /* SMC clock */ > + compatible = "arm,vexpress-osc"; > + arm,vexpress-sysreg,func = <1 4>; > + freq-range = <40000000 40000000>; > + #clock-cells = <0>; > + clock-output-names = "smclk"; > + }; > + > + volt at 0 { > + /* VIO to expansion board above */ > + compatible = "arm,vexpress-volt"; > + arm,vexpress-sysreg,func = <2 0>; > + regulator-name = "VIO_UP"; > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <1800000>; > + regulator-always-on; > + }; > + > + volt at 1 { > + /* 12V from power connector J6 */ > + compatible = "arm,vexpress-volt"; > + arm,vexpress-sysreg,func = <2 1>; > + regulator-name = "12"; > + regulator-always-on; > + }; > + > + temp at 0 { > + /* FPGA temperature */ > + compatible = "arm,vexpress-temp"; > + arm,vexpress-sysreg,func = <4 0>; > + label = "FPGA"; > + }; > + }; > + > + smb { > + compatible = "simple-bus"; > + > + #address-cells = <2>; > + #size-cells = <1>; > + ranges = <0 0 0 0x08000000 0x04000000>, > + <1 0 0 0x14000000 0x04000000>, > + <2 0 0 0x18000000 0x04000000>, > + <3 0 0 0x1c000000 0x04000000>, > + <4 0 0 0x0c000000 0x04000000>, > + <5 0 0 0x10000000 0x04000000>; > + > + #interrupt-cells = <1>; > + interrupt-map-mask = <0 0 63>; > + interrupt-map = <0 0 0 &gic GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 1 &gic GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 2 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 3 &gic GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 4 &gic GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 5 &gic GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 6 &gic GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 7 &gic GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 8 &gic GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 9 &gic GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 10 &gic GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 11 &gic GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 12 &gic GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 13 &gic GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 14 &gic GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 15 &gic GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 16 &gic GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 17 &gic GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 18 &gic GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 19 &gic GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 20 &gic GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 21 &gic GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 22 &gic GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 23 &gic GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 24 &gic GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 25 &gic GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 26 &gic GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 27 &gic GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 28 &gic GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 29 &gic GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 30 &gic GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 31 &gic GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 32 &gic GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 33 &gic GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 34 &gic GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 35 &gic GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 36 &gic GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 37 &gic GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 38 &gic GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 39 &gic GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 40 &gic GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 41 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 42 &gic GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; > + > + /include/ "../../../../arm/boot/dts/vexpress-v2m-rs1.dtsi" Patch looks OK to me even if I'm not too keen on including DTSi files from a "different" arch directory. Best regards, Liviu > + }; > +}; > -- > 2.1.4 > -- ==================== | I would like to | | fix the world, | | but they're not | | giving me the | \ source code! / --------------- ?\_(?)_/?