From: Nick Hawkins <nick.hawkins@xxxxxxx> The HPE SoC is new to linux. This patch creates the basic device tree layout with minimum required for linux to boot. This includes timer and watchdog support. Signed-off-by: Nick Hawkins <nick.hawkins@xxxxxxx> --- arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/hpe-bmc-dl360gen10.dts | 27 +++++ arch/arm/boot/dts/hpe-gxp.dtsi | 148 +++++++++++++++++++++++ 3 files changed, 177 insertions(+) create mode 100644 arch/arm/boot/dts/hpe-bmc-dl360gen10.dts create mode 100644 arch/arm/boot/dts/hpe-gxp.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index e41eca79c950..2823b359d373 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1550,3 +1550,5 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-vegman-n110.dtb \ aspeed-bmc-vegman-rx20.dtb \ aspeed-bmc-vegman-sx20.dtb +dtb-$(CONFIG_ARCH_HPE_GXP) += \ + hpe-bmc-dl360gen10.dtb diff --git a/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts b/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts new file mode 100644 index 000000000000..da5eac1213a8 --- /dev/null +++ b/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree file for HPE DL360Gen10 + */ + +/include/ "hpe-gxp.dtsi" + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "hpe,gxp"; + model = "Hewlett Packard Enterprise ProLiant dl360 Gen10"; + + chosen { + bootargs = "earlyprintk console=ttyS2,115200"; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0x40000000 0x20000000>; + }; + + ahb { + + }; + +}; diff --git a/arch/arm/boot/dts/hpe-gxp.dtsi b/arch/arm/boot/dts/hpe-gxp.dtsi new file mode 100644 index 000000000000..dfaf8df829fe --- /dev/null +++ b/arch/arm/boot/dts/hpe-gxp.dtsi @@ -0,0 +1,148 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree file for HPE GXP + */ + +/dts-v1/; +/ { + model = "Hewlett Packard Enterprise GXP BMC"; + compatible = "hpe,gxp"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a9"; + device_type = "cpu"; + reg = <0>; + }; + }; + + gxp-init@cefe0010 { + compatible = "hpe,gxp-cpu-init"; + reg = <0xcefe0010 0x04>; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0x40000000 0x20000000>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + device_type = "soc"; + ranges; + + vic0: interrupt-controller@ceff0000 { + compatible = "arm,pl192-vic"; + interrupt-controller; + reg = <0xceff0000 0x1000>; + #interrupt-cells = <1>; + }; + + vic1: interrupt-controller@80f00000 { + compatible = "arm,pl192-vic"; + interrupt-controller; + reg = <0x80f00000 0x1000>; + #interrupt-cells = <1>; + }; + + timer0: timer@c0000080 { + compatible = "hpe,gxp-timer"; + reg = <0xc0000080 0x1>, <0xc0000094 0x01>, <0xc0000088 0x08>; + interrupts = <0>; + interrupt-parent = <&vic0>; + clock-frequency = <400000000>; + }; + + uarta: serial@c00000e0 { + compatible = "ns16550a"; + reg = <0xc00000e0 0x8>; + interrupts = <17>; + interrupt-parent = <&vic0>; + clock-frequency = <1846153>; + reg-shift = <0>; + }; + + uartb: serial@c00000e8 { + compatible = "ns16550a"; + reg = <0xc00000e8 0x8>; + interrupts = <18>; + interrupt-parent = <&vic0>; + clock-frequency = <1846153>; + reg-shift = <0>; + }; + + uartc: serial@c00000f0 { + compatible = "ns16550a"; + reg = <0xc00000f0 0x8>; + interrupts = <19>; + interrupt-parent = <&vic0>; + clock-frequency = <1846153>; + reg-shift = <0>; + }; + + usb0: usb@cefe0000 { + compatible = "generic-ehci"; + reg = <0xcefe0000 0x100>; + interrupts = <7>; + interrupt-parent = <&vic0>; + }; + + usb1: usb@cefe0100 { + compatible = "generic-ohci"; + reg = <0xcefe0100 0x110>; + interrupts = <6>; + interrupt-parent = <&vic0>; + }; + + vrom@58000000 { + compatible = "mtd-ram"; + bank-width = <4>; + reg = <0x58000000 0x4000000>; + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "vrom-prime"; + reg = <0x0 0x2000000>; + }; + partition@2000000 { + label = "vrom-second"; + reg = <0x2000000 0x2000000>; + }; + }; + + i2cg: syscon@c00000f8 { + compatible = "simple-mfd", "syscon"; + reg = <0xc00000f8 0x08>; + }; + }; + + clocks { + osc: osc { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-output-names = "osc"; + clock-frequency = <33333333>; + }; + + iopclk: iopclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-output-names = "iopclk"; + clock-frequency = <400000000>; + }; + + memclk: memclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-output-names = "memclk"; + clock-frequency = <800000000>; + }; + }; +}; -- 2.17.1