Add initial device tree and makefile updates for AMD Onyx platform. AMD Onyx platform is an AMD customer reference board with an Aspeed ast2600 BMC manufactured by AMD. It describes I2C devices, UARTs, MAC, FMC, etc. present on AMD Onyx platform. Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@xxxxxxx> Signed-off-by: Rajaganesh Rathinasabapathi <Rajaganesh.Rathinasabapathi@xxxxxxx> --- Changes since v1: * Incorporate review comments * Update commit message * Remove vmalloc and earlyprintk Changes since v2: * Address review comments * Fix checkpatch warnings * Remove bootargs --- arch/arm/boot/dts/aspeed/Makefile | 1 + .../boot/dts/aspeed/aspeed-bmc-amd-onyx.dts | 102 ++++++++++++++++++ 2 files changed, 103 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dts diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile index 2e5f4833a073..1e6a130377b8 100644 --- a/arch/arm/boot/dts/aspeed/Makefile +++ b/arch/arm/boot/dts/aspeed/Makefile @@ -5,6 +5,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-ast2600-evb.dtb \ aspeed-bmc-amd-daytonax.dtb \ aspeed-bmc-amd-ethanolx.dtb \ + aspeed-bmc-amd-onyx.dtb \ aspeed-bmc-ampere-mtjade.dtb \ aspeed-bmc-ampere-mtjefferson.dtb \ aspeed-bmc-ampere-mtmitchell.dtb \ diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dts new file mode 100644 index 000000000000..6f3334995398 --- /dev/null +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-amd-onyx.dts @@ -0,0 +1,102 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright (c) 2021 - 2024 AMD Inc. +// Author: Supreeth Venkatesh <supreeth.venkatesh@xxxxxxx> + +/dts-v1/; + +#include "aspeed-g6.dtsi" +#include <dt-bindings/gpio/aspeed-gpio.h> + +/ { + model = "AMD Onyx BMC"; + compatible = "amd,onyx-bmc", "aspeed,ast2600"; + + aliases { + serial0 = &uart1; + serial4 = &uart5; + }; + + chosen { + stdout-path = serial4:115200n8; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x80000000>; + }; + +}; + +&mdio0 { + status = "okay"; + ethphy0: ethernet-phy@0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0>; + }; +}; + +&mac3 { + status = "okay"; + phy-mode = "rgmii"; + phy-handle = <ðphy0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rgmii4_default>; +}; + +&fmc { + status = "okay"; + flash@0 { + compatible = "jedec,spi-nor"; + status = "okay"; + #include "openbmc-flash-layout-128.dtsi" + }; +}; + +//Host Console +&uart1 { + status = "okay"; +}; + +//BMC Console +&uart5 { + status = "okay"; +}; + +&gpio0 { +gpio-line-names = + /*A0-A7*/ "","","","","","","","", + /*B0-B7*/ "","","","","MON_POST_COMPLETE","P0_PRESENT_L","","", + /*C0-C7*/ "","","","","","","","", + /*D0-D7*/ "","","","","","","","", + /*E0-E7*/ "","","","","","","","", + /*F0-F7*/ "","","","","","","","", + /*G0-G7*/ "","","","","","","","", + /*H0-H7*/ "","ASSERT_WARM_RST_BTN_L","ASSERT_SOC_RST_BTN_L","","","","","", + /*I0-I7*/ "","","","","","","","P0_I3C_APML_ALERT_L", + /*J0-J7*/ "","","","","","","","", + /*K0-K7*/ "","","","","","","","", + /*L0-L7*/ "","","","","","","","", + /*M0-M7*/ "","","","","","","","", + /*N0-N7*/ "","","","","","","PSP_SOFT_FUSE_NOTIFY","ASSERT_BMC_READY", + /*O0-O7*/ "","","HDT_SEL","HDT_XTRIG5","HDT_XTRIG6","JTAG_TRST_N","","", + /*P0-P7*/ "MON_RST_BTN_L","ASSERT_RST_BTN_L","MON_PWR_BTN_L","ASSERT_PWR_BTN_L", + "HPM_FPGA_LOCKOUT","ASSERT_NMI_BTN_L","MON_PWR_GOOD","", + /*Q0-Q7*/ "","","HDT_DBREQ_L","","BIOS_SPD_MUX_CTRL_RELEASED_L","","","", + /*R0-R7*/ "","","","","","","","", + /*S0-S7*/ "","","","","","","P0_DIMM_AF_ERROR","P0_DIMM_GL_ERROR", + /*T0-T7*/ "","","","","","","","", + /*U0-U7*/ "","","","","","","","", + /*V0-V7*/ "","","","","","","","", + /*W0-W7*/ "","","","","","","","", + /*X0-X7*/ "","","","","","","","", + /*Y0-Y7*/ "","","","","","","","", + /*Z0-Z7*/ "","","","","","","",""; +}; + +&i2c7 { + status = "okay"; + mbeeprom@50 { + compatible = "atmel,24c256"; + reg = <0x50>; + }; +}; -- 2.34.1