The AM642 EValuation Module (EVM) is a board that provides access to various peripherals available on the AM642 SoC, such as PCIe, USB 2.0, CPSW Ethernet, ADC, and more. Introduce basic support for the AM642 EVM to enable minimal ramdisk boot. Signed-off-by: Dave Gerlach <d-gerlach@xxxxxx> --- arch/arm64/boot/dts/ti/Makefile | 2 + arch/arm64/boot/dts/ti/k3-am642-evm.dts | 61 +++++++++++++++++++++++++ 2 files changed, 63 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am642-evm.dts diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 65506f21ba30..c687739e2bca 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -11,3 +11,5 @@ dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb dtb-$(CONFIG_ARCH_K3) += k3-j721e-common-proc-board.dtb dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb + +dtb-$(CONFIG_ARCH_K3) += k3-am642-evm.dtb diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts new file mode 100644 index 000000000000..8caa012382df --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; + +#include "k3-am642.dtsi" + +/ { + compatible = "ti,am642-evm", "ti,am642"; + model = "Texas Instruments AM642 EVM"; + + chosen { + stdout-path = "serial2:115200n8"; + bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; + }; + + memory@80000000 { + device_type = "memory"; + /* 2G RAM */ + reg = <0x00000000 0x80000000 0x00000000 0x80000000>; + + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + secure_ddr: optee@9e800000 { + reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */ + alignment = <0x1000>; + no-map; + }; + }; +}; + +&main_uart1 { + status = "disabled"; +}; + +&main_uart2 { + status = "disabled"; +}; + +&main_uart3 { + status = "disabled"; +}; + +&main_uart4 { + status = "disabled"; +}; + +&main_uart5 { + status = "disabled"; +}; + +&main_uart6 { + status = "disabled"; +}; -- 2.28.0
