From cbb61c1b75aefa334c1860246d69dcb315d412dc Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Tue, 17 Dec 2019 11:06:12 +0800 Subject: LF-496-4 arm64: dts: add i.MX8QXP inmate/root dts Add i.MX8QXP inmate/root dts. Use the following command to boot the 2nd linux, the lpuart2 is in base board. jailhouse cell linux imx8qxp-linux-demo.cell Image -d imx8qxp-mek-inmate.dtb -c "clk_ignore_unused console=ttyLP2,115200 earlycon=lpuart32,mmio32,0x5a060010,115200 cma=32MB root=/dev/mmcblk0p2 rootwait rw" Reviewed-by: Ye Li Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8qxp-mek-root.dts | 98 ++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8qxp-mek-root.dts (limited to 'arch/arm64/boot/dts/freescale/imx8qxp-mek-root.dts') diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek-root.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek-root.dts new file mode 100644 index 000000000000..5f4ee5adbec8 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek-root.dts @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright NXP 2019 + +#include "imx8qxp-mek-rpmsg.dts" + +/ { + domu { + /* + * There are 5 MUs, 0A is used by root cell, 1A is used + * by ATF, so for non-root cell, 2A/3A/4A could be used. + * SC_R_MU_0A + * SC_R_MU_1A + * SC_R_MU_2A + * SC_R_MU_3A + * SC_R_MU_4A + * The rsrcs and pads will be configured by uboot scu_rm cmd + */ + #address-cells = <1>; + #size-cells = <0>; + doma { + /* + * This is not for domu, this is just reuse + * the method for jailhouse inmate non root cell + * Linux. + */ + compatible = "xen,domu"; + /* + * The reg property will be updated by U-Boot to + * reflect the partition id. + */ + reg = <0>; + init_on_rsrcs = < + IMX_SC_R_MU_2A + >; + rsrcs = < + IMX_SC_R_SDHC_0 + IMX_SC_R_UART_2 + IMX_SC_R_MU_2A + >; + pads = < + /* emmc */ + IMX8QXP_EMMC0_CLK + IMX8QXP_EMMC0_CMD + IMX8QXP_EMMC0_DATA0 + IMX8QXP_EMMC0_DATA1 + IMX8QXP_EMMC0_DATA2 + IMX8QXP_EMMC0_DATA3 + IMX8QXP_EMMC0_DATA4 + IMX8QXP_EMMC0_DATA5 + IMX8QXP_EMMC0_DATA6 + IMX8QXP_EMMC0_DATA7 + IMX8QXP_EMMC0_STROBE + /* lpuart2 */ + IMX8QXP_UART2_TX + IMX8QXP_UART2_RX + >; + }; + }; + +}; + +&{/reserved-memory} { + + jh_reserved: jh@fdc00000 { + no-map; + reg = <0x0 0xfdc00000 0x0 0x400000>; + }; + + loader_reserved: loader@fdb00000 { + no-map; + reg = <0x0 0xfdb00000 0x0 0x00100000>; + }; + + ivshmem_reserved: ivshmem@fd900000 { + no-map; + reg = <0x0 0xfd900000 0x0 0x00200000>; + }; + + pci_reserved: pci@fd700000 { + no-map; + reg = <0x0 0xfd700000 0x0 0x00200000>; + }; + + /* Decrease if no need such big memory */ + inmate_reserved: inmate@df7000000 { + no-map; + reg = <0x0 0xdf700000 0x0 0x1e000000>; + }; +}; + +&usdhc1 { + /delete-property/ compatible; +}; + +&lpuart2 { + /* Let inmate linux use this for console */ + status = "disabled"; +}; -- cgit v1.2.3