f32085fc0b
Airoha is a new ARM platform based on Cortex-A53 which has recently been merged into linux-next. Due to BootROM limitations on this platform, the Cortex-A53 can't run in Aarch64 mode and code must be compiled for 32-Bit ARM. This support is based mostly on those linux-next commits backported for kernel 5.15. Patches: 1 - platform support = linux-next 2 - clock driver = linux-next 3 - gpio driver = linux-next 4 - linux,usable-memory-range dts support = linux-next 5 - mtd spinand driver 6 - spi driver 7 - pci driver (kconfig only, uses mediatek PCI) = linux-next Still missing: - Ethernet driver - Sysupgrade support A.t.m there exists one subtarget EN7523 with only one evaluation board. The initramfs can be run with the following commands from u-boot: - u-boot> setenv bootfile \ openwrt-airoha-airoha_en7523-evb-initramfs-kernel.bin u-boot> tftpboot u-boot> bootm 0x81800000 - Signed-off-by: Daniel Danzberger <daniel@dd-wrt.com>
74 lines
1.1 KiB
Plaintext
74 lines
1.1 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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/dts-v1/;
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/* Bootloader installs ATF here */
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/memreserve/ 0x80000000 0x200000;
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#include "en7523.dtsi"
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/ {
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model = "Airoha EN7523 Evaluation Board";
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compatible = "airoha,en7523-evb", "airoha,en7523";
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aliases {
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serial0 = &uart1;
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};
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chosen {
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bootargs = "console=ttyS0,115200 earlycon";
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stdout-path = "serial0:115200n8";
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linux,usable-memory-range = <0x80200000 0x1fe00000>;
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};
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memory@80000000 {
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device_type = "memory";
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reg = <0x80000000 0x20000000>;
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};
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};
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&gpio0 {
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status = "okay";
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};
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&gpio1 {
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status = "okay";
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};
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&pcie0 {
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status = "okay";
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};
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&pcie1 {
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status = "okay";
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};
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&nand {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x0 0x7C000>;
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read-only;
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};
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partition@1 {
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label = "u-boot-env";
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reg = <0x7C000 0x4000>;
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};
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partition@2 {
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label = "art";
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reg = <0x80000 0x40000>;
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read-only;
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};
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partition@3 {
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label = "firmware";
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reg = <0xC0000 0xDF40000>;
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};
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};
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};
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