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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-02-25 GuEe-GUI the first version
*/
#include <dt-bindings/size.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#define MEMORY_BASE 0x48000000
#define MEMORY_SIZE (130 * SIZE_MB)
#define AMP_MEMORY_BASE 0x200000
#define AMP_MEMORY_SIZE (128 * SIZE_MB)
/*
* RUN COMMAND: ./qemu.py -dtbo amp.dtsi -mem 300
* REMOTE: telnet localhost 4323
*/
/ {
#address-cells = <2>;
#size-cells = <2>;
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 MEMORY_BASE 0x0 MEMORY_SIZE>;
pic_mailbox@1ffe00 {
reg = <0x0 0x1ffe00 0x0 0x200>;
};
virtio_sram: virtio_sram@0 {
reg = <0x0 0x0 0x0 0x1ffe00>;
};
amp_memory: amp_memory@200000 {
reg = <0x0 AMP_MEMORY_BASE 0x0 AMP_MEMORY_SIZE>;
};
};
soc {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 MEMORY_BASE 0x0 MEMORY_SIZE>;
pic_mailbox0: pic_mailbox@1ffe00 {
compatible = "rt-thread,pic-mailbox";
reg = <0x0 0x1ffe00 0x0 0x200>;
position = <0>;
interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
peer-interrupts = <(32 + 10)>;
uid = <0>;
#mbox-cells = <1>;
};
virtio_rpmsg {
compatible = "rt-thread,virtio-rpmsg";
shmem = <&virtio_sram>;
mboxes = <&pic_mailbox0 0>;
queue-max = <64>;
master;
};
};
#ifndef AMP_SLAVE
/delete-node/ pl011@9040000;
aliases {
/delete-property/ serial1;
};
#endif
amp_soc {
/* DO NOT set a 'compatible' property on this node */
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 MEMORY_BASE 0x0 MEMORY_SIZE>;
memory-region = <&_memory>;
dtb-entry = <0x48200000>;
kernel-entry = <0x48480000>;
pic_mailbox1: pic_mailbox@1ffe00 {
compatible = "rt-thread,pic-mailbox";
reg = <0x0 0x1ffe00 0x0 0x200>;
position = <1>;
interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
peer-interrupts = <(32 + 9)>;
uid = <1>;
#mbox-cells = <1>;
};
virtio_rpmsg {
compatible = "rt-thread,virtio-rpmsg";
shmem = <&virtio_sram>;
mboxes = <&pic_mailbox1 0>;
queue-max = <64>;
slave;
};
};
};
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