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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2020 Pengutronix e.K.
*
*/
#include <common.h>
#include <init.h>
#include <of.h>
#include <asm/system_info.h>
#include <asm/barebox-arm.h>
#ifdef CONFIG_64BIT
#define MACHINE "virt64"
#else
#define MACHINE "virt"
#endif
extern char __dtb_overlay_of_flash_start[];
static int replace_dtb(void) {
struct device_node *overlay;
void *fdt;
struct device_node *root;
fdt = barebox_arm_boot_dtb();
if (fdt)
pr_debug("using boarddata provided DTB\n");
if (!fdt) {
pr_debug("No DTB found\n");
return 0;
}
root = of_unflatten_dtb(fdt, INT_MAX);
if (!of_device_is_compatible(root, "linux,dummy-virt")) {
of_delete_node(root);
return 0;
}
overlay = of_unflatten_dtb(__dtb_overlay_of_flash_start, INT_MAX);
of_overlay_apply_tree(root, overlay);
return barebox_register_of(root);
}
pure_initcall(replace_dtb);
static int virt_probe(struct device_d *dev)
{
const char *hostname = MACHINE;
if (cpu_is_cortex_a7())
hostname = "virt-a7";
else if (cpu_is_cortex_a15())
hostname = "virt-a15";
barebox_set_model("ARM QEMU " MACHINE);
barebox_set_hostname(hostname);
return 0;
}
static const struct of_device_id virt_of_match[] = {
{ .compatible = "linux,dummy-virt" },
{ /* Sentinel */},
};
static struct driver_d virt_board_driver = {
.name = "board-qemu-virt",
.probe = virt_probe,
.of_compatible = virt_of_match,
};
postcore_platform_driver(virt_board_driver);
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