mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/*
|
|
* NXP i.MX 8M Plus Evaluation Kit System Emulation
|
|
*
|
|
* Copyright (c) 2024, Bernhard Beschow <shentey@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "system/address-spaces.h"
|
|
#include "hw/arm/boot.h"
|
|
#include "hw/arm/fsl-imx8mp.h"
|
|
#include "hw/boards.h"
|
|
#include "hw/qdev-properties.h"
|
|
#include "system/qtest.h"
|
|
#include "qemu/error-report.h"
|
|
#include "qapi/error.h"
|
|
#include <libfdt.h>
|
|
|
|
static void imx8mp_evk_modify_dtb(const struct arm_boot_info *info, void *fdt)
|
|
{
|
|
int i, offset;
|
|
|
|
/* Temporarily disable following nodes until they are implemented */
|
|
const char *nodes_to_remove[] = {
|
|
"nxp,imx8mp-fspi",
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(nodes_to_remove); i++) {
|
|
const char *dev_str = nodes_to_remove[i];
|
|
|
|
offset = fdt_node_offset_by_compatible(fdt, -1, dev_str);
|
|
while (offset >= 0) {
|
|
fdt_nop_node(fdt, offset);
|
|
offset = fdt_node_offset_by_compatible(fdt, offset, dev_str);
|
|
}
|
|
}
|
|
|
|
/* Remove cpu-idle-states property from CPU nodes */
|
|
offset = fdt_node_offset_by_compatible(fdt, -1, "arm,cortex-a53");
|
|
while (offset >= 0) {
|
|
fdt_nop_property(fdt, offset, "cpu-idle-states");
|
|
offset = fdt_node_offset_by_compatible(fdt, offset, "arm,cortex-a53");
|
|
}
|
|
}
|
|
|
|
static void imx8mp_evk_init(MachineState *machine)
|
|
{
|
|
static struct arm_boot_info boot_info;
|
|
FslImx8mpState *s;
|
|
|
|
if (machine->ram_size > FSL_IMX8MP_RAM_SIZE_MAX) {
|
|
error_report("RAM size " RAM_ADDR_FMT " above max supported (%08" PRIx64 ")",
|
|
machine->ram_size, FSL_IMX8MP_RAM_SIZE_MAX);
|
|
exit(1);
|
|
}
|
|
|
|
boot_info = (struct arm_boot_info) {
|
|
.loader_start = FSL_IMX8MP_RAM_START,
|
|
.board_id = -1,
|
|
.ram_size = machine->ram_size,
|
|
.psci_conduit = QEMU_PSCI_CONDUIT_SMC,
|
|
.modify_dtb = imx8mp_evk_modify_dtb,
|
|
};
|
|
|
|
s = FSL_IMX8MP(object_new(TYPE_FSL_IMX8MP));
|
|
object_property_add_child(OBJECT(machine), "soc", OBJECT(s));
|
|
object_property_set_uint(OBJECT(s), "fec1-phy-num", 1, &error_fatal);
|
|
sysbus_realize_and_unref(SYS_BUS_DEVICE(s), &error_fatal);
|
|
|
|
memory_region_add_subregion(get_system_memory(), FSL_IMX8MP_RAM_START,
|
|
machine->ram);
|
|
|
|
for (int i = 0; i < FSL_IMX8MP_NUM_USDHCS; i++) {
|
|
BusState *bus;
|
|
DeviceState *carddev;
|
|
BlockBackend *blk;
|
|
DriveInfo *di = drive_get(IF_SD, i, 0);
|
|
|
|
if (!di) {
|
|
continue;
|
|
}
|
|
|
|
blk = blk_by_legacy_dinfo(di);
|
|
bus = qdev_get_child_bus(DEVICE(&s->usdhc[i]), "sd-bus");
|
|
carddev = qdev_new(TYPE_SD_CARD);
|
|
qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
|
|
qdev_realize_and_unref(carddev, bus, &error_fatal);
|
|
}
|
|
|
|
if (!qtest_enabled()) {
|
|
arm_load_kernel(&s->cpu[0], machine, &boot_info);
|
|
}
|
|
}
|
|
|
|
static void imx8mp_evk_machine_init(MachineClass *mc)
|
|
{
|
|
mc->desc = "NXP i.MX 8M Plus EVK Board";
|
|
mc->init = imx8mp_evk_init;
|
|
mc->max_cpus = FSL_IMX8MP_NUM_CPUS;
|
|
mc->default_ram_id = "imx8mp-evk.ram";
|
|
}
|
|
DEFINE_MACHINE("imx8mp-evk", imx8mp_evk_machine_init)
|