xref: /openbmc/qemu/hw/arm/max78000fthr.c (revision 51eb283dd0e29f29adf1943c063614156ca7cbd7) 
1*51eb283dSJackson Donaldson /*
2*51eb283dSJackson Donaldson  * MAX78000FTHR Evaluation Board
3*51eb283dSJackson Donaldson  *
4*51eb283dSJackson Donaldson  * Copyright (c) 2025 Jackson Donaldson <jcksn@duck.com>
5*51eb283dSJackson Donaldson  *
6*51eb283dSJackson Donaldson  * SPDX-License-Identifier: GPL-2.0-or-later
7*51eb283dSJackson Donaldson  */
8*51eb283dSJackson Donaldson 
9*51eb283dSJackson Donaldson #include "qemu/osdep.h"
10*51eb283dSJackson Donaldson #include "qapi/error.h"
11*51eb283dSJackson Donaldson #include "hw/boards.h"
12*51eb283dSJackson Donaldson #include "hw/qdev-properties.h"
13*51eb283dSJackson Donaldson #include "hw/qdev-clock.h"
14*51eb283dSJackson Donaldson #include "qemu/error-report.h"
15*51eb283dSJackson Donaldson #include "hw/arm/max78000_soc.h"
16*51eb283dSJackson Donaldson #include "hw/arm/boot.h"
17*51eb283dSJackson Donaldson 
18*51eb283dSJackson Donaldson /* 60MHz is the default, but other clocks can be selected. */
19*51eb283dSJackson Donaldson #define SYSCLK_FRQ 60000000ULL
20*51eb283dSJackson Donaldson static void max78000_init(MachineState *machine)
21*51eb283dSJackson Donaldson {
22*51eb283dSJackson Donaldson     DeviceState *dev;
23*51eb283dSJackson Donaldson     Clock *sysclk;
24*51eb283dSJackson Donaldson 
25*51eb283dSJackson Donaldson     sysclk = clock_new(OBJECT(machine), "SYSCLK");
26*51eb283dSJackson Donaldson     clock_set_hz(sysclk, SYSCLK_FRQ);
27*51eb283dSJackson Donaldson 
28*51eb283dSJackson Donaldson     dev = qdev_new(TYPE_MAX78000_SOC);
29*51eb283dSJackson Donaldson     object_property_add_child(OBJECT(machine), "soc", OBJECT(dev));
30*51eb283dSJackson Donaldson     qdev_connect_clock_in(dev, "sysclk", sysclk);
31*51eb283dSJackson Donaldson     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
32*51eb283dSJackson Donaldson 
33*51eb283dSJackson Donaldson     armv7m_load_kernel(ARM_CPU(first_cpu),
34*51eb283dSJackson Donaldson                        machine->kernel_filename,
35*51eb283dSJackson Donaldson                        0x00000000, FLASH_SIZE);
36*51eb283dSJackson Donaldson }
37*51eb283dSJackson Donaldson 
38*51eb283dSJackson Donaldson static void max78000_machine_init(MachineClass *mc)
39*51eb283dSJackson Donaldson {
40*51eb283dSJackson Donaldson     static const char * const valid_cpu_types[] = {
41*51eb283dSJackson Donaldson         ARM_CPU_TYPE_NAME("cortex-m4"),
42*51eb283dSJackson Donaldson         NULL
43*51eb283dSJackson Donaldson     };
44*51eb283dSJackson Donaldson 
45*51eb283dSJackson Donaldson     mc->desc = "MAX78000FTHR Board (Cortex-M4 / (Unimplemented) RISC-V)";
46*51eb283dSJackson Donaldson     mc->init = max78000_init;
47*51eb283dSJackson Donaldson     mc->valid_cpu_types = valid_cpu_types;
48*51eb283dSJackson Donaldson }
49*51eb283dSJackson Donaldson 
50*51eb283dSJackson Donaldson DEFINE_MACHINE("max78000fthr", max78000_machine_init)
51