xref: /openbmc/qemu/hw/arm/max78000fthr.c (revision 0edc2afe0c8197bbcb98f948c609fb74c9b1ffd5)
1 /*
2  * MAX78000FTHR Evaluation Board
3  *
4  * Copyright (c) 2025 Jackson Donaldson <jcksn@duck.com>
5  *
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #include "qemu/osdep.h"
10 #include "qapi/error.h"
11 #include "hw/boards.h"
12 #include "hw/qdev-properties.h"
13 #include "hw/qdev-clock.h"
14 #include "qemu/error-report.h"
15 #include "hw/arm/max78000_soc.h"
16 #include "hw/arm/boot.h"
17 
18 /* 60MHz is the default, but other clocks can be selected. */
19 #define SYSCLK_FRQ 60000000ULL
max78000_init(MachineState * machine)20 static void max78000_init(MachineState *machine)
21 {
22     DeviceState *dev;
23     Clock *sysclk;
24 
25     sysclk = clock_new(OBJECT(machine), "SYSCLK");
26     clock_set_hz(sysclk, SYSCLK_FRQ);
27 
28     dev = qdev_new(TYPE_MAX78000_SOC);
29     object_property_add_child(OBJECT(machine), "soc", OBJECT(dev));
30     qdev_connect_clock_in(dev, "sysclk", sysclk);
31     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
32 
33     armv7m_load_kernel(ARM_CPU(first_cpu),
34                        machine->kernel_filename,
35                        0x00000000, FLASH_SIZE);
36 }
37 
max78000_machine_init(MachineClass * mc)38 static void max78000_machine_init(MachineClass *mc)
39 {
40     static const char * const valid_cpu_types[] = {
41         ARM_CPU_TYPE_NAME("cortex-m4"),
42         NULL
43     };
44 
45     mc->desc = "MAX78000FTHR Board (Cortex-M4 / (Unimplemented) RISC-V)";
46     mc->init = max78000_init;
47     mc->valid_cpu_types = valid_cpu_types;
48 }
49 
50 DEFINE_MACHINE("max78000fthr", max78000_machine_init)
51