xref: /openbmc/qemu/hw/arm/mcimx6ul-evk.c (revision d5938f29)
1 /*
2  * Copyright (c) 2018 Jean-Christophe Dubois <jcd@tribudubois.net>
3  *
4  * MCIMX6UL_EVK Board System emulation.
5  *
6  * This code is licensed under the GPL, version 2 or later.
7  * See the file `COPYING' in the top level directory.
8  *
9  * It (partially) emulates a mcimx6ul_evk board, with a Freescale
10  * i.MX6ul SoC
11  */
12 
13 #include "qemu/osdep.h"
14 #include "qapi/error.h"
15 #include "hw/arm/fsl-imx6ul.h"
16 #include "hw/boards.h"
17 #include "hw/qdev-properties.h"
18 #include "sysemu/sysemu.h"
19 #include "qemu/error-report.h"
20 #include "sysemu/qtest.h"
21 
22 typedef struct {
23     FslIMX6ULState soc;
24     MemoryRegion ram;
25 } MCIMX6ULEVK;
26 
27 static void mcimx6ul_evk_init(MachineState *machine)
28 {
29     static struct arm_boot_info boot_info;
30     MCIMX6ULEVK *s = g_new0(MCIMX6ULEVK, 1);
31     int i;
32 
33     if (machine->ram_size > FSL_IMX6UL_MMDC_SIZE) {
34         error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
35                      machine->ram_size, FSL_IMX6UL_MMDC_SIZE);
36         exit(1);
37     }
38 
39     boot_info = (struct arm_boot_info) {
40         .loader_start = FSL_IMX6UL_MMDC_ADDR,
41         .board_id = -1,
42         .ram_size = machine->ram_size,
43         .kernel_filename = machine->kernel_filename,
44         .kernel_cmdline = machine->kernel_cmdline,
45         .initrd_filename = machine->initrd_filename,
46         .nb_cpus = machine->smp.cpus,
47     };
48 
49     object_initialize_child(OBJECT(machine), "soc", &s->soc,  sizeof(s->soc),
50                             TYPE_FSL_IMX6UL, &error_fatal, NULL);
51 
52     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
53 
54     memory_region_allocate_system_memory(&s->ram, NULL, "mcimx6ul-evk.ram",
55                                          machine->ram_size);
56     memory_region_add_subregion(get_system_memory(),
57                                 FSL_IMX6UL_MMDC_ADDR, &s->ram);
58 
59     for (i = 0; i < FSL_IMX6UL_NUM_USDHCS; i++) {
60         BusState *bus;
61         DeviceState *carddev;
62         DriveInfo *di;
63         BlockBackend *blk;
64 
65         di = drive_get_next(IF_SD);
66         blk = di ? blk_by_legacy_dinfo(di) : NULL;
67         bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus");
68         carddev = qdev_create(bus, TYPE_SD_CARD);
69         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
70         object_property_set_bool(OBJECT(carddev), true,
71                                  "realized", &error_fatal);
72     }
73 
74     if (!qtest_enabled()) {
75         arm_load_kernel(&s->soc.cpu, &boot_info);
76     }
77 }
78 
79 static void mcimx6ul_evk_machine_init(MachineClass *mc)
80 {
81     mc->desc = "Freescale i.MX6UL Evaluation Kit (Cortex A7)";
82     mc->init = mcimx6ul_evk_init;
83     mc->max_cpus = FSL_IMX6UL_NUM_CPUS;
84 }
85 DEFINE_MACHINE("mcimx6ul-evk", mcimx6ul_evk_machine_init)
86