1 /*
2 * Copyright (c) 2018, Impinj, Inc.
3 *
4 * MCIMX7D_SABRE Board System emulation.
5 *
6 * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
7 *
8 * This code is licensed under the GPL, version 2 or later.
9 * See the file `COPYING' in the top level directory.
10 *
11 * It (partially) emulates a mcimx7d_sabre board, with a Freescale
12 * i.MX7 SoC
13 */
14
15 #include "qemu/osdep.h"
16 #include "qapi/error.h"
17 #include "hw/arm/fsl-imx7.h"
18 #include "hw/boards.h"
19 #include "hw/qdev-properties.h"
20 #include "sysemu/sysemu.h"
21 #include "qemu/error-report.h"
22 #include "sysemu/qtest.h"
23
24 typedef struct {
25 FslIMX7State soc;
26 MemoryRegion ram;
27 } MCIMX7Sabre;
28
mcimx7d_sabre_init(MachineState * machine)29 static void mcimx7d_sabre_init(MachineState *machine)
30 {
31 static struct arm_boot_info boot_info;
32 MCIMX7Sabre *s = g_new0(MCIMX7Sabre, 1);
33 int i;
34
35 if (machine->ram_size > FSL_IMX7_MMDC_SIZE) {
36 error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
37 machine->ram_size, FSL_IMX7_MMDC_SIZE);
38 exit(1);
39 }
40
41 boot_info = (struct arm_boot_info) {
42 .loader_start = FSL_IMX7_MMDC_ADDR,
43 .board_id = -1,
44 .ram_size = machine->ram_size,
45 .nb_cpus = machine->smp.cpus,
46 };
47
48 object_initialize_child(OBJECT(machine), "soc",
49 &s->soc, sizeof(s->soc),
50 TYPE_FSL_IMX7, &error_fatal, NULL);
51 object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
52
53 memory_region_allocate_system_memory(&s->ram, NULL, "mcimx7d-sabre.ram",
54 machine->ram_size);
55 memory_region_add_subregion(get_system_memory(),
56 FSL_IMX7_MMDC_ADDR, &s->ram);
57
58 for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) {
59 BusState *bus;
60 DeviceState *carddev;
61 DriveInfo *di;
62 BlockBackend *blk;
63
64 di = drive_get_next(IF_SD);
65 blk = di ? blk_by_legacy_dinfo(di) : NULL;
66 bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus");
67 carddev = qdev_create(bus, TYPE_SD_CARD);
68 qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
69 object_property_set_bool(OBJECT(carddev), true,
70 "realized", &error_fatal);
71 }
72
73 if (!qtest_enabled()) {
74 arm_load_kernel(&s->soc.cpu[0], machine, &boot_info);
75 }
76 }
77
mcimx7d_sabre_machine_init(MachineClass * mc)78 static void mcimx7d_sabre_machine_init(MachineClass *mc)
79 {
80 mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex A7)";
81 mc->init = mcimx7d_sabre_init;
82 mc->max_cpus = FSL_IMX7_NUM_CPUS;
83 }
84 DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init)
85