xref: /qemu/hw/arm/mcimx7d-sabre.c (revision d201cf7a)
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 "qemu/error-report.h"
21 #include "sysemu/qtest.h"
22 
23 static void mcimx7d_sabre_init(MachineState *machine)
24 {
25     static struct arm_boot_info boot_info;
26     FslIMX7State *s;
27     int i;
28 
29     if (machine->ram_size > FSL_IMX7_MMDC_SIZE) {
30         error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
31                      machine->ram_size, FSL_IMX7_MMDC_SIZE);
32         exit(1);
33     }
34 
35     boot_info = (struct arm_boot_info) {
36         .loader_start = FSL_IMX7_MMDC_ADDR,
37         .board_id = -1,
38         .ram_size = machine->ram_size,
39         .psci_conduit = QEMU_PSCI_CONDUIT_SMC,
40     };
41 
42     s = FSL_IMX7(object_new(TYPE_FSL_IMX7));
43     object_property_add_child(OBJECT(machine), "soc", OBJECT(s));
44     qdev_realize(DEVICE(s), NULL, &error_fatal);
45 
46     memory_region_add_subregion(get_system_memory(), FSL_IMX7_MMDC_ADDR,
47                                 machine->ram);
48 
49     for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) {
50         BusState *bus;
51         DeviceState *carddev;
52         DriveInfo *di;
53         BlockBackend *blk;
54 
55         di = drive_get(IF_SD, 0, i);
56         blk = di ? blk_by_legacy_dinfo(di) : NULL;
57         bus = qdev_get_child_bus(DEVICE(&s->usdhc[i]), "sd-bus");
58         carddev = qdev_new(TYPE_SD_CARD);
59         qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
60         qdev_realize_and_unref(carddev, bus, &error_fatal);
61     }
62 
63     if (!qtest_enabled()) {
64         arm_load_kernel(&s->cpu[0], machine, &boot_info);
65     }
66 }
67 
68 static void mcimx7d_sabre_machine_init(MachineClass *mc)
69 {
70     mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex-A7)";
71     mc->init = mcimx7d_sabre_init;
72     mc->max_cpus = FSL_IMX7_NUM_CPUS;
73     mc->default_ram_id = "mcimx7d-sabre.ram";
74 }
75 DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init)
76