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 | |
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 | |
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 | |