xref: /openbmc/qemu/hw/arm/collie.c (revision fc8c745d)
1 /*
2  * SA-1110-based Sharp Zaurus SL-5500 platform.
3  *
4  * Copyright (C) 2011 Dmitry Eremin-Solenikov
5  *
6  * This code is licensed under GNU GPL v2.
7  *
8  * Contributions after 2012-01-13 are licensed under the terms of the
9  * GNU GPL, version 2 or (at your option) any later version.
10  */
11 #include "qemu/osdep.h"
12 #include "qemu/units.h"
13 #include "qemu/cutils.h"
14 #include "hw/sysbus.h"
15 #include "hw/boards.h"
16 #include "strongarm.h"
17 #include "hw/arm/boot.h"
18 #include "hw/block/flash.h"
19 #include "exec/address-spaces.h"
20 #include "cpu.h"
21 #include "qom/object.h"
22 
23 struct CollieMachineState {
24     MachineState parent;
25 
26     StrongARMState *sa1110;
27 };
28 
29 #define TYPE_COLLIE_MACHINE MACHINE_TYPE_NAME("collie")
30 OBJECT_DECLARE_SIMPLE_TYPE(CollieMachineState, COLLIE_MACHINE)
31 
32 static struct arm_boot_info collie_binfo = {
33     .loader_start = SA_SDCS0,
34     .ram_size = 0x20000000,
35 };
36 
37 static void collie_init(MachineState *machine)
38 {
39     DriveInfo *dinfo;
40     MachineClass *mc = MACHINE_GET_CLASS(machine);
41     CollieMachineState *cms = COLLIE_MACHINE(machine);
42 
43     if (machine->ram_size != mc->default_ram_size) {
44         char *sz = size_to_str(mc->default_ram_size);
45         error_report("Invalid RAM size, should be %s", sz);
46         g_free(sz);
47         exit(EXIT_FAILURE);
48     }
49 
50     cms->sa1110 = sa1110_init(machine->cpu_type);
51 
52     memory_region_add_subregion(get_system_memory(), SA_SDCS0, machine->ram);
53 
54     dinfo = drive_get(IF_PFLASH, 0, 0);
55     pflash_cfi01_register(SA_CS0, "collie.fl1", 0x02000000,
56                     dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
57                     64 * KiB, 4, 0x00, 0x00, 0x00, 0x00, 0);
58 
59     dinfo = drive_get(IF_PFLASH, 0, 1);
60     pflash_cfi01_register(SA_CS1, "collie.fl2", 0x02000000,
61                     dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
62                     64 * KiB, 4, 0x00, 0x00, 0x00, 0x00, 0);
63 
64     sysbus_create_simple("scoop", 0x40800000, NULL);
65 
66     collie_binfo.board_id = 0x208;
67     arm_load_kernel(cms->sa1110->cpu, machine, &collie_binfo);
68 }
69 
70 static void collie_machine_class_init(ObjectClass *oc, void *data)
71 {
72     MachineClass *mc = MACHINE_CLASS(oc);
73 
74     mc->desc = "Sharp SL-5500 (Collie) PDA (SA-1110)";
75     mc->init = collie_init;
76     mc->ignore_memory_transaction_failures = true;
77     mc->default_cpu_type = ARM_CPU_TYPE_NAME("sa1110");
78     mc->default_ram_size = 0x20000000;
79     mc->default_ram_id = "strongarm.sdram";
80 }
81 
82 static const TypeInfo collie_machine_typeinfo = {
83     .name = TYPE_COLLIE_MACHINE,
84     .parent = TYPE_MACHINE,
85     .class_init = collie_machine_class_init,
86     .instance_size = sizeof(CollieMachineState),
87 };
88 
89 static void collie_machine_register_types(void)
90 {
91     type_register_static(&collie_machine_typeinfo);
92 }
93 type_init(collie_machine_register_types);
94