xref: /openbmc/qemu/hw/arm/collie.c (revision 4921d0a7)
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 "qom/object.h"
21 #include "qemu/error-report.h"
22 
23 
24 #define RAM_SIZE            (512 * MiB)
25 #define FLASH_SIZE          (32 * MiB)
26 #define FLASH_SECTOR_SIZE   (64 * KiB)
27 
28 struct CollieMachineState {
29     MachineState parent;
30 
31     StrongARMState *sa1110;
32 };
33 
34 #define TYPE_COLLIE_MACHINE MACHINE_TYPE_NAME("collie")
35 OBJECT_DECLARE_SIMPLE_TYPE(CollieMachineState, COLLIE_MACHINE)
36 
37 static struct arm_boot_info collie_binfo = {
38     .loader_start = SA_SDCS0,
39     .ram_size = RAM_SIZE,
40 };
41 
42 static void collie_init(MachineState *machine)
43 {
44     MachineClass *mc = MACHINE_GET_CLASS(machine);
45     CollieMachineState *cms = COLLIE_MACHINE(machine);
46 
47     if (machine->ram_size != mc->default_ram_size) {
48         char *sz = size_to_str(mc->default_ram_size);
49         error_report("Invalid RAM size, should be %s", sz);
50         g_free(sz);
51         exit(EXIT_FAILURE);
52     }
53 
54     cms->sa1110 = sa1110_init(machine->cpu_type);
55 
56     memory_region_add_subregion(get_system_memory(), SA_SDCS0, machine->ram);
57 
58     for (unsigned i = 0; i < 2; i++) {
59         DriveInfo *dinfo = drive_get(IF_PFLASH, 0, i);
60         pflash_cfi01_register(i ? SA_CS1 : SA_CS0,
61                               i ? "collie.fl2" : "collie.fl1", FLASH_SIZE,
62                               dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
63                               FLASH_SECTOR_SIZE, 4, 0x00, 0x00, 0x00, 0x00, 0);
64     }
65 
66     sysbus_create_simple("scoop", 0x40800000, NULL);
67 
68     collie_binfo.board_id = 0x208;
69     arm_load_kernel(cms->sa1110->cpu, machine, &collie_binfo);
70 }
71 
72 static void collie_machine_class_init(ObjectClass *oc, void *data)
73 {
74     MachineClass *mc = MACHINE_CLASS(oc);
75 
76     mc->desc = "Sharp SL-5500 (Collie) PDA (SA-1110)";
77     mc->init = collie_init;
78     mc->ignore_memory_transaction_failures = true;
79     mc->default_cpu_type = ARM_CPU_TYPE_NAME("sa1110");
80     mc->default_ram_size = RAM_SIZE;
81     mc->default_ram_id = "strongarm.sdram";
82 }
83 
84 static const TypeInfo collie_machine_typeinfo = {
85     .name = TYPE_COLLIE_MACHINE,
86     .parent = TYPE_MACHINE,
87     .class_init = collie_machine_class_init,
88     .instance_size = sizeof(CollieMachineState),
89 };
90 
91 static void collie_machine_register_types(void)
92 {
93     type_register_static(&collie_machine_typeinfo);
94 }
95 type_init(collie_machine_register_types);
96