xref: /openbmc/qemu/hw/arm/collie.c (revision bbadfb2e)
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 #include "qemu/error-report.h"
23 
24 
25 #define RAM_SIZE            (512 * MiB)
26 #define FLASH_SIZE          (32 * MiB)
27 #define FLASH_SECTOR_SIZE   (64 * KiB)
28 
29 struct CollieMachineState {
30     MachineState parent;
31 
32     StrongARMState *sa1110;
33 };
34 
35 #define TYPE_COLLIE_MACHINE MACHINE_TYPE_NAME("collie")
36 OBJECT_DECLARE_SIMPLE_TYPE(CollieMachineState, COLLIE_MACHINE)
37 
38 static struct arm_boot_info collie_binfo = {
39     .loader_start = SA_SDCS0,
40     .ram_size = RAM_SIZE,
41 };
42 
43 static void collie_init(MachineState *machine)
44 {
45     MachineClass *mc = MACHINE_GET_CLASS(machine);
46     CollieMachineState *cms = COLLIE_MACHINE(machine);
47 
48     if (machine->ram_size != mc->default_ram_size) {
49         char *sz = size_to_str(mc->default_ram_size);
50         error_report("Invalid RAM size, should be %s", sz);
51         g_free(sz);
52         exit(EXIT_FAILURE);
53     }
54 
55     cms->sa1110 = sa1110_init(machine->cpu_type);
56 
57     memory_region_add_subregion(get_system_memory(), SA_SDCS0, machine->ram);
58 
59     for (unsigned i = 0; i < 2; i++) {
60         DriveInfo *dinfo = drive_get(IF_PFLASH, 0, i);
61         pflash_cfi01_register(i ? SA_CS1 : SA_CS0,
62                               i ? "collie.fl2" : "collie.fl1", FLASH_SIZE,
63                               dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
64                               FLASH_SECTOR_SIZE, 4, 0x00, 0x00, 0x00, 0x00, 0);
65     }
66 
67     sysbus_create_simple("scoop", 0x40800000, NULL);
68 
69     collie_binfo.board_id = 0x208;
70     arm_load_kernel(cms->sa1110->cpu, machine, &collie_binfo);
71 }
72 
73 static void collie_machine_class_init(ObjectClass *oc, void *data)
74 {
75     MachineClass *mc = MACHINE_CLASS(oc);
76 
77     mc->desc = "Sharp SL-5500 (Collie) PDA (SA-1110)";
78     mc->init = collie_init;
79     mc->ignore_memory_transaction_failures = true;
80     mc->default_cpu_type = ARM_CPU_TYPE_NAME("sa1110");
81     mc->default_ram_size = RAM_SIZE;
82     mc->default_ram_id = "strongarm.sdram";
83 }
84 
85 static const TypeInfo collie_machine_typeinfo = {
86     .name = TYPE_COLLIE_MACHINE,
87     .parent = TYPE_MACHINE,
88     .class_init = collie_machine_class_init,
89     .instance_size = sizeof(CollieMachineState),
90 };
91 
92 static void collie_machine_register_types(void)
93 {
94     type_register_static(&collie_machine_typeinfo);
95 }
96 type_init(collie_machine_register_types);
97