xref: /qemu/hw/arm/collie.c (revision ccc403ed5844613849deeaf18cba380b55b6e9bf)
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 "system/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, const 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