hw/arm/collie.c

   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 typedef struct CollieMachineState CollieMachineState;
  29
  30 #define TYPE_COLLIE_MACHINE MACHINE_TYPE_NAME("collie")
  31 DECLARE_INSTANCE_CHECKER(CollieMachineState, COLLIE_MACHINE,
  32                          TYPE_COLLIE_MACHINE)
  33
  34 static struct arm_boot_info collie_binfo = {
  35     .loader_start = SA_SDCS0,
  36     .ram_size = 0x20000000,
  37 };
  38
  39 static void collie_init(MachineState *machine)
  40 {
  41     DriveInfo *dinfo;
  42     MachineClass *mc = MACHINE_GET_CLASS(machine);
  43     CollieMachineState *cms = COLLIE_MACHINE(machine);
  44
  45     if (machine->ram_size != mc->default_ram_size) {
  46         char *sz = size_to_str(mc->default_ram_size);
  47         error_report("Invalid RAM size, should be %s", sz);
  48         g_free(sz);
  49         exit(EXIT_FAILURE);
  50     }
  51
  52     cms->sa1110 = sa1110_init(machine->cpu_type);
  53
  54     memory_region_add_subregion(get_system_memory(), SA_SDCS0, machine->ram);
  55
  56     dinfo = drive_get(IF_PFLASH, 0, 0);
  57     pflash_cfi01_register(SA_CS0, "collie.fl1", 0x02000000,
  58                     dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
  59                     64 * KiB, 4, 0x00, 0x00, 0x00, 0x00, 0);
  60
  61     dinfo = drive_get(IF_PFLASH, 0, 1);
  62     pflash_cfi01_register(SA_CS1, "collie.fl2", 0x02000000,
  63                     dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
  64                     64 * KiB, 4, 0x00, 0x00, 0x00, 0x00, 0);
  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 = 0x20000000;
  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);