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 "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);