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