hw/ppc/mac.h

   1 /*
   2  * QEMU PowerMac emulation shared definitions and prototypes
   3  *
   4  * Copyright (c) 2004-2007 Fabrice Bellard
   5  * Copyright (c) 2007 Jocelyn Mayer
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23  * THE SOFTWARE.
  24  */
  25
  26 #ifndef PPC_MAC_H
  27 #define PPC_MAC_H
  28
  29 #include "exec/memory.h"
  30 #include "hw/sysbus.h"
  31 #include "hw/ide/internal.h"
  32 #include "hw/input/adb.h"
  33 #include "hw/misc/mos6522.h"
  34
  35 /* SMP is not enabled, for now */
  36 #define MAX_CPUS 1
  37
  38 #define BIOS_SIZE     (1024 * 1024)
  39 #define NVRAM_SIZE        0x2000
  40 #define PROM_FILENAME    "openbios-ppc"
  41 #define PROM_ADDR         0xfff00000
  42
  43 #define KERNEL_LOAD_ADDR 0x01000000
  44 #define KERNEL_GAP       0x00100000
  45
  46 #define ESCC_CLOCK 3686400
  47
  48
  49 /* MacIO */
  50 #define TYPE_OLDWORLD_MACIO "macio-oldworld"
  51 #define TYPE_NEWWORLD_MACIO "macio-newworld"
  52
  53 #define TYPE_MACIO_IDE "macio-ide"
  54 #define MACIO_IDE(obj) OBJECT_CHECK(MACIOIDEState, (obj), TYPE_MACIO_IDE)
  55
  56 typedef struct MACIOIDEState {
  57     /*< private >*/
  58     SysBusDevice parent_obj;
  59     /*< public >*/
  60     uint32_t channel;
  61     qemu_irq real_ide_irq;
  62     qemu_irq real_dma_irq;
  63     qemu_irq ide_irq;
  64     qemu_irq dma_irq;
  65
  66     MemoryRegion mem;
  67     IDEBus bus;
  68     IDEDMA dma;
  69     void *dbdma;
  70     bool dma_active;
  71     uint32_t timing_reg;
  72     uint32_t irq_reg;
  73 } MACIOIDEState;
  74
  75 void macio_ide_init_drives(MACIOIDEState *ide, DriveInfo **hd_table);
  76 void macio_ide_register_dma(MACIOIDEState *ide);
  77
  78 void macio_init(PCIDevice *dev,
  79                 MemoryRegion *pic_mem,
  80                 MemoryRegion *escc_mem);
  81
  82 /* Heathrow PIC */
  83 qemu_irq *heathrow_pic_init(MemoryRegion **pmem,
  84                             int nb_cpus, qemu_irq **irqs);
  85
  86 /* Grackle PCI */
  87 #define TYPE_GRACKLE_PCI_HOST_BRIDGE "grackle-pcihost"
  88 PCIBus *pci_grackle_init(uint32_t base, qemu_irq *pic,
  89                          MemoryRegion *address_space_mem,
  90                          MemoryRegion *address_space_io);
  91
  92 /* UniNorth PCI */
  93 PCIBus *pci_pmac_init(qemu_irq *pic,
  94                       MemoryRegion *address_space_mem,
  95                       MemoryRegion *address_space_io);
  96 PCIBus *pci_pmac_u3_init(qemu_irq *pic,
  97                          MemoryRegion *address_space_mem,
  98                          MemoryRegion *address_space_io);
  99
 100 /* Mac NVRAM */
 101 #define TYPE_MACIO_NVRAM "macio-nvram"
 102 #define MACIO_NVRAM(obj) \
 103     OBJECT_CHECK(MacIONVRAMState, (obj), TYPE_MACIO_NVRAM)
 104
 105 typedef struct MacIONVRAMState {
 106     /*< private >*/
 107     SysBusDevice parent_obj;
 108     /*< public >*/
 109
 110     uint32_t size;
 111     uint32_t it_shift;
 112
 113     MemoryRegion mem;
 114     uint8_t *data;
 115 } MacIONVRAMState;
 116
 117 void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len);
 118 #endif /* PPC_MAC_H */