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 #if !defined(__PPC_MAC_H__)
  26 #define __PPC_MAC_H__
  27
  28 #include "exec/memory.h"
  29 #include "hw/sysbus.h"
  30 #include "hw/ide/internal.h"
  31 #include "hw/input/adb.h"
  32
  33 /* SMP is not enabled, for now */
  34 #define MAX_CPUS 1
  35
  36 #define BIOS_SIZE     (1024 * 1024)
  37 #define NVRAM_SIZE        0x2000
  38 #define PROM_FILENAME    "openbios-ppc"
  39 #define PROM_ADDR         0xfff00000
  40
  41 #define KERNEL_LOAD_ADDR 0x01000000
  42 #define KERNEL_GAP       0x00100000
  43
  44 #define ESCC_CLOCK 3686400
  45
  46 /* Cuda */
  47 #define TYPE_CUDA "cuda"
  48 #define CUDA(obj) OBJECT_CHECK(CUDAState, (obj), TYPE_CUDA)
  49
  50 /**
  51  * CUDATimer:
  52  * @counter_value: counter value at load time
  53  */
  54 typedef struct CUDATimer {
  55     int index;
  56     uint16_t latch;
  57     uint16_t counter_value;
  58     int64_t load_time;
  59     int64_t next_irq_time;
  60     QEMUTimer *timer;
  61 } CUDATimer;
  62
  63 /**
  64  * CUDAState:
  65  * @b: B-side data
  66  * @a: A-side data
  67  * @dirb: B-side direction (1=output)
  68  * @dira: A-side direction (1=output)
  69  * @sr: Shift register
  70  * @acr: Auxiliary control register
  71  * @pcr: Peripheral control register
  72  * @ifr: Interrupt flag register
  73  * @ier: Interrupt enable register
  74  * @anh: A-side data, no handshake
  75  * @last_b: last value of B register
  76  * @last_acr: last value of ACR register
  77  */
  78 typedef struct CUDAState {
  79     /*< private >*/
  80     SysBusDevice parent_obj;
  81     /*< public >*/
  82
  83     MemoryRegion mem;
  84     /* cuda registers */
  85     uint8_t b;
  86     uint8_t a;
  87     uint8_t dirb;
  88     uint8_t dira;
  89     uint8_t sr;
  90     uint8_t acr;
  91     uint8_t pcr;
  92     uint8_t ifr;
  93     uint8_t ier;
  94     uint8_t anh;
  95
  96     ADBBusState adb_bus;
  97     CUDATimer timers[2];
  98
  99     uint32_t tick_offset;
 100
 101     uint8_t last_b;
 102     uint8_t last_acr;
 103
 104     int data_in_size;
 105     int data_in_index;
 106     int data_out_index;
 107
 108     qemu_irq irq;
 109     uint8_t autopoll;
 110     uint8_t data_in[128];
 111     uint8_t data_out[16];
 112     QEMUTimer *adb_poll_timer;
 113 } CUDAState;
 114
 115 /* MacIO */
 116 #define TYPE_OLDWORLD_MACIO "macio-oldworld"
 117 #define TYPE_NEWWORLD_MACIO "macio-newworld"
 118
 119 #define TYPE_MACIO_IDE "macio-ide"
 120 #define MACIO_IDE(obj) OBJECT_CHECK(MACIOIDEState, (obj), TYPE_MACIO_IDE)
 121
 122 typedef struct MACIOIDEState {
 123     /*< private >*/
 124     SysBusDevice parent_obj;
 125     /*< public >*/
 126
 127     qemu_irq irq;
 128     qemu_irq dma_irq;
 129
 130     MemoryRegion mem;
 131     IDEBus bus;
 132     BlockDriverAIOCB *aiocb;
 133     IDEDMA dma;
 134     void *dbdma;
 135     bool dma_active;
 136 } MACIOIDEState;
 137
 138 void macio_ide_init_drives(MACIOIDEState *ide, DriveInfo **hd_table);
 139 void macio_ide_register_dma(MACIOIDEState *ide, void *dbdma, int channel);
 140
 141 void macio_init(PCIDevice *dev,
 142                 MemoryRegion *pic_mem,
 143                 MemoryRegion *escc_mem);
 144
 145 /* Heathrow PIC */
 146 qemu_irq *heathrow_pic_init(MemoryRegion **pmem,
 147                             int nb_cpus, qemu_irq **irqs);
 148
 149 /* Grackle PCI */
 150 #define TYPE_GRACKLE_PCI_HOST_BRIDGE "grackle-pcihost"
 151 PCIBus *pci_grackle_init(uint32_t base, qemu_irq *pic,
 152                          MemoryRegion *address_space_mem,
 153                          MemoryRegion *address_space_io);
 154
 155 /* UniNorth PCI */
 156 PCIBus *pci_pmac_init(qemu_irq *pic,
 157                       MemoryRegion *address_space_mem,
 158                       MemoryRegion *address_space_io);
 159 PCIBus *pci_pmac_u3_init(qemu_irq *pic,
 160                          MemoryRegion *address_space_mem,
 161                          MemoryRegion *address_space_io);
 162
 163 /* Mac NVRAM */
 164 #define TYPE_MACIO_NVRAM "macio-nvram"
 165 #define MACIO_NVRAM(obj) \
 166     OBJECT_CHECK(MacIONVRAMState, (obj), TYPE_MACIO_NVRAM)
 167
 168 typedef struct MacIONVRAMState {
 169     /*< private >*/
 170     SysBusDevice parent_obj;
 171     /*< public >*/
 172
 173     uint32_t size;
 174     uint32_t it_shift;
 175
 176     MemoryRegion mem;
 177     uint8_t *data;
 178 } MacIONVRAMState;
 179
 180 void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len);
 181 uint8_t macio_nvram_read(MacIONVRAMState *s, uint32_t addr);
 182 void macio_nvram_write(MacIONVRAMState *s, uint32_t addr, uint8_t val);
 183 #endif /* !defined(__PPC_MAC_H__) */