hw/hppa/dino.h

   1 /*
   2  * HP-PARISC Dino PCI chipset emulation, as in B160L and similiar machines
   3  *
   4  * (C) 2017-2019 by Helge Deller <deller@gmx.de>
   5  *
   6  * This work is licensed under the GNU GPL license version 2 or later.
   7  *
   8  * Documentation available at:
   9  * https://parisc.wiki.kernel.org/images-parisc/9/91/Dino_ers.pdf
  10  * https://parisc.wiki.kernel.org/images-parisc/7/70/Dino_3_1_Errata.pdf
  11  */
  12
  13 #ifndef DINO_H
  14 #define DINO_H
  15
  16 #include "hw/pci/pci_host.h"
  17
  18 #define TYPE_DINO_PCI_HOST_BRIDGE "dino-pcihost"
  19 OBJECT_DECLARE_SIMPLE_TYPE(DinoState, DINO_PCI_HOST_BRIDGE)
  20
  21 #define DINO_IAR0               0x004
  22 #define DINO_IODC               0x008
  23 #define DINO_IRR0               0x00C  /* RO */
  24 #define DINO_IAR1               0x010
  25 #define DINO_IRR1               0x014  /* RO */
  26 #define DINO_IMR                0x018
  27 #define DINO_IPR                0x01C
  28 #define DINO_TOC_ADDR           0x020
  29 #define DINO_ICR                0x024
  30 #define DINO_ILR                0x028  /* RO */
  31 #define DINO_IO_COMMAND         0x030  /* WO */
  32 #define DINO_IO_STATUS          0x034  /* RO */
  33 #define DINO_IO_CONTROL         0x038
  34 #define DINO_IO_GSC_ERR_RESP    0x040  /* RO */
  35 #define DINO_IO_ERR_INFO        0x044  /* RO */
  36 #define DINO_IO_PCI_ERR_RESP    0x048  /* RO */
  37 #define DINO_IO_FBB_EN          0x05c
  38 #define DINO_IO_ADDR_EN         0x060
  39 #define DINO_PCI_CONFIG_ADDR    0x064
  40 #define DINO_PCI_CONFIG_DATA    0x068
  41 #define DINO_PCI_IO_DATA        0x06c
  42 #define DINO_PCI_MEM_DATA       0x070  /* Dino 3.x only */
  43 #define DINO_GSC2X_CONFIG       0x7b4  /* RO */
  44 #define DINO_GMASK              0x800
  45 #define DINO_PAMR               0x804
  46 #define DINO_PAPR               0x808
  47 #define DINO_DAMODE             0x80c
  48 #define DINO_PCICMD             0x810
  49 #define DINO_PCISTS             0x814  /* R/WC */
  50 #define DINO_MLTIM              0x81c
  51 #define DINO_BRDG_FEAT          0x820
  52 #define DINO_PCIROR             0x824
  53 #define DINO_PCIWOR             0x828
  54 #define DINO_TLTIM              0x830
  55
  56 #define DINO_IRQS         11      /* bits 0-10 are architected */
  57 #define DINO_IRR_MASK     0x5ff   /* only 10 bits are implemented */
  58 #define DINO_LOCAL_IRQS   (DINO_IRQS + 1)
  59 #define DINO_MASK_IRQ(x)  (1 << (x))
  60
  61 #define DINO_IRQ_PCIINTA   0
  62 #define DINO_IRQ_PCIINTB   1
  63 #define DINO_IRQ_PCIINTC   2
  64 #define DINO_IRQ_PCIINTD   3
  65 #define DINO_IRQ_PCIINTE   4
  66 #define DINO_IRQ_PCIINTF   5
  67 #define DINO_IRQ_GSCEXTINT 6
  68 #define DINO_IRQ_BUSERRINT 7
  69 #define DINO_IRQ_PS2INT    8
  70 #define DINO_IRQ_UNUSED    9
  71 #define DINO_IRQ_RS232INT  10
  72
  73 #define PCIINTA   0x001
  74 #define PCIINTB   0x002
  75 #define PCIINTC   0x004
  76 #define PCIINTD   0x008
  77 #define PCIINTE   0x010
  78 #define PCIINTF   0x020
  79 #define GSCEXTINT 0x040
  80 /* #define xxx       0x080 - bit 7 is "default" */
  81 /* #define xxx    0x100 - bit 8 not used */
  82 /* #define xxx    0x200 - bit 9 not used */
  83 #define RS232INT  0x400
  84
  85 #define DINO_MEM_CHUNK_SIZE (8 * MiB)
  86
  87 #define DINO800_REGS (1 + (DINO_TLTIM - DINO_GMASK) / 4)
  88 static const uint32_t reg800_keep_bits[DINO800_REGS] = {
  89     MAKE_64BIT_MASK(0, 1),  /* GMASK */
  90     MAKE_64BIT_MASK(0, 7),  /* PAMR */
  91     MAKE_64BIT_MASK(0, 7),  /* PAPR */
  92     MAKE_64BIT_MASK(0, 8),  /* DAMODE */
  93     MAKE_64BIT_MASK(0, 7),  /* PCICMD */
  94     MAKE_64BIT_MASK(0, 9),  /* PCISTS */
  95     MAKE_64BIT_MASK(0, 32), /* Undefined */
  96     MAKE_64BIT_MASK(0, 8),  /* MLTIM */
  97     MAKE_64BIT_MASK(0, 30), /* BRDG_FEAT */
  98     MAKE_64BIT_MASK(0, 24), /* PCIROR */
  99     MAKE_64BIT_MASK(0, 22), /* PCIWOR */
 100     MAKE_64BIT_MASK(0, 32), /* Undocumented */
 101     MAKE_64BIT_MASK(0, 9),  /* TLTIM */
 102 };
 103
 104 /* offsets to DINO HPA: */
 105 #define DINO_PCI_ADDR           0x064
 106 #define DINO_CONFIG_DATA        0x068
 107 #define DINO_IO_DATA            0x06c
 108
 109 struct DinoState {
 110     PCIHostState parent_obj;
 111
 112     /*
 113      * PCI_CONFIG_ADDR is parent_obj.config_reg, via pci_host_conf_be_ops,
 114      * so that we can map PCI_CONFIG_DATA to pci_host_data_be_ops.
 115      */
 116     uint32_t config_reg_dino; /* keep original copy, including 2 lowest bits */
 117
 118     uint32_t iar0;
 119     uint32_t iar1;
 120     uint32_t imr;
 121     uint32_t ipr;
 122     uint32_t icr;
 123     uint32_t ilr;
 124     uint32_t io_fbb_en;
 125     uint32_t io_addr_en;
 126     uint32_t io_control;
 127     uint32_t toc_addr;
 128
 129     uint32_t reg800[DINO800_REGS];
 130
 131     MemoryRegion this_mem;
 132     MemoryRegion pci_mem;
 133     MemoryRegion pci_mem_alias[32];
 134
 135     MemoryRegion *memory_as;
 136
 137     AddressSpace bm_as;
 138     MemoryRegion bm;
 139     MemoryRegion bm_ram_alias;
 140     MemoryRegion bm_pci_alias;
 141     MemoryRegion bm_cpu_alias;
 142
 143     qemu_irq irqs[DINO_IRQS];
 144 };
 145
 146 #endif