qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
Log | Files | Refs | Submodules | LICENSE

dino.h (4505B)


      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