include/hw/ppc/pnv_xscom.h

   1 /*
   2  * QEMU PowerPC PowerNV XSCOM bus definitions
   3  *
   4  * Copyright (c) 2016, IBM Corporation.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef PPC_PNV_XSCOM_H
  21 #define PPC_PNV_XSCOM_H
  22
  23 #include "qom/object.h"
  24
  25 typedef struct PnvXScomInterface {
  26     Object parent;
  27 } PnvXScomInterface;
  28
  29 #define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface"
  30 #define PNV_XSCOM_INTERFACE(obj) \
  31      OBJECT_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE)
  32 #define PNV_XSCOM_INTERFACE_CLASS(klass)                \
  33     OBJECT_CLASS_CHECK(PnvXScomInterfaceClass, (klass), \
  34                        TYPE_PNV_XSCOM_INTERFACE)
  35 #define PNV_XSCOM_INTERFACE_GET_CLASS(obj) \
  36      OBJECT_GET_CLASS(PnvXScomInterfaceClass, (obj), TYPE_PNV_XSCOM_INTERFACE)
  37
  38 typedef struct PnvXScomInterfaceClass {
  39     InterfaceClass parent;
  40     int (*dt_xscom)(PnvXScomInterface *dev, void *fdt, int offset);
  41 } PnvXScomInterfaceClass;
  42
  43 /*
  44  * Layout of the XSCOM PCB addresses of EX core 1 (POWER 8)
  45  *
  46  *   GPIO        0x1100xxxx
  47  *   SCOM        0x1101xxxx
  48  *   OHA         0x1102xxxx
  49  *   CLOCK CTL   0x1103xxxx
  50  *   FIR         0x1104xxxx
  51  *   THERM       0x1105xxxx
  52  *   <reserved>  0x1106xxxx
  53  *               ..
  54  *               0x110Exxxx
  55  *   PCB SLAVE   0x110Fxxxx
  56  */
  57
  58 #define PNV_XSCOM_EX_CORE_BASE    0x10000000ull
  59
  60 #define PNV_XSCOM_EX_BASE(core) \
  61     (PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24))
  62 #define PNV_XSCOM_EX_SIZE         0x100000
  63
  64 #define PNV_XSCOM_LPC_BASE        0xb0020
  65 #define PNV_XSCOM_LPC_SIZE        0x4
  66
  67 #define PNV_XSCOM_PSIHB_BASE      0x2010900
  68 #define PNV_XSCOM_PSIHB_SIZE      0x20
  69
  70 #define PNV_XSCOM_OCC_BASE        0x0066000
  71 #define PNV_XSCOM_OCC_SIZE        0x6000
  72
  73 #define PNV9_XSCOM_EC_BASE(core) \
  74     ((uint64_t)(((core) & 0x1F) + 0x20) << 24)
  75 #define PNV9_XSCOM_EC_SIZE        0x100000
  76
  77 #define PNV9_XSCOM_EQ_BASE(core) \
  78     ((uint64_t)(((core) & 0x1C) + 0x40) << 22)
  79 #define PNV9_XSCOM_EQ_SIZE        0x100000
  80
  81 #define PNV9_XSCOM_OCC_BASE       PNV_XSCOM_OCC_BASE
  82 #define PNV9_XSCOM_OCC_SIZE       0x8000
  83
  84 #define PNV9_XSCOM_PSIHB_BASE     0x5012900
  85 #define PNV9_XSCOM_PSIHB_SIZE     0x100
  86
  87 #define PNV9_XSCOM_XIVE_BASE      0x5013000
  88 #define PNV9_XSCOM_XIVE_SIZE      0x300
  89
  90 extern void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp);
  91 extern int pnv_dt_xscom(PnvChip *chip, void *fdt, int offset);
  92
  93 extern void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset,
  94                                     MemoryRegion *mr);
  95 extern void pnv_xscom_region_init(MemoryRegion *mr,
  96                                   struct Object *owner,
  97                                   const MemoryRegionOps *ops,
  98                                   void *opaque,
  99                                   const char *name,
 100                                   uint64_t size);
 101
 102 #endif /* PPC_PNV_XSCOM_H */