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 #ifndef _PPC_PNV_XSCOM_H
  20 #define _PPC_PNV_XSCOM_H
  21
  22 #include "qom/object.h"
  23
  24 typedef struct PnvXScomInterface {
  25     Object parent;
  26 } PnvXScomInterface;
  27
  28 #define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface"
  29 #define PNV_XSCOM_INTERFACE(obj) \
  30      OBJECT_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE)
  31 #define PNV_XSCOM_INTERFACE_CLASS(klass)                \
  32     OBJECT_CLASS_CHECK(PnvXScomInterfaceClass, (klass), \
  33                        TYPE_PNV_XSCOM_INTERFACE)
  34 #define PNV_XSCOM_INTERFACE_GET_CLASS(obj) \
  35      OBJECT_GET_CLASS(PnvXScomInterfaceClass, (obj), TYPE_PNV_XSCOM_INTERFACE)
  36
  37 typedef struct PnvXScomInterfaceClass {
  38     InterfaceClass parent;
  39     int (*dt_xscom)(PnvXScomInterface *dev, void *fdt, int offset);
  40 } PnvXScomInterfaceClass;
  41
  42 /*
  43  * Layout of the XSCOM PCB addresses of EX core 1 (POWER 8)
  44  *
  45  *   GPIO        0x1100xxxx
  46  *   SCOM        0x1101xxxx
  47  *   OHA         0x1102xxxx
  48  *   CLOCK CTL   0x1103xxxx
  49  *   FIR         0x1104xxxx
  50  *   THERM       0x1105xxxx
  51  *   <reserved>  0x1106xxxx
  52  *               ..
  53  *               0x110Exxxx
  54  *   PCB SLAVE   0x110Fxxxx
  55  */
  56
  57 #define PNV_XSCOM_EX_CORE_BASE    0x10000000ull
  58
  59 #define PNV_XSCOM_EX_BASE(core) \
  60     (PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24))
  61 #define PNV_XSCOM_EX_SIZE         0x100000
  62
  63 #define PNV_XSCOM_P9_EC_BASE(core) \
  64     ((uint64_t)(((core) & 0x1F) + 0x20) << 24)
  65 #define PNV_XSCOM_P9_EC_SIZE      0x100000
  66
  67 #define PNV_XSCOM_LPC_BASE        0xb0020
  68 #define PNV_XSCOM_LPC_SIZE        0x4
  69
  70 #define PNV_XSCOM_PSIHB_BASE      0x2010900
  71 #define PNV_XSCOM_PSIHB_SIZE      0x20
  72
  73 #define PNV_XSCOM_OCC_BASE        0x0066000
  74 #define PNV_XSCOM_OCC_SIZE        0x6000
  75
  76 extern void pnv_xscom_realize(PnvChip *chip, Error **errp);
  77 extern int pnv_dt_xscom(PnvChip *chip, void *fdt, int offset);
  78
  79 extern void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset,
  80                                     MemoryRegion *mr);
  81 extern void pnv_xscom_region_init(MemoryRegion *mr,
  82                                   struct Object *owner,
  83                                   const MemoryRegionOps *ops,
  84                                   void *opaque,
  85                                   const char *name,
  86                                   uint64_t size);
  87
  88 #endif /* _PPC_PNV_XSCOM_H */