LXR qemu/include/hw/ppc/pnv

   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
  24typedef 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
  37typedef 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
  76extern void pnv_xscom_realize(PnvChip *chip, Error **errp);
  77extern int pnv_dt_xscom(PnvChip *chip, void *fdt, int offset);
  78
  79extern void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset,
  80                                    MemoryRegion *mr);
  81extern 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 */
  89