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 PnvXScomInterface;
  26
  27 #define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface"
  28 #define PNV_XSCOM_INTERFACE(obj) \
  29     INTERFACE_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE)
  30 #define PNV_XSCOM_INTERFACE_CLASS(klass)                \
  31     OBJECT_CLASS_CHECK(PnvXScomInterfaceClass, (klass), \
  32                        TYPE_PNV_XSCOM_INTERFACE)
  33 #define PNV_XSCOM_INTERFACE_GET_CLASS(obj) \
  34      OBJECT_GET_CLASS(PnvXScomInterfaceClass, (obj), TYPE_PNV_XSCOM_INTERFACE)
  35
  36 typedef struct PnvXScomInterfaceClass {
  37     InterfaceClass parent;
  38     int (*dt_xscom)(PnvXScomInterface *dev, void *fdt, int offset);
  39 } PnvXScomInterfaceClass;
  40
  41 /*
  42  * Layout of the XSCOM PCB addresses of EX core 1 (POWER 8)
  43  *
  44  *   GPIO        0x1100xxxx
  45  *   SCOM        0x1101xxxx
  46  *   OHA         0x1102xxxx
  47  *   CLOCK CTL   0x1103xxxx
  48  *   FIR         0x1104xxxx
  49  *   THERM       0x1105xxxx
  50  *   <reserved>  0x1106xxxx
  51  *               ..
  52  *               0x110Exxxx
  53  *   PCB SLAVE   0x110Fxxxx
  54  */
  55
  56 #define PNV_XSCOM_EX_CORE_BASE    0x10000000ull
  57
  58 #define PNV_XSCOM_EX_BASE(core) \
  59     (PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24))
  60 #define PNV_XSCOM_EX_SIZE         0x100000
  61
  62 #define PNV_XSCOM_LPC_BASE        0xb0020
  63 #define PNV_XSCOM_LPC_SIZE        0x4
  64
  65 #define PNV_XSCOM_PSIHB_BASE      0x2010900
  66 #define PNV_XSCOM_PSIHB_SIZE      0x20
  67
  68 #define PNV_XSCOM_OCC_BASE        0x0066000
  69 #define PNV_XSCOM_OCC_SIZE        0x6000
  70
  71 #define PNV_XSCOM_PBA_BASE        0x2013f00
  72 #define PNV_XSCOM_PBA_SIZE        0x40
  73
  74 /*
  75  * Layout of the XSCOM PCB addresses (POWER 9)
  76  */
  77 #define PNV9_XSCOM_EC_BASE(core) \
  78     ((uint64_t)(((core) & 0x1F) + 0x20) << 24)
  79 #define PNV9_XSCOM_EC_SIZE        0x100000
  80
  81 #define PNV9_XSCOM_EQ_BASE(core) \
  82     ((uint64_t)(((core) & 0x1C) + 0x40) << 22)
  83 #define PNV9_XSCOM_EQ_SIZE        0x100000
  84
  85 #define PNV9_XSCOM_OCC_BASE       PNV_XSCOM_OCC_BASE
  86 #define PNV9_XSCOM_OCC_SIZE       0x8000
  87
  88 #define PNV9_XSCOM_PBA_BASE       0x5012b00
  89 #define PNV9_XSCOM_PBA_SIZE       0x40
  90
  91 #define PNV9_XSCOM_PSIHB_BASE     0x5012900
  92 #define PNV9_XSCOM_PSIHB_SIZE     0x100
  93
  94 #define PNV9_XSCOM_XIVE_BASE      0x5013000
  95 #define PNV9_XSCOM_XIVE_SIZE      0x300
  96
  97 /*
  98  * Layout of the XSCOM PCB addresses (POWER 10)
  99  */
 100 #define PNV10_XSCOM_EQ_CHIPLET(core)  (0x20 + ((core) >> 2))
 101 #define PNV10_XSCOM_EQ(chiplet)       ((chiplet) << 24)
 102 #define PNV10_XSCOM_EC(proc)                    \
 103     ((0x2 << 16) | ((1 << (3 - (proc))) << 12))
 104
 105 #define PNV10_XSCOM_EQ_BASE(core)     \
 106     ((uint64_t) PNV10_XSCOM_EQ(PNV10_XSCOM_EQ_CHIPLET(core)))
 107 #define PNV10_XSCOM_EQ_SIZE        0x100000
 108
 109 #define PNV10_XSCOM_EC_BASE(core) \
 110     ((uint64_t) PNV10_XSCOM_EQ_BASE(core) | PNV10_XSCOM_EC(core & 0x3))
 111 #define PNV10_XSCOM_EC_SIZE        0x100000
 112
 113 #define PNV10_XSCOM_PSIHB_BASE     0x3011D00
 114 #define PNV10_XSCOM_PSIHB_SIZE     0x100
 115
 116 void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp);
 117 int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset,
 118                  uint64_t xscom_base, uint64_t xscom_size);
 119
 120 void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset,
 121                              MemoryRegion *mr);
 122 void pnv_xscom_region_init(MemoryRegion *mr,
 123                            struct Object *owner,
 124                            const MemoryRegionOps *ops,
 125                            void *opaque,
 126                            const char *name,
 127                            uint64_t size);
 128
 129 #endif /* PPC_PNV_XSCOM_H */