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 2.1 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 "exec/memory.h"
  24 #include "hw/ppc/pnv.h"
  25
  26 typedef struct PnvXScomInterface PnvXScomInterface;
  27
  28 #define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface"
  29 #define PNV_XSCOM_INTERFACE(obj) \
  30     INTERFACE_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE)
  31 typedef struct PnvXScomInterfaceClass PnvXScomInterfaceClass;
  32 DECLARE_CLASS_CHECKERS(PnvXScomInterfaceClass, PNV_XSCOM_INTERFACE,
  33                        TYPE_PNV_XSCOM_INTERFACE)
  34
  35 struct PnvXScomInterfaceClass {
  36     InterfaceClass parent;
  37     int (*dt_xscom)(PnvXScomInterface *dev, void *fdt, int offset);
  38 };
  39
  40 /*
  41  * Layout of the XSCOM PCB addresses of EX core 1 (POWER 8)
  42  *
  43  *   GPIO        0x1100xxxx
  44  *   SCOM        0x1101xxxx
  45  *   OHA         0x1102xxxx
  46  *   CLOCK CTL   0x1103xxxx
  47  *   FIR         0x1104xxxx
  48  *   THERM       0x1105xxxx
  49  *   <reserved>  0x1106xxxx
  50  *               ..
  51  *               0x110Exxxx
  52  *   PCB SLAVE   0x110Fxxxx
  53  */
  54
  55 #define PNV_XSCOM_EX_CORE_BASE    0x10000000ull
  56
  57 #define PNV_XSCOM_EX_BASE(core) \
  58     (PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24))
  59 #define PNV_XSCOM_EX_SIZE         0x100000
  60
  61 #define PNV_XSCOM_LPC_BASE        0xb0020
  62 #define PNV_XSCOM_LPC_SIZE        0x4
  63
  64 #define PNV_XSCOM_PSIHB_BASE      0x2010900
  65 #define PNV_XSCOM_PSIHB_SIZE      0x20
  66
  67 #define PNV_XSCOM_OCC_BASE        0x0066000
  68 #define PNV_XSCOM_OCC_SIZE        0x6000
  69
  70 #define PNV_XSCOM_PBA_BASE        0x2013f00
  71 #define PNV_XSCOM_PBA_SIZE        0x40
  72
  73 #define PNV_XSCOM_PBCQ_NEST_BASE  0x2012000
  74 #define PNV_XSCOM_PBCQ_NEST_SIZE  0x46
  75
  76 #define PNV_XSCOM_PBCQ_PCI_BASE   0x9012000
  77 #define PNV_XSCOM_PBCQ_PCI_SIZE   0x15
  78
  79 #define PNV_XSCOM_PBCQ_SPCI_BASE  0x9013c00
  80 #define PNV_XSCOM_PBCQ_SPCI_SIZE  0x5
  81
  82 /*
  83  * Layout of the XSCOM PCB addresses (POWER 9)
  84  */
  85 #define PNV9_XSCOM_EC_BASE(core) \
  86     ((uint64_t)(((core) & 0x1F) + 0x20) << 24)
  87 #define PNV9_XSCOM_EC_SIZE        0x100000
  88
  89 #define PNV9_XSCOM_EQ_BASE(core) \
  90     ((uint64_t)(((core) & 0x1C) + 0x40) << 22)
  91 #define PNV9_XSCOM_EQ_SIZE        0x100000
  92
  93 #define PNV9_XSCOM_OCC_BASE       PNV_XSCOM_OCC_BASE
  94 #define PNV9_XSCOM_OCC_SIZE       0x8000
  95
  96 #define PNV9_XSCOM_SBE_CTRL_BASE  0x00050008
  97 #define PNV9_XSCOM_SBE_CTRL_SIZE  0x1
  98
  99 #define PNV9_XSCOM_SBE_MBOX_BASE  0x000D0050
 100 #define PNV9_XSCOM_SBE_MBOX_SIZE  0x16
 101
 102 #define PNV9_XSCOM_PBA_BASE       0x5012b00
 103 #define PNV9_XSCOM_PBA_SIZE       0x40
 104
 105 #define PNV9_XSCOM_PSIHB_BASE     0x5012900
 106 #define PNV9_XSCOM_PSIHB_SIZE     0x100
 107
 108 #define PNV9_XSCOM_XIVE_BASE      0x5013000
 109 #define PNV9_XSCOM_XIVE_SIZE      0x300
 110
 111 #define PNV9_XSCOM_PEC_NEST_BASE  0x4010c00
 112 #define PNV9_XSCOM_PEC_NEST_SIZE  0x100
 113
 114 #define PNV9_XSCOM_PEC_PCI_BASE   0xd010800
 115 #define PNV9_XSCOM_PEC_PCI_SIZE   0x200
 116
 117 /* XSCOM PCI "pass-through" window to PHB SCOM */
 118 #define PNV9_XSCOM_PEC_PCI_STK0   0x100
 119 #define PNV9_XSCOM_PEC_PCI_STK1   0x140
 120 #define PNV9_XSCOM_PEC_PCI_STK2   0x180
 121
 122 /*
 123  * Layout of the XSCOM PCB addresses (POWER 10)
 124  */
 125 #define PNV10_XSCOM_EQ_CHIPLET(core)  (0x20 + ((core) >> 2))
 126 #define PNV10_XSCOM_EQ(chiplet)       ((chiplet) << 24)
 127 #define PNV10_XSCOM_EC(proc)                    \
 128     ((0x2 << 16) | ((1 << (3 - (proc))) << 12))
 129
 130 #define PNV10_XSCOM_QME(chiplet) \
 131         (PNV10_XSCOM_EQ(chiplet) | (0xE << 16))
 132
 133 /*
 134  * Make the region larger by 0x1000 (instead of starting at an offset) so the
 135  * modelled addresses start from 0
 136  */
 137 #define PNV10_XSCOM_QME_BASE(core)     \
 138     ((uint64_t) PNV10_XSCOM_QME(PNV10_XSCOM_EQ_CHIPLET(core)))
 139 #define PNV10_XSCOM_QME_SIZE        (0x8000 + 0x1000)
 140
 141 #define PNV10_XSCOM_EQ_BASE(core)     \
 142     ((uint64_t) PNV10_XSCOM_EQ(PNV10_XSCOM_EQ_CHIPLET(core)))
 143 #define PNV10_XSCOM_EQ_SIZE        0x20000
 144
 145 #define PNV10_XSCOM_EC_BASE(core) \
 146     ((uint64_t) PNV10_XSCOM_EQ_BASE(core) | PNV10_XSCOM_EC(core & 0x3))
 147 #define PNV10_XSCOM_EC_SIZE        0x1000
 148
 149 #define PNV10_XSCOM_PSIHB_BASE     0x3011D00
 150 #define PNV10_XSCOM_PSIHB_SIZE     0x100
 151
 152 #define PNV10_XSCOM_OCC_BASE       PNV9_XSCOM_OCC_BASE
 153 #define PNV10_XSCOM_OCC_SIZE       PNV9_XSCOM_OCC_SIZE
 154
 155 #define PNV10_XSCOM_SBE_CTRL_BASE  PNV9_XSCOM_SBE_CTRL_BASE
 156 #define PNV10_XSCOM_SBE_CTRL_SIZE  PNV9_XSCOM_SBE_CTRL_SIZE
 157
 158 #define PNV10_XSCOM_SBE_MBOX_BASE  PNV9_XSCOM_SBE_MBOX_BASE
 159 #define PNV10_XSCOM_SBE_MBOX_SIZE  PNV9_XSCOM_SBE_MBOX_SIZE
 160
 161 #define PNV10_XSCOM_PBA_BASE       0x01010CDA
 162 #define PNV10_XSCOM_PBA_SIZE       0x40
 163
 164 #define PNV10_XSCOM_XIVE2_BASE     0x2010800
 165 #define PNV10_XSCOM_XIVE2_SIZE     0x400
 166
 167 #define PNV10_XSCOM_PEC_NEST_BASE  0x3011800 /* index goes downwards ... */
 168 #define PNV10_XSCOM_PEC_NEST_SIZE  0x100
 169
 170 #define PNV10_XSCOM_PEC_PCI_BASE   0x8010800 /* index goes upwards ... */
 171 #define PNV10_XSCOM_PEC_PCI_SIZE   0x200
 172
 173 void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp);
 174 int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset,
 175                  uint64_t xscom_base, uint64_t xscom_size,
 176                  const char *compat, int compat_size);
 177
 178 void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset,
 179                              MemoryRegion *mr);
 180 void pnv_xscom_region_init(MemoryRegion *mr,
 181                            Object *owner,
 182                            const MemoryRegionOps *ops,
 183                            void *opaque,
 184                            const char *name,
 185                            uint64_t size);
 186
 187 #endif /* PPC_PNV_XSCOM_H */