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 typedef struct PnvXScomInterfaceClass PnvXScomInterfaceClass; 31 DECLARE_CLASS_CHECKERS(PnvXScomInterfaceClass, PNV_XSCOM_INTERFACE, 32 TYPE_PNV_XSCOM_INTERFACE) 33 34 struct PnvXScomInterfaceClass { 35 InterfaceClass parent; 36 int (*dt_xscom)(PnvXScomInterface *dev, void *fdt, int offset); 37 }; 38 39 /* 40 * Layout of the XSCOM PCB addresses of EX core 1 (POWER 8) 41 * 42 * GPIO 0x1100xxxx 43 * SCOM 0x1101xxxx 44 * OHA 0x1102xxxx 45 * CLOCK CTL 0x1103xxxx 46 * FIR 0x1104xxxx 47 * THERM 0x1105xxxx 48 * <reserved> 0x1106xxxx 49 * .. 50 * 0x110Exxxx 51 * PCB SLAVE 0x110Fxxxx 52 */ 53 54 #define PNV_XSCOM_EX_CORE_BASE 0x10000000ull 55 56 #define PNV_XSCOM_EX_BASE(core) \ 57 (PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24)) 58 #define PNV_XSCOM_EX_SIZE 0x100000 59 60 #define PNV_XSCOM_LPC_BASE 0xb0020 61 #define PNV_XSCOM_LPC_SIZE 0x4 62 63 #define PNV_XSCOM_PSIHB_BASE 0x2010900 64 #define PNV_XSCOM_PSIHB_SIZE 0x20 65 66 #define PNV_XSCOM_OCC_BASE 0x0066000 67 #define PNV_XSCOM_OCC_SIZE 0x6000 68 69 #define PNV_XSCOM_PBA_BASE 0x2013f00 70 #define PNV_XSCOM_PBA_SIZE 0x40 71 72 #define PNV_XSCOM_PBCQ_NEST_BASE 0x2012000 73 #define PNV_XSCOM_PBCQ_NEST_SIZE 0x46 74 75 #define PNV_XSCOM_PBCQ_PCI_BASE 0x9012000 76 #define PNV_XSCOM_PBCQ_PCI_SIZE 0x15 77 78 #define PNV_XSCOM_PBCQ_SPCI_BASE 0x9013c00 79 #define PNV_XSCOM_PBCQ_SPCI_SIZE 0x5 80 81 /* 82 * Layout of the XSCOM PCB addresses (POWER 9) 83 */ 84 #define PNV9_XSCOM_EC_BASE(core) \ 85 ((uint64_t)(((core) & 0x1F) + 0x20) << 24) 86 #define PNV9_XSCOM_EC_SIZE 0x100000 87 88 #define PNV9_XSCOM_EQ_BASE(core) \ 89 ((uint64_t)(((core) & 0x1C) + 0x40) << 22) 90 #define PNV9_XSCOM_EQ_SIZE 0x100000 91 92 #define PNV9_XSCOM_OCC_BASE PNV_XSCOM_OCC_BASE 93 #define PNV9_XSCOM_OCC_SIZE 0x8000 94 95 #define PNV9_XSCOM_PBA_BASE 0x5012b00 96 #define PNV9_XSCOM_PBA_SIZE 0x40 97 98 #define PNV9_XSCOM_PSIHB_BASE 0x5012900 99 #define PNV9_XSCOM_PSIHB_SIZE 0x100 100 101 #define PNV9_XSCOM_XIVE_BASE 0x5013000 102 #define PNV9_XSCOM_XIVE_SIZE 0x300 103 104 #define PNV9_XSCOM_PEC_NEST_BASE 0x4010c00 105 #define PNV9_XSCOM_PEC_NEST_SIZE 0x100 106 107 #define PNV9_XSCOM_PEC_PCI_BASE 0xd010800 108 #define PNV9_XSCOM_PEC_PCI_SIZE 0x200 109 110 /* XSCOM PCI "pass-through" window to PHB SCOM */ 111 #define PNV9_XSCOM_PEC_PCI_STK0 0x100 112 #define PNV9_XSCOM_PEC_PCI_STK1 0x140 113 #define PNV9_XSCOM_PEC_PCI_STK2 0x180 114 115 /* 116 * Layout of the XSCOM PCB addresses (POWER 10) 117 */ 118 #define PNV10_XSCOM_EQ_CHIPLET(core) (0x20 + ((core) >> 2)) 119 #define PNV10_XSCOM_EQ(chiplet) ((chiplet) << 24) 120 #define PNV10_XSCOM_EC(proc) \ 121 ((0x2 << 16) | ((1 << (3 - (proc))) << 12)) 122 123 #define PNV10_XSCOM_EQ_BASE(core) \ 124 ((uint64_t) PNV10_XSCOM_EQ(PNV10_XSCOM_EQ_CHIPLET(core))) 125 #define PNV10_XSCOM_EQ_SIZE 0x100000 126 127 #define PNV10_XSCOM_EC_BASE(core) \ 128 ((uint64_t) PNV10_XSCOM_EQ_BASE(core) | PNV10_XSCOM_EC(core & 0x3)) 129 #define PNV10_XSCOM_EC_SIZE 0x100000 130 131 #define PNV10_XSCOM_PSIHB_BASE 0x3011D00 132 #define PNV10_XSCOM_PSIHB_SIZE 0x100 133 134 void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp); 135 int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset, 136 uint64_t xscom_base, uint64_t xscom_size, 137 const char *compat, int compat_size); 138 139 void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset, 140 MemoryRegion *mr); 141 void pnv_xscom_region_init(MemoryRegion *mr, 142 struct Object *owner, 143 const MemoryRegionOps *ops, 144 void *opaque, 145 const char *name, 146 uint64_t size); 147 148 #endif /* PPC_PNV_XSCOM_H */ 149