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