1 /* 2 * QEMU PowerPC PowerNV Emulation of a few OCC related registers 3 * 4 * Copyright (c) 2015-2022, 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_OCC_H 21 #define PPC_PNV_OCC_H 22 23 #include "system/memory.h" 24 #include "hw/qdev-core.h" 25 26 #define TYPE_PNV_OCC "pnv-occ" 27 OBJECT_DECLARE_TYPE(PnvOCC, PnvOCCClass, 28 PNV_OCC) 29 #define TYPE_PNV8_OCC TYPE_PNV_OCC "-POWER8" 30 DECLARE_INSTANCE_CHECKER(PnvOCC, PNV8_OCC, 31 TYPE_PNV8_OCC) 32 #define TYPE_PNV9_OCC TYPE_PNV_OCC "-POWER9" 33 DECLARE_INSTANCE_CHECKER(PnvOCC, PNV9_OCC, 34 TYPE_PNV9_OCC) 35 #define TYPE_PNV10_OCC TYPE_PNV_OCC "-POWER10" 36 DECLARE_INSTANCE_CHECKER(PnvOCC, PNV10_OCC, TYPE_PNV10_OCC) 37 38 #define PNV_OCC_SENSOR_DATA_BLOCK_OFFSET 0x00580000 39 #define PNV_OCC_SENSOR_DATA_BLOCK_SIZE 0x00025800 40 41 struct PnvOCC { 42 DeviceState xd; 43 44 /* OCC dynamic model is driven by this timer. */ 45 QEMUTimer state_machine_timer; 46 47 /* OCC Misc interrupt */ 48 uint64_t occmisc; 49 50 qemu_irq psi_irq; 51 52 /* OCCs operate on regions of HOMER memory */ 53 PnvHomer *homer; 54 55 MemoryRegion xscom_regs; 56 MemoryRegion sram_regs; 57 }; 58 59 struct PnvOCCClass { 60 DeviceClass parent_class; 61 62 hwaddr opal_shared_memory_offset; /* offset in HOMER */ 63 uint8_t opal_shared_memory_version; 64 65 int xscom_size; 66 const MemoryRegionOps *xscom_ops; 67 }; 68 69 #define PNV_OCC_SENSOR_DATA_BLOCK_BASE(i) \ 70 (PNV_OCC_SENSOR_DATA_BLOCK_OFFSET + (i) * PNV_OCC_SENSOR_DATA_BLOCK_SIZE) 71 72 #endif /* PPC_PNV_OCC_H */ 73