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 #ifndef _PPC_PNV_XSCOM_H 20 #define _PPC_PNV_XSCOM_H 21 22 #include "qom/object.h" 23 24 typedef struct PnvXScomInterface { 25 Object parent; 26 } PnvXScomInterface; 27 28 #define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface" 29 #define PNV_XSCOM_INTERFACE(obj) \ 30 OBJECT_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE) 31 #define PNV_XSCOM_INTERFACE_CLASS(klass) \ 32 OBJECT_CLASS_CHECK(PnvXScomInterfaceClass, (klass), \ 33 TYPE_PNV_XSCOM_INTERFACE) 34 #define PNV_XSCOM_INTERFACE_GET_CLASS(obj) \ 35 OBJECT_GET_CLASS(PnvXScomInterfaceClass, (obj), TYPE_PNV_XSCOM_INTERFACE) 36 37 typedef struct PnvXScomInterfaceClass { 38 InterfaceClass parent; 39 int (*populate)(PnvXScomInterface *dev, void *fdt, int offset); 40 } PnvXScomInterfaceClass; 41 42 /* 43 * Layout of the XSCOM PCB addresses of EX core 1 (POWER 8) 44 * 45 * GPIO 0x1100xxxx 46 * SCOM 0x1101xxxx 47 * OHA 0x1102xxxx 48 * CLOCK CTL 0x1103xxxx 49 * FIR 0x1104xxxx 50 * THERM 0x1105xxxx 51 * <reserved> 0x1106xxxx 52 * .. 53 * 0x110Exxxx 54 * PCB SLAVE 0x110Fxxxx 55 */ 56 57 #define PNV_XSCOM_EX_CORE_BASE(base, i) (base | (((uint64_t)i) << 24)) 58 #define PNV_XSCOM_EX_CORE_SIZE 0x100000 59 60 #define PNV_XSCOM_LPC_BASE 0xb0020 61 #define PNV_XSCOM_LPC_SIZE 0x4 62 63 extern void pnv_xscom_realize(PnvChip *chip, Error **errp); 64 extern int pnv_xscom_populate(PnvChip *chip, void *fdt, int offset); 65 66 extern void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset, 67 MemoryRegion *mr); 68 extern void pnv_xscom_region_init(MemoryRegion *mr, 69 struct Object *owner, 70 const MemoryRegionOps *ops, 71 void *opaque, 72 const char *name, 73 uint64_t size); 74 75 #endif /* _PPC_PNV_XSCOM_H */ 76