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 PnvChip PnvChip; 25 26 typedef struct PnvXScomInterface { 27 Object parent; 28 } PnvXScomInterface; 29 30 #define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface" 31 #define PNV_XSCOM_INTERFACE(obj) \ 32 OBJECT_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE) 33 #define PNV_XSCOM_INTERFACE_CLASS(klass) \ 34 OBJECT_CLASS_CHECK(PnvXScomInterfaceClass, (klass), \ 35 TYPE_PNV_XSCOM_INTERFACE) 36 #define PNV_XSCOM_INTERFACE_GET_CLASS(obj) \ 37 OBJECT_GET_CLASS(PnvXScomInterfaceClass, (obj), TYPE_PNV_XSCOM_INTERFACE) 38 39 typedef struct PnvXScomInterfaceClass { 40 InterfaceClass parent; 41 int (*populate)(PnvXScomInterface *dev, void *fdt, int offset); 42 } PnvXScomInterfaceClass; 43 44 /* 45 * Layout of the XSCOM PCB addresses of EX core 1 46 * 47 * GPIO 0x1100xxxx 48 * SCOM 0x1101xxxx 49 * OHA 0x1102xxxx 50 * CLOCK CTL 0x1103xxxx 51 * FIR 0x1104xxxx 52 * THERM 0x1105xxxx 53 * <reserved> 0x1106xxxx 54 * .. 55 * 0x110Exxxx 56 * PCB SLAVE 0x110Fxxxx 57 */ 58 59 #define PNV_XSCOM_EX_BASE 0x10000000 60 #define PNV_XSCOM_EX_CORE_BASE(i) (PNV_XSCOM_EX_BASE | (((uint64_t)i) << 24)) 61 #define PNV_XSCOM_EX_CORE_SIZE 0x100000 62 63 #define PNV_XSCOM_LPC_BASE 0xb0020 64 #define PNV_XSCOM_LPC_SIZE 0x4 65 66 extern void pnv_xscom_realize(PnvChip *chip, Error **errp); 67 extern int pnv_xscom_populate(PnvChip *chip, void *fdt, int offset); 68 69 extern void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset, 70 MemoryRegion *mr); 71 extern void pnv_xscom_region_init(MemoryRegion *mr, 72 struct Object *owner, 73 const MemoryRegionOps *ops, 74 void *opaque, 75 const char *name, 76 uint64_t size); 77 78 #endif /* _PPC_PNV_XSCOM_H */ 79