1 /* 2 * ARM IoTKit system control element 3 * 4 * Copyright (c) 2018 Linaro Limited 5 * Written by Peter Maydell 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 or 9 * (at your option) any later version. 10 */ 11 12 /* 13 * This is a model of the "system control element" which is part of the 14 * Arm IoTKit and documented in 15 * http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ecm0601256/index.html 16 * Specifically, it implements the "system information block" and 17 * "system control register" blocks. 18 * 19 * QEMU interface: 20 * + sysbus MMIO region 0: the system information register bank 21 * + sysbus MMIO region 1: the system control register bank 22 */ 23 24 #ifndef HW_MISC_IOTKIT_SYSCTL_H 25 #define HW_MISC_IOTKIT_SYSCTL_H 26 27 #include "hw/sysbus.h" 28 29 #define TYPE_IOTKIT_SYSCTL "iotkit-sysctl" 30 #define IOTKIT_SYSCTL(obj) OBJECT_CHECK(IoTKitSysCtl, (obj), \ 31 TYPE_IOTKIT_SYSCTL) 32 33 typedef struct IoTKitSysCtl { 34 /*< private >*/ 35 SysBusDevice parent_obj; 36 37 /*< public >*/ 38 MemoryRegion iomem; 39 40 uint32_t secure_debug; 41 uint32_t reset_syndrome; 42 uint32_t reset_mask; 43 uint32_t gretreg; 44 uint32_t initsvrtor0; 45 uint32_t cpuwait; 46 uint32_t wicctrl; 47 } IoTKitSysCtl; 48 49 #endif 50