1 /* 2 * ARM MPS2 FPGAIO emulation 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 /* This is a model of the FPGAIO register block in the AN505 13 * FPGA image for the MPS2 dev board; it is documented in the 14 * application note: 15 * http://infocenter.arm.com/help/topic/com.arm.doc.dai0505b/index.html 16 * 17 * QEMU interface: 18 * + sysbus MMIO region 0: the register bank 19 */ 20 21 #ifndef MPS2_FPGAIO_H 22 #define MPS2_FPGAIO_H 23 24 #include "hw/sysbus.h" 25 26 #define TYPE_MPS2_FPGAIO "mps2-fpgaio" 27 #define MPS2_FPGAIO(obj) OBJECT_CHECK(MPS2FPGAIO, (obj), TYPE_MPS2_FPGAIO) 28 29 typedef struct { 30 /*< private >*/ 31 SysBusDevice parent_obj; 32 33 /*< public >*/ 34 MemoryRegion iomem; 35 36 uint32_t led0; 37 uint32_t prescale; 38 uint32_t misc; 39 40 uint32_t prescale_clk; 41 } MPS2FPGAIO; 42 43 #endif 44