9a52d9992f
The MPS2 AN505 FPGA image includes a "FPGA control block" which is a small set of registers handling LEDs, buttons and some counters. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180220180325.29818-14-peter.maydell@linaro.org
44 lines
986 B
C
44 lines
986 B
C
/*
|
|
* ARM MPS2 FPGAIO emulation
|
|
*
|
|
* Copyright (c) 2018 Linaro Limited
|
|
* Written by Peter Maydell
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
/* This is a model of the FPGAIO register block in the AN505
|
|
* FPGA image for the MPS2 dev board; it is documented in the
|
|
* application note:
|
|
* http://infocenter.arm.com/help/topic/com.arm.doc.dai0505b/index.html
|
|
*
|
|
* QEMU interface:
|
|
* + sysbus MMIO region 0: the register bank
|
|
*/
|
|
|
|
#ifndef MPS2_FPGAIO_H
|
|
#define MPS2_FPGAIO_H
|
|
|
|
#include "hw/sysbus.h"
|
|
|
|
#define TYPE_MPS2_FPGAIO "mps2-fpgaio"
|
|
#define MPS2_FPGAIO(obj) OBJECT_CHECK(MPS2FPGAIO, (obj), TYPE_MPS2_FPGAIO)
|
|
|
|
typedef struct {
|
|
/*< private >*/
|
|
SysBusDevice parent_obj;
|
|
|
|
/*< public >*/
|
|
MemoryRegion iomem;
|
|
|
|
uint32_t led0;
|
|
uint32_t prescale;
|
|
uint32_t misc;
|
|
|
|
uint32_t prescale_clk;
|
|
} MPS2FPGAIO;
|
|
|
|
#endif
|