55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
|
|
* QEMU model of the Xilinx BBRAM Battery Backed RAM
|
|
*
|
|
* Copyright (c) 2015-2021 Xilinx Inc.
|
|
*
|
|
* Written by Edgar E. Iglesias <edgari@xilinx.com>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#ifndef XLNX_BBRAM_H
|
|
#define XLNX_BBRAM_H
|
|
|
|
#include "sysemu/block-backend.h"
|
|
#include "hw/qdev-core.h"
|
|
#include "hw/irq.h"
|
|
#include "hw/sysbus.h"
|
|
#include "hw/register.h"
|
|
|
|
#define RMAX_XLNX_BBRAM ((0x4c / 4) + 1)
|
|
|
|
#define TYPE_XLNX_BBRAM "xlnx,bbram-ctrl"
|
|
OBJECT_DECLARE_SIMPLE_TYPE(XlnxBBRam, XLNX_BBRAM);
|
|
|
|
struct XlnxBBRam {
|
|
SysBusDevice parent_obj;
|
|
qemu_irq irq_bbram;
|
|
|
|
BlockBackend *blk;
|
|
|
|
uint32_t crc_zpads;
|
|
bool bbram8_wo;
|
|
bool blk_ro;
|
|
|
|
uint32_t regs[RMAX_XLNX_BBRAM];
|
|
RegisterInfo regs_info[RMAX_XLNX_BBRAM];
|
|
};
|
|
|
|
#endif
|