diff options
Diffstat (limited to 'include/hw/nvram/xlnx-bbram.h')
-rw-r--r-- | include/hw/nvram/xlnx-bbram.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/hw/nvram/xlnx-bbram.h b/include/hw/nvram/xlnx-bbram.h new file mode 100644 index 000000000..87d59ef3c --- /dev/null +++ b/include/hw/nvram/xlnx-bbram.h @@ -0,0 +1,54 @@ +/* + * 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 |