blob: a873dc5cb01d8e6dd5d7b64202e773206b57d563 [file] [log] [blame]
/*
* Copyright (c) 2020 Xilinx Inc.
*
* 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_VERSAL_EFUSE_H
#define XLNX_VERSAL_EFUSE_H
#include "hw/irq.h"
#include "hw/sysbus.h"
#include "hw/register.h"
#include "hw/nvram/xlnx-efuse.h"
#define XLNX_VERSAL_EFUSE_CTRL_R_MAX ((0x100 / 4) + 1)
#define TYPE_XLNX_VERSAL_EFUSE_CTRL "xlnx,versal-efuse"
#define TYPE_XLNX_VERSAL_EFUSE_CACHE "xlnx,pmc-efuse-cache"
OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalEFuseCtrl, XLNX_VERSAL_EFUSE_CTRL);
OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalEFuseCache, XLNX_VERSAL_EFUSE_CACHE);
struct XlnxVersalEFuseCtrl {
SysBusDevice parent_obj;
qemu_irq irq_efuse_imr;
XlnxEFuse *efuse;
void *extra_pg0_lock_spec; /* Opaque property */
uint32_t extra_pg0_lock_n16;
uint32_t regs[XLNX_VERSAL_EFUSE_CTRL_R_MAX];
RegisterInfo regs_info[XLNX_VERSAL_EFUSE_CTRL_R_MAX];
};
struct XlnxVersalEFuseCache {
SysBusDevice parent_obj;
MemoryRegion iomem;
XlnxEFuse *efuse;
};
/**
* xlnx_versal_efuse_read_row:
* @s: the efuse object
* @bit: the bit-address within the 32-bit row to be read
* @denied: if non-NULL, to receive true if the row is write-only
*
* Returns: the 32-bit word containing address @bit; 0 if @denies is true
*/
uint32_t xlnx_versal_efuse_read_row(XlnxEFuse *s, uint32_t bit, bool *denied);
#endif