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hw/nvram: Introduce Xilinx ZynqMP eFuse device

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This implements the Xilinx ZynqMP eFuse, an one-time
field-programmable non-volatile storage device.  There is
only one such device in the Xilinx ZynqMP product family.

Co-authored-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Co-authored-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Signed-off-by: Tong Ho <tong.ho@xilinx.com>
Message-id: 20210917052400.1249094-4-tong.ho@xilinx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Tong Ho 2021-09-16 22:23:54 -07:00 • committed by Peter Maydell
parent 9e4aa1fafe
commit 67fa02f89f
4 changed files with 905 additions and 0 deletions
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44
include/hw/nvram/xlnx-zynqmp-efuse.h Normal file
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/*
* Copyright (c) 2021 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_ZYNQMP_EFUSE_H
#define XLNX_ZYNQMP_EFUSE_H
#include "hw/irq.h"
#include "hw/sysbus.h"
#include "hw/register.h"
#include "hw/nvram/xlnx-efuse.h"
#define XLNX_ZYNQMP_EFUSE_R_MAX ((0x10fc / 4) + 1)
#define TYPE_XLNX_ZYNQMP_EFUSE "xlnx,zynqmp-efuse"
OBJECT_DECLARE_SIMPLE_TYPE(XlnxZynqMPEFuse, XLNX_ZYNQMP_EFUSE);
struct XlnxZynqMPEFuse {
SysBusDevice parent_obj;
qemu_irq irq;
XlnxEFuse *efuse;
uint32_t regs[XLNX_ZYNQMP_EFUSE_R_MAX];
RegisterInfo regs_info[XLNX_ZYNQMP_EFUSE_R_MAX];
};
#endif