48 lines
990 B
C
48 lines
990 B
C
// SPDX-License-Identifier: GPL-2.0+
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// SPDX-FileCopyrightText: 2024 CERN (home.cern)
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#include <bootcount.h>
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#include <dm.h>
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#include <stdio.h>
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#include <zynqmp_firmware.h>
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#include <asm/arch/hardware.h>
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#include <dm/platdata.h>
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static int bootcount_zynqmp_set(struct udevice *dev, const u32 val)
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{
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int ret;
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ret = zynqmp_mmio_write((ulong)&pmu_base->pers_gen_storage2, 0xFF, val);
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if (ret)
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pr_info("%s write fail\n", __func__);
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return ret;
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}
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static int bootcount_zynqmp_get(struct udevice *dev, u32 *val)
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{
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int ret;
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*val = 0;
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ret = zynqmp_mmio_read((ulong)&pmu_base->pers_gen_storage2, val);
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if (ret)
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pr_info("%s read fail\n", __func__);
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return ret;
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}
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U_BOOT_DRVINFO(bootcount_zynqmp) = {
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.name = "bootcount_zynqmp",
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};
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static const struct bootcount_ops bootcount_zynqmp_ops = {
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.get = bootcount_zynqmp_get,
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.set = bootcount_zynqmp_set,
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};
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U_BOOT_DRIVER(bootcount_zynqmp) = {
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.name = "bootcount_zynqmp",
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.id = UCLASS_BOOTCOUNT,
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.ops = &bootcount_zynqmp_ops,
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};
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