45 lines
895 B
C
45 lines
895 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2021 MediaTek Inc.
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*/
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#include <linux/platform_device.h>
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#include "apusys_secure.h"
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#include "apu_regdump.h"
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static struct platform_device *g_apu_pdev;
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static struct mutex regdump_lock;
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static uint32_t apusys_rv_smc_call(struct device *dev, uint32_t smc_id,
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uint32_t a2)
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{
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struct arm_smccc_res res;
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arm_smccc_smc(MTK_SIP_APUSYS_CONTROL, smc_id,
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a2, 0, 0, 0, 0, 0, &res);
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if (((int) res.a0) < 0)
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dev_info(dev, "%s: smc call %d return error(%d)\n",
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__func__,
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smc_id, res.a0);
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return res.a0;
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}
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void apu_regdump(void)
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{
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dev_info(&g_apu_pdev->dev, "%s +\n", __func__);
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mutex_lock(®dump_lock);
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apusys_rv_smc_call(&g_apu_pdev->dev,
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MTK_APUSYS_KERNEL_OP_APUSYS_REGDUMP, 0);
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mutex_unlock(®dump_lock);
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}
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void apu_regdump_init(struct platform_device *pdev)
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{
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g_apu_pdev = pdev;
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mutex_init(®dump_lock);
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}
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