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https://github.com/zephyrproject-rtos/zephyr
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c3533472c1
Add HWINFO support for MIMXRT1180 Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
/*
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* Copyright (c) 2019 Alexander Wachter
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <soc.h>
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#include <zephyr/drivers/hwinfo.h>
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#include <string.h>
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#include <zephyr/sys/byteorder.h>
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struct imxrt_uid {
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#if CONFIG_SOC_SERIES_IMXRT118X
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uint32_t id[4];
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#else
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uint32_t id[2];
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#endif
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};
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ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
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{
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struct imxrt_uid dev_id;
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#ifdef CONFIG_SOC_SERIES_IMXRT11XX
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dev_id.id[0] = sys_cpu_to_be32(OCOTP->FUSEN[17].FUSE);
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dev_id.id[1] = sys_cpu_to_be32(OCOTP->FUSEN[16].FUSE);
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#elif CONFIG_SOC_SERIES_IMXRT118X
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dev_id.id[0] = sys_cpu_to_be32(OCOTP_FSB->OTP_SHADOW_PARTA[15]);
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dev_id.id[1] = sys_cpu_to_be32(OCOTP_FSB->OTP_SHADOW_PARTA[14]);
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dev_id.id[2] = sys_cpu_to_be32(OCOTP_FSB->OTP_SHADOW_PARTA[13]);
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dev_id.id[3] = sys_cpu_to_be32(OCOTP_FSB->OTP_SHADOW_PARTA[12]);
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#else
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dev_id.id[0] = sys_cpu_to_be32(OCOTP->CFG2);
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dev_id.id[1] = sys_cpu_to_be32(OCOTP->CFG1);
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#endif
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if (length > sizeof(dev_id.id)) {
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length = sizeof(dev_id.id);
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}
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memcpy(buffer, dev_id.id, length);
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return length;
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}
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