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20 lines
692 B
20 lines
692 B
What: /sys/devices/*/<our-device>/nvmem |
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Date: December 2017 |
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Contact: PrasannaKumar Muralidharan <[email protected]> |
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Description: read-only access to the efuse on the Ingenic JZ4780 SoC |
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The SoC has a one time programmable 8K efuse that is |
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split into segments. The driver supports read only. |
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The segments are: |
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===== ======== ================= |
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0x000 64 bit Random Number |
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0x008 128 bit Ingenic Chip ID |
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0x018 128 bit Customer ID |
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0x028 3520 bit Reserved |
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0x1E0 8 bit Protect Segment |
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0x1E1 2296 bit HDMI Key |
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0x300 2048 bit Security boot key |
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===== ======== ================= |
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Users: any user space application which wants to read the Chip |
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and Customer ID
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