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Update link to `flashchips.h` (#3464)

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Roger D. Winans 2021-09-08 01:58:38 -04:00 committed by GitHub
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docs/flash.md
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@ -86,4 +86,4 @@ If this data gets corrupted or you are upgrading major SDK versions, then the fi
The easiest way to determine the flash capacity is to load the firmware and then `print(node.info'hw'.flash_size)` which reports the flash size in Kb. Alternatively, if you want to determine the capacity of the flash chip _before_ a firmware is installed then you can run the following command. This will return a 2 hex digit **Manufacturer** ID and a 4 digit **Device** ID and the detected flash size. The easiest way to determine the flash capacity is to load the firmware and then `print(node.info'hw'.flash_size)` which reports the flash size in Kb. Alternatively, if you want to determine the capacity of the flash chip _before_ a firmware is installed then you can run the following command. This will return a 2 hex digit **Manufacturer** ID and a 4 digit **Device** ID and the detected flash size.
`esptool.py --port <serial-port> flash_id` `esptool.py --port <serial-port> flash_id`
The chip ID can then be looked up in [https://review.coreboot.org/cgit/flashrom.git/tree/flashchips.h](https://review.coreboot.org/cgit/flashrom.git/tree/flashchips.h). The chip ID can then be looked up in <https://review.coreboot.org/plugins/gitiles/flashrom/+/refs/heads/master/flashchips.h>.