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Diffstat (limited to 'Documentation/tutorial/flashing_firmware/int_flashrom.md')
-rw-r--r-- | Documentation/tutorial/flashing_firmware/int_flashrom.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/tutorial/flashing_firmware/int_flashrom.md b/Documentation/tutorial/flashing_firmware/int_flashrom.md new file mode 100644 index 000000000000..982aca287d2a --- /dev/null +++ b/Documentation/tutorial/flashing_firmware/int_flashrom.md @@ -0,0 +1,19 @@ +# Flashing firmware internally + +**WARNING:** If you flash a broken firmware and have no recovery mechanism, you + must use the **external method** to flash a working firmware again. + +## Using flashrom +This method does only work on Linux, if it isn't locked down. +You may also need to boot with `iomem=relaxed` in the kernel command +line if CONFIG_IO_STRICT_DEVMEM is set. + + +For more details please also check [flashrom's wiki]. +Use the programmer *internal* to flash *coreboot.rom* internally: + +```bash +flashrom -p internal -w coreboot.rom +``` + +[flashrom's wiki]: https://www.flashrom.org/Flashrom |