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remove remaining flashrom remnants (use flashprog)

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we use flashprog now!

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2024-01-27 22:37:39 +00:00
parent 36ddd6f658
commit 77770f5ad8
3 changed files with 5 additions and 43 deletions
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util/dell-flash-unlock/README.md
+4 -4
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@@ -1,6 +1,6 @@
# Dell Laptop Internal Flashing
This utility allows you to use flashrom's internal programmer to program the
This utility allows you to use flashprog's internal programmer to program the
entire BIOS flash chip from software while still running the original Dell
BIOS, which normally restricts software writes to the flash chip. It seems like
this works on any Dell laptop that has an EC similar to the SMSC MEC5035 on the
@@ -55,7 +55,7 @@ please test the utility and report whether or not it actually works for you.
for the first time, which will tell the EC to set the descriptor override on
the next boot. Then you will need to shut down the system, after which the
system will automatically boot up. You should then re-run the utility to
disable SMM, after which you can run flashrom. Finally, you should run the
disable SMM, after which you can run flashprog. Finally, you should run the
utility a third time to reenable SMM so that shutdown works properly
afterwards.
- On 1st Generation Intel Core systems such as the E6410 and newer, run the
@@ -78,7 +78,7 @@ each region of the flash, which are enforced by the chipset.
On the Latitude E6400, the host has read-only access to the IFD, no access to
the ME region, and read-write access to the PD, GBE, and BIOS regions. In order
for flashrom to write to the entire flash internally, the host needs full
for flashprog to write to the entire flash internally, the host needs full
permissions to all of these regions. Since the IFD is read only, we cannot
change these permissions unless we directly access the chip using an external
programmer, which defeats the purpose of internal flashing.
@@ -107,7 +107,7 @@ that the BIOSWE bit was never set to 1. Unfortunately, the BLE bit cannot be
set back to 0 once it is set to 1, so this functionality cannot be disabled
after it is first enabled by the BIOS.
Older versions of the E6400 BIOS did not set the BLE bit, allowing flashrom to
Older versions of the E6400 BIOS did not set the BLE bit, allowing flashprog to
flash the entire flash chip internally after only setting the descriptor
override. However, more recent versions do set it, so we may have hit a dead
end unless we force downgrade to an older version (though there is a more