| Commit message (Collapse) | Author | Age | Files | Lines |
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this fixes geom_redboot on boards that have multiple parts/regions as it
uses the value to locate the FIS directory which is in the last erase
region of flash
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of flash-based filesystems.
Note this is not interlocked against the raw CFI device.
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Submitted by: Christoph Mallon <christoph.mallon@gmx.de>
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of the PR; this register is actually write-once so deserves the
safety-belt as much as the PLR
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o add CFI_SUPPORT_STRATAFLASH compile option to enable support
o add new ioctls to get/set the factory and user/oem segments of the PR
and to get/set Protection Lock Register that fuses the user segment
o add #defines for bits in the status register
o update cfi_wait_ready to take an offset so it can be used to wait for
PR write completion and replace constants w/ symbolic names
Note: writing the user segment isn't correct; committing now to get review.
Sponsored by: Carlson Wireless
Reviewed by: imp, Chris Anderson
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this is needed for the moment to workaround bus shim issues
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Memory Interface (CFI). The flash memory can be read and written
to through /dev/cfi# and an ioctl() exists so processes can read
the query information.
The driver supports the AMD and Intel command set, though only
the AMD command has been tested.
Obtained from: Juniper Networks, Inc.
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