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path: root/sys/dev/cfi/cfi_dev.c
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* Add cfid, a disk interface to CFI flash devices; this enables constructionsam2009-03-091-2/+2
| | | | | | of flash-based filesystems. Note this is not interlocked against the raw CFI device.
* Add support for frobbing Intel StrataFlash Protection Registers:sam2009-02-051-2/+20
| | | | | | | | | | | | | | 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
* reorg ioctl code to simplify adding new requestssam2009-02-031-16/+21
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* Add a driver for flash memory that implements to the Common Flashmarcel2008-10-251-0/+277
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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