with geom_flashmap(4) and teach it about MMC for slicing enhanced
user data area partitions. The FDT slicer still is the default for
CFI, NAND and SPI flash on FDT-enabled platforms.
- In addition to a device_t, also pass the name of the GEOM provider
in question to the slicers as a single device may provide more than
provider.
- Build a geom_flashmap.ko.
- Use MODULE_VERSION() so other modules can depend on geom_flashmap(4).
- Remove redundant/superfluous GEOM routines that either do nothing
or provide/just call default GEOM (slice) functionality.
- Trim/adjust includes
Submitted by: jhibbits (RouterBoard bits)
Reviewed by: jhibbits
Without creating a LAW entry, any access to the NAND hangs the CPU.
The original intent was to add a quirk to map all of the RouterBoard's LBC
address space in one shot, which would fix it for both NAND and the CF, and
that's probably still in the cards. However, for now, this makes NAND usable
without a separate hack.
Things left before the RouterBoard can run standalone:
* Add partitions to the NAND (not specified by the FDT, which we currently
require).
* Create a YAFFS partition for the kernel. The Mikrotik boot loader requires a
4MB partition at the beginning of NAND, with a file called 'kernel' in the
root.
Summary:
This has been tested on the RB800, but should work on the RB333, RB600, and
RB1100 as well.
It's currently missing ECC support, but read and write are complete.
Reviewers: imp
Reviewed By: imp
Subscribers: imp
Differential Revision: https://reviews.freebsd.org/D2223
