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History log of /src/sys/arch/arm/fdt/gtmr_fdt.c
RevisionDateAuthorComments
 1.12  12-Nov-2021  jmcneill gtmr: Add support for arm,cpu-registers-not-fw-configured property.

On armv7, arm,cpu-registers-not-fw-configured means that firmware hasn't
bothered to configure any generic timer registers and we need to
initialize cntfrq ourselves.
 1.11  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.10  24-Apr-2021  thorpej branches: 1.10.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).
 1.9  27-Jan-2021  thorpej branches: 1.9.2;
Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.
 1.8  15-Jan-2021  ryo use fdtbus_intr_establish_xname
 1.7  30-Nov-2017  skrll branches: 1.7.2; 1.7.18;
typo
 1.6  30-Nov-2017  skrll When attaching gtmr at fdt use fdtbus_intr_establish to establish the
gtmr interrupt.
 1.5  24-Aug-2017  jmcneill branches: 1.5.2;
Add __HAVE_GENERIC_CPU_INITCLOCKS option. If set, don't export
cpu_initclocks from device drivers as common code (in this case FDT) will
provide its own copy.
 1.4  20-Jul-2017  jmcneill Match arm,armv8-timer compat string
 1.3  30-May-2017  jmcneill Use an FDT-based ARM_INTR_IMPL for Tegra.
 1.2  30-May-2017  jmcneill Allow ARM FDT drivers to register per-cpu init callbacks. Run through this
callback list when a CPU hatches instead of calling gtmr_init_cpu_clock
directly.
 1.1  28-May-2017  jmcneill Enumerate CPUs, GIC, and generic timer using FDT data instead of relying
on hard-coded tables in mainbus.
 1.5.2.2  28-Aug-2017  skrll Sync with HEAD
 1.5.2.1  24-Aug-2017  skrll file gtmr_fdt.c was added on branch nick-nhusb on 2017-08-28 17:51:30 +0000
 1.7.18.1  03-Apr-2021  thorpej Sync with HEAD.
 1.7.2.2  03-Dec-2017  jdolecek update from HEAD
 1.7.2.1  30-Nov-2017  jdolecek file gtmr_fdt.c was added on branch tls-maxphys on 2017-12-03 11:35:52 +0000
 1.9.2.1  21-Mar-2021  thorpej Give config_found() the same variadic arguments treatment as
config_search(). This commit only adds the CFARG_EOL sentinel
to the existing config_found() calls. Conversion of config_found_sm_loc()
and config_found_ia() call sites will be in subsequent commits.
 1.10.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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