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History log of /src/sys/arch/arm/broadcom/bcm2835_mbox.c
RevisionDateAuthorComments
 1.17  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.16  24-Apr-2021  thorpej branches: 1.16.8;
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?).
 1.15  22-Feb-2020  jmcneill branches: 1.15.8;
RPi4 UEFI firmware 1.1 reports the wrong IRQ for the VC mailbox. Use
polling mode for now until this is sorted out.
 1.14  30-Dec-2019  jmcneill branches: 1.14.2;
Split bcm2835 mbox driver into separate fdt and acpi frontends.
 1.13  19-Aug-2018  rin Clean up leftover when converting intr_establish() to fdtbus_intr_establish().
The latter accept only flags 0 or FDT_INTR_MPSAFE. For both cases, it add
IST_LEVEL flag for underlying intr_establish() function.

OK skrll
 1.12  10-Dec-2017  skrll branches: 1.12.2; 1.12.4;
FDTise RapberryPI support. Thanks for jmcneill for a lot of help with this.

The kernel image that the RPI firmware boots is now netbsd.img in the
kernel build directory.

XXX fdtbus_get_reg needs reworking
 1.11  29-Jul-2015  skrll When expanding an inline function make sure you get the argument order
correct!

Now there's no functional change to expanding bcm2835_intr_establish
 1.10  29-Jul-2015  skrll Expand the bcm2835_intr_establish inline.

No functional change.
 1.9  15-Oct-2014  skrll branches: 1.9.2;
Whitespace.
 1.8  07-Oct-2014  skrll Mailbox improvements from mlelstv@

Serialise access to the mailbox and use interrupts.

XXX if (cold) should go
 1.7  02-Oct-2014  skrll Ensure correctness of bus_dmamap_sync operations. Shouldn't affect RPI.
 1.6  14-Apr-2013  skrll Trailing whitespace
 1.5  08-Jan-2013  skrll branches: 1.5.2;
Whitespace
 1.4  08-Jan-2013  jmcneill serialize bcmmbox_request
 1.3  07-Jan-2013  jmcneill allow for a single board specific device to attach to the mbox driver
 1.2  22-Aug-2012  jakllsch branches: 1.2.2; 1.2.4;
As we'll soon get boot-time information via the mailbox method, seperate
the actual access code into a seperate file that can be used by itself.
 1.1  20-Aug-2012  skrll First pass at a VC mailbox driver.
 1.2.4.4  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.2.4.3  23-Jan-2013  yamt sync with head
 1.2.4.2  30-Oct-2012  yamt sync with head
 1.2.4.1  22-Aug-2012  yamt file bcm2835_mbox.c was added on branch yamt-pagecache on 2012-10-30 17:18:59 +0000
 1.2.2.3  03-Dec-2017  jdolecek update from HEAD
 1.2.2.2  23-Jun-2013  tls resync from head
 1.2.2.1  25-Feb-2013  tls resync with head
 1.5.2.2  13-Feb-2013  riz Pull up following revision(s) (requested by skrll in ticket #813):

etc/MAKEDEV.tmpl 1.160
etc/etc.evbarm/MAKEDEV.conf 1.9
external/broadcom/rpi-firmware/dist/LICENCE.broadcom 1.1
external/broadcom/rpi-firmware/dist/bootcode.bin 1.1
external/broadcom/rpi-firmware/dist/bootcode.bin 1.2
external/broadcom/rpi-firmware/dist/fixup.dat 1.1
external/broadcom/rpi-firmware/dist/fixup.dat 1.2
external/broadcom/rpi-firmware/dist/fixup_cd.dat 1.1
external/broadcom/rpi-firmware/dist/fixup_cd.dat 1.2
external/broadcom/rpi-firmware/dist/start.elf 1.1
external/broadcom/rpi-firmware/dist/start.elf 1.2
external/broadcom/rpi-firmware/dist/start_cd.elf 1.1
external/broadcom/rpi-firmware/dist/start_cd.elf 1.2
sys/arch/arm/broadcom/bcm2835_bsc.c 1.1 via patch
sys/arch/arm/broadcom/bcm2835_bscreg.h 1.1 via patch
sys/arch/arm/broadcom/bcm2835_dotg.c 1.1 via patch
sys/arch/arm/broadcom/bcm2835_emmc.c 1.7 via patch
sys/arch/arm/broadcom/bcm2835_genfb.c 1.4 via patch
sys/arch/arm/broadcom/bcm2835_gpio_subr.c 1.2 via patch
sys/arch/arm/broadcom/bcm2835_gpio_subr.h 1.1 via patch
sys/arch/arm/broadcom/bcm2835_gpioreg.h 1.1 via patch
sys/arch/arm/broadcom/bcm2835_intr.c 1.3 via patch
sys/arch/arm/broadcom/bcm2835_mbox.c 1.5 via patch
sys/arch/arm/broadcom/bcm2835_mbox.h 1.4 via patch
sys/arch/arm/broadcom/bcm2835_obio.c 1.17 via patch
sys/arch/arm/broadcom/bcm2835_pm.c 1.2 via patch
sys/arch/arm/broadcom/bcm2835_rng.c 1.3 via patch
sys/arch/arm/broadcom/bcm2835_space.c 1.5 via patch
sys/arch/arm/broadcom/bcm2835_spi.c 1.1 via patch
sys/arch/arm/broadcom/bcm2835_spireg.h 1.1 via patch
sys/arch/arm/broadcom/bcm2835_tmr.c 1.3 via patch
sys/arch/arm/broadcom/bcm2835reg.h 1.10 via patch
sys/arch/arm/broadcom/files.bcm2835 1.14 via patch
sys/arch/evbarm/conf/RPI 1.23 via patch
sys/arch/evbarm/conf/files.rpi 1.3 via patch
sys/arch/evbarm/conf/mk.rpi 1.2 via patch
sys/arch/evbarm/conf/std.rpi 1.4 via patch
sys/arch/evbarm/rpi/rpi_machdep.c 1.34 via patch
sys/arch/evbarm/rpi/rpi_start.S 1.7 via patch
sys/arch/evbarm/rpi/rpi_vcmbox.c 1.2 via patch
sys/arch/evbarm/rpi/vcio.h 1.1 via patch
sys/arch/evbarm/rpi/vcprop.h 1.7 via patch
sys/conf/files patch
sys/dev/sdmmc/sdhc.c 1.43
sys/dev/sdmmc/sdhcvar.h 1.13
sys/dev/usb/dwc_otg.c 1.45 via patch
sys/dev/usb/dwc_otgreg.h 1.5 via patch
sys/dev/usb/dwc_otgvar.h 1.11 via patch
sys/dev/usb/files.usb 1.126 via patch
sys/dev/usb/if_smsc.c 1.7 via patch
sys/dev/usb/if_smscreg.h 1.1 via patch
sys/dev/usb/if_smscvar.h 1.1 via patch
sys/dev/usb/usbdevices.config patch
sys/dev/usb/usbdevs 1.633 via patch
sys/dev/usb/usbdevs.h regen
sys/dev/usb/usbdevs_data.h regen
sys/dev/wscons/wsconsio.h 1.105,1.107 via patch
sys/dev/wscons/wsdisplayvar.h 1.50
sys/dev/wscons/wsdisplay_util.c 1.2
sys/dev/videomode/edid.c 1.12 via patch

Greatly improved Raspberry Pi support. USB and onboard
Ethernet should work.
[skrll, ticket #813]
 1.5.2.1  08-Jan-2013  riz file bcm2835_mbox.c was added on branch netbsd-6 on 2013-02-13 01:36:14 +0000
 1.9.2.1  22-Sep-2015  skrll Sync with HEAD
 1.12.4.2  08-Apr-2020  martin Merge changes from current as of 20200406
 1.12.4.1  10-Jun-2019  christos Sync with HEAD
 1.12.2.1  06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.14.2.1  29-Feb-2020  ad Sync with head.
 1.15.8.1  23-Mar-2021  thorpej Convert config_found_ia() call sites where the device only carries
a single interface attribute to bare config_found() calls.
 1.16.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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