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201a1f34da
freebsd-dev/sys/arm/broadcom/bcm2835
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Andrew Turner 201a1f34da Add a driver to talk to the Raspberry Pi firmware 
Communicating with the Raspberry Pi firmware is currently handled by each
driver calling into the mbox driver, however the device tree is structured
such that they should be calling into a firmware driver.

Add a driver for this node with an interface to communicate to the firmware
via the mbox interface.

There is a sysctl to get the firmware revision. This is a unix date so can
be parsed with:

root@generic:~ # date -j -f '%s' sysctl -n dev.bcm2835_firmware.0.revision
Tue Nov 19 16:40:28 UTC 2019

Reviewed by:	manu
Sponsored by:	Innovate UK
Differential Revision:	https://reviews.freebsd.org/D25572
2020-07-09 16:28:13 +00:00
..
bcm283x_dwc_fdt.c Switch to mainstream DTS for Raspberry Pi-B and Pi-2. 2018-02-27 15:01:17 +00:00
bcm2835_audio.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
bcm2835_bsc.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
bcm2835_bscreg.h
bcm2835_bscvar.h [rpi] Add fdt_pinctrl(4) support to Raspberry Pi GPIO driver 2018-04-08 00:56:19 +00:00
bcm2835_clkman.c Add skeleton manual page for bcm283x_pwm 2018-01-22 07:43:54 +00:00
bcm2835_clkman.h Add a skeleton Clock Manager for RPi2/3, and use that from pwm 2018-01-22 07:10:30 +00:00
bcm2835_cpufreq.c raspberry pi 4: cpufreq support 2020-06-20 04:07:58 +00:00
bcm2835_dma.c bcm2835: push address mapping conversion for DMA/mailbox to runtime 2019-11-20 03:57:46 +00:00
bcm2835_dma.h bcm2835_sdhci: "fix" DMA on the RPi 4 2019-11-23 01:46:02 +00:00
bcm2835_fb.c Kill off dummy kbd drivers 2019-12-20 16:22:14 +00:00
bcm2835_fbd.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
bcm2835_firmware.c Add a driver to talk to the Raspberry Pi firmware 2020-07-09 16:28:13 +00:00
bcm2835_firmware.h Add a driver to talk to the Raspberry Pi firmware 2020-07-09 16:28:13 +00:00
bcm2835_ft5406.c bcm2835: push address mapping conversion for DMA/mailbox to runtime 2019-11-20 03:57:46 +00:00
bcm2835_gpio.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
bcm2835_intr.c Move the reporting of spurious interrupts under bootverbose control, because 2019-04-21 17:39:01 +00:00
bcm2835_machdep.c arm: add SOC_BRCM_BCM2837 option, include it in GENERIC 2019-12-17 23:01:37 +00:00
bcm2835_mbox_prop.h Add a driver to talk to the Raspberry Pi firmware 2020-07-09 16:28:13 +00:00
bcm2835_mbox.c bcm2835: push address mapping conversion for DMA/mailbox to runtime 2019-11-20 03:57:46 +00:00
bcm2835_mbox.h
bcm2835_pwm.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
bcm2835_rng.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
bcm2835_sdhci.c bcm2835_sdhci: fix non-INVARIANTS build 2019-11-23 13:39:47 +00:00
bcm2835_sdhost.c A bit of code hygiene (no functional changes). 2019-06-10 23:25:40 +00:00
bcm2835_spi.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
bcm2835_spireg.h
bcm2835_spivar.h [rpi] Add fdt_pinctrl(4) support to Raspberry Pi GPIO driver 2018-04-08 00:56:19 +00:00
bcm2835_systimer.c Switch to mainstream DTS for Raspberry Pi-B and Pi-2. 2018-02-27 15:01:17 +00:00
bcm2835_vcbus.c bcm2835_vcbus: unifdef all platform definitions 2020-01-17 21:39:28 +00:00
bcm2835_vcbus.h RPI: Fix DMA/SDHCI on the BCM2836 (Raspberry Pi 2) 2019-12-09 17:34:40 +00:00
bcm2835_vcio.c
bcm2835_wdog.c Fix reboot command on the Raspberry Pi series. 2020-06-22 08:12:21 +00:00
bcm2835_wdog.h
bcm2836_mp.c
bcm2836_mp.h Remove "all rights reserved" from copyright for the file I own. 2019-12-03 21:00:45 +00:00
bcm2836.c bcm_lintc: don't attach if "interrupt-controller" is missing 2019-11-07 21:31:15 +00:00
bcm2838_pci.c Add a driver for bcm2838 PCI express controller 2020-07-06 08:51:55 +00:00
files.bcm283x Add a driver to talk to the Raspberry Pi firmware 2020-07-09 16:28:13 +00:00
files.bcm2835
files.bcm2836
std.bcm2835
std.bcm2836 Remove IPI_IRQ_START and IPI_IRQ_END from the arm kernel config files. 2018-07-28 06:46:10 +00:00
std.rpi
vc_vchi_audioserv_defs.h