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On Raspberry Pi platform GPIO controller also responsible for pins multiplexing. Pi code predates proper FDT support in FreeBSD so a lot of pinmux info is hardcoded. This patch: - Implements pinctl methods in bcm2835_gpio - Converts all devices with ad-hoc pinmux info to proper pin control mechanisms and adds pinmux info in FreeBSD's custom dts files. - Adds fdt_pinctrl option to RPI2 and RPI-B kernels - Adds SPI pinmux config to FreeBSD's customization of GNU DTS. Reviewed by: imp, manu Differential Revision: https://reviews.freebsd.org/D14104
105 lines
2.1 KiB
Plaintext
105 lines
2.1 KiB
Plaintext
#
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# RPI2 -- Custom configuration for the Raspberry Pi 2
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#
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# For more information on this file, please read the config(5) manual page,
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# and/or the handbook section on Kernel Configuration Files:
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#
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# https://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
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#
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# The handbook is also available locally in /usr/share/doc/handbook
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# if you've installed the doc distribution, otherwise always see the
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# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the
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# latest information.
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#
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# An exhaustive list of options and more detailed explanations of the
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# device lines is also present in the ../../conf/NOTES and NOTES files.
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# If you are in doubt as to the purpose or necessity of a line, check first
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# in NOTES.
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#
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# $FreeBSD$
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#
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#NO_UNIVERSE
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ident RPI2
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include "std.armv7"
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include "../broadcom/bcm2835/std.rpi"
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include "../broadcom/bcm2835/std.bcm2836"
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options INTRNG
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options SCHED_ULE # ULE scheduler
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options SMP # Enable multiple cores
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options PLATFORM
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# NFS root from boopt/dhcp
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#options BOOTP
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#options BOOTP_NFSROOT
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#options BOOTP_COMPAT
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#options BOOTP_NFSV3
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#options BOOTP_WIRED_TO=ue0
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options ROOTDEVNAME=\"ufs:mmcsd0s2\"
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# ARM Generic Timer
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device generic_timer
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device bpf
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device loop
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device ether
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device uart
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device pty
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device snp
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device pl011
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# Comment following lines for boot console on serial port
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device vt
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device kbdmux
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device ukbd
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device sdhci
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device mmc
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device mmcsd
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device gpio
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device gpioled
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# I2C
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device iic
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device iicbus
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device bcm2835_bsc
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device md
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device random # Entropy device
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# USB support
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device usb
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device dwcotg # DWC OTG controller
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# USB storage support
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device scbus
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device da
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device umass
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# USB ethernet support
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device smcphy
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device mii
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device smsc
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# SPI
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device spibus
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device bcm2835_spi
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device vchiq
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device sound
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device fdt_pinctrl
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# Flattened Device Tree
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options FDT # Configure using FDT/DTB data
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# Note: DTB is normally loaded and modified by RPi boot loader, then
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# handed to kernel via U-Boot and ubldr.
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#options FDT_DTB_STATIC
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#makeoptions FDT_DTS_FILE=rpi2.dts
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makeoptions MODULES_EXTRA="dtb/rpi rpi_ft5406"
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