freebsd-dev/sys/mips/conf/DIR-825
Adrian Chadd 21c252ea7f This is an initial board configuration for the D-Link DIR-825 dual-band
802.11n router.

The flash layout defaults to a 1 MiB section for the kernel so I'm trying
very hard to squeeze a minimialistic (LZMA compressde) kernel image into
that.

I've verified that it boots through to single user mode fine.

Issues:

* USB doesn't yet work as a module - I need to add something else to the
  USB AR71xx build before that will work.
* There's no switch PHY support - but for now it quite happily behaves
  as a useful dumb switch out of the box.  Phew.
* Since a previous flash attempt trashed my radio configuration block,
  I haven't yet verified whether the wireless works correctly.
  I'll test that out shortly (read: once I re-calibrate the board somehow.)

Thanks to ray@ and the zrouter project for doing some of the initial
hard work in figuring out how to bring this board up.
2012-08-28 06:17:44 +00:00

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#
# Specific board setup for the D-Link DIR-825 router.
#
# The DIR-825 has the following hardware:
#
# + AR7161 CPU SoC
# + AR9223 2.4GHz 11n
# + AR9220 5GHz 11n
# + RealTek RTL8366S Gigabit switch
# + m25p64 based 8MB flash
# + 64MB RAM
# + uboot environment
# $FreeBSD$
include "AR71XX_BASE"
ident "DIR-825"
hints "DIR-825.hints"
# Since the kernel image must fit inside 1024KiB, we have to build almost
# everything as modules.
nodevice random
nodevice gpio
nodevice gpioled
nodevice gif
nodevice gre
nodevice bridge
nodevice usb
nodevice ehci
nodevice wlan
nodevice wlan_xauth
nodevice wlan_acl
nodevice wlan_wep
nodevice wlan_tkip
nodevice wlan_ccmp
nodevice wlan_rssadapt
nodevice wlan_amrr
nodevice ath
nodevice ath_pci
nodevice ath_hal
nodevice umass
nodevice ath_rate_sample
nooptions INET6
# Don't include the SCSI/CAM strings in the default build
options SCSI_NO_SENSE_STRINGS
options SCSI_NO_OP_STRINGS
# .. And no sysctl strings
options NO_SYSCTL_DESCR
# GEOM modules
device geom_map # to get access to the SPI flash partitions
device geom_uncompress # compressed in-memory filesystem hackery!
options GEOM_UNCOMPRESS
options ROOTDEVNAME=\"ufs:/dev/map/rootfs.uncompress\"
options AR71XX_REALMEM=64*1024*1024
options AR71XX_ENV_UBOOT
# options MD_ROOT
# options MD_ROOT_SIZE="6144"
options AR71XX_ATH_EEPROM # Fetch EEPROM/PCI config from flash
options ATH_EEPROM_FIRMWARE # Use EEPROM from flash
device firmware # Used by the above