MFC 263250, 263251, 263424, 263425, 263426, 263427, 263430, 263431

  Use the same cache terminology as the ARM docs in comments. No
  functional changes.

  Use armv7 TLB flush code, not arm11, for cortex-a processors.

  Exynos/ Arndale...
  - Disable debugging by default.
  - Add display-related and clk devices to the tree
  - Prevent resources intersection with EHCI driver
  - Add display-related and clk devices to the tree
  - Prevent resources intersection with EHCI driver
  - Add driver for Display Controller.
  - Add support for Samsung Chromebook (ARM Cortex A15 machine).
  - Rename mct and ehci drivers files to match common naming.

2 files changed, 149 insertions, 3 deletions

diff --git a/sys/arm/conf/ARNDALE b/sys/arm/conf/ARNDALE
index 39869e6..231bfc8 100644
--- a/sys/arm/conf/ARNDALE
+++ b/sys/arm/conf/ARNDALE
@@ -60,11 +60,11 @@ options 	BREAK_TO_DEBUGGER
 #options	VERBOSE_SYSINIT		# Enable verbose sysinit messages
 options 	KDB
 options 	DDB			# Enable the kernel debugger
-options 	INVARIANTS		# Enable calls of extra sanity checking
-options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
+#options 	INVARIANTS		# Enable calls of extra sanity checking
+#options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
 #options	WITNESS			# Enable checks to detect deadlocks and cycles
 #options	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
-options 	DIAGNOSTIC
+#options 	DIAGNOSTIC
 
 # NFS support
 options 	NFSCL			# Network Filesystem Client
diff --git a/sys/arm/conf/CHROMEBOOK b/sys/arm/conf/CHROMEBOOK
new file mode 100644
index 0000000..3a2a469
--- /dev/null
+++ b/sys/arm/conf/CHROMEBOOK
@@ -0,0 +1,146 @@
+# Kernel configuration for Samsung Chromebook (Exynos5 Dual machine).
+#
+# For more information on this file, please read the config(5) manual page,
+# and/or the handbook section on Kernel Configuration Files:
+#
+#    http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
+#
+# The handbook is also available locally in /usr/share/doc/handbook
+# if you've installed the doc distribution, otherwise always see the
+# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
+# latest information.
+#
+# An exhaustive list of options and more detailed explanations of the
+# device lines is also present in the ../../conf/NOTES and NOTES files.
+# If you are in doubt as to the purpose or necessity of a line, check first
+# in NOTES.
+#
+# $FreeBSD$
+
+ident		CHROMEBOOK
+
+include		"../samsung/exynos/std.exynos5"
+
+makeoptions	MODULES_OVERRIDE=""
+makeoptions	WITHOUT_MODULES="ahc"
+
+makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
+makeoptions	WERROR="-Werror"
+
+options 	HZ=100
+options 	SCHED_4BSD		# 4BSD scheduler
+options 	INET			# InterNETworking
+options 	INET6			# IPv6 communications protocols
+options 	GEOM_PART_BSD		# BSD partition scheme
+options 	GEOM_PART_MBR		# MBR partition scheme
+options 	TMPFS			# Efficient memory filesystem
+options 	FFS			# Berkeley Fast Filesystem
+options 	SOFTUPDATES
+options 	UFS_ACL			# Support for access control lists
+options 	UFS_DIRHASH		# Improve performance on big directories
+options 	MSDOSFS			# MSDOS Filesystem
+options 	CD9660			# ISO 9660 Filesystem
+options 	PROCFS			# Process filesystem (requires PSEUDOFS)
+options 	PSEUDOFS		# Pseudo-filesystem framework
+options 	COMPAT_43		# Compatible with BSD 4.3 [KEEP THIS!]
+options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
+options 	KTRACE
+options 	SYSVSHM			# SYSV-style shared memory
+options 	SYSVMSG			# SYSV-style message queues
+options 	SYSVSEM			# SYSV-style semaphores
+options 	_KPOSIX_PRIORITY_SCHEDULING # Posix P1003_1B real-time extensions
+options 	KBD_INSTALL_CDEV
+options 	PREEMPTION
+options 	FREEBSD_BOOT_LOADER
+options 	VFP			# vfp/neon
+
+# Debugging
+makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
+options 	BREAK_TO_DEBUGGER
+#options	VERBOSE_SYSINIT		# Enable verbose sysinit messages
+options 	KDB
+options 	DDB			# Enable the kernel debugger
+#options 	INVARIANTS		# Enable calls of extra sanity checking
+#options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
+#options	WITNESS			# Enable checks to detect deadlocks and cycles
+#options	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
+#options 	DIAGNOSTIC
+
+# NFS support
+options 	NFSCL			# Network Filesystem Client
+options 	NFSLOCKD		# Network Lock Manager
+options 	NFS_ROOT		# NFS usable as /, requires NFSCLIENT
+
+# Uncomment this for NFS root
+#options	NFS_ROOT		# NFS usable as /, requires NFSCL
+#options	BOOTP_NFSROOT
+#options	BOOTP_COMPAT
+#options	BOOTP
+#options	BOOTP_NFSV3
+#options	BOOTP_WIRED_TO=cpsw0
+
+device		mmc			# mmc/sd bus
+device		mmcsd			# mmc/sd flash cards
+device		sdhci			# generic sdhci
+
+options 	ROOTDEVNAME=\"ufs:/dev/da0\"
+
+#options	SMP
+
+# Pseudo devices
+
+device		loop
+device		random
+device		pty
+device		md
+device		gpio
+
+# USB support
+options 	USB_HOST_ALIGN=64	# Align usb buffers to cache line size.
+device		usb
+options 	USB_DEBUG
+#options	USB_REQ_DEBUG
+#options	USB_VERBOSE
+#device		musb
+device		ehci
+#device		ohci
+
+device		umass
+device		scbus			# SCSI bus (required for SCSI)
+device		da			# Direct Access (disks)
+device		pass
+
+# SATA
+#device		ata
+#device		atadisk
+#device		mvs
+
+# Serial ports
+device		uart
+
+# Framebuffer
+device		vt
+device		kbdmux
+options 	SC_DFLT_FONT		# compile font in
+makeoptions	SC_DFLT_FONT=cp437
+device		ukbd
+
+# I2C (TWSI)
+#device		iic
+#device		iicbus
+
+# Ethernet
+device		ether
+device		mii
+device		smsc
+device		smscphy
+
+# USB ethernet support, requires miibus
+device		miibus
+device		axe			# ASIX Electronics USB Ethernet
+device		bpf			# Berkeley packet filter
+
+#FDT
+options 	FDT
+options 	FDT_DTB_STATIC
+makeoptions	FDT_DTS_FILE=exynos5250-chromebook.dts