Add support for Samsung Chromebook (ARM Cortex A15 machine).

2 files changed, 205 insertions, 0 deletions

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
diff --git a/sys/boot/fdt/dts/arm/exynos5250-chromebook.dts b/sys/boot/fdt/dts/arm/exynos5250-chromebook.dts
new file mode 100644
index 0000000..0b9c978
--- /dev/null
+++ b/sys/boot/fdt/dts/arm/exynos5250-chromebook.dts
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/dts-v1/;
+
+/include/ "exynos5250.dtsi"
+
+/ {
+	model = "Samsung Chromebook";
+
+	memory {
+		device_type = "memory";
+		reg = < 0x40000000 0x80000000 >;  /* 2G */
+	};
+
+	SOC: Exynos5@0 {
+
+		fimd0: fimd@14400000 {
+			status = "okay";
+
+			panel-size = < 1366 768 >;
+			panel-hsync = < 80 32 48 >;
+			panel-vsync = < 14 5 3 >;
+			panel-clk-div = < 17 >;
+			panel-backlight-pin = < 25 >;
+		};
+
+	};
+
+	chosen {
+		stdin = &serial2;
+		stdout = &serial2;
+	};
+};