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authorRod Whitby <rod@whitby.id.au>2005-11-08 12:49:48 +0000
committerOpenEmbedded Project <openembedded-devel@lists.openembedded.org>2005-11-08 12:49:48 +0000
commit89aecb8bb608bf86eaf4bd812b3b9ce39a985968 (patch)
treeef79b5fd950a0996336f1de520fef846f3a990eb /conf/machine
parent750e6ba2065a44f09667a66e49fd487264179d66 (diff)
parentf20c6d9da02a584be54cc96f419bb3aa58d0e507 (diff)
merge of aabbfb8517118db142fd2350142326ea9089f210
and c1e11e88425fea080d1af8514734c6caa36c4be5
Diffstat (limited to 'conf/machine')
-rw-r--r--conf/machine/nas100d.conf149
1 files changed, 149 insertions, 0 deletions
diff --git a/conf/machine/nas100d.conf b/conf/machine/nas100d.conf
new file mode 100644
index 0000000000..aa37f0920d
--- /dev/null
+++ b/conf/machine/nas100d.conf
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+#@TYPE: Machine
+#@NAME: Iomega NAS 100d
+#@DESCRIPTION: Machine configuration for the Iomega NAS 100d product
+
+#-------------------------------------------------------------------------------
+# INPUTS
+#-------------------------------------------------------------------------------
+# conf/${DISTRO}.conf is included after this file and should be used to modify
+# variables identified as 'INPUTS' to the required values for the DISTRO, this
+# will cause the board specific settings (which depend for the most part on the
+# exact CPU used) to be set correctly within this file. The results are the
+# variables identifies here as 'OUTPUTS'
+#
+#variable = "default"
+# <possible values>
+# description
+
+ARCH_BYTE_SEX = "be"
+# "be" "le"
+# The memory byte sex and (on correctly implemented hardware - the NAS100D is
+# correct) the byte sex of the buses within the system. 'be' (big-endian)
+# means that the first byte is the most significant byte on a bus, 'le'
+# (little-endian) means that the first byte is the least significant byte.
+
+ARM_INSTRUCTION_SET = "arm"
+# "arm" "thumb"
+# The instruction set the compiler should use when generating application
+# code. The kernel is always compiled with arm code at present. arm code
+# is the original 32 bit ARM instruction set, thumb code is the 16 bit
+# encoded RISC sub-set. Thumb code is smaller (maybe 70% of the ARM size)
+# but requires more instructions (140% for 70% smaller code) so may be
+# slower.
+
+THUMB_INTERWORK = "yes"
+# "yes" "no"
+# Whether to compile with code to allow interworking between the two
+# instruction sets. This allows thumb code to be executed on a primarily
+# arm system and vice versa. It is strongly recommended that DISTROs not
+# turn this off - the actual cost is very small.
+
+DISTRO_BASE = ""
+# "" ":<base>"
+# If given this must be the name of a 'distro' to add to the bitbake OVERRIDES
+# after ${DISTRO}, this allows different distros to share a common base of
+# overrides. The value given must include a leading ':' or chaos will result.
+
+#-------------------------------------------------------------------------------
+# OUTPUTS
+#-------------------------------------------------------------------------------
+
+#OVERRIDES
+# The standard ':' separated list of overrides used by bitbake - see the
+# basic setting in bitbake.conf. This list is based on that used for the
+# standard setting however :<base>, :thumb and :thumb-interwork will be
+# inserted at appropriate points if a base distro, default use of thumb or
+# arm/thumb interworking are enabled in the inputs.
+OVERRIDE_THUMB = "${@['', ':thumb'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) == 'thumb']}"
+OVERRIDE_INTERWORK = "${@['', ':thumb-interwork'][bb.data.getVar('THUMB_INTERWORK', d, 1) == 'yes']}"
+OVERRIDES = "local:${MACHINE}:${DISTRO}${DISTRO_BASE}:${TARGET_OS}:${TARGET_ARCH}${OVERRIDE_THUMB}${OVERRIDE_INTERWORK}:build-${BUILD_OS}"
+
+# TARGET_CC_ARCH
+# TARGET_CC_KERNEL_ARCH
+# TARGET_LD_ARCH
+# TARGET_LD_KERNEL_ARCH
+# Compiler and linker options for application code and kernel code. These
+# options ensure that the compiler has the correct settings for the selected
+# instruction set and interworking.
+ARM_INTERWORK_M_OPT = "${@['-mno-thumb-interwork', '-mthumb-interwork'][bb.data.getVar('THUMB_INTERWORK', d, 1) == 'yes']}"
+ARM_THUMB_M_OPT = "${@['-mno-thumb', '-mthumb'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) == 'thumb']}"
+#
+TARGET_CC_ARCH = "-march=armv5te -mtune=xscale ${ARM_INTERWORK_M_OPT} ${ARM_THUMB_M_OPT}"
+TARGET_CC_KERNEL_ARCH = "-march=armv5te -mtune=xscale -mno-thumb-interwork -mno-thumb"
+TARGET_LD_ARCH = ""
+TARGET_LD_KERNEL_ARCH = ""
+
+# FULL_OPTIMIZATION
+# Optimization settings. Os works fine and is significantly better than O2.
+# The other settings are somewhat arbitrary. The optimisations chosen here
+# include the ones which 'break' symbolic debugging (because the compiler does
+# not include enough information to allow the debugger to know where given
+# values are.) The -fno options are an attempt to cancel explicit use of space
+# consuming options found in some packages (this isn't a complete list, this is
+# just the ones which package writers seem to know about and abuse).
+FULL_OPTIMIZATION = "-Os -fomit-frame-pointer -frename-registers \
+ -fno-unroll-loops -fno-inline-functions \
+ -fweb -funit-at-a-time"
+
+# TARGET_ARCH
+# The correct setting for the system endianness (ARCH_BYTE_SEX). This will
+# be arm (le) or armeb (be) - it is difficult to be more precise in the
+# setting because of the large number of ways it is used within OpenEmbedded.
+TARGET_ARCH = "${@['armeb', 'arm'][bb.data.getVar('ARCH_BYTE_SEX', d, 1) == 'le']}"
+
+# PACKAGE_ARCH
+# The correct setting for the generated packages. This corresponds to the
+# -march flag passed to the compiler because that limits the architectures
+# on which the generated code will run.
+BYTE_SEX_CHAR = "${@['b', 'l'][bb.data.getVar('ARCH_BYTE_SEX', d, 1) == 'le']}"
+PACKAGE_ARCH_BASE = "${@['armv5te', 'thumbv5t'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) == 'thumb']}"
+PACKAGE_ARCH = "${PACKAGE_ARCH_BASE}${BYTE_SEX_CHAR}"
+
+# IPKG_ARCHS
+# The full list of package architectures which should run on the system.
+# This takes into account both the board level issues and the INPUTS set
+# by the distro. The arm list is derived from the architecture settings
+# known to gcc, the thumb list is then derived from that (only the 't'
+# architectures of course).
+ARM_ARCHITECTURES = "${TARGET_ARCH} armv2${BYTE_SEX_CHAR} armv2a${BYTE_SEX_CHAR} armv3${BYTE_SEX_CHAR} armv3m${BYTE_SEX_CHAR} armv4${BYTE_SEX_CHAR} armv4t${BYTE_SEX_CHAR} armv5${BYTE_SEX_CHAR} armv5t${BYTE_SEX_CHAR} armv5e${BYTE_SEX_CHAR} armv5te${BYTE_SEX_CHAR} xscale${BYTE_SEX_CHAR}"
+THUMB_ARCHITECTURES = "thumbe${BYTE_SEX_CHAR} thumbv4t${BYTE_SEX_CHAR} thumbv5t${BYTE_SEX_CHAR}"
+
+# NOTE: this list contains just the things which rootfs_ipk.bbclass does
+# not add, rootfs_ipk.bbclass evaluates:
+#
+# ipkgarchs="all any noarch ${TARGET_ARCH} ${IPKG_ARCHS} ${MACHINE}"
+#
+# This is a priority ordered list - most desireable architecture at the end,
+# so put <ARM_INSTRUCTION_SET>_ARCHITECTURES at the end and, if
+# THUMB_INTERWORK precede this with the other architectures.
+IPKG_ARCHS = "${@(lambda arch_thumb, arch_arm, is_arm, interwork: \
+ (interwork and (is_arm and arch_thumb or arch_arm) + ' ' or '') \
+ + (is_arm and arch_arm or arch_thumb)) \
+ (bb.data.getVar('THUMB_ARCHITECTURES', d, 1), \
+ bb.data.getVar('ARM_ARCHITECTURES', d, 1), \
+ bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) != 'thumb', \
+ bb.data.getVar('THUMB_INTERWORK', d, 1) == 'yes')}"
+
+#-------------------------------------------------------------------------------
+# Miscellany
+#-------------------------------------------------------------------------------
+# The correct settings for the NAS100D board:
+SERIAL_CONSOLE = "115200 ttyS0"
+KERNEL_CONSOLE = "ttyS0,115200n8"
+USE_VT = "0"
+
+#-------------------------------------------------------------------------------
+# Package versions
+#-------------------------------------------------------------------------------
+CVSDATE_gnu-config ?= "20050713"
+CVSDATE_gnu-config-native ?= "20050713"
+CVSDATE_ipkg-utils ?= "20050713"
+CVSDATE_ipkg-utils-native ?= "20050713"
+CVSDATE_ipkg-link ?= "20050713"
+CVSDATE_irssi ?= "20050930"
+
+CVS_TARBALL_STASH = "http://sources.nslu2-linux.org/sources/"
+INHERIT += "nslu2-mirrors"
+
+PREFERRED_VERSION_ipkg ?= "0.99.152"
+PREFERRED_VERSION_ipkg-native ?= "0.99.152"