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1#@TYPE: Machine
2#@Name: Compulab cm-x270
3#@DESCRIPTION: Machine configuration for Compulab cm-x270 computer module
4#OLDEST_KERNEL = "2.6.16"
5TARGET_ARCH = "arm"
6GUI_MACHINE_CLASS ?= "bigscreen"
7
8PREFERRED_PROVIDER_virtual/kernel = "linux"
9PREFERRED_VERSION_linux ?= "2.6.23"
10
11
12require conf/machine/include/tune-xscale.inc
13PACKAGE_EXTRA_ARCHS += "iwmmxt"
14
15# Console serial port.
16# If you have a W module, add the following line to your local.conf:
17# the following line to your local.conf:
18CMX270_CONSOLE_SERIAL_PORT ?= "ttyS0"
19# the following is for the cm-x270 L module
20#CMX270_CONSOLE_SERIAL_PORT ?= "ttyS1"
21
22# NAND flash eraseblock size
23# most of the older cm-x270 modules are populated with NAND flash
24# that have 128KiB eraseblocks. Recently, a user encounted
25# a device that has 16KiB eraseblocks. The following define
26# can be overridden in local.conf if you have one of these devices.
27CMX270_NAND_ERASEBLOCK_SIZE ?= "0x20000"
28
29
30# used by sysvinit_2 package, so rebuild this
31# package if you change the SERIAL_CONSOLE setting
32# the following is the port for the cm-x270 L module
33# I think the W module would use ttyS0, but has
34# not been tested. This can be overwritten in
35# local.conf
36SERIAL_CONSOLE ?= "38400 ${CMX270_CONSOLE_SERIAL_PORT}"
37
38# used by opie-collections.inc
39ROOT_FLASH_SIZE ?= "32"
40
41# for NAND flash.
42EXTRA_IMAGECMD_jffs2 = "--little-endian --eraseblock=${CMX270_NAND_ERASEBLOCK_SIZE} --pad --no-cleanmarkers;\
43 sumtool -i ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 \
44 -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs-summary.jffs2 \
45 -e ${CMX270_NAND_ERASEBLOCK_SIZE} -p; \
46 cd ${DEPLOY_DIR_IMAGE}; \
47 rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.rootfs-summary.jffs2; \
48 ln -s ${IMAGE_NAME}.rootfs-summary.jffs2 ${IMAGE_LINK_NAME}.rootfs-summary.jffs2 \
49 "
50
51MACHINE_FEATURES = "kernel26 pcmcia usbhost usbgadget pcmcia alsa iwmmxt"
52
53# to program the compulab NAND flash, the following scheme is suggested. Create
54# a small rootfs that can fit in NOR flash using the following config:
55# - Angstrom distro
56# - uclibc (set ANGSTROM_MODE = "uclibc" in local.conf)
57# - angstrom-minimal-image-with-mtd-utils bitbake target
58# - put the following in your local.conf
59# - IMAGE_FSTYPES = "jffs2 tar cpio.gz"
60# now, when you build the image, a cpio.gz will be generated
61# that can be used as an initramfs. You can boot into this image and then
62# program the main rootfs jffs2 image in NAND flash using mtd-utils
63# you can select booting the initramfs, or the main nand rootfs by using
64# the "ramdisk on", or "ramdisk off" commands in the bootloader
65#
66
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