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-rw-r--r--meta/recipes-kernel/linux/linux.inc91
1 files changed, 91 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux.inc b/meta/recipes-kernel/linux/linux.inc
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1DESCRIPTION = "Linux Kernel"
2SECTION = "kernel"
3LICENSE = "GPL"
4
5inherit kernel
6
7DEPENDS_append_em-x270 = " mtd-utils "
8
9RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"
10
11# Specify the commandline for your device
12
13#boot from mmc
14CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5"
15#boot from nfs
16#CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=301 root=/dev/nfs nfsroot=172.20.3.1:/data/at91 ip=172.20.0.5:::255.255.0.0"
17
18do_configure_prepend() {
19 echo "" > ${S}/.config
20
21 #
22 # logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used
23 #
24 if [ -e ${WORKDIR}/logo_linux_clut224.ppm ]; then
25 install -m 0644 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
26 echo "CONFIG_LOGO=y" >> ${S}/.config
27 echo "CONFIG_LOGO_LINUX_CLUT224=y" >> ${S}/.config
28 fi
29
30 #
31 # oabi / eabi support
32 #
33 if [ "${TARGET_OS}" = "linux-gnueabi" -o "${TARGET_OS}" = "linux-uclibcgnueabi" ]; then
34 echo "CONFIG_AEABI=y" >> ${S}/.config
35 echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
36 else
37 echo "# CONFIG_AEABI is not set" >> ${S}/.config
38 echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
39 fi
40
41 echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config
42
43 sed -e '/CONFIG_AEABI/d' \
44 -e '/CONFIG_OABI_COMPAT=/d' \
45 -e '/CONFIG_CMDLINE=/d' \
46 -e '/CONFIG_LOGO=/d' \
47 -e '/CONFIG_LOGO_LINUX_CLUT224=/d' \
48 < '${WORKDIR}/defconfig' >>'${S}/.config'
49
50 #
51 # root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
52 # Enable this by setting a proper CMDLINE_NFSROOT_USB.
53 #
54 if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
55 oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
56 sed -e '/CONFIG_INET/d' \
57 -e '/CONFIG_IP_PNP=/d' \
58 -e '/CONFIG_USB_GADGET=/d' \
59 -e '/CONFIG_USB_GADGET_SELECTED=/d' \
60 -e '/CONFIG_USB_ETH=/d' \
61 -e '/CONFIG_NFS_FS=/d' \
62 -e '/CONFIG_ROOT_NFS=/d' \
63 -e '/CONFIG_CMDLINE=/d' \
64 -i ${S}/.config
65 echo "CONFIG_INET=y" >> ${S}/.config
66 echo "CONFIG_IP_PNP=y" >> ${S}/.config
67 echo "CONFIG_USB_GADGET=y" >> ${S}/.config
68 echo "CONFIG_USB_GADGET_SELECTED=y" >> ${S}/.config
69 echo "CONFIG_USB_ETH=y" >> ${S}/.config
70 echo "CONFIG_NFS_FS=y" >> ${S}/.config
71 echo "CONFIG_ROOT_NFS=y" >> ${S}/.config
72 echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${S}/.config
73 fi
74 yes '' | oe_runmake oldconfig
75}
76
77
78
79do_install_prepend() {
80 if test -e arch/${ARCH}/boot/Image ; then
81 ln -f arch/${ARCH}/boot/Image arch/${ARCH}/boot/uImage
82 fi
83
84 if test -e arch/${ARCH}/boot/images/uImage ; then
85 ln -f arch/${ARCH}/boot/images/uImage arch/${ARCH}/boot/uImage
86 fi
87
88 if test -e arch/${ARCH}/kernel/vmlinux.lds ; then
89 ln -f arch/${ARCH}/kernel/vmlinux.lds arch/${ARCH}/boot/vmlinux
90 fi
91}