summaryrefslogtreecommitdiff
path: root/packages/linux/linux.inc
blob: e3814070ea63df768eb5b47bd83a8cd567385b75 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
DESCRIPTION = "Linux Kernel"
SECTION = "kernel"
LICENSE = "GPL"

inherit kernel

RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"

# Specify the commandline for your device

# Boot from mmc
CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5"
# Boot from nfs
#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"

# Set the verbosity of kernel messages during runtime
# You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour  
CMDLINE_DEBUG ?= '${@base_conditional("DISTRO_TYPE", "release", "quiet", "debug",d)}'
CMDLINE_append = " ${CMDLINE_DEBUG} "

# Support for binary device tree generation

KERNEL_DEVICETREE_mpc8313e-rdb = "arch/${ARCH}/boot/dts/mpc8313erdb.dts"
KERNEL_DEVICETREE_mpc8315e-rdb = "arch/${ARCH}/boot/dts/mpc8315erdb.dts"
KERNEL_DEVICETREE_mpc8323e-rdb = "arch/${ARCH}/boot/dts/mpc832x_rdb.dts"
KERNEL_DEVICETREE_kilauea = "arch/${ARCH}/boot/dts/kilauea.dts"
KERNEL_DEVICETREE_sequoia = "arch/${ARCH}/boot/dts/sequoia.dts"

KERNEL_DEVICETREE_FLAGS = "-R 8 -S 0x3000"

python __anonymous () {

    import bb
    
    devicetree = bb.data.getVar('KERNEL_DEVICETREE', d, 1) or ''
    if devicetree:
    	depends = bb.data.getVar("DEPENDS", d, 1)
    	depends = "%s dtc-native" % depends
    	bb.data.setVar("DEPENDS", depends, d)
}

do_configure_prepend() {
        echo "" > ${S}/.config

        #
        # logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used
        #
        if [ -e ${WORKDIR}/logo_linux_clut224.ppm ]; then
                install -m 0644 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
                echo "CONFIG_LOGO=y"                    >> ${S}/.config
                echo "CONFIG_LOGO_LINUX_CLUT224=y"      >> ${S}/.config
        fi

        #
        # oabi / eabi support
        #
        if [ "${TARGET_OS}" = "linux-gnueabi" -o  "${TARGET_OS}" = "linux-uclibcgnueabi" ]; then
                echo "CONFIG_AEABI=y"                   >> ${S}/.config
                echo "CONFIG_OABI_COMPAT=y"             >> ${S}/.config
        else
                echo "# CONFIG_AEABI is not set"        >> ${S}/.config
                echo "# CONFIG_OABI_COMPAT is not set"  >> ${S}/.config
        fi

	#
	# endian support
	#
        if [ "${SITEINFO_ENDIANESS}" = "be" ]; then
                echo "CONFIG_CPU_BIG_ENDIAN=y"          >> ${S}/.config
        fi

        echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config

        sed -e '/CONFIG_AEABI/d' \
            -e '/CONFIG_OABI_COMPAT=/d' \
            -e '/CONFIG_CMDLINE=/d' \
            -e '/CONFIG_CPU_BIG_ENDIAN/d' \
            -e '/CONFIG_LOGO=/d' \
            -e '/CONFIG_LOGO_LINUX_CLUT224=/d' \
            -e '/CONFIG_LOCALVERSION/d' \
	    < '${WORKDIR}/defconfig' >>'${S}/.config'

        #
        # root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
        # Enable this by setting a proper CMDLINE_NFSROOT_USB.
        #
        if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
                oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
                sed -e '/CONFIG_INET/d' \
                    -e '/CONFIG_IP_PNP=/d' \
                    -e '/CONFIG_USB_GADGET=/d' \
                    -e '/CONFIG_USB_GADGET_SELECTED=/d' \
                    -e '/CONFIG_USB_ETH=/d' \
                    -e '/CONFIG_NFS_FS=/d' \
                    -e '/CONFIG_ROOT_NFS=/d' \
                    -e '/CONFIG_CMDLINE=/d' \
                    -i ${S}/.config
                echo "CONFIG_INET=y"                     >> ${S}/.config
                echo "CONFIG_IP_PNP=y"                   >> ${S}/.config
                echo "CONFIG_USB_GADGET=y"               >> ${S}/.config
                echo "CONFIG_USB_GADGET_SELECTED=y"      >> ${S}/.config
                echo "CONFIG_USB_ETH=y"                  >> ${S}/.config
                echo "CONFIG_NFS_FS=y"                   >> ${S}/.config
                echo "CONFIG_ROOT_NFS=y"                 >> ${S}/.config
                echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${S}/.config
        fi
        yes '' | oe_runmake oldconfig
}

do_configure_append_avr32() {
        sed -i -e s:-mno-pic::g arch/avr32/Makefile
}

do_compile_append() {
    if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then 
        if test -e arch/${ARCH}/boot/compressed/vmlinux ; then
            ${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
            uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage
            rm -f linux.bin
        else
            ${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin
            rm -f linux.bin.gz
            gzip -9 linux.bin
            uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C gzip -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz arch/${ARCH}/boot/uImage
            rm -f linux.bin.gz
        fi
    fi
}

do_devicetree_image() {
        if test -n "${KERNEL_DEVICETREE}" ; then
            dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_DEVICETREE}

            cd ${DEPLOY_DIR_IMAGE}
            rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
            ln -sf ${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
        fi
}

addtask devicetree_image after do_deploy before do_package