Rebuild Linux and Buildroot for the DCP-SH7785 board

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Jayson Ashley Jackson
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1 2 Rebuild Linux and Buildroot for the DCP-SH7785 board Contents Buildroot Linux U-Boot busybox DCP-SH7785 Buildroot 1 Linux 2 PC-Linux sh4 CF /home/default/package buildroot/ linux/ u-boot/ Buildboot Linux U-Boot 2.2 buildroot config-buildroot txt config-buildroot gcc.txt config-busybox txt CF busybox 1 buildroot Linux RT RT Linux rt42 1 /8

2 buildroot tgz buildroot gcc.tgz rootfs sh4.cpio.gz rootfs sh4.tgz CF ( ) CF (CF ) linux config txt config nfs.txt config rt42.txt config nfs-rt42.txt diff txt diff txt diff txt diff rt42.txt uimage uimage vfs uimage rt42 uimage vfs-rt42 modules tgz modules rt42.tgz drivers/pci6466/ drivers/rtrtc/ Linux ( ) Linux (CF ) Linux ( )(RT ) Linux (CF )(RT ) Linux Linux ( ) Linux (RTC ) Linux (RT ) Linux ( ) Linux (CF ) Linux ( )(RT ) Linux (CF )(RT ) (RT ) u-boot diff sh7785.txt diff-monitor.txt u-boot.bin U-Boot U-Boot ( ) U-Boot 2.3 Buildroot buildroot tar.bz2 => U-Boot # Linux $ Linux bash# PC Linux % PC Linux % tar xjvf buildroot tar.bz2 % cd buildroot % setenv LANG en_us.utf-8 csh 2 /8

3 config-buildroot txt config-buildroot gcc.txt CF % cp config-buildroot txt.config busybox make % cp config-busybox txt package/busybox/busybox config % make oldconfig; make make busybox make % cp config-busybox txt package/busybox/busybox config % rm./output/build/busybox /.stamp_target_installed % rm./output/build/busybox /.stamp_built % rm./output/build/busybox /.stamp_configured % rm./output/build/busybox /.stamp_extracted % make make make % patch -p0 < Readme % rm./output/build/nfs-utils-1.2.3/.stamp_target_installed % rm./output/build/nfs-utils-1.2.3/.stamp_built % make bash# mount -o loop output/images/rootfs.ext2 /mnt; cd /mnt bash# tar xzvf buildroot tgz buildroot make linux cpio initramfs /tftpboot bash# mkdir /tftpboot bash# find. cpio -o -H newc gzip > /tftpboot/rootfs sh4.cpio.gz bash# cd; umount /mnt; exit cpio initramfs linux CONFIG INITRAMFS SOURCE="/tftpboot/rootfs.sh4.cpio.gz" CF buildroot make bash# mount -o loop output/images/rootfs.ext2 /mnt; cd /mnt bash# tar xzvf buildroot gcc.tgz bash# tar czvf /tmp/rootfs sh4.tgz./ bash# cd; umount /mnt; exit 3 /8

4 CF /tmp/rootfs sh4.tgz tar CF # mkfs /dev/hda1 # mount /dev/hda1 /mnt # cd /mnt # zcat /tmp/rootfs sh4.tgz tar xvf - CF fdisk # fdisk /dev/hda csh % set path = ( /tmp/buildroot gcc/output/host/usr/bin $path ) % rehash % sh4-unknown-linux-uclibc-gcc --version sh4-unknown-linux-uclibc-gcc (Buildroot ) Linux linux-3.2.tar.xz patch xz % xzcat linux-3.2.tar.xz tar xvf - % mv linux-3.2 linux % cd linux % xzcat patch xz patch -p1 % less diff txt patch -p1 % less diff txt patch -p1 % less diff txt patch -p1 RT % xzcat patch rt42.patch.xz patch -p1 % less diff rt42.txt patch -p1 config txt config nfs.txt config rt42.txt config nfs-rt42.txt CF RT RT CF % cp config txt.config linux make initramfs /tftpboot 4 /8

5 bash# mkdir /tftpboot bash# cp buildroot/rootfs sh4.cpio.gz /tftpboot make csh % setenv LANG C % setenv ENV "ARCH=sh CROSS_COMPILE=sh4-linux-gnu-" % make $ENV clean % make $ENV oldconfig % make $ENV V=1 uimage % make $ENV V=1 modules % make $ENV V=1 INSTALL_MOD_PATH=/tmp/modules modules_install % make $ENV V=1 INSTALL_HDR_PATH=/tmp/headers headers_install Buildroot /tftpboot/rootfs sh4.cpio.gz Linux make Linux CF /lib/modules/ /boot/ Linux linux arch/sh/boot/uimage u-boot tftpflash uimage boot/uimage.opt => setenv uboot boot/uimage.opt => setenv fladdr a => run tftpflash RT u-boot tftpflash uimage boot/uimage.rt => setenv uboot boot/uimage.rt => setenv fladdr a => run tftpflash CF # mount /dev/hda1 /mnt # cp /tmp/uimage /mnt/boot/uimage.sh4 RT # cp /tmp/uimage /mnt/boot/uimage.rt RT # umount /mnt linux 5 /8

6 uimage RT uimage rt42 CF uimage vfs CF /boot/uimage.sh4 RT CF uimage vfs-rt42 CF /boot/uimage.rt Makefile Linux KERNEL SRC = /usr/src/linux/superh/linux % setenv ENV "ARCH=sh CROSS_COMPILE=sh4-linux-gnu-" % make $ENV RT % make $ENV RT=1 RT make Buildroot cpio initramfs CF CF /tmp nfs ftp # rmmod pci6466 # insmod /tmp/pci6466.ko lib/modules/3.2.28/kernel/drivers/pci/pci6466.ko lib/modules/3.2.28/kernel/drivers/misc/rtrtc.ko lib/modules/ rt42/kernel/drivers/pci/pci6466.ko lib/modules/ rt42/kernel/drivers/misc/rtrtc.ko 2.5 U-Boot u-boot tar.bz2 % tar xjvf u-boot tar.bz2 % cd u-boot % less diff sh7785.txt patch -p1 % less diff-monitor.txt patch -p0 6 /8

7 make % make clean % make distclean % make CROSS_COMPILE=sh4-linux- dcpsh7785_config % make CROSS_COMPILE=sh4-linux- tools % make CROSS_COMPILE=sh4-linux- u-boot.bin tftp u-boot u-boot tftp => ping Using e1000#0 device host is alive => tftp u-boot.bin => tftp boot/u-boot.bin Using e1000#0 device TFTP from server ; our IP address is Filename boot/u-boot.bin. Load address: 0x192 Loading: ################################################################# ###################################### done Bytes transferred = (80000 hex) => u-boot tftpflash tftpflash=tftpboot $(loadaddr) $(uboot); protect off $(fladdr) +$(filesize); erase $(fladdr) +$(filesize); cp.b $(loadaddr) $(fladdr) $(filesize); protect on $(fladdr) +$(filesize); cmp.b $(loadaddr) $(fladdr) $(filesize) tftp u-boot.bin tftpflash => run tftpflash u-boot ICE u-boot.bin 2.6 busybox busybox /bin/sh bash /8

8 /root/bin/halt halt /root/bin/reboot reboot /root/bin/notify /root/bin/su su /root/bin/netstat netstat-1.42 /root/bin/rttest netstat # netstat -i -c Kernel Interface table iface mtu met rx-ok rx-err rx-drp rx-ovr tx-ok tx-err tx-drp tx-ovr flg eth BMRU lo LRU eth BMRU eth BMRU eth BMRU eth BMRU eth BMRU 2.7 U-Boot Linux 3 U-Boot Linux 4 u-boot # => mon Type quit, if return to u-boot. #quit u-boot => Linux halt reboot I/O Sep CPU PC Linux C 4 U-Boot Linux 8 /8

CPU6901. PCI-104 ARM9 CPU Card. Software Manual (V1.0) 健昇科技股份有限公司 JS AUTOMATION CORP.

CPU6901. PCI-104 ARM9 CPU Card. Software Manual (V1.0) 健昇科技股份有限公司 JS AUTOMATION CORP. CPU6901 PCI-104 ARM9 CPU Card Software Manual (V1.0) 健昇科技股份有限公司 JS AUTOMATION CORP. 新北市汐止區中興路 100 號 6 樓 6F., No.100, Zhongxing Rd., Xizhi Dist., New Taipei City, Taiwan TEL:+886-2-2647-6936 FAX:+886-2-2647-6940