distro_defaults: do all the searching in boot.scr, less u-boot patching for distro_defaults enabled boards
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>pull/37/head
Robert Nelson
10 years ago
parent
cf456d9251
commit
27cdab4c87
@ -1,4 +1,96 @@
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echo "distro_defaults: boot.scr/uEnv.txt wrapper..."
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load ${devtype} ${devnum}:${bootpart} ${scriptaddr} /boot/uEnv.txt
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env import -t ${scriptaddr} ${filesize}
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run uenvcmd
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echo ; echo Searching for: /boot/uEnv.txt ...;
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for i in 1 2 3 4 5 6 7 ; do
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setenv bootpart ${i};
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echo Trying: ${devtype} ${devnum}:${bootpart} ...;
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if test -e ${devtype} ${devnum}:${bootpart} /boot/uEnv.txt; then
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echo Found: /boot/uEnv.txt on [${devtype} ${devnum}:${bootpart}] ...;
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load ${devtype} ${devnum}:${bootpart} ${scriptaddr} /boot/uEnv.txt
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env import -t ${scriptaddr} ${filesize}
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if test -n ${dtb}; then
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setenv fdtfile ${dtb};
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echo Using: [dtb=${fdtfile}] ...;
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fi;
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if test -n ${uname_r}; then
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echo Using: [uname_r=${uname_r}] ...;
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fi;
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if test -n ${uuid}; then
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echo Using: [uuid=${uuid}] ...;
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else
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echo Warning: [uuid] is not set in /boot/uEnv.txt ...;
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echo Using: [root=${mmcroot} ro] ...;
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fi;
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if test -n ${uname_r}; then
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setenv bootdir /boot;
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setenv bootfile vmlinuz-${uname_r};
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echo ; echo Searching for: Linux Kernel [vmlinuz-${uname_r}] ...;
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echo Trying: ${bootdir}/${bootfile} ...;
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if test -e ${devtype} ${devnum}:${bootpart} ${bootdir}/${bootfile}; then
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echo Found: ${bootdir}/${bootfile} ...;
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load ${devtype} ${devnum}:${bootpart} ${kernel_addr_r} ${bootdir}/${bootfile}
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echo ; echo Searching for: Device Tree Blob [${fdtfile}] ...;
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setenv fdtdir /boot/dtbs/${uname_r};
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echo Trying: ${fdtdir}/${fdtfile} ...;
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if test -e ${devtype} ${devnum}:${bootpart} ${fdtdir}/${fdtfile}; then
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echo Found: ${fdtdir}/${fdtfile} ...;
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load ${devtype} ${devnum}:${bootpart} ${fdt_addr_r} ${fdtdir}/${fdtfile}
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else
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setenv fdtdir /usr/lib/linux-image-${uname_r};
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echo Trying: ${fdtdir}/${fdtfile} ...;
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if test -e ${devtype} ${devnum}:${bootpart} ${fdtdir}/${fdtfile}; then
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echo Found: ${fdtdir}/${fdtfile} ...;
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load ${devtype} ${devnum}:${bootpart} ${fdt_addr_r} ${fdtdir}/${fdtfile}
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else
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setenv fdtdir /lib/firmware/${uname_r}/device-tree;
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echo Trying: ${fdtdir}/${fdtfile} ...;
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if test -e ${devtype} ${devnum}:${bootpart} ${fdtdir}/${fdtfile}; then
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echo Found: ${fdtdir}/${fdtfile} ...;
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load ${devtype} ${devnum}:${bootpart} ${fdt_addr_r} ${fdtdir}/${fdtfile}
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else
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setenv fdtdir /boot/dtb-${uname_r};
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echo Trying: ${fdtdir}/${fdtfile} ...;
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if test -e ${devtype} ${devnum}:${bootpart} ${fdtdir}/${fdtfile}; then
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echo Found: ${fdtdir}/${fdtfile} ...;
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load ${devtype} ${devnum}:${bootpart} ${fdt_addr_r} ${fdtdir}/${fdtfile}
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fi
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fi;
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fi;
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fi;
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setenv rdfile initrd.img-${uname_r};
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echo ; echo Searching for: Linux initial RAM disk [initrd.img-${uname_r}] ...;
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echo Trying: ${bootdir}/${rdfile} ...;
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if test -e ${devtype} ${devnum}:${bootpart} ${bootdir}/${rdfile}; then
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echo Found: ${bootdir}/${rdfile} ...;
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load ${devtype} ${devnum}:${bootpart} ${ramdisk_addr_r} ${bootdir}/${rdfile}; setenv initrd_size ${filesize}
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if test -n ${uuid}; then
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setenv root UUID=${uuid} ro;
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fi;
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if test -n ${mmcargs}; then
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run mmcargs;
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fi;
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if test -n ${set_boot_args}; then
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run set_boot_args;
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fi;
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echo debug: [${bootargs}] ... ;
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echo debug: [bootz ${kernel_addr_r} ${ramdisk_addr_r}:${initrd_size} ${fdt_addr_r}] ... ;
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bootz ${kernel_addr_r} ${ramdisk_addr_r}:${initrd_size} ${fdt_addr_r}
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else
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echo Not using Linux initial RAM disk: [initrd.img-${uname_r}] ...;
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if test -n ${mmcargs}; then
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run mmcargs;
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fi;
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if test -n ${set_boot_args}; then
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run set_boot_args;
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fi;
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echo debug: [${bootargs}] ... ;
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echo debug: [bootz ${kernel_addr_r} - ${fdt_addr_r}] ... ;
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bootz ${kernel_addr_r} - ${fdt_addr_r}
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fi;
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fi;
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fi;
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fi;
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done;
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