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1a4f39918d
This will allows to update uboot from other script disable the init.d/uboot script on intel as it's no longer needed
87 lines
2.2 KiB
Text
Executable file
87 lines
2.2 KiB
Text
Executable file
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. /usr/share/libubox/jshn.sh
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sanity_check_env(){
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# make sure iboot is used to start board, but only if verify_boot != 1
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# that allows a person to change the bootcmd and not have it overwritten automatically
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# but still force it to iboot for old boards.
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vb=$(fw_printenv -n verify_boot 2>/dev/null)
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if [ "1" != "$verify_boot" ]
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then
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if ! fw_printenv -n bootcmd 2>/dev/null| grep iboot >/dev/null
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then
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echo "update uboot boot command"
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fw_setenv bootcmd "rescue;iboot"
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fw_setenv verify_boot 1
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fi
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fi
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# just set 115200 baudrate as it is really hardcoded in the binary blob
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fw_setenv baudrate 115200
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}
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do_uboot_upgrade(){
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local u_ver
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echo "doing upgrade of u-boot old version $cur_Major.$cur_Minor new version $Major.$Minor"
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mtd erase /dev/mtd0
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mtd write $1 /dev/mtd0
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u_ver=$(strings /dev/mtd0 | grep 938f0820-2ffb-11e7-bbc9-2f21351ee6fb)
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[ -n "$u_ver" ] && fw_setenv uboot_inteno_version "$u_ver"
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sanity_check_env
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}
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# Return:
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# 0: update is successfull
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# 1: update is not needed
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# 2: error occured
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uboot_upgrade() {
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[ ! -f $1 ] && return 2
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iver=$(fw_printenv -n uboot_inteno_version 2>/dev/null)
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# Fixup improper json string for major and minor key.
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# this adds the missing "
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iver=$(echo $iver | sed -e 's/{Major:/{"Major":/' | sed -e 's/,Minor:/,"Minor":/')
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if [ -z "$iver" ]
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then
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# if this variable is not set by u-boot the u-boot version is too old.
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do_uboot_upgrade $1
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return 0
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fi
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# read in current version into Major Minor variables
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json_init
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json_load $(echo $iver |sed -e 's/938f0820-2ffb-11e7-bbc9-2f21351ee6fb: //')
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json_get_vars Major Minor
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# echo "Major $Major"
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# echo "Minor $Minor"
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cur_Major=$Major
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cur_Minor=$Minor
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# read in new uboot version into Major Minor variables
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json_load $(strings $1 | grep 938f0820-2ffb-11e7-bbc9-2f21351ee6fb |sed -e 's/938f0820-2ffb-11e7-bbc9-2f21351ee6fb: //')
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json_get_vars Major Minor
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# echo "Major $Major"
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# echo "Minor $Minor"
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if [ $Major -gt $cur_Major ]
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then
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do_uboot_upgrade $1
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return 0
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fi
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if [ $Major -eq $cur_Major -a $Minor -gt $cur_Minor ]
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then
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do_uboot_upgrade $1
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return 0
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fi
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return 1
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}
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