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uboot-microchipsw: add FIP update flashing shortcut
Add env variable to make it easy to flash an FIP update.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
(cherry picked from commit 78c98abd30)
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@ -8,3 +8,5 @@ bootargs=console=ttyAT0,115200 root=PARTLABEL=rootfs rootwait
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mmc_read_kernel=mmc read $loadaddr $part_addr 0x100 && imszb $loadaddr image_size && test 0x$image_size -le 0x$part_size && mmc read $loadaddr $part_addr $image_size
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boot_system=part start mmc 0 kernel part_addr && part size mmc 0 kernel part_size && run mmc_read_kernel && bootm
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bootcmd=run boot_system
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filesize_to_blk=setexpr cnt $filesize + 0x1ff && setexpr cnt $cnt / 0x200
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mmc_write_fip=part start mmc 0 fip part_addr && part size mmc 0 fip part_size && run filesize_to_blk && test 0x$cnt -le 0x$part_size && mmc erase fip && mmc write $loadaddr $part_addr $cnt
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